CN106285620B - High gas-oil ratio (HGOR) oil well gas-liquid piece-rate system - Google Patents
High gas-oil ratio (HGOR) oil well gas-liquid piece-rate system Download PDFInfo
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- CN106285620B CN106285620B CN201610996447.8A CN201610996447A CN106285620B CN 106285620 B CN106285620 B CN 106285620B CN 201610996447 A CN201610996447 A CN 201610996447A CN 106285620 B CN106285620 B CN 106285620B
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- 239000007788 liquid Substances 0.000 title claims abstract description 27
- 239000003129 oil well Substances 0.000 title claims abstract description 26
- 230000005540 biological transmission Effects 0.000 claims abstract description 44
- 239000012530 fluid Substances 0.000 claims abstract description 36
- 230000008878 coupling Effects 0.000 claims abstract description 20
- 238000010168 coupling process Methods 0.000 claims abstract description 20
- 238000005859 coupling reaction Methods 0.000 claims abstract description 20
- 239000004576 sand Substances 0.000 claims abstract description 13
- 239000013049 sediment Substances 0.000 claims abstract description 4
- 238000007789 sealing Methods 0.000 claims description 18
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 8
- 239000000446 fuel Substances 0.000 claims description 6
- 230000037361 pathway Effects 0.000 claims description 5
- 238000011010 flushing procedure Methods 0.000 abstract description 9
- 239000003921 oil Substances 0.000 description 86
- 238000000926 separation method Methods 0.000 description 6
- 238000010586 diagram Methods 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 3
- 238000005086 pumping Methods 0.000 description 3
- 239000010779 crude oil Substances 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 238000004062 sedimentation Methods 0.000 description 2
- 238000001514 detection method Methods 0.000 description 1
- 239000007789 gas Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012856 packing Methods 0.000 description 1
- 239000003208 petroleum Substances 0.000 description 1
- 238000011084 recovery Methods 0.000 description 1
- 238000005406 washing Methods 0.000 description 1
Classifications
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21B—EARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B43/00—Methods or apparatus for obtaining oil, gas, water, soluble or meltable materials or a slurry of minerals from wells
- E21B43/34—Arrangements for separating materials produced by the well
- E21B43/38—Arrangements for separating materials produced by the well in the well
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- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Geology (AREA)
- Mining & Mineral Resources (AREA)
- Physics & Mathematics (AREA)
- Environmental & Geological Engineering (AREA)
- Fluid Mechanics (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Loading And Unloading Of Fuel Tanks Or Ships (AREA)
Abstract
The present invention provides a kind of high gas-oil ratio (HGOR) oil well gas-liquid piece-rate system, including：The casing being arranged in well and setting pass sequentially through binary channels aerated fluid separator, aerated fluid transmission channel assembly and the feeding device assembly of tubing coupling connection from top to bottom in inside pipe casing, and the length of casing is equal to the distance between well head and shaft bottom；Wherein, the top of binary channels aerated fluid separator connects oil well pump, and the bottom of feeding device assembly connects sand sediment pipe.Using the present invention by improving swirl velocity, gas channel and eddy flow radius are added, downhole gas, the separative efficiency of sand, oil of high gas-oil ratio (HGOR) mechanical oil well are improved；Simultaneously by the setting of aerated fluid road ball-and-seat and the double-deck telescoping tube, play the role of preventing flushing fluid from pouring in down a chimney when well-flushing, and the purpose of packer top fluid column unloading can be facilitated again in underground work.
Description
Technical field
The present invention relates to oilfield technology fields, more specifically, are related to one kind when high gas-oil ratio (HGOR) mechanical oil well produces
Underground Pump Suction Nozzle oil, gas, sand can be efficiently separated, while in well-flushing, packer bottom oil layer can be separated, prevent from washing
Well liquid is poured in down a chimney, and can prevent the high gas-oil ratio (HGOR) oil well gas-liquid piece-rate system of blowout with emptying in pump detection and workover.
Background technology
Crude oil production at present mainly uses mechanical oil recovery method, deep in the mechanical oil well production of high gas-oil ratio (HGOR)
Well pump sucking excessively high crude oil containing free gas, sand amount can influence the efficiency of deep well pump, therefore, in deep-well Pump Suction Nozzle all added with gas
The gas sand separating apparatus such as sand anchor.Existing gas, sand separating apparatus have the following problems when in use：
1, common gas anchor split cavity is small and eddy flow radius is small, and low separation efficiency is not applied for high gas-oil ratio (HGOR) producing well；
2, existing casing separator is using single channel, air upflow and the same runner of downlink oil stream, to high gas and oil
Than the gas of producing well, oily inferior separating effect；
3, gas anchor and existing casing separator are commonly used, is poured in down a chimney there are flushing fluid when well-flushing or can not emptying when underground work
Problem.
Invention content
In view of the above problems, the object of the present invention is to provide a kind of high gas-oil ratio (HGOR) oil well gas-liquid piece-rate systems, in solution
The problem of stating proposed in background technology.
High gas-oil ratio (HGOR) oil well gas-liquid piece-rate system provided by the invention, including：The casing and setting being arranged in well are covering
Inside pipe, and the binary channels aerated fluid separator of tubing coupling connection, aerated fluid transmission channel assembly are passed sequentially through from top to bottom
It is equal to the distance between well head and shaft bottom with the length of feeding device assembly, casing；Wherein,
Binary channels aerated fluid separator includes separator core pipe and is set in separator core pipe and separator core pipe length
Identical separator oil pipe；Wherein, between separator oil pipe and separator core pipe there are gap formed core pipe annular space, casing with point
From there are gaps to form oil pipe annular space between device oil pipe；Upper spiral plate and lower spiral plate, upper spiral are provided in oil pipe annular space
Plate and lower spiral plate are fitted close with separator core pipe, separator oil pipe respectively, and oil pipe tube wall is close on the inside of upper spiral plate
Position offer aperture；It is respectively arranged with vertical separating plate on the top of upper spiral plate and lower spiral plate, in separator oil pipe
Tube wall on be located at vertical separating plate position offer outlet, be provided in outlet be connected to separator core pipe inside and oil pipe
The overcurrent ring of annular space, the radial position that vertical separating plate is located at separator oil pipe are radial vertical with overcurrent ring；In upper spiral plate
It is arranged with diversion pipe with the top of lower spiral plate, the side that overcurrent ring is located on the top of diversion pipe is provided with and diversion pipe top
The semilune water conservancy diversion channel closure flushed, vertical separating plate, diversion pipe and semilune water conservancy diversion channel closure formed in oil pipe annular space to
Under open chamber；It is arranged with the casing of bottom hollow out in the bottom end of upper spiral plate and lower spiral plate；Inside separator core pipe
Top be provided with core pipe end socket；
Aerated fluid transmission channel assembly includes core pipe ball-and-seat, oil pipe oil feeding device, core pipe sliding sleeve and telescoping tube；Telescoping tube
Including outer telescopic tube and transmission oil pipe, transmission oil pipe is connect by core pipe sliding sleeve with oil pipe oil feeding device, and outer telescopic tube is set in
On transmission oil pipe, oil pipe oil feeding device；
Feeding device assembly includes packer, packer core pipe and core pipe feeding device, and packer is set in packer core
Guan Shang, the top of core pipe feeding device and the bottom end of packer connect.
Using above-mentioned high gas-oil ratio (HGOR) oil well gas-liquid piece-rate system according to the present invention gas is added by improving swirl velocity
Circulation road and eddy flow radius improve downhole gas, the separative efficiency of sand, oil of high gas-oil ratio (HGOR) mechanical oil well；Simultaneously by mixing gas
The setting of fluid passage ball-and-seat and the double-deck telescoping tube, prevents flushing fluid from pouring in down a chimney when playing well-flushing, and again can be convenient when underground work
The purpose of packer top fluid column unloading.
To the accomplishment of the foregoing and related purposes, one or more aspects of the present invention includes the spy being particularly described below
Sign.Certain illustrative aspects of the invention is described in detail in the following description and the annexed drawings.However, these aspect instructions are only
It is that some of the various ways in the principles of the present invention can be used.In addition, the present invention is intended to include all such aspects with
And their equivalent.
Description of the drawings
By reference to the explanation below in conjunction with attached drawing, and with a fuller understanding of the present invention, of the invention is other
Purpose and result will be more clearly understood and understood.In the accompanying drawings：
Fig. 1 is the structural schematic diagram according to the binary channels aerated fluid separator of the embodiment of the present invention；
Fig. 2 is the sectional view along line B-B of Fig. 1；
Fig. 3 is the structural schematic diagram according to the aerated fluid transmission channel assembly of the embodiment of the present invention；
Fig. 4 is the structural schematic diagram according to the feeding device assembly of the embodiment of the present invention.
Reference numeral therein includes：
Identical label indicates similar or corresponding feature or function in all the appended drawings.
Specific implementation mode
In the following description, for purposes of illustration, it in order to provide the comprehensive understanding to one or more embodiments, explains
Many details are stated.It may be evident, however, that these embodiments can also be realized without these specific details.
In other examples, one or more embodiments for ease of description, well known structure and equipment are shown in block form an.
Hereinafter, specific embodiments of the present invention will be described in detail with reference to the accompanying drawings.
High gas-oil ratio (HGOR) oil well gas-liquid piece-rate system provided by the invention, including：The casing and setting being arranged in well are covering
Inside pipe, and the binary channels aerated fluid separator of tubing coupling connection, aerated fluid transmission channel assembly are passed sequentially through from top to bottom
With feeding device assembly, the distance between well head and shaft bottom are the length of casing.
Separately below to the structure of binary channels aerated fluid separator, aerated fluid transmission channel assembly and feeding device assembly into
Row is described in detail.
Fig. 1 shows the structure of binary channels aerated fluid separator according to the ... of the embodiment of the present invention.
As shown in Figure 1, binary channels aerated fluid separator provided by the invention, including：It separator core pipe 101 and is set in point
From the separator oil pipe 102 in device core pipe 101, separator oil pipe 102 is identical as the length of separator core pipe 101, and separator
The top and bottom end of oil pipe 102 are flushed with the top of separator core pipe 101 and bottom end；It is processed in the bottom end of separator core pipe 101
There is inner sealing surface, male thread is machined on the top of separator core pipe 101, male thread is connect with one end of tubing coupling 103, oil
The other end of pipe box cupling 103 is connect with oil well pump (not shown)；Top inside separator core pipe 101 is provided with core pipe envelope
First 115；Be machined with male thread in the bottom end of separator oil pipe 102, between separator oil pipe 102 and separator core pipe 101 there are
Gap forms core pipe annular space, and the position close to top and bottom in core pipe annular space is respectively arranged with wiper block, two wiper blocks
It is concentric fixed with separator core pipe 101；There are gaps to form oil pipe ring between casing (not shown) and separator oil pipe 102
Sky, is provided with upper spiral plate 104 and lower spiral plate 105 in oil pipe annular space, upper spiral plate 104 and lower spiral plate 105 respectively with
Separator core pipe 101, separator oil pipe 102 are fitted close, and the position that oil pipe tube wall is close in the inside of upper spiral plate 104 opens up
There is aperture.In conjunction with Fig. 2, vertical separating plate 106 and vertical is respectively arranged on the top of upper spiral plate 104 and lower spiral plate 105
Demarcation strip 107, the position on the tube wall of separator oil pipe 102 between vertical separating plate 106 and vertical separating plate 107 are opened
Equipped with outlet 109, the overcurrent ring 110 of 101 inside and oil pipe annular space of connection separator core pipe is provided in outlet 109, vertically
Demarcation strip 106 and vertical separating plate 107 are located at the radial position of separator oil pipe 102, and the diameter with overcurrent ring 110 respectively
To vertical；It is arranged with diversion pipe 111 on the top of upper spiral plate 106 and lower spiral plate 107, is located on the top of diversion pipe 111
The side of overcurrent ring 110 is provided with semilune water conservancy diversion channel closure 112, the top of semilune water conservancy diversion channel closure 112 and diversion pipe 111
It flushes, vertical separating plate 106 and vertical separating plate 107, diversion pipe 111 and semilune water conservancy diversion channel closure 112 are in oil pipe annular space
Form open chamber downwards；It is arranged with the casing 108 of bottom hollow out in the bottom end of upper spiral plate 104 and lower spiral plate 105, is protected
Cylinder 108 plays the role of water conservancy diversion with diversion pipe 111.
In a preferred embodiment of the present invention, the top of diversion pipe 111 is provided with diversion pipe righting board 113,
The bottom of casing 108 is provided with casing righting board 114.
Fig. 3 shows the structure of aerated fluid transmission channel assembly according to the ... of the embodiment of the present invention.
As shown in figure 3, aerated fluid transmission channel assembly includes：It core pipe ball-and-seat, oil pipe oil feeding device, core pipe sliding sleeve and stretches
The draw；Telescoping tube includes outer telescopic tube 201 and transmission oil pipe 202, male thread is machined in the bottom of transmission oil pipe 202, in institute
It states and is provided with transmission core pipe 203 in transmission oil pipe 202, inner sealing surface is machined in the bottom of transmission core pipe 203, in outer telescopic tube
201 top is connected with sliding box cupling 204, is machined with interior screw thread in the bottom of outer telescopic tube 201, slides the inner wall of box cupling 204
There are gaps between transmission oil pipe 202.
It is machined with external seal face at the top of transmission core pipe 203, male thread is machined at the top of transmission oil pipe 202, passes
Petroleum pipeline 202 is connected with tubing coupling 205, top surface and 203 top of transmission core pipe of tubing coupling 205 by the male thread of itself
External seal face flush, tubing coupling 205 is connect with the male thread of 102 bottom of separator oil pipe, and transmits the top of core pipe 203
External seal face and the inner sealing surface of 102 bottom of separator core pipe coordinate.
In a preferred embodiment of the present invention, it transmits oil pipe 202 and transmits in the gap formed between core pipe 203
It is respectively arranged with wiper block close to the position of top and bottom, wiper block is concentric fixed with transmission core pipe 203, the bottom surface of wiper block
It is concordant with the transmission bottom surface of oil pipe 202.
Core pipe ball-and-seat includes core pipe ball-and-seat housing 206, and internal thread is machined at the top of core pipe ball-and-seat housing 206
Button is provided with core pipe ball-and-seat set 207 in core pipe ball-and-seat housing 206, in the bottom of core pipe ball-and-seat set 207 is machined with
Screw thread is disposed with valve cover pressure cap 208, valve cover 209,210 and of valve ball from top to bottom in core pipe ball-and-seat set 207
Valve seat 211 is machined with the external seal face flushed with core pipe ball-and-seat housing 206, valve cover at the top of valve cover pressure cap 208
The external seal face at 208 top of pressure cap and the inner sealing surface of 203 bottom of transmission core pipe coordinate；206 top of core pipe ball-and-seat housing
Interior screw thread is connect with the male thread of 202 bottom of transmission oil pipe.
It should be noted that tubing coupling 205 and the outer diameter of core pipe ball-and-seat housing 206 are slightly less than outer telescopic tube 201
Internal diameter.
Core pipe sliding sleeve includes sliding sleeve outer tube 212 and sliding sleeve inner tube 213, and sliding sleeve inner tube 213 covers 207 bottoms by core pipe ball-and-seat
The interior screw thread in portion is connect with core pipe ball-and-seat set 207, is offered on the tube wall of sliding sleeve inner tube 213 and is unloaded oilhole 214；Sliding sleeve outer tube
212 are set in sliding sleeve inner tube 213, and the top of sliding sleeve outer tube 212 is provided with inner sealing surface, the inner sealing surface and sliding sleeve inner tube
213 are slidingly sealed cooperation；It is equipped with interior screw thread in the bottom of sliding sleeve outer tube 212.
Oil pipe oil feeding device includes oil inlet core pipe 215 and oil inlet outer tube 216, is machined at the top of oil inlet core pipe 215 outer
The interior screw thread of screw thread, 212 bottom of sliding sleeve outer tube is connect with the male thread at 215 top of oil inlet core pipe, at the middle part of oil inlet outer tube 216
Offer fuel feed hole 217, male thread be machined at the top of oil inlet outer tube 216, the male thread at 216 top of oil inlet outer tube with it is flexible
The interior screwed connection of 201 bottom of outer tube.
In a preferred embodiment of the present invention, it is provided with righting between oil inlet core pipe 205 and oil inlet outer tube 216
Block, the male thread of wiper block and 216 bottom of oil inlet outer tube is concentric to be fixed.
Fig. 4 shows the structure of feeding device assembly according to the ... of the embodiment of the present invention.
As shown in figure 4, feeding device assembly includes packer 301, packer core pipe 302 and core pipe feeding device, packing
Device 301 is set in packer core pipe 302, and the top of core pipe feeding device is connect with the bottom end of packer 301, in packer
301 top and bottom are machined with male thread respectively, and the male thread at 301 top of packer is connected with tubing coupling 303, packer
The tubing coupling 303 at 301 tops is connect with the male thread of the bottom of oil inlet outer tube 216.
It is respectively arranged with external seal face in the top and bottom of packer core pipe 302, it is outer close at the top of packer core pipe 302
Cover is flushed with the tubing coupling 303 at 301 top of packer, inner sealing surface and the packer core pipe 302 of 205 bottom of oil inlet core pipe
The external seal face at top coordinates.
Core pipe feeding device includes outer barrel 304 and feed liquor core pipe 305, and the middle part in feed liquor core pipe 305 is provided with interior close
Cover, the inner sealing surface of feed liquor core pipe 305 coordinates with the external seal face of 302 bottom of packer core pipe, in feed liquor core pipe 305
Bottom is provided with bottom stifled 306, the middle part of outer barrel 304 is provided with feed pathway 307, feed pathway 307 is connected to feed liquor core pipe 305
Space between internal and outer barrel 304 is machined with interior screw thread respectively in the top and bottom of outer barrel 304, interior at the top of outer barrel 304
Screw thread is connect with the male thread of 301 bottom of packer, and the interior screw thread of 304 bottom of outer barrel is connect with sand sediment pipe.
The structure of casing separator provided by the invention is described in detail in the above, below to casing provided by the invention
The operation principle of separator illustrates, and the operation principle of casing separator is as follows：
Aerated fluid goes upward to binary channels into packer core pipe 302 by the feed pathway 307 in core pipe feeding device and mixes
The separator core pipe 101 of gas-liquid separator enters the diversion pipe 111 of oil pipe annular space by overcurrent ring 110, into diversion pipe 11
Aerated fluid is along spiral plate 106 and lower 107 cyclonic separation of spiral plate on aerated fluid channel is led, and liquid downlink, gas is through upper spiral plate
The aperture that 106 insides are close to tubing wall enters double helix plate gas channel and goes upward to well head, and gas is finally from the casing valve of well head
Door discharge.
Liquid downlink after the separation of binary channels aerated fluid separator further carries out sedimentation separation.Specifically, liquid
Under pass through aerated fluid transmission channel assembly oil pipe feeding device 14 flow into oil inlet outer tube 216 after carry out sand sedimentation separation, separation
The sand gone out enters sand sediment pipe by feeding device assembly；And liquid by fuel feed hole 217 flows into oil inlet outer tube 216 and into wick
Annular space between pipe 215 goes upward to the core pipe annular space of binary channels aerated fluid separator, finally enters oil well pump, by oil pumping pumping
It walks.
In clean-out service, flushing fluid is injected from the sleeve valve of well head, due to packer 301 and the work of core pipe ball-and-seat
Can only enter the annular space between oil inlet outer tube 216 and oil inlet core pipe 215 from fuel feed hole 217 with, flushing fluid, then on be advanced into oil pumping
It pumps and goes upward to ground.
In workover treatment, well head promotes tubing string, and sliding sleeve inner tube 213 is with 201 versus downstream of outer telescopic tube to fuel feed hole 217
It opens, the liquid of annular space enters oil inlet outer tube by fuel feed hole 217 between the casing and outer telescopic tube 201 on 301 top of packer
Annular space between 216 and oil inlet core pipe 215, then liquid uplink pass through overcurrent ring 4 and enter separator core pipe 101, final liquid
Shaft bottom is flowed to achieve the purpose that unloading.
In the present invention, the cooperation in inner sealing surface and external seal face refers to realizing fixed connect by frictional force between the two
It connects.
The above description is merely a specific embodiment, but scope of protection of the present invention is not limited thereto, any
Those familiar with the art in the technical scope disclosed by the present invention, can easily think of the change or the replacement, and should all contain
Lid is within protection scope of the present invention.Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims.
Claims (10)
1. a kind of high gas-oil ratio (HGOR) oil well gas-liquid piece-rate system, which is characterized in that including：The casing being arranged in well and setting are in institute
Inside pipe casing is stated, and passes sequentially through the binary channels aerated fluid separator of tubing coupling connection, aerated fluid transmission channel from top to bottom
The length of assembly and feeding device assembly, described sleeve pipe is equal to the distance between well head and shaft bottom；Wherein,
The binary channels aerated fluid separator includes separator core pipe, is set in the separator core pipe and the separator core
The identical separator oil pipe of length of tube；Wherein, there are gaps to form core between the separator oil pipe and the separator core pipe
Pipe ring is empty, and there are gaps to form oil pipe annular space between described sleeve pipe and the separator oil pipe；It is arranged in the oil pipe annular space
Have a upper spiral plate and lower spiral plate, the upper spiral plate and the lower spiral plate respectively with the separator core pipe, described detach
Device oil pipe is fitted close, and the position that the oil pipe tube wall is close on the inside of the upper spiral plate offers aperture；On described
The top of spiral plate and the lower spiral plate is respectively arranged with vertical separating plate, and institute is located on the tube wall of the separator oil pipe
The position for stating vertical separating plate offers outlet, is provided in the outlet inside the connection separator core pipe and the oil
The overcurrent ring of pipe ring sky, the vertical separating plate are located at the radial position of the separator oil pipe and hang down with the radial direction of the overcurrent ring
Directly；It is arranged with diversion pipe on the top of the upper spiral plate and the lower spiral plate, is located on the top of the diversion pipe described
The side of overcurrent ring is provided with the semilune water conservancy diversion channel closure flushed with the diversion pipe top, the vertical separating plate, described
Diversion pipe forms downward open chamber with the semilune water conservancy diversion channel closure in the oil pipe annular space；In the upper spiral plate
The casing of bottom hollow out is arranged with the bottom end of the lower spiral plate；Top inside the separator core pipe is provided with core pipe
End socket；
The aerated fluid transmission channel assembly includes core pipe ball-and-seat, oil pipe oil feeding device, core pipe sliding sleeve and telescoping tube；It is described to stretch
The draw includes outer telescopic tube and transmission oil pipe, and the transmission oil pipe is connected by the core pipe sliding sleeve and the oil pipe oil feeding device
It connects, the outer telescopic tube is set in the transmission oil pipe, on the oil pipe oil feeding device；
The feeding device assembly includes packer, packer core pipe and core pipe feeding device, and the packer is set in described
In packer core pipe, the top of the core pipe feeding device is connect with the bottom end of the packer.
2. high gas-oil ratio (HGOR) oil well gas-liquid piece-rate system as described in claim 1, which is characterized in that
It is machined with male thread in the bottom of the transmission oil pipe, transmission core pipe is provided in the transmission oil pipe, in the biography
The bottom of defeated core pipe is machined with inner sealing surface, and sliding box cupling is connected at the top of the outer telescopic tube, in the outer telescopic tube
Bottom be machined with interior screw thread, there are gaps between the inner wall and the transmission oil pipe of the sliding box cupling；
The core pipe ball-and-seat includes core pipe ball-and-seat housing, and interior screw thread is machined at the top of the core pipe ball-and-seat housing,
It is provided with core pipe ball-and-seat set in the core pipe ball-and-seat housing, internal thread is machined in the bottom of core pipe ball-and-seat set
Button is disposed with valve cover pressure cap, valve cover, valve ball and valve seat from top to bottom in core pipe ball-and-seat set,
The external seal face flushed with the core pipe ball-and-seat housing, valve cover pressure cap top are machined at the top of the valve cover pressure cap
The external seal face in portion and the inner sealing surface of the transmission core pipe bottom coordinate；Interior screw thread at the top of the core pipe ball-and-seat housing with
The male thread connection of the transmission oil pipe bottom；
The core pipe sliding sleeve includes sliding sleeve outer tube and sliding sleeve inner tube, and the sliding sleeve inner tube covers bottom by the core pipe ball-and-seat
Interior screw thread is connected with core pipe ball-and-seat set, is offered on the tube wall of the sliding sleeve inner tube and is unloaded oilhole；The sliding sleeve outer tube
It is set in the sliding sleeve inner tube, is provided at the top of the sliding sleeve outer tube and is slidingly sealed in cooperation with the sliding sleeve inner tube
Sealing surface is equipped with interior screw thread in the bottom of the sliding sleeve outer tube；
The oil pipe oil feeding device includes oil inlet core pipe and oil inlet outer tube, and male thread is machined at the top of the oil inlet core pipe,
The interior screw thread of the sliding sleeve outer pipe bottom is connect with the male thread at the top of the oil inlet core pipe, is opened in the middle part of the oil inlet outer tube
Equipped with fuel feed hole, male thread is machined at the top of the oil inlet outer tube, the male thread at the top of the oil inlet outer tube is stretched with described
The interior screwed connection of contracting outer pipe bottom.
3. high gas-oil ratio (HGOR) oil well gas-liquid piece-rate system as claimed in claim 2, which is characterized in that
It is machined with male thread in the bottom of the separator oil pipe, inner sealing surface is machined in the bottom of the separator core pipe；
It is machined with external seal face at the top of the transmission core pipe, male thread is machined at the top of the transmission oil pipe, it is described
Transmission oil pipe is connected with tubing coupling by the male thread of itself, the top surface of the tubing coupling at the top of the transmission core pipe
External seal face flushes, and the tubing coupling is connect with the male thread of the separator oil bottom of the tube, and at the top of the transmission core pipe
The inner sealing surface of external seal face and separator core pipe bottom coordinate.
4. high gas-oil ratio (HGOR) oil well gas-liquid piece-rate system as claimed in claim 3, which is characterized in that
The outer diameter of the tubing coupling and the core pipe ball-and-seat housing is slightly less than the internal diameter of the outer telescopic tube.
5. high gas-oil ratio (HGOR) oil well gas-liquid piece-rate system as claimed in claim 2, which is characterized in that
Wiper block, the wiper block and the oil inlet outer pipe bottom are provided between the oil inlet core pipe and the oil inlet outer tube
Male thread fix with one heart；And
The top of the diversion pipe is provided with diversion pipe righting board；
The bottom of the casing is provided with casing righting board.
6. high gas-oil ratio (HGOR) oil well gas-liquid piece-rate system as claimed in claim 2, which is characterized in that
It is machined with inner sealing surface in the bottom of the oil inlet core pipe；
It is machined with male thread in the bottom of the oil inlet outer tube；
It is machined with male thread respectively in the top and bottom of the packer, the male thread at the top of the packer is connected with oil pipe
Box cupling, the tubing coupling at the top of the packer are connect with the male thread of the bottom of the oil inlet outer tube；
External seal face, the external seal at the top of the packer core pipe are respectively arranged at the top and bottom of the packer core pipe
Face is flushed with the tubing coupling at the top of the packer, inner sealing surface and the packer core pipe top of oil inlet core pipe bottom
The external seal face in portion coordinates；
The core pipe feeding device includes outer barrel and feed liquor core pipe, and the middle part in the feed liquor core pipe is provided with inner sealing surface,
The inner sealing surface of the feed liquor core pipe coordinates with the external seal face of packer core pipe bottom, the bottom in the feed liquor core pipe
Portion is provided with bottom and blocks up, and feed pathway is provided in the middle part of the outer barrel, and the feed pathway is connected to inside the feed liquor core pipe
With the space between the outer barrel, it is machined with interior screw thread respectively in the top and bottom of the outer barrel, it is interior at the top of the outer barrel
Screw thread is connect with the male thread of the packer bottom.
7. high gas-oil ratio (HGOR) oil well gas-liquid piece-rate system as claimed in claim 6, which is characterized in that
The interior screw thread of the outer barrel bottom is connect with sand sediment pipe.
8. high gas-oil ratio (HGOR) oil well gas-liquid piece-rate system as claimed in claim 2, which is characterized in that
It is respectively arranged with close to the position of top and bottom in the gap formed between the transmission oil pipe and the transmission core pipe
Wiper block, the wiper block with the transmission core pipe is concentric fixes.
9. high gas-oil ratio (HGOR) oil well gas-liquid piece-rate system as described in claim 1, which is characterized in that
Position close to top and bottom in the core pipe annular space is respectively arranged with wiper block, and the wiper block is detached with described
Device core pipe is fixed with one heart.
10. high gas-oil ratio (HGOR) oil well gas-liquid piece-rate system as described in claim 1, which is characterized in that
It is machined with male thread on the top of the separator core pipe, the male thread is connected with tubing coupling, the tubing coupling
It is connect with oil well pump.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610996447.8A CN106285620B (en) | 2016-11-13 | 2016-11-13 | High gas-oil ratio (HGOR) oil well gas-liquid piece-rate system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610996447.8A CN106285620B (en) | 2016-11-13 | 2016-11-13 | High gas-oil ratio (HGOR) oil well gas-liquid piece-rate system |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106285620A CN106285620A (en) | 2017-01-04 |
| CN106285620B true CN106285620B (en) | 2018-08-14 |
Family
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| CN108533243A (en) * | 2018-03-16 | 2018-09-14 | 中国科学院力学研究所 | A kind of underground gas-liquid separator |
| CN110242257A (en) * | 2019-05-31 | 2019-09-17 | 中国海洋石油集团有限公司 | A kind of gas hydrates underground pilot production process pipe string |
| CN114382440B (en) * | 2022-01-05 | 2023-05-19 | 烟台杰瑞石油装备技术有限公司 | Oil extraction device |
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| US5711371A (en) * | 1995-06-02 | 1998-01-27 | Bingham; Bill S. | Down hole submersible pump |
| GB2500845B (en) * | 2010-12-30 | 2015-06-24 | Cameron Int Corp | Apparatus and method for fluid separation |
| CN202012341U (en) * | 2011-04-25 | 2011-10-19 | 高淑梅 | High efficiency gas anchor for screw pump |
| CN202707029U (en) * | 2012-06-25 | 2013-01-30 | 盐城市华谊石油机械有限公司 | Multistage efficient gas and sand anchor |
| CN203499667U (en) * | 2013-10-17 | 2014-03-26 | 王依明 | Self-cleaning type sand prevention oil-gas separation device |
| CN204283397U (en) * | 2014-11-27 | 2015-04-22 | 中国石油天然气股份有限公司 | Auto-oscillation type spiral gas and sand anchor |
| CN206144550U (en) * | 2016-11-13 | 2017-05-03 | 重庆科技学院 | High gas -oil is than oil well gas -liquid separation system |
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