CN108240216A - A kind of gas-lift production plunger run time test device and method - Google Patents

A kind of gas-lift production plunger run time test device and method Download PDF

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Publication number
CN108240216A
CN108240216A CN201611224456.1A CN201611224456A CN108240216A CN 108240216 A CN108240216 A CN 108240216A CN 201611224456 A CN201611224456 A CN 201611224456A CN 108240216 A CN108240216 A CN 108240216A
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China
Prior art keywords
ring
inner tube
plunger
gas
conducting
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CN201611224456.1A
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CN108240216B (en
Inventor
张昊
王磊
孙成林
杨辉
高文明
高翔
刘宇飞
刘晓旭
强晓光
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China Petroleum and Natural Gas Co Ltd
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China Petroleum and Natural Gas Co Ltd
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    • EFIXED CONSTRUCTIONS
    • E21EARTH OR ROCK DRILLING; MINING
    • E21BEARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
    • E21B47/00Survey of boreholes or wells
    • E21B47/008Monitoring of down-hole pump systems, e.g. for the detection of "pumped-off" conditions

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  • Physics & Mathematics (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Geology (AREA)
  • Mining & Mineral Resources (AREA)
  • Geophysics (AREA)
  • Environmental & Geological Engineering (AREA)
  • Fluid Mechanics (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Geochemistry & Mineralogy (AREA)
  • Examining Or Testing Airtightness (AREA)
  • Details Of Valves (AREA)

Abstract

The invention discloses a kind of gas-lift production plunger run time test device and methods, belong to oilfield test field.The device includes the gas lift mandrel, inner tube pipe nipple, inner tube, the outer tube that sequentially connect, for blocking the lower closeouts of outer tube lower end and gas lift mandrel lower end;Gaslift valve air gate is connected with gas lift mandrel inner cavity;Plunger support upper end base puts plunger, and lower end, which is provided with down, connects electric ring, to be connected with the first conducting ring of the first flexible fastening piece lower end two for playing clearance fit in gas lift mandrel and inner tube pipe nipple junction inner cavity;The middle closeouts of outer tube upper end are blocked, are provided with air inlet connections;The upper closeouts of inner tube upper end are blocked, setting thereon and two the second conducting rings that fulgurite connection is connect on internal can slide up and down;It is connected or when the second conducting ring is with above connecing fulgurite and connecting when the first conducting ring connects electric ring under, timing electric cabinet, which receives, starts or stop timing signal, and sends out to electronic stopclock and to start timing or stop timing control instruction.

Description

A kind of gas-lift production plunger run time test device and method
Technical field
The present invention relates to oilfield test field, more particularly to a kind of gas-lift production plunger run time test device and side Method.
Background technology
After losing blowing ability with the reduction of oil well Crude Oil flowing production rate or oil well, it can be adopted by plunger lift The mode of oil improves crude oil yield, and oil well is made to maintain blowing production.Wherein, plunger can be in wellhead oil tree and oil pipe on Lower movement, when Fluid pressure and underfed in oil pipe column are with lift ram, plunger under the effect of gravity to Lower movement, the fluid (air-liquid mixture) positioned at plunger lower end flow into plunger by the gap of plunger outer rim and tube inner wall Upper end;When plunger lower end Fluid pressure increases, plunger is lifted to well head, and the fluid of upper end is pushed to the pipe on ground In line, so that oil well maintains the production of blowing.But the structure and model of plunger are varied, due to not knowing various plungers in oil Stressing conditions in pipe, therefore be not easy the plunger that selection matches with oil well, this be susceptible to plunger it is stuck in oil pipe or The situation of Plunger Lift hypovolia.It is therefore desirable to the stressing conditions progress to the plunger of different structure and type in oil pipe Analysis, in order to select the plunger to match from different oil wells, oil well blowing to be maintained to produce for a long time.
As the relevant technologies, patent document CN104343421A provides a kind of gaslift simulation experiment system, including:Housing Pipe, inner sleeve, gaslift test string and wellhead assembly, inner sleeve are set in outer tube, are formed between inner sleeve and outer tube First annular space, gaslift test string are set in inner sleeve, and the second annular is formed between gaslift test string and inner sleeve Space, first annular space are connected with the bottom of the second annular space, outer tube, inner sleeve and gaslift test string upper end with Wellhead assembly is fixed and is sealed;Liquid-supplying system, connects first annular space, and liquid medium is entered to by first annular space bottom Gaslift test string bottom;Air supply system connects the second annular space, air pressure is provided for the second annular space, so that liquid is situated between Matter ascends into what is connected at the top of the cavity of gaslift test string under gas pressure by the cavity bottom of gaslift test string Drainage pipe;Piece-rate system is connected with above-mentioned Drainage pipe, and to be collected liquid medium and carry out gas-liquid separation, this is returned out The piece-rate system other end is connected to above-mentioned underground liquid-supplying system;Test Data Acquisition System, the control unit including being located at ground And for measuring bottom pressure, temperature, the bottomhole pressure survey thermometric of pressure parameter and temperature parameter is provided for underground liquid-supplying system Device, for measuring the gaslift test string pressure measurement temperature measuring equipment of the second annular space from top to bottom pressure of each position, temperature, And the electromagnetic flowmeter for measuring the fluid flow in gaslift test string in uninstall process.
Inventor has found that the prior art has at least the following problems:
The device that the prior art provides can measure the temperature, pressure and fluid flow using plunger lift, it is impossible to logical Overtesting records the run time of plunger to analyze the force-bearing situation of plunger.
Invention content
Technical problem to be solved of the embodiment of the present invention is, provides a kind of when can be by the operation that records plunger Between analyze the run time test device of the gas-lift production plunger of the force-bearing situation of plunger and method.Specific technical solution is such as Under:
In a first aspect, an embodiment of the present invention provides a kind of gas-lift production plunger run time test device, described device Including sequentially connect from the bottom to top gas lift mandrel, inner tube pipe nipple, inner tube and be sleeved on the gas lift mandrel and Said inner tube pipe nipple is outer and forms the outer tube of annular space, and described device further includes:Lower closeouts, for blocking under the outer tube End and the gas lift mandrel lower end;Gas lift valve is arranged on the outer wall of the gas lift mandrel, gas outlet and the gas Lift the inner cavity connection of valve seating nipple;Plunger support, axially disposed to have through-hole, plunger is put in upper end for seat, and lower end, which is provided with down, to be connect Electric ring passes through the be arranged in the gas lift mandrel and said inner tube pipe nipple junction inner cavity in a manner of clearance fit One flexible fastening piece, and the first flexible fastening piece lower end be provided with for it is described under connect two first that electric ring connects and lead Electric ring;Middle closeouts block the outer tube upper end, and said inner tube pipe nipple upper end are connected with said inner tube lower end, in described The air inlet connections for connecting the annular space are provided in closeouts;Upper closeouts block the upper end of said inner tube, are provided with The inner cavity axially connected, in the upper closeouts setting it is solid there are two the second conducting ring, in the inner cavity to be provided with the second elasticity Determine part, above connect fulgurite and slided up and down in a manner of clearance fit along second flexible fastening piece, and for being led with described second Electric ring is connected;The gas outlet connector for connecting the inner cavity is provided in the upper closeouts;Timing electric cabinet, is distinguished by conducting wire It is electrically connected with two first conducting rings and two second conducting rings;Electronic stopclock passes through two conducting wires and the meter When electric cabinet be electrically connected.
When first conducting ring with it is described under connect electric ring and connect when, the timing electric cabinet, which receives, starts timing signal, Then the control instruction for starting timing is sent out to the electronic stopclock;When second conducting ring with it is described on connect fulgurite and connect When, the timing electric cabinet, which receives, stops timing signal, and the control instruction for stopping timing then being sent out to the electronic stopclock.
Specifically, preferably, the lower closeouts blocked up including outer tube bottom, lower insulating plug, outer tube box cupling;The outer tube bottom Stifled upper end is provided with blind hole in an axial direction, and the lower end of the gas lift mandrel is placed in the blind hole, and the outer tube bottom is blocked up Bottom setting there are two the first binding post;Gas lift mandrel lower end described in the lower insulating plug sealing blocking, it is described lower exhausted Edge is also set up beyond the Great Wall there are two the second binding post being electrically connected with first binding post, and two first conducting rings connect respectively Connect two conducting wires and by conducting wire respectively sequentially with two second binding posts, two first binding posts, the timing Electric cabinet is electrically connected;The outer tube box cupling is fixedly set in the upper end that the outer tube bottom blocks up and the lower end of the outer tube.
Specifically, preferably, the lower closeouts further include at least one first O shape rubber seal, for sealing Annular gap between the lower insulating plug and the gas lift mandrel.
Specifically, preferably, the plunger support includes the plunger prop head for being from top to bottom sequentially connected with and being connected and tubular Base body;First flexible fastening piece includes box cupling under locking ring, dead ring pressure ring, dead ring, lower spring, inner tube;The card The inner wall for determining the outer wall and said inner tube pipe nipple of ring offsets, and lower end and the upper end of the gas lift mandrel offset;It is described Dead ring pressure ring is set in the locking ring;The dead ring is set in inside the locking ring lower end, and upper end and institute The lower end for stating dead ring pressure ring offsets, meanwhile, the tubular base body passes through the dead ring in a manner of clearance fit;Under described Electric ring set is connect on the tubular base body and stretches out the lower end of the dead ring, two first conducting rings are arranged on described The lower end of dead ring;The lower spring pocket on the tubular base body in compressive state, and positioned at the plunger prop head and Between the dead ring;Box cupling is fixedly set in the upper end of the gas lift mandrel and said inner tube pipe nipple under said inner tube Lower end.
Specifically, preferably, the middle closeouts include interior pipe hanger, outer tube joint, multiple banking pins;In described Pipe hanger is in cylindrical structure, and the outer diameter of upper and lower ends is less than the outer diameter at middle part, makes to form first annular step on outer wall, institute It states interior pipe hanger and is fixedly set in the lower end of said inner tube and the upper end of said inner tube pipe nipple;The outer tube joint inner wall it is upper The internal diameter at lower both ends is more than the internal diameter at middle part, makes to form the second ring-shaped step on inner wall, the lower end fixing sleeve of the outer tube joint Mounted in the outer tube upper end, and the outer tube upper end offsets with the second ring-shaped step bottom;The first annular step Outside is contacted with the second ring-shaped step inner seal, and the lower end of second ring-shaped step and said inner tube hanger Lower end forms the annular gap connected with the inner cavity of the outer tube, and the air inlet connections are arranged on second ring-shaped step On, and connected with the annular gap;By using multiple banking pins by said inner tube hanger and the outer tube joint It is fixed.
Specifically, preferably, the upper closeouts include inner tube top connection, upper insulating plug and are sleeved in described The gland of pipe top connection upper end;The inner cavity of said inner tube top connection is sequentially from top to bottom the first diameter cylindrical cavity, central diameter cylinder Inner cavity, path cylindrical cavity, the second major diameter cylindrical cavity;The upper insulating plug includes being arranged on the first major diameter cylindrical cavity The interior big cylindrical end of insulation and the insulation roundlet styletable for being arranged on the central diameter cylindrical cavity top;Second flexible fastening piece Including above connecing fulgurite dead ring, upper spring;The top that fulgurite dead ring is connect on described is fixed on the central diameter cylindrical cavity bottom, Lower seal is set in the path cylindrical cavity;Fulgurite is connect on described to include axially slidably being arranged on the central diameter circle Big cylindrical end in column inner cavity and the roundlet styletable being axially slidably arranged in the path cylindrical cavity, and institute The lower end for stating roundlet styletable is located in the second major diameter cylindrical cavity;The upper end of the upper spring is sleeved on the insulation roundlet On styletable, upper end offsets with the big cylindrical end bottom of insulation, and lower end offsets with the big cylindrical end bottom;The insulation great circle The setting of styletable lower end there are two second conducting ring, for it is described on connect the big cylindrical end upper end of fulgurite and connect;Institute Gas outlet connector is stated to connect with the central diameter cylindrical cavity.
Specifically, preferably, described device further includes two third wiring being arranged on the big cylindrical end of insulation Column and two the second binding post glands for fixing two third binding posts respectively;Two second conducting rings connect respectively Two third binding posts simultaneously pass through conducting wire and are electrically connected with the timing electric cabinet.
Specifically, preferably, described device further includes box cupling and pressure gauge in inner tube, box cupling is with screw thread in said inner tube The mode of connection is sleeved on the upper end of said inner tube and the lower end of said inner tube top connection, is set on the side wall of box cupling in said inner tube The internal thread hole being connected with the inner cavity of said inner tube is equipped with, the nipple of the pressure gauge connects with the internal thread hole screw thread It connects.
Specifically, preferably, the timing electric cabinet includes the first intermediate relay, the second intermediate relay, first The time relay, second time relay, first resistor, second resistance, 3rd resistor, power supply.
One first conducting ring is connect by conducting wire with one end of the power supply, another described first conducting ring leads to The coil of conducting wire and first intermediate relay, the second resistance, the first resistor is crossed to connect, and the first time The coils from parallel connection of coils of the coil of relay and first intermediate relay;One second conducting ring passes through conducting wire and the electricity One end connection in source, another described second conducting ring pass through the coil of conducting wire and second intermediate relay, the third Resistance is connected, then with first conducting ring, the coil of first intermediate relay, the second resistance connected simultaneously Connection, and the coils from parallel connection of coils of the coil of second time relay and second intermediate relay;The first intermediate relay The normally opened contact of device is connected with the normally-closed contact of the first time relay, then second intermediate relay with connecting Normally opened contact, the normally-closed contact of second time relay it is in parallel, then pass through the inside of conducting wire and the electronic stopclock Circuit is electrically connected.
Second aspect, the embodiment of the present invention additionally provide the method for above device test plunger run time, the method Including:
Gas is entered the annular space between outer tube and inner tube pipe nipple, gas lift mandrel by air inlet connections, with gas The increase of pressure, gas lift valve are opened, and gas enters in the gas lift mandrel, with the increasing of air pressure in the gas lift mandrel Greatly, gas pushes up the plunger in the plunger support by the through-hole of plunger support and moves upwards, and the plunger leaves the plunger After support, restore since elasticity occurs for lower spring, the plunger support pushed to move upwards, the plunger entrust it is dynamic under meet electric ring and two A first conducting ring is connected, and timing electric cabinet, which receives, to be started timing signal and handle, and then sends out beginning timing to electronic stopclock Control instruction, the electronic stopclock starts timing.
The plunger is moved upwards and is offseted at supreme closeouts with above connecing fulgurite, it is described on connect fulgurite and move upwards and with two A second conducting ring is connected, and the timing electric cabinet, which receives, to be stopped timing signal and handle, and is then sent out to the electronic stopclock Stop the control instruction of timing, the electronic stopclock stops timing.
At the same time, sequentially entered in described by the gas lift mandrel into the gas in the gas lift mandrel Pipe pipe nipple, inner tube, and exported by gas outlet connector.
The advantageous effect that technical solution provided in an embodiment of the present invention is brought is:
Gas-lift production plunger run time test device provided in an embodiment of the present invention, by set gas lift mandrel, Inner tube pipe nipple, inner tube, outer tube, gas lift valve, lower closeouts, plunger support, middle closeouts, upper closeouts, timing electric cabinet, electronics second The components such as table are provided for the motion conditions of simulation different structure or the plunger of model under the conditions of different gas injection pressures in oil pipe The basic condition of laboratory test.By using the gas-lift production plunger run time test device, column can be accurately acquired Fill in from plunger delivery row to inner tube upper end time, and then according to the range ability of the time and plunger can analyze plunger by Power situation, in order to analyze force-bearing situation of the plunger of different structure and model in oil pipe, convenient for later stage selection and oil well phase Matched plunger is used for gas-lift production, to improve crude oil production efficiency and extend the blowing period of oil well production.
Description of the drawings
To describe the technical solutions in the embodiments of the present invention more clearly, make required in being described below to embodiment Attached drawing is briefly described, it should be apparent that, the accompanying drawings in the following description is only some embodiments of the present invention, for For those of ordinary skill in the art, without creative efforts, other are can also be obtained according to these attached drawings Attached drawing.
Fig. 1 is the sectional view of gas-lift production plunger run time test device provided in an embodiment of the present invention;
Fig. 2-1 is the section of the partial structurtes of gas-lift production plunger run time test device provided in an embodiment of the present invention Figure;
Fig. 2-2 is the section of the partial structurtes of gas-lift production plunger run time test device provided in an embodiment of the present invention Figure;
Fig. 2-3 is the section of the partial structurtes of gas-lift production plunger run time test device provided in an embodiment of the present invention Figure;
Fig. 3 is the circuit diagram between timing electric cabinet and electronic stopclock provided in an embodiment of the present invention.
Wherein, reference numeral represents respectively:
1 gas lift mandrel,
2 inner tube pipe nipples,
3 inner tubes,
4 outer tubes,
5 times closeouts,
501 outer tube bottom are blocked up,
502 times insulating plugs,
503 outer tube box cuplings,
6 gas lift valves,
7 plunger supports,
8 plungers,
Electric ring is connect under 9,
10 first flexible fastening pieces,
1001 locking rings,
1002 dead ring pressure rings,
1003 dead rings,
1004 times springs,
Box cupling under 1005 inner tubes,
11 first conducting rings,
Closeouts in 12,
Pipe hanger in 1201,
1202 outer tube joints,
1203 banking pins,
13 air inlet connections,
Closeouts on 14,
1401 inner tube top connections,
Insulating plug on 1402,
1403 glands,
15 second conducting rings,
16 second flexible fastening pieces,
Fulgurite dead ring is connect on 1601,
Spring on 1602,
Fulgurite is connect on 17,
18 gas outlet connectors,
19 timing electric cabinets,
20 electronic stopclocks,
21 first binding posts,
22 second binding posts,
23 first binding post glands,
24 third binding posts,
25 second binding post glands,
Box cupling in 26 inner tubes,
27 pressure gauges,
28 nuts,
The coil of the first intermediate relays of KA1M,
The normally opened contact of the first intermediate relays of KA1D,
The coil of the second intermediate relays of KA2M,
The normally opened contact of the second intermediate relays of KA2D,
The coil of KT1M first time relays,
The normally-closed contact of KT1D first time relays,
The coil of second time relays of KT2M,
The normally-closed contact of second time relays of KT2D,
R1 first resistors,
R2 second resistances,
R3 3rd resistors,
E power supplys.
Specific embodiment
Unless otherwise defined, all technical terms used in the embodiment of the present invention are respectively provided with usual with those skilled in the art The identical meaning understood.To make the object, technical solutions and advantages of the present invention clearer, below in conjunction with attached drawing to this hair Bright embodiment is described in further detail.
The present invention provides a kind of gas-lift production plunger run time test device, as shown in Figure 1, the device include by Under the supreme gas lift mandrel 1 sequentially connected, inner tube pipe nipple 2, inner tube 3 and be sleeved on gas lift mandrel 1 and inner tube is short Section 2 it is outer and formed the outer tubes 4 of annular space, lower closeouts 5, gas lift valve 6, plunger support 7, under connect electric ring 9, the first flexible fastening piece 10th, the first conducting ring 11, middle closeouts 12, upper closeouts 14, timing electric cabinet 19, electronic stopclock 20.Wherein, lower closeouts 5 For blocking 1 lower end of 4 lower end of outer tube and gas lift mandrel;Gas lift valve 6 is arranged on the outer wall of gas lift mandrel 1, outlet Mouth is connected with the inner cavity of gas lift mandrel 1;Plunger support 7 is axially disposed through-hole, and plunger 8 is put in upper end for seat, and lower end is set It is equipped with down and connects electric ring 9, passed through and be arranged in 2 junction inner cavity of gas lift mandrel 1 and inner tube pipe nipple in a manner of clearance fit The first flexible fastening piece 10, and 10 lower end of the first flexible fastening piece is provided with for connect that electric ring 9 is connected under two first Conducting ring 11;Middle closeouts 12 block 4 upper end of outer tube, and 2 upper end of inner tube pipe nipple are connected with 3 lower end of inner tube, middle closeouts 12 On be provided with connection annular space air inlet connections 13;Upper closeouts 14 block the upper end of inner tube 3, are provided with what is axially connected Inner cavity, in upper closeouts 14 setting be provided with the second flexible fastening piece 16 in inner cavity, above connect fulgurite there are two the second conducting ring 15 17 are slided up and down along the second flexible fastening piece 16 in a manner of clearance fit, and for being connected with the second conducting ring 15;Upper closure The gas outlet connector 18 of connection inner cavity is provided on part 14;Timing electric cabinet 19 by conducting wire respectively with two the first conducting rings 11 It is electrically connected with two the second conducting rings 15;Electronic stopclock 20 is electrically connected by two conducting wires with timing electric cabinet 19.
When the first conducting ring 11 connects electric ring 9 under to be connected, timing electric cabinet 19, which receives, starts timing signal, then to electricity Sub- stopwatch 20 sends out the control instruction for starting timing;When the second conducting ring 15 is with above connecing fulgurite 17 and connecting, timing electric cabinet 19 It receives and stops timing signal, the control instruction for stopping timing then being sent out to electronic stopclock 20.
The operation principle with regard to gas-lift production plunger run time test device provided in an embodiment of the present invention, which is given, below retouches It states:
Pipeline on gas cylinder with air inlet connections 13 is connected, then passes the gas through air inlet connections 13 to 4 He of outer tube Input gas in the annular space of inner tube pipe nipple 2, with the increase of air pressure, gas lift valve 6 is opened, and gas enters gas lift mandrel In 1, with the increase of air pressure in gas lift mandrel 1, gas is pushed up the plunger 8 in plunger support 7 by the through-hole of plunger support 7 It moves upwards, after plunger 8 leaves plunger support 7, the lower pressure that is generated by 8 gravity of plunger acted in plunger support 7 disappears, the Under the elastic reaction of one flexible fastening piece 10, plunger support 7 is pushed to move upwards, plunger support 7 meets electric ring 9 and two first under driving Conducting ring 11 is connected, and timing electric cabinet 19, which receives, to be started timing signal and handle, and then sends out beginning timing to electronic stopclock 20 Control instruction, electronic stopclock 20 start timing.
Plunger 8 moves upwards the lower end hit at supreme closeouts 14 and connect fulgurite 17, above connects fulgurite 17 and moves upwards simultaneously It is connected with two the second conducting rings 15, timing electric cabinet 19, which receives, to be stopped timing signal and handle, and is then sent out to electronic stopclock 20 Go out to stop the control instruction of timing, electronic stopclock 20 stops timing.Then stop gas supply, plunger 8 is returned to due to gravity seat In plunger support 7, fulgurite 17 is above connect since the effect seat of gravity and the second flexible fastening piece 16 goes back to original position, with two the second conducting rings 15 disconnect.Plunger support 7 is moved downward to original position under 8 gravity of plunger, and electric ring 9 and two are connect under 7 lower end of plunger support One conducting ring 11 disconnects.At the same time, inner tube is sequentially entered by gas lift mandrel 1 into the gas in gas lift mandrel 1 Pipe nipple 2, inner tube 3, and exported by gas outlet connector 18.
Electronic stopclock 20 is made to obtain a pulse signal, timing it will be appreciated by persons skilled in the art that starting timing Start;Stopping timing making electronic stopclock 20 obtain a pulse signal, stops timing, time, that is, column between two pulse signals The time of 8 operation of plug.It should be noted that annular space is gas lift mandrel 1, inner tube pipe nipple 2 is with being sleeved on outside the two Outer tube 4 between the annular space that is formed.
Based on above-mentioned it is found that 8 run time test device of gas-lift production plunger provided in an embodiment of the present invention, passes through setting Gas lift mandrel 1, inner tube pipe nipple 2, inner tube 3, outer tube 4, gas lift valve 6, lower closeouts 5, plunger support 7, middle closeouts 12, upper envelope The components such as blocking piece 14, timing electric cabinet 19, electronic stopclock 20 are simulation different structure or the plunger 8 of model in different gas injection pressures Motion conditions under the conditions of power in oil pipe provide the basic condition of laboratory test.It is transported by using the gas-lift production plunger 8 Row time tester can accurately acquire plunger 8 and be run from plunger support 7 to the time of 3 upper end of inner tube, and then during according to this Between and the range ability of plunger 8 can analyze the force-bearing situation of plunger 8, in order to which the plunger 8 for obtaining different structure and model exists Force-bearing situation under the conditions of different gas injection pressures in oil pipe is used for gaslift convenient for later stage selection and the plunger 8 that oil well matches It recovers the oil, to improve crude oil production efficiency and extend the blowing period of oil well production.
Specifically, as shown in attached drawing 2-1, lower closeouts 5 block up 501, lower insulating plug 502, outer tube box cupling including outer tube bottom 503;The upper end that outer tube bottom blocks up 501 is provided with blind hole in an axial direction, and the lower end of gas lift mandrel 1 is placed in blind hole, outer tube bottom There are two the first binding posts 21 for stifled 501 bottom setting;Lower 502 sealing blocking gas lift mandrel of insulating plug, 1 lower end, lower insulation It is also set up on plug 502 there are two the second binding post 22 being electrically connected with the first binding post 21, two the first conducting rings 11 connect respectively Connect two conducting wires and by conducting wire respectively sequentially with two the second binding posts 22, two the first binding posts 21, timing electric cabinets 19 Electrical connection;Outer tube box cupling 503 is fixedly set in outer tube bottom and blocks up 501 upper end and the lower end of outer tube 4.Lower closeouts 5 are arranged such, Convenient for blocking 1 lower end of 4 lower end of outer tube and gas lift mandrel, the first binding post 21 and the second binding post 22 are set, convenient for connection The conducting wire of two the first conducting rings 11 is by the timing electric cabinet 19 outside the inner cavity connection of gas lift mandrel 1.
Specifically, outer tube bottom block up on 501 side wall it is positioned inwardly in a radial direction have be connected to the bottom upper end that outer tube bottom blocks up 501 Two right angle pylones, two the first binding posts 21 are fixed in two right angle pylones;There are two perpendicular for setting on lower insulating plug 502 Clear opening, two the second binding posts 22 seal respectively to be fixed in two vertical through-holes.Right angle pylone and vertical through-hole are set just The connection of conducting wire between two the first binding posts 21 and two the second binding posts 22, and right angle pylone and vertical through-hole are easily set It puts.Further, device provided in an embodiment of the present invention, which further includes, is separately positioned in two right angle pylones and outer tube bottom is blocked up 501 outside, across conducting wire and by two 21 fixed two the first binding post glands 23 of the first binding post, to prevent two One binding post 21 is stretched out from two right angle pylones.Wherein, two the first binding post glands 23 include big cylindrical end and small column End, the side wall that big cylindrical end blocks up 501 with outer tube bottom offset, and roundlet styletable is penetrated in right angle pylone, and connect with right angle pylone screw thread It connects.
In more detail, outer tube bottom blocks up 501 blind hole and includes connected big stepped hole and small stair blind hole, big stepped hole and Form ring-shaped step between small stair blind hole, the lower end of gas lift mandrel 1 be placed in big stepped hole and with big stepped hole bottom Face offsets, and the structure of blind hole is arranged such, convenient for passing through between two the first binding posts 21 of connection and two the second binding posts 22 Conducting wire is electrically connected.
Further, lower closeouts 5 further include at least one first O shape rubber seal, for sealing lower insulating plug 502 With the annular gap between gas lift mandrel 1, to prevent gas by the ring between lower insulating plug 502 and gas lift mandrel 1 Shape gap leaks out.Wherein, multi-turn groove, multiple first O shape rubber seal are provided on the outer wall of lower insulating plug 502 circumferentially It is respectively placed in multi-turn groove, to seal lower annular gap between insulating plug 502 and gas lift mandrel 1.
Wherein, outer tube box cupling 503 is fixedly set in outer tube bottom and blocks up there are many modes of 501 upper end and the lower end of outer tube 4, Such as the mode being connected through a screw thread is set with, and is set with by the way of clamping, in order to by outer tube bottom block up 501 and outer tube 4 connect It connects.Preferably, the mode that outer tube box cupling 503 is connected through a screw thread is sleeved under the upper end and outer tube 4 that outer tube bottom blocks up 501 End, the mode of threaded connection is easily set, easy to disassemble.When mounted, outer tube bottom can be first installed and block up 501, and by external pipe connection Hoop 503 is sleeved on after outer tube bottom blocked up on 501, and finally outer tube 4 is set in outer tube box cupling 503.
Specifically, in embodiments of the present invention, the central axes of the central axes of 1 inner cavity of gas lift mandrel and its outer profile are not Point-blank, this makes the wall thickness of gas lift mandrel 1 different, is set in the relatively thick side of 1 wall thickness of gas lift mandrel Internal thread hole is equipped with, the inclined hole of 1 inner cavity of connection gas lift mandrel, gas lift valve 6 and internal thread are provided with above internal thread hole Hole is threadedly coupled, and enters the inner cavity of gas lift mandrel 1, and then push plunger in order to enter the gas of gas lift valve 6 by inclined hole Plunger 8 in support 7 moves upwards, and the mode being threadedly coupled easily is set, and is conveniently replaceable different gas lift valves 6.Wherein, gas It lifts valve 6 and includes valve seat, spool, air admission hole, venthole, spool lower part is connect with bellows, and spool blocks venthole, air admission hole In annular space between outer tube 4 and gas lift mandrel 1, after gas enters annular space by air inlet connections 13, with The increase of air pressure, gas is entered by air admission hole in gas lift valve 6, and the bellows in gas lift valve 6 is pushed to move downward, spool with It bellows to move downward, and then opens the venthole of gas lift valve 6, gas enters gas lift valve by the gas outlet of gas lift valve 6 and works The inner cavity of cylinder 1.
Specifically, in embodiments of the present invention, as shown in attached drawing 2-2, plunger support 7 includes from top to bottom being sequentially connected with and leading Logical plunger prop head and tubular base body;First flexible fastening piece 10 includes locking ring 1001, dead ring pressure ring 1002, dead ring 1003rd, box cupling 1005 under lower spring 1004, inner tube;The inner wall of the outer wall and inner tube pipe nipple 2 of locking ring 1001 offsets, and lower end It offsets with the upper end of gas lift mandrel 1;Dead ring pressure ring 1002 is set in locking ring 1001;Dead ring 1003 is set in card Determine inside 1001 lower end of ring, and upper end and the lower end of dead ring pressure ring 1002 offset, meanwhile, tubular base body is with clearance fit Mode passes through dead ring 1003;Under connect electric ring 9 and be sleeved on tubular base body and stretch out the lower end of dead ring 1003, two first are led Electric ring 11 is arranged on the lower end of dead ring 1003;Lower spring 1004 is sleeved on tubular base body in compressive state, and positioned at column Support 7 is filled between dead ring 1003;Box cupling 1005 is fixedly set in the upper end of gas lift mandrel 1 and inner tube pipe nipple under inner tube 2 lower end.Plunger support 7 and the first flexible fastening piece 10 is arranged such, cylinder is entered by the through-hole of gas lift mandrel 1 convenient for gas When at shape base body and plunger prop head, plunger 8 is pushed to move upwards, due to acting on generating because of 8 gravity of plunger in plunger support 7 Lower pressure disappears, and elastic recovery occurs for lower spring 1004, and plunger support 7 is pushed to move upwards, is arranged under tubular base body lower end Electric ring 9 is connect as plunger support 7 also moves upwards, to be connected with two the first conducting rings 11 for being arranged on 1003 lower end of dead ring, And when plunger 8 is fallen back to again in plunger support 7, under the gravity compressed of plunger 8, spring 1004 moves down plunger support, under connect electric ring 9 disconnect with two the first conducting rings 11.And being sleeved on the lower spring 1004 on tubular base body can give plunger support 7 cushioning effect, When avoiding the plunger 8 from falling in plunger support 7, collide and damage with plunger support 7.Gas can enter inner tube by the through-hole of plunger support 7 In pipe nipple 2 and inner tube 3, discharged through 1401 inner cavity of inner tube top connection with gas outlet connector 18.
In more detail, the tubular base body of plunger support 7 include from top to bottom sequentially connect big cylinder, middle cylinder, Small cylinder, the lower end of middle cylinder are placed on the inner cavity of dead ring 1003 in a manner of clearance fit, and small column is located at gaslift In the inner cavity of valve seating nipple 1, under connect electric ring 9 and be sleeved on small cylinder, and under connect the upper surface of electric ring 9 and lower face is set respectively The nut 28 that at least one mode being connected through a screw thread is sleeved on small cylinder is equipped with, electric ring 9 will be connect down and fastened.So The tubular base body of plunger support 7 is set, convenient under the effect of the elastic restoring force of lower spring 1004, the small cylinder of plunger support 7 to Upper movement so that under connect electric ring 9 and two the first conducting rings 11 of 1003 lower end of dead ring are connected, when plunger 8 drops back into plunger support 7 When upper, the small cylinder of plunger support 7 moves down again, under connect electric ring 9 and disconnected with two the first conducting rings 11.
Specifically, in embodiments of the present invention, as shown in Figure 1, middle closeouts 12 include interior pipe hanger 1201, outer tube Connector 1202, multiple banking pins 1203;Interior pipe hanger 1201 is in cylindrical structure, and the outer diameter of upper and lower ends is less than the outer of middle part Diameter makes to form first annular step on outer wall, and interior pipe hanger 1201 is fixedly set in the lower end of inner tube 3 and inner tube pipe nipple 2 Upper end;The internal diameter of the upper and lower ends of 1202 inner wall of outer tube joint is more than the internal diameter at middle part, makes to form the second ring-shaped step on inner wall, The lower end of outer tube joint 1202 is fixedly set in 4 upper end of outer tube, and 4 upper end of outer tube offsets with the second ring-shaped step bottom;First The outside of ring-shaped step is contacted with the second ring-shaped step inner seal, and the lower end of the second ring-shaped step and interior pipe hanger 1201 lower ends form the annular gap connected with the inner cavity of outer tube 4, and air inlet connections 13 are arranged on the second ring-shaped step, and with Annular gap connects;Interior pipe hanger 1201 is fixed with outer tube joint 1202 by using multiple banking pins 1203.So set Middle closeouts 12 are put to connect with the upper end of inner tube pipe nipple 2, while block 4 upper end of outer tube and inner tube pipe nipple 2 convenient for the lower end of inner tube 3 Between annular space.Setting banking pin 1203 makes outer tube joint 1202 be fixedly set on interior pipe hanger 1201.Further Ground, middle closeouts 12 further include multiple the 2nd O shape rubber seals being arranged between first annular step and the second ring-shaped step Circle, wherein, the outer wall upper edge of first annular step is circumferentially provided with multiple and the 2nd matched groove of O shape rubber seal, 2nd O shapes rubber seal is located between groove and the inside of the second ring-shaped step, with seal the outside of first annular step with Annular gap between the inside of second ring-shaped step.Specifically, device provided in an embodiment of the present invention further include be arranged on into Gasket between gas port connector 13 and outer tube joint 1202, to seal the ring between air inlet connections 13 and outer tube joint 1202 Shape gap, prevents gas leakage.
Specifically, interior pipe hanger 1201 is fixedly set in the lower end of inner tube 3 and the upper end of inner tube pipe nipple 2, outer tube joint 1202 lower end is fixedly set in the upper end of outer tube 4, wherein, there are many modes of " fixed suit ", such as be threadedly coupled Mode is set with, and is set in a manner of clamping, is preferably set with threadably, and the mode of threaded connection is easily set, just In dismounting.
Specifically, in embodiments of the present invention, as illustrated in figs. 2-3, upper closeouts 14 include inner tube top connection 1401, on Insulating plug 1402 and the gland 1403 for being sleeved on 1401 upper end of inner tube top connection;The inner cavity of inner tube top connection 1401 by up to Under sequentially for the first major diameter cylindrical cavity, central diameter cylindrical cavity, path cylindrical cavity, the second major diameter cylindrical cavity;Upper insulating plug 1402 include being arranged on the big cylindrical end of insulation in the first major diameter cylindrical cavity and the insulation for being arranged on central diameter cylindrical cavity top Roundlet styletable;Second flexible fastening piece 16 includes above connecing fulgurite dead ring 1601, upper spring 1602;On connect fulgurite dead ring 1601 Top be fixed on central diameter cylindrical cavity bottom, lower seal is set in path cylindrical cavity;On connect fulgurite 17 include can axis It is arranged on to the big cylindrical end being slidably arranged in central diameter cylindrical cavity and axially slidably in path cylindrical cavity Roundlet styletable, and the lower end of roundlet styletable is located in the second major diameter cylindrical cavity;The upper end of upper spring 1602 is sleeved on insulation On roundlet styletable, upper end offsets with big cylindrical end bottom of insulating, and lower end offsets with above connecing the big cylindrical end endoporus bottom surface of fulgurite;Absolutely The big cylindrical end lower end setting of edge is there are two the second conducting ring 15, for being connected with the upper end for above connecing 17 big cylindrical end of fulgurite;Outlet Mouth connector 18 is connected with central diameter cylindrical cavity.When connecing the roundlet styletable of fulgurite 17 in the shock of plunger 8, above connect fulgurite 17 and transport upwards It is dynamic, and connected with two the second conducting rings 15 of the big cylindrical end lower end of insulation of upper insulating plug 1402, and work as and stop to the present apparatus During gas supply, plunger 8 moves downward, and above connects fulgurite 17 since the elastic restoring force of gravity and upper spring 1602 acts on, moves downward, On connect fulgurite 17 and disconnected with two the second conducting rings 15, the inner cavity that gas connects fulgurite 17 from above is exported to central diameter cylindrical cavity, And it is exported by gas outlet connector 18.Wherein, the top outer diameter for above connecing fulgurite dead ring 1601 is more than lower outer diameter, in order to fixation In central diameter cylindrical cavity bottom, lower seal is set in path cylindrical cavity, can avoid connecing fulgurite 17 and inner tube top connection It is conductive between 1401.Wherein, at least one venthole can be set on the side wall of the big cylindrical end of fulgurite 17 by above connecing, in order to gas Body connects fulgurite 17 from above and inputs in the annular space connect between fulgurite 17 and inner tube top connection 1401, and then by gas outlet connector 18 outputs.Setting gas outlet connector 18 does not build the pressure when being moved upwards convenient for plunger 8, fluent motion.It is provided in an embodiment of the present invention Device further includes the gasket being arranged between gas outlet connector 18 and inner tube top connection 1401, with seal air inlet connections 13 with Connection screw thread gap between inner tube top connection 1401, prevents gas leakage.
Specifically, as illustrated in figs. 2-3, device provided in an embodiment of the present invention, which further includes, is arranged on the big cylindrical end of insulation Two third binding posts 24 and fix two the second binding post glands 25 of two third binding posts 24 respectively;Two second are led Electric ring 15 connects two third binding posts 24 and passes through conducting wire and is electrically connected with timing electric cabinet 19 respectively.Third binding post is set 24, convenient for being connect with the second conducting ring 15, then third binding post 24 is electrically connected with timing electric cabinet 19 by conducting wire, In, two third binding posts 24 are welded to connect respectively with two the second conducting rings 15.Two the second binding post glands 25 are set, with Third binding post 24 is fixed in upper insulating plug 1402, to prevent third binding post 24 from exposing out of upper insulating plug 1402, In, two the second binding post glands 25 include big cylindrical end and roundlet styletable, big cylindrical end and the big cylindrical end of upper insulating plug Upper end offsets, and roundlet styletable penetrates the through-hole set on the big cylindrical end of insulating plug and compresses third binding post 24.
Specifically, as shown in Figure 1, device provided in an embodiment of the present invention further includes box cupling 26 and pressure gauge in inner tube 27, box cupling 26 is sleeved on the upper end of inner tube 3 and the lower end of inner tube top connection 1401 threadably in inner tube, in inner tube The internal thread hole being connected with the inner cavity of inner tube 3, the nipple and internal thread of pressure gauge 27 are provided on the side wall of box cupling 26 Hole is threadedly coupled.Set box cupling 26 in inner tube that convenient for the upper end of connection inner tube 3 and the lower end of inner tube top connection 1401, pressure is set Table 27 convenient for measuring the pressure of gas in inner tube pipe nipple 2 and inner tube 3, in order to the later stage according to the run time of plunger 8 measured, Distance, gas pressure, come the frictional resistance for obtaining the thrust of gas and plunger 8 is born.
Specifically, in embodiments of the present invention, as shown in Figure 3, timing electric cabinet 19 includes the first intermediate relay, the Two intermediate relays, first time relay, second time relay, first resistor R1, second resistance R2,3rd resistor R3, Power supply E;One the first conducting ring 11 is connect by conducting wire with one end of power supply E, another first conducting ring 11 by conducting wire with The coil KA1M of first intermediate relay, second resistance R2, first resistor R1 series connection, and the coil KT1M of first time relay It is in parallel with the coil KA1M of the first intermediate relay;One the second conducting ring 15 is connect by conducting wire with one end of power supply E, another A second conducting ring 15 connected by conducting wire with coil KA2M, the 3rd resistor R3 of the second intermediate relay, then with connecting First conducting ring 11, the coil KA1M of the first intermediate relay, second resistance R2 are in parallel, and the coil of second time relay KT2M is in parallel with the coil KA2M of the second intermediate relay;The normally opened contact KA1D of first intermediate relay and first time relay The normally-closed contact KT1D of device connects, then the normally opened contact KA2D of the second intermediate relay, second time relay with connecting Normally-closed contact KT2D it is in parallel, be then electrically connected by conducting wire with 20 internal circuit of electronic stopclock.
It should be noted that the normally-closed contact of the normally opened contact KA1D of the first intermediate relay, first time relay KT1D is electrically connected by conducting wire with the time switch of electronic stopclock 20;When the normally opened contact KA2D of the second intermediate relay, second Between the normally-closed contact KT2D of relay be electrically connected by conducting wire with the time switch of electronic stopclock 20, in order to control electronic stopclock 20 beginning timing stops timing.
When two the first conducting rings 11 connect electric ring 9 under to be connected, coil KA1M that electric current passes through the first intermediate relay With the coil KT1M of first time relay, due to the effect of electromagnetic force, the normally opened contact KA1D of the first intermediate relay is closed, Electric current is by the normally-closed contact KT1D of first time relay, the normally opened contact KA1D of the first intermediate relay at this time, and with electricity Sub- 20 time switch of stopwatch is connected for the first time, and then due to the effect of electromagnetic force, the normally-closed contact KT1D of first time relay exists It is disconnected after predetermined time, no current connects in 20 relevant control circuit of electronic stopclock, and electronic stopclock 20 obtains a beginning at this time The pulse signal of timing.When two the second conducting rings 15 are connected with above connecing fulgurite 17, electric current passes through the second intermediate relay The coil KT2M of coil KA2M and second time relay, due to the effect of electromagnetic force, the normally opened contact of the second intermediate relay KA2D is closed, and electric current passes through the normally-closed contact KT2D of second time relay, the normally opened contact of the second intermediate relay at this time KA2D, and being connected again with 20 time switch of electronic stopclock, then due to the effect of electromagnetic force, second time relay it is normally closed Contact KT2D is disconnected after the predetermined time, and no current connects in 20 relevant control circuit of electronic stopclock, and electronic stopclock 20 obtains at this time Obtain the pulse signal of a stopping timing.Time between two pulse signals is exactly that plunger 8 is run from plunger support 7 to inner tube The time of second major diameter cylindrical cavity roof of top connection 1401.
Wherein, time switch is connected for the first time can be understood as 20 timing button of electronic stopclock and presses for the first time, make electronic stopclock 20 generate a pulses, and time switch is connected again can be understood as 20 timing button of electronic stopclock and press again, make the electronics second Table 20 generates a pulse, the run time of time, as plunger 8 between two pulses.
It should be noted that the normally-closed contact KT1D of first time relay and the normally-closed contact of second time relay KT2D is delay normally-closed contact, and when coil is not powered on stream, normally-closed contact is in the state being closed, after coil is passed through electric current, There is electric current to pass through in normally-closed contact, then disconnected after delay predetermined time, with disconnecting circuit.First intermediate relay it is normally opened The normally opened contact KA2D of contact KA1D and the second intermediate relay is off, when being not powered on stream in the work of electromagnetic force After lower closure, corresponding circuit is connected.Wherein, first time relay, second time relay, the first intermediate relay, Second intermediate relay is relay commonly used in this field, needs connection relation to be protected to protrude the present invention, not There is the connection relation by the contact of corresponding relay well known in the art and coil to be shown with lines.
Second aspect, the embodiment of the present invention additionally provide the method for above device test plunger run time, this method packet It includes:
Gas is entered the annular space between outer tube 4 and inner tube pipe nipple 2, gas lift mandrel 1 by air inlet connections 13, with The increase of air pressure, gas lift valve 6 is opened, and gas enters in gas lift mandrel 1, with the increasing of air pressure in gas lift mandrel 1 Greatly, the plunger 8 that gas is pushed up by the through-hole of plunger support 7 in plunger support 7 moves upwards, after plunger 8 leaves plunger support 7, by Elastic recovery occurs in lower spring 1004, plunger support 7 is pushed to move upwards, plunger support 7 connects electric ring 9 under driving and led with two first Electric ring 11 is connected, and timing electric cabinet 19, which receives, to be started timing signal and handle, and is then sent out to electronic stopclock 20 and is started timing Control instruction, electronic stopclock 20 start timing.Plunger 8 is moved upwards and is offseted at supreme closeouts 14 with above connecing fulgurite 17, is above connect Fulgurite 17 is moved upwards and is connected with two the second conducting rings 15, and timing electric cabinet 19, which receives, to be stopped timing signal and handle, so Backward electronic stopclock 20 sends out the control instruction for stopping timing, and electronic stopclock 20, which starts, stops timing.At the same time, into gaslift Gas in valve seating nipple 1 sequentially enters inner tube pipe nipple 2, inner tube 3, and exported by gas outlet connector 18 by gas lift mandrel 1.
The second major diameter that plunger 8 moves up to inner tube top connection 1401 from plunger support 7 can be obtained by the above method The time of cylindrical cavity roof then in conjunction with the range ability of plunger 8, can analyze the stressing conditions in the process of running of plunger 8, And then the different structure being adapted with the oil pipe of corresponding oil well or the plunger 8 of model are chosen, for gas-lift production, improve Gas-lift production efficiency simultaneously maintains the blowing of oil well to produce.
Then, by stopping supplying into the present apparatus, plunger 8 above connects fulgurite since gravity seat is returned in plunger support 7 17, since the spring return of its own gravity and upper spring 1602 effect seat goes back to original position, disconnect with two the second conducting rings 15.Meanwhile Spring 1004 makes its contraction under the gravity compressed of plunger 8, and plunger support 7 connects electric ring 9 under and moves down, with two the first conducting rings 11 It disconnects.At this point, the normally opened or normally-closed contact of all intermediate relays, the time relay restores its reset condition.
The plunger 8 obtained according to the above method moves up to the 4th cylinder of inner tube top connection 1401 from plunger support 7 The time of inner cavity roof, and coordinate the range ability of plunger 8, the thrust gas of plunger 8, frictional resistance can be obtained, and then choose The plunger 8 being adapted with the oil pipe of specified oil well.Wherein, the thrust gas of plunger 8 and the calculation formula of frictional resistance are as follows:
Wherein, F is thrust gas, unit N;Outer diameters of the d for plunger 8, unit m;P is in inner tube 3 and inner tube pipe nipple 2 The reading of the pressure of gas, i.e. pressure gauge 27, unit Pa;Frictional resistance of the f suffered by plunger 8, unit N;M is plunger 8 Quality, unit kg;G is acceleration of gravity, unit m/s2;Range abilities of the s for plunger 8, unit m;T is plunger 8 Run time, unit s.
The foregoing is merely presently preferred embodiments of the present invention, the protection domain being not intended to limit the invention, all in this hair Within bright spirit and principle, any modification, equivalent replacement, improvement and so on should be included in protection scope of the present invention Within.

Claims (10)

1. a kind of gas-lift production plunger run time test device, described device includes the gas lift valve work sequentially connected from the bottom to top Make cylinder (1), inner tube pipe nipple (2), inner tube (3) and be sleeved on the gas lift mandrel (1) and said inner tube pipe nipple (2) outside And form the outer tube (4) of annular space, which is characterized in that described device further includes:
Lower closeouts (5), for blocking the outer tube (4) lower end and the gas lift mandrel (1) lower end;
Gas lift valve (6), is arranged on the outer wall of the gas lift mandrel (1), gas outlet and the gas lift mandrel (1) Inner cavity connects;
Plunger support (7), axially disposed to have through-hole, plunger (8) is put in upper end for seat, and lower end, which is provided with down, connects electric ring (9), with The mode of gap cooperation passes through first be arranged in the gas lift mandrel (1) and said inner tube pipe nipple (2) junction inner cavity Flexible fastening piece (10), and first flexible fastening piece (10) lower end be provided with for it is described under connect electric ring (9) connection Two the first conducting rings (11);
Middle closeouts (12), block the outer tube (4) upper end, and by said inner tube pipe nipple (2) upper end and said inner tube (3) lower end It connects, the air inlet connections (13) for connecting the annular space is provided on the middle closeouts (12);
Upper closeouts (14) block the upper end of said inner tube (3), are provided with the inner cavity axially connected, the upper closeouts (14) Upper setting is provided with the second flexible fastening piece (16) in the inner cavity, above connects fulgurite (17) edge there are two the second conducting ring (15) Second flexible fastening piece (16) is slided up and down in a manner of clearance fit, and for being connect with second conducting ring (15) It is logical;The gas outlet connector (18) for connecting the inner cavity is provided on the upper closeouts (14);
Timing electric cabinet (19), by conducting wire respectively with two first conducting rings (11) and two second conducting rings (15) it is electrically connected;
Electronic stopclock (20) is electrically connected by two conducting wires with the timing electric cabinet (19);
When first conducting ring (11) with it is described under connect electric ring (9) and connect when, the timing electric cabinet (19), which receives, to be started to count When signal, then to the electronic stopclock (20) send out start timing control instruction;
When second conducting ring (15) with it is described on connect fulgurite (17) and connect when, the timing electric cabinet (19), which receives, stops meter When signal, then to the electronic stopclock (20) send out stop timing control instruction.
2. the apparatus according to claim 1, which is characterized in that the lower closeouts (5) including outer tube bottom block up (501), under Insulating plug (502), outer tube box cupling (503);
The upper end that the outer tube bottom blocks up (501) is provided with blind hole in an axial direction, and the lower end of the gas lift mandrel (1) is placed on institute It states in blind hole, the outer tube bottom blocks up the bottom setting of (501) there are two the first binding post (21);
Gas lift mandrel (1) lower end described in lower insulating plug (502) sealing blocking is also set on the lower insulating plug (502) The second binding post (22) being electrically connected there are two putting with first binding post (21), two first conducting rings (11) are respectively Connect two conducting wires and by conducting wire respectively sequentially with two second binding posts (22), two first binding posts (21), timing electric cabinet (19) electrical connection;
The outer tube box cupling (503) is fixedly set in the outer tube bottom and blocks up the upper end of (501) and the lower end of the outer tube (4).
3. the apparatus of claim 2, which is characterized in that the lower closeouts (5) further include at least one first O shapes Rubber seal, for sealing the annular gap between the lower insulating plug (502) and the gas lift mandrel (1).
4. the apparatus according to claim 1, which is characterized in that the plunger support (7) is including being from top to bottom sequentially connected with simultaneously The plunger prop head of conducting and tubular base body;
First flexible fastening piece (10) includes locking ring (1001), dead ring pressure ring (1002), dead ring (1003), lower bullet Box cupling (1005) under spring (1004), inner tube;
The inner wall of the outer wall and said inner tube pipe nipple (2) of the locking ring (1001) offsets, and lower end and the gas lift valve work The upper end for making cylinder (1) offsets;
The dead ring pressure ring (1002) is set in the locking ring (1001);
The dead ring (1003) is set in inside locking ring (1001) lower end, and upper end and the dead ring pressure ring (1002) lower end offsets, meanwhile, the tubular base body passes through the dead ring (1003) in a manner of clearance fit;
The lower end that electric ring (9) is sleeved on the tubular base body and stretches out the dead ring (1003) is connect under described, described in two First conducting ring (11) is arranged on the lower end of the dead ring (1003);
The lower spring (1004) is sleeved on the tubular base body in compressive state, and positioned at the plunger prop head and described Between dead ring (1003);
Box cupling (1005) is fixedly set in the upper end of the gas lift mandrel (1) and said inner tube pipe nipple (2) under said inner tube Lower end.
5. the apparatus according to claim 1, which is characterized in that the middle closeouts (12) include interior pipe hanger (1201), outer tube joint (1202), multiple banking pins (1203);
For said inner tube hanger (1201) in cylindrical structure, the outer diameter of upper and lower ends is less than the outer diameter at middle part, makes shape on outer wall Into first annular step, said inner tube hanger (1201) is fixedly set in the lower end of said inner tube (3) and said inner tube pipe nipple (2) upper end;
The internal diameter of the upper and lower ends of outer tube joint (1202) inner wall is more than the internal diameter at middle part, makes to form the second annular on inner wall Step, the lower end of the outer tube joint (1202) are fixedly set in the outer tube (4) upper end, and the outer tube (4) upper end and institute The second ring-shaped step bottom is stated to offset;
The outside of the first annular step is contacted with the second ring-shaped step inner seal, and second ring-shaped step Lower end and said inner tube hanger (1201) lower end form the annular gap connected with the inner cavity of the outer tube (4), it is described into Gas port connector (13) is arranged on second ring-shaped step, and is connected with the annular gap;
It is by using multiple banking pins (1203) that said inner tube hanger (1201) and the outer tube joint (1202) is solid It is fixed.
6. the apparatus according to claim 1, which is characterized in that the upper closeouts (14) include inner tube top connection (1401), upper insulating plug (1402) and it is sleeved on the gland (1403) of said inner tube top connection (1401) upper end;
The inner cavity of said inner tube top connection (1401) is sequentially from top to bottom the first major diameter cylindrical cavity, central diameter cylindrical cavity, small Diameter cylindrical cavity, the second major diameter cylindrical cavity;
The upper insulating plug (1402) is including the big cylindrical end of insulation that is arranged in the first major diameter cylindrical cavity and is arranged on The insulation roundlet styletable on the central diameter cylindrical cavity top;
Second flexible fastening piece (16) is including above connecing fulgurite dead ring (1601), upper spring (1602);
The top that fulgurite dead ring (1601) is connect on described is fixed on the central diameter cylindrical cavity bottom, and lower seal is set in institute It states in path cylindrical cavity;
Fulgurite (17) is connect on described and includes the big cylindrical end being axially slidably arranged in the central diameter cylindrical cavity, Yi Jike The roundlet styletable being axially slidably disposed in the path cylindrical cavity, and the lower end of the roundlet styletable is located at described the In two major diameter cylindrical cavities;
The upper end of the upper spring (1602) is sleeved on the insulation roundlet styletable, upper end and the big cylindrical end bottom of insulation It offsets, lower end offsets with the big cylindrical end intracavity bottom;
The setting of the insulation big cylindrical end lower end there are two second conducting ring (15), for it is described on connect fulgurite (17) The upper end of the big cylindrical end is connected;
The gas outlet connector (18) connects with the central diameter cylindrical cavity.
7. device according to claim 6, which is characterized in that described device, which further includes, is arranged on the big cylindrical end of insulation On two third binding posts (24) and fix two the second binding post glands of two third binding posts (24) respectively (25);
Two second conducting rings (15) connect two third binding posts (24) and pass through conducting wire and the timing respectively Electric cabinet (19) is electrically connected.
8. device according to claim 6, which is characterized in that described device further includes box cupling in inner tube (26) and pressure gauge (27), box cupling (26) is sleeved on the upper end and said inner tube of said inner tube (3) and connects threadably in said inner tube The lower end of head (1401), be provided on the side wall of box cupling (26) in said inner tube be connected with the inner cavity of said inner tube (3) it is interior Threaded hole, the nipple of the pressure gauge (27) are threadedly coupled with the internal thread hole.
9. the apparatus according to claim 1, which is characterized in that the timing electric cabinet (19) includes the first intermediate relay Device, the second intermediate relay, first time relay, second time relay, first resistor (R1), second resistance (R2), Three resistance (R3), power supply (E);
One first conducting ring (11) is connect by conducting wire with one end of the power supply (E), another described first conduction Ring (11) passes through the coil (KA1M) of conducting wire and first intermediate relay, the second resistance (R2), the first resistor (R1) it connects, and the coil (KA1M) of the coil (KT1M) of the first time relay and first intermediate relay is simultaneously Connection;
One second conducting ring (15) is connect by conducting wire with one end of the power supply (E), another described second conduction Ring (15) is connected by the coil (KA2M) of conducting wire and second intermediate relay, the 3rd resistor (R3), then with string First conducting ring (11) of connection, the coil (KA1M) of first intermediate relay, the second resistance (R2) are in parallel, and The coil (KT2M) of second time relay is in parallel with the coil (KA2M) of second intermediate relay;
The normally opened contact (KA1D) of first intermediate relay is gone here and there with the normally-closed contact (KT1D) of the first time relay Connection, then with connect the normally opened contact (KA2D) of second intermediate relay, second time relay it is normally closed touch Point (KT2D) is in parallel, is then electrically connected by conducting wire with the internal circuit of the electronic stopclock (20).
10. the method for claim 1-9 any one of them device to test plunger run times, which is characterized in that the method Including:
Gas is empty into the annular between outer tube (4) and inner tube pipe nipple (2), gas lift mandrel (1) by air inlet connections (13) Between, with the increase of air pressure, gas lift valve (6) is opened, and gas enters in the gas lift mandrel (1), with the gas lift valve The increase of seating nipple (1) interior air pressure, the through-hole of gas from plunger support (7) push up plunger (8) on the plunger support (7) to Upper movement after the plunger (8) leaves the plunger support (7), restores since elasticity occurs for lower spring (1004), pushes the column Sai Tuo (7) is moved upwards, and the plunger support (7) connects electric ring (9) and connected with two the first conducting rings (11) under driving, timing is automatically controlled Case (19), which receives, to be started timing signal and handles, and the control instruction for starting timing, the electricity are then sent out to electronic stopclock (20) Sub- stopwatch (20) starts timing;
The plunger (8) moves upwards and offsets at supreme closeouts (14) with above connecing fulgurite (17), it is described on connect fulgurite (17) to Upper movement is simultaneously connected with two the second conducting rings (15), and the timing electric cabinet (19), which receives, to stop timing signal and handle, so The backward electronic stopclock (20) sends out the control instruction for stopping timing, and the electronic stopclock (20) stops timing;
At the same time, sequentially entered by the gas lift mandrel (1) into the gas in the gas lift mandrel (1) described Inner tube pipe nipple (2), inner tube (3), and exported by gas outlet connector (18).
CN201611224456.1A 2016-12-27 2016-12-27 Gas lift oil extraction plunger operation time testing device and method Active CN108240216B (en)

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Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110344818A (en) * 2019-07-18 2019-10-18 滨州学院 Plunger lift well plunger uplink stage liquid slug batch tracing method
CN113163923A (en) * 2018-09-16 2021-07-23 伊夫瑞士股份公司 Container for cosmetics and other products with limited time of use or for time-controlled product display with integrated clock, electronics and timer functions
CN113593834A (en) * 2021-06-29 2021-11-02 南通大学 Intelligent oil-immersed transformer oil supplementing method
CN114382448A (en) * 2022-01-24 2022-04-22 宝鸡文理学院 Oil and gas downhole turbine power-assisted gas lift plunger drainage and gas production device

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN200971772Y (en) * 2006-11-09 2007-11-07 西南石油大学 Relay plunger gas-life oil or gas production device
CN201269059Y (en) * 2008-10-15 2009-07-08 吐哈石油勘探开发指挥部工程技术研究院 Down-hole clamping apparatus used for plunger gas lift
CN203214016U (en) * 2013-03-11 2013-09-25 盐城市鑫源石化机械有限公司 Plunger lifting system
CN104343421A (en) * 2013-07-24 2015-02-11 深圳市弗赛特检测设备有限公司 Gas lift simulating test system
CN204175273U (en) * 2014-10-22 2015-02-25 中国石油天然气股份有限公司 Pressure break sucker rod pump integrated pipe column
CN105283630A (en) * 2013-06-26 2016-01-27 韦尔泰克有限公司 A gas lift system and a gas lift method

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN200971772Y (en) * 2006-11-09 2007-11-07 西南石油大学 Relay plunger gas-life oil or gas production device
CN201269059Y (en) * 2008-10-15 2009-07-08 吐哈石油勘探开发指挥部工程技术研究院 Down-hole clamping apparatus used for plunger gas lift
CN203214016U (en) * 2013-03-11 2013-09-25 盐城市鑫源石化机械有限公司 Plunger lifting system
CN105283630A (en) * 2013-06-26 2016-01-27 韦尔泰克有限公司 A gas lift system and a gas lift method
CN104343421A (en) * 2013-07-24 2015-02-11 深圳市弗赛特检测设备有限公司 Gas lift simulating test system
CN204175273U (en) * 2014-10-22 2015-02-25 中国石油天然气股份有限公司 Pressure break sucker rod pump integrated pipe column

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113163923A (en) * 2018-09-16 2021-07-23 伊夫瑞士股份公司 Container for cosmetics and other products with limited time of use or for time-controlled product display with integrated clock, electronics and timer functions
CN110344818A (en) * 2019-07-18 2019-10-18 滨州学院 Plunger lift well plunger uplink stage liquid slug batch tracing method
CN113593834A (en) * 2021-06-29 2021-11-02 南通大学 Intelligent oil-immersed transformer oil supplementing method
CN114382448A (en) * 2022-01-24 2022-04-22 宝鸡文理学院 Oil and gas downhole turbine power-assisted gas lift plunger drainage and gas production device

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