CN103244098B - Low injection allocation amount water injection well layering flow tester - Google Patents
Low injection allocation amount water injection well layering flow tester Download PDFInfo
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- CN103244098B CN103244098B CN201310112326.9A CN201310112326A CN103244098B CN 103244098 B CN103244098 B CN 103244098B CN 201310112326 A CN201310112326 A CN 201310112326A CN 103244098 B CN103244098 B CN 103244098B
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Abstract
A kind of low injection allocation amount water injection well layering flow tester, it comprises: cable head, and its lower end is connected with pressure-temperature sensor and control module in turn; Regulating arm device, it includes regulating arm holder and regulating arm; Regulating arm governor motion, it is connected to the top of described regulating arm device, and regulating arm governor motion controls to adjust opening and folding of arm; Electromagnetic flowmeter assembly comprises flow main body, electromagnetic flowmeter, fluid course, water inlet and delivery port; Sealing mechanism, it is connected to the below of electromagnetic flowmeter, described sealing mechanism comprises sealing executing agency and at least two sealing devices, and described sealing executing agency drives described sealing device in expansion or shrinks and arranges, and described delivery port is between two sealing devices; Guiding mechanism, it is connected to the below of sealing mechanism, and described guiding mechanism comprises guide motor, guiding connector and leading arm, and described guide motor connects described leading arm by guiding connector.
Description
Technical field
The present invention relates to seperated layer water injection stratified flow rate test field, particularly relate to a kind of low injection allocation amount water injection well layering flow tester.
Background technology
Bridge-type eccentric separate layer water injection string because the high advantage of its testing efficiency is in oil field extensive use, the test adopting non-collective flow test modes to realize zonal flow rate more.But non-collective flow test mode needs the test being realized individual layer flow by diminishing method, and non-collective flow test mode measuring accuracy is low, add diminishing method calculated flow rate and cause error to superpose, be difficult to the testing requirement meeting low injection allocation amount water injection well.The low-permeability oilfields such as Changqing oilfields, Jilin Oil Field, Daqing Periphery Oilfield have a large amount of low injection allocation amount water injection well to be badly in need of surveying tune.Afflux test mode is directly tested with the use of realizing afflux individual layer mainly through the testing seal section of existing measurement and adjustment instrument and leather cup structure, and the collecting type measurement and adjustment instrument device sealing reliability based on leather cup structure is poor: be embodied in by the sealing of leather cup gravity, easily envelope incessantly; By deblocking carried by leather cup, easily pull off steel wire.
Summary of the invention
The object of the invention is, provide a kind of low injection allocation amount water injection well layering flow tester, it adopts sealing mechanism realizing active sealing and afflux to increase the mode of flow velocity, improves the measuring accuracy of little water yield water injection well, and can realize individual layer and directly test.
Above-mentioned purpose of the present invention can adopt following technical proposal to realize:
A kind of low injection allocation amount water injection well layering flow tester, described stratified flow rate test instrument comprises: cable head, and its lower end is connected with pressure-temperature sensor and control module in turn; Regulating arm device, it includes regulating arm holder and is connected to the regulating arm on described regulating arm holder; Regulating arm governor motion, it is connected to the top of described regulating arm device, and is positioned at the below of described control module, and described regulating arm governor motion controls opening of described regulating arm and folds; Electromagnetic flowmeter assembly, it is connected to the below of described regulating arm device, described electromagnetic flowmeter assembly comprises flow main body, electromagnetic flowmeter, fluid course, water inlet and delivery port, described fluid course is arranged on the inside of flow main body, described electromagnetic flowmeter is embedded within flow main body, and outside the middle part being around in described fluid course, described water inlet is positioned at the upper end of fluid course, described delivery port is arranged on the below of flow main body, and is communicated in the lower end of described fluid course; Sealing mechanism, it is connected to the below of described electromagnetic flowmeter, described sealing mechanism comprises sealing executing agency and at least two sealing devices, and described sealing executing agency drives described sealing device in expansion or shrinks and arranges, and described delivery port is between two sealing devices; Wherein, described sealing executing agency comprises sealed electric-motor, seal transmission shaft, cylindrical cam and driven projection, one end of described seal transmission shaft connects sealed electric-motor, other end connecting cylinder cam, the medial extremity of described driven projection is embedded in the groove of cylindrical cam, the outboard end of driven projection is fixedly connected on described sealing device, and described sealed electric-motor drives cylindrical cam to rotate by seal transmission shaft, and is compression seal or elongation state by described driven projection band dynamic sealing device; Guiding mechanism, it is connected to the below of sealing mechanism, and described guiding mechanism comprises guide motor, guiding connector and leading arm, and described guide motor connects described leading arm by guiding connector.
Low injection allocation amount water injection well layering flow tester as above, described sealing device comprises the first sealing device and the second sealing device, and described first sealing device is positioned at the top of the second sealing device; Described first sealing device comprises fixed cover and first time fixed cover on the first sealing leather bag, first, the upper and lower end of described first sealing leather bag is fixedly connected on the outside of fixed cover and first time fixed cover on described first respectively, on described first, fixed cover is fixedly connected on the outside of described flow main body, and first time fixed cover can slide up and down to the outside being connected to flow main body; Described second sealing device comprises fixed cover and second time fixed cover on the second sealing leather bag, second, the upper and lower end of described second sealing leather bag is fixedly connected on the outside of fixed cover and second time fixed cover on described second respectively, on described second, fixed cover can slide up and down to the outside being connected to described flow main body, on described second, fixed cover and above-mentioned first time fixed cover are for being rigidly connected, second time fixed cover can slide up and down to the outside being connected to flow main body, and the outboard end of above-mentioned driven projection is fixedly connected on described second time fixed cover.
Low injection allocation amount water injection well layering flow tester as above, described regulating arm governor motion comprises adjustment motor and transmission component, and described adjustment motor connects described regulating arm device by transmission component.
Low injection allocation amount water injection well layering flow tester as above, described transmission component comprises power transmission shaft, sliding sleeve and cam, one end of described power transmission shaft connects described adjustment motor, the other end successively circumference is permanently connected the cam of described sliding sleeve, described cam is positioned at the below of sliding sleeve, and the outside of cam is connected on one end of described regulating arm, along with the rotation of cam, the other end of described regulating arm is in opening or folding setting.
Low injection allocation amount water injection well layering flow tester as above, described transmission component also comprises telescopic component, and by telescopic component, described sliding sleeve and cam can slide up and down along described power transmission shaft.
Low injection allocation amount water injection well layering flow tester as above, described regulating arm comprises: a pair righting arm, and one of them righting arm is articulated with adjusting head outward, a regulating connecting rod, described regulating connecting rod has adjustment overcoat, bar and regulating spring in regulating, in described adjustment, bar is movably connected in the inside regulating overcoat, described adjustment overcoat has external jacket universal joint head away from regulating one end of interior bar, in described adjustment, bar has interior bar cross-pin type joint away from regulating one end of overcoat, described regulating spring is arranged on the inside regulating overcoat, and the two ends of regulating spring are resisted against described external jacket universal joint head respectively and regulate interior bar, described external jacket universal joint head is connected to described regulating arm holder, described interior bar cross-pin type joint connects described adjusting head.
Low injection allocation amount water injection well layering flow tester as above, described guiding connector comprises guiding axis of rotation and guide cam, one end of described guiding axis of rotation connects described guide motor, and the other end connects guide cam, and the outside of described guide cam is connected on one end of described leading arm.
Low injection allocation amount water injection well layering flow tester as above, described leading arm has symmetrically arranged first leading arm and the second leading arm, and described guide motor drives described first leading arm and/or the second leading arm in opening or rounding state by described guiding connector.
Low injection allocation amount water injection well layering flow tester as above, described stratified flow rate test instrument also comprises magnetic locator, and described magnetic locator is connected between described cable head and described pressure-temperature sensor.
Low injection allocation amount water injection well layering flow tester as above, the below of described guiding mechanism is also connected to weighted lever bindiny mechanism, and the lower end of described weighted lever bindiny mechanism can be used for connecting weighted lever.
The features and advantages of the invention are: it makes the fluid of current water filling layer all pass through electromagnetic flowmeter from water inlet, the result that electromagnetic flowmeter survey like this obtains is exactly the whole flow value of current water injection rate, and survey tune is measured in the layering being achieved low injection allocation amount water injection well by the mode of afflux.
Accompanying drawing explanation
In order to be illustrated more clearly in the embodiment of the present invention or technical scheme of the prior art, be briefly described to the accompanying drawing used required in embodiment or description of the prior art below, apparently, accompanying drawing in the following describes is only some embodiments of the present invention, for those of ordinary skill in the art, under the prerequisite not paying creative work, other accompanying drawing can also be obtained according to these accompanying drawings.
Fig. 1 is the cross-sectional view of low injection allocation amount water injection well layering flow tester of the present invention;
Fig. 2 is that the A-A line position of Fig. 1 is with the close-up schematic view of upper part;
Fig. 3 is the close-up schematic view between the A-A line position of Fig. 1 and B-B line position;
Fig. 4 is the close-up schematic view between the B-B line position of Fig. 1 and C-C line position;
Fig. 5 is the close-up schematic view between the C-C line position of Fig. 1 and D-D line position, and its vision-control arm assembly is in open mode;
Fig. 5 A is the enlarged schematic partial view of Fig. 5;
Fig. 5 B is the close-up schematic view of Fig. 1, and its vision-control arm assembly is in rounding state;
Fig. 6 is the close-up schematic view between the D-D line position of Fig. 1 and E-E line position;
Fig. 6 A is the enlarged schematic partial view of Fig. 6;
Fig. 7 is the close-up schematic view between the E-E line position of Fig. 1 and F-F line position;
Fig. 8 be the F-F line position of Fig. 1 with the close-up schematic view of lower part, its display guiding mechanism be in the state that just leads;
Fig. 8 A be the F-F line position of Fig. 1 with the close-up schematic view of lower part, its display guiding mechanism be in anti-ballistic to state;
Fig. 8 B be the F-F line position of Fig. 1 with the close-up schematic view of lower part, its display guiding mechanism be in rounding state.
Detailed description of the invention
Below in conjunction with the accompanying drawing in the embodiment of the present invention, be clearly and completely described the technical scheme in the embodiment of the present invention, obviously, described embodiment is only the present invention's part embodiment, instead of whole embodiments.Based on the embodiment in the present invention, those of ordinary skill in the art, not making the every other embodiment obtained under creative work prerequisite, belong to the scope of protection of the invention.
Embodiment 1
As shown in Fig. 1 to Fig. 8 B, the embodiment of the present invention proposes a kind of low injection allocation amount water injection well layering flow tester, and it comprises cable head 1, regulating arm device 2, regulating arm governor motion 3, electromagnetic flowmeter assembly 4, sealing mechanism 5 and guiding mechanism 6.The lower end of described cable head 1 is connected with pressure-temperature sensor 7 and control module 8 in turn.Described regulating arm device 2 includes regulating arm holder 2a and is connected to the regulating arm 2b on described regulating arm holder 2a.Described regulating arm governor motion 3 is connected to the top of described regulating arm device 2, and is positioned at the below of described control module 8, and described regulating arm governor motion 3 controls opening and folding of described regulating arm 2b.Described electromagnetic flowmeter assembly 4 is connected to the below of described regulating arm device 2, described electromagnetic flowmeter assembly 4 comprises flow main body 4a, electromagnetic flowmeter 4b, fluid course 4c, water inlet 4d and delivery port 4e, described fluid course 4c is arranged on the inside of flow main body 4a, described electromagnetic flowmeter 4b is embedded within flow main body 4a, and outside the middle part being around in described fluid course 4c, described water inlet 4d is positioned at the upper end of fluid course 4c, described delivery port 4e is arranged on the below of flow main body 4a, and is communicated in the lower end of described fluid course 4c.Described sealing mechanism 5 is connected to the below of described electromagnetic flowmeter, described sealing mechanism 5 comprises sealing executing agency 5a and at least two sealing device, described sealing executing agency 5a drives described sealing device in expansion or shrinks and arranges, and described delivery port 4e is between two sealing devices.Described guiding mechanism 6 is connected to the below of sealing mechanism 5, and described guiding mechanism 6 comprises guide motor 6a, guiding connector 6b and leading arm, and described guide motor 6a connects described leading arm by guiding connector 6b.
In the present embodiment, described tester enters into the station interval needing to survey tune by regulating arm device 2 and guiding mechanism 6 after, the sealing executing agency 5a of sealing mechanism 5 controls sealing device and is in sealing state, described guiding mechanism 6 coordinates with the guiding mechanism shoulder to shoulder of injection well downhole flow regulator, the regulating arm 2b of described regulating arm device 2 has docked with blanking plug water nozzle, by regulating arm 2b, blanking plug is regulated, the size of control objectives water injection rate of interval.
Because the electromagnetic flowmeter 4b of electromagnetic flowmeter assembly 4 is between water inlet 4d and delivery port 4e, delivery port 4e is between two sealing devices, water inlet 4d is positioned at the top of two sealing devices, when sealing device is in sealing state, water in water main must enter into flow meter 4b by water inlet 4d, enter into blanking plug by delivery port 4e again, finally enter current oil reservoir.That is, the water that the sealing device be positioned at above delivery port 4e avoids the top interval of current water filling layer enters blanking plug from tester side, the water that the sealing device be positioned at below delivery port 4e avoids the below interval of current water filling layer enters blanking plug from tester side, thus the fluid making current water filling layer all from water inlet 4d by electromagnetic flowmeter 4b, the result that electromagnetic flowmeter 4b like this measurement obtains is exactly the whole flow value of current water injection rate, is improve the zonal testing precision of low injection allocation amount water injection well by the mode of afflux raising flow velocity.
According to an embodiment of the invention, coordinate shown in 6 and Fig. 6 A, described sealing executing agency 5a comprises sealed electric-motor 5a1, seal transmission shaft 5a2, cylindrical cam 5a3 and driven projection 5a4, one end of described seal transmission shaft 5a2 connects sealed electric-motor 5a1, other end connecting cylinder cam 5a3, the medial extremity of described driven projection 5a4 is embedded in the groove of cylindrical cam 5a3, the outboard end of driven projection 5a4 is fixedly connected on described sealing device, described sealed electric-motor 5a1 drives cylindrical cam 5a3 to rotate by seal transmission shaft 5a2, and be with dynamic sealing device to be compression seal or elongation state by described driven projection 5a4.
Coordinate shown in Fig. 6 and Fig. 6 A, described sealing device comprises the first sealing device 5b and the second sealing device 5c, and described first sealing device 5b is positioned at the top of the second sealing device 5c.Described first sealing device 5b comprises fixed cover 5b2 and first time fixed cover 5b3 on the first sealing leather bag 5b1, first, the upper and lower end of described first sealing leather bag 5b1 is fixedly connected on the outside of fixed cover 5b2 and first time fixed cover 5b3 on described first respectively, on described first, fixed cover 5b2 is fixedly connected on the outside of described flow main body 4a, and first time fixed cover 5b3 can slide up and down to the outside being connected to flow main body 4a.Described second sealing device 5c comprises the second sealing leather bag 5c1, fixed cover 5c2 and second time fixed cover 5c3 on second, described second sealing leather bag 5c1's is upper, lower end is fixedly connected on the outside of fixed cover 5c2 and second time fixed cover 5c3 on described second respectively, on described second, fixed cover 5c2 can slide up and down to the outside being connected to described flow main body 4a, on described second, fixed cover 5c2 and above-mentioned first time fixed cover 5b3 is for being rigidly connected, herein, on second, fixed cover 5c2 and first time fixed cover 5b3 is integrated setting, second time fixed cover 5c3 can slide up and down to the outside being connected to flow main body 4a, the outboard end of above-mentioned driven projection 5a4 is fixedly connected on described second time fixed cover 5c3.
In the present embodiment, after described sealed electric-motor 5a1 starts, cylindrical cam 5a3 is driven to rotate by seal transmission shaft 5a2, by driven projection 5a4, second time fixed cover 5c3 is slided up and down, when sealing is desired, make second time fixed cover 5c3 upward sliding, second time fixed cover 5c3 upward sliding contacts and promotes fixed cover 5c2 upward sliding on second, and the second sealing leather bag 5c1 is expanded by compression, on second, under fix 5c2, during 5c3 contact, second sealing leather bag 5c1 is extruded and reaches maximum rating, now that the second sealing leather bag 5c1 seals best state.Because fixed cover 5c2 and first time fixed cover 5b3 on second is rigidly connected, therefore first time fixed cover 5b3 also can upward sliding, because fixed cover 5b2 on first fixes and can not slide, first sealing leather bag 5b1 is expanded by compression, when first upper and lower fixing 5b2,5b3 contact, first sealing leather bag 5b1 is extruded and reaches maximum rating, is now that the first sealing leather bag 5b1 seals best state.
Survey to adjust when tester and terminate, when sealing device no longer needs to be in sealing state, start sealed electric-motor 5a1, it is made to drive cylindrical cam 5a3 to rotate backward, thus make second time fixed cover 5c3 slide downward, and then make fixed cover 5c2 slide downward together with first time fixed cover 5b3 on second, make first and second sealing leather bag 5b1,5c1 no longer be extruded and be extended, be in blow-by state.
According to an embodiment of the invention, coordinate shown in Fig. 5 and Fig. 5 A, described regulating arm governor motion 3 comprises adjustment motor 3a and transmission component 3b, and described adjustment motor 3a connects described regulating arm device 2 by transmission component 3b.
Described transmission component 3b comprises power transmission shaft 3b1, sliding sleeve 3b2 and cam 3b3, one end of described power transmission shaft 3b1 connects described adjustment motor 3a, the other end successively circumference is permanently connected the cam 3b3 of described sliding sleeve 3b2, described cam 3b3 is positioned at the below of sliding sleeve 3b2, and the outside of cam 3b3 is connected on one end of described regulating arm 2b, along with the rotation of cam 3b3, the other end of described regulating arm 2b is in opening or folding setting.
In the present embodiment, when regulating motor 3a to rotate, its power transmission shaft 3b1 connected rotates thereupon, thus drives sliding sleeve 3b2 to rotate together with cam 3b3.The diameter of cam 3b3 differs, and makes regulating arm 2b carry out opening or drawing action in.
Furthermore, coordinate shown in Fig. 5 A, described transmission component 3b also comprises telescopic component, and by telescopic component, described sliding sleeve 3b2 and cam 3b3 can slide up and down along described power transmission shaft 3b1.
Specifically, described telescopic component comprises pedestal pressure ring 3b4, first and second driving spring 3b5,3b6, pressure ring 3b7 and cylinder ring 3b8, described cylinder ring 3b8, pedestal pressure ring 3b4 and the first driving spring 3b5 are set in outside power transmission shaft 3b1 respectively, and the two ends of the first driving spring 3b5 are resisted against a ring 3b8 and pedestal pressure ring 3b4 respectively; Described pressure ring 3b7 is set in the outside of sliding sleeve 3b2, and described pedestal pressure ring 3b4 and pressure ring 3b7 lays respectively at the two ends of sliding sleeve 3b2, and described second driving spring 3b6 is between pedestal pressure ring 3b4 and pressure ring 3b7.
In the present embodiment, when regulating arm 2b opens or folds, cam 3b3 and sliding sleeve 3b2 can slide up and down along power transmission shaft 3b1 under the opening and closing power of regulating arm 2b and the acting in conjunction of telescopic component, to avoid regulating arm 2b stuck.
According to an embodiment of the invention, coordinate shown in Fig. 5, described regulating arm 2b comprises a pair righting arm 2c and regulating connecting rod 2d.One of them righting arm 2c is articulated with adjusting head 2e outward, described regulating connecting rod 2d has adjustment overcoat 2d1, bar 2d2 and regulating spring 2d3 in regulating, in described adjustment, bar 2d2 is movably connected in the inside regulating overcoat 2d1, described adjustment overcoat 2d1 has external jacket universal joint head 2d4 away from regulating one end of interior bar 2d2, in described adjustment, bar 2d2 has interior bar cross-pin type joint 2d5 away from regulating one end of overcoat, described regulating spring 2d3 is arranged on the inside regulating overcoat 2d1, and the two ends of regulating spring 2d3 are resisted against described external jacket universal joint head 2d4 respectively and regulate interior bar 2d2, described external jacket universal joint head 2d4 is connected to described regulating arm holder 2a, described interior bar cross-pin type joint 2d5 connects described adjusting head 2e.
According to an embodiment of the invention, coordinate shown in Fig. 8, Fig. 8 A and Fig. 8 B, described guiding connector 6b comprises guiding axis of rotation 6b1 and guide cam 6b2, one end of described guiding axis of rotation 6b1 connects described guide motor 6a, the other end connects guide cam 6b2, and the outside of described guide cam 6b2 is connected on one end of described leading arm.
Described leading arm has symmetrically arranged first leading arm 6c and the second leading arm 6d, and described guide motor 6a drives described first leading arm 6c and/or the second leading arm 6d in opening or rounding state by described guiding connector 6b.
As shown in Figure 8, guide motor 6a drives the first leading arm 6c to open, and the second leading arm 6d draws in, and now guiding mechanism 6 is in the state that just leads; As shown in Figure 8 A, guide motor 6a drives the first leading arm 6c to draw in, and the second leading arm 6d opens, and now guiding mechanism 6 is in anti-ballistic to state; As shown in Figure 8 B, guide motor 6a drives first and second leading arm 6c, 6d all to draw in, and now guiding mechanism 6 is in rounding state.Wherein, the present embodiment in use its guiding mechanism 6 be with the guiding mechanism shoulder to shoulder of injection well downhole flow regulator with the use of, the state residing for described guiding mechanism 6 is determined by the specification of injection well downhole flow regulator.
The present embodiment is when operating, when guiding mechanism 6 starts to rotate, the regulating arm on tester will be opened, and enters in injection well downhole flow regulator along projected path and dock with the water nozzle of blanking plug, after the guiding of guiding mechanism 6 completes, regulating arm can complete and dock with the water nozzle of blanking plug.Now start sealed electric-motor 5a1, by seal transmission shaft 5a2, cylindrical cam 5a3 and driven projection 5a4, extruding is carried out to sealing leather bag 5b, 5c and reach maximum rating, namely seal best state.
According to an embodiment of the invention, described stratified flow rate test instrument also comprises magnetic locator 9, and described magnetic locator is connected between described cable head 1 and described pressure-temperature sensor 7.
In the present embodiment, during distant between two injection well downhole flow regulators, can not need to use magnetic locator 9, only need can position adjustment to tester by above-mentioned regulating arm device 2; If during close together between two injection well downhole flow regulators, then need to use magnetic locator 9 pairs of testers to position, now can accurately control tester by magnetic locator 9 and dock with blanking plug, accurately locate and realize the zonal testing of lesser calorie distance.
The below of described guiding mechanism 6 is also connected to weighted lever bindiny mechanism 10, and the lower end of weighted lever bindiny mechanism described in described weighted lever bindiny mechanism 10 can be used for connecting weighted lever.In the present embodiment, after weighted lever bindiny mechanism 10 connects weighted lever, instrument can be made successfully to enter in downhole water injection string and to work.
Wherein, connected by slip ring conductive mechanism 11 between sealed electric-motor 5a1 and guide motor 6a.Also be connected by slip ring conductive mechanism 11 between pressure-temperature sensor 7 with control module 8.
The course of work of the present embodiment is described below:
Tester is transferred in water injection well by cable to be needed to survey the interval adjusted, maneuvering and control module 8, to be in open mode by regulating motor 3a to control to adjust arm 2b, control guiding mechanism 6 by guide motor 6a to be in and just to lead or anti-ballistic to state, need to survey the station interval adjusted until tester enters into, now seal executing agency 5a control sealing device and be in sealing state, the adjusting head 2e of regulating arm 2b has docked with blanking plug water nozzle.Then, begin through electromagnetic flowmeter 4b and pressure-temperature sensor 7 gathers signals such as this interval flow, pressure, temperature respectively, by ground after the data analysis of downhole transmitted judges, by regulating arm 2b, blanking plug is regulated, the size of control objectives water injection rate of interval.After this layer of survey tune completes, control sealing device by sealing executing agency 5a and decontrol sealing, and be in collapse state by regulating motor 3a to control to adjust arm 2b, transferring/above carry tester needs the interval surveying tune to carry out survey tune to another, until all interval surveys are adjusted complete, the survey completing each interval of full well is adjusted.
The present embodiment is mainly applicable to bridge-type eccentric separate water injection well.Tester adopts the active sealing structure of two ball (i.e. two sealing devices) and afflux to increase the method for flow velocity, improves the measuring accuracy of the little water yield.The present embodiment can realize individual layer and directly test, and ground controls two ball realizing active sealing, deblocking, substitutes traditional leather cup, and sealing, deblocking are reliable.Improve flow velocity by afflux, meet the little water testing required precision of 5-50m3/d, meet the testing requirement of the little water yields of low-permeability oilfield such as Changqing oilfields, Jilin Oil Field, Daqing Periphery Oilfield.
The foregoing is only several embodiments of the present invention, those skilled in the art according to carrying out various change to the embodiment of the present invention disclosed in application documents, modification or combination and do not depart from the spirit and scope of the present invention.
Claims (10)
1. a low injection allocation amount water injection well layering flow tester, it is characterized in that, described stratified flow rate test instrument comprises:
Cable head, its lower end is connected with pressure-temperature sensor and control module in turn;
Regulating arm device, it includes regulating arm holder and is connected to the regulating arm on described regulating arm holder;
Regulating arm governor motion, it is connected to the top of described regulating arm device, and is positioned at the below of described control module, and described regulating arm governor motion controls opening of described regulating arm and folds;
Electromagnetic flowmeter assembly, it is connected to the below of described regulating arm device, described electromagnetic flowmeter assembly comprises flow main body, electromagnetic flowmeter, fluid course, water inlet and delivery port, described fluid course is arranged on the inside of flow main body, described electromagnetic flowmeter is embedded within flow main body, and outside the middle part being around in described fluid course, described water inlet is positioned at the upper end of fluid course, described delivery port is arranged on the below of flow main body, and is communicated in the lower end of described fluid course;
Sealing mechanism, it is connected to the below of described electromagnetic flowmeter, described sealing mechanism comprises sealing executing agency and at least two sealing devices, and described sealing executing agency drives described sealing device in expansion or shrinks and arranges, and described delivery port is between two sealing devices; Wherein, described sealing executing agency comprises sealed electric-motor, seal transmission shaft, cylindrical cam and driven projection, one end of described seal transmission shaft connects sealed electric-motor, other end connecting cylinder cam, the medial extremity of described driven projection is embedded in the groove of cylindrical cam, the outboard end of driven projection is fixedly connected on described sealing device, and described sealed electric-motor drives cylindrical cam to rotate by seal transmission shaft, and is compression seal or elongation state by described driven projection band dynamic sealing device;
Guiding mechanism, it is connected to the below of sealing mechanism, and described guiding mechanism comprises guide motor, guiding connector and leading arm, and described guide motor connects described leading arm by guiding connector.
2. low injection allocation amount water injection well layering flow tester according to claim 1, it is characterized in that, described sealing device comprises the first sealing device and the second sealing device, and described first sealing device is positioned at the top of the second sealing device;
Described first sealing device comprises fixed cover and first time fixed cover on the first sealing leather bag, first, the upper and lower end of described first sealing leather bag is fixedly connected on the outside of fixed cover and first time fixed cover on described first respectively, on described first, fixed cover is fixedly connected on the outside of described flow main body, and first time fixed cover can slide up and down to the outside being connected to flow main body;
Described second sealing device comprises fixed cover and second time fixed cover on the second sealing leather bag, second, the upper and lower end of described second sealing leather bag is fixedly connected on the outside of fixed cover and second time fixed cover on described second respectively, on described second, fixed cover can slide up and down to the outside being connected to described flow main body, on described second, fixed cover and above-mentioned first time fixed cover are for being rigidly connected, second time fixed cover can slide up and down to the outside being connected to flow main body, and the outboard end of above-mentioned driven projection is fixedly connected on described second time fixed cover.
3. low injection allocation amount water injection well layering flow tester according to claim 1, is characterized in that, described regulating arm governor motion comprises adjustment motor and transmission component, and described adjustment motor connects described regulating arm device by transmission component.
4. low injection allocation amount water injection well layering flow tester according to claim 3, it is characterized in that, described transmission component comprises power transmission shaft, sliding sleeve and cam, one end of described power transmission shaft connects described adjustment motor, the other end successively circumference is permanently connected the cam of described sliding sleeve, and described cam is positioned at the below of sliding sleeve, and the outside of cam is connected on one end of described regulating arm, along with the rotation of cam, the other end of described regulating arm is in opening or folding setting.
5. low injection allocation amount water injection well layering flow tester according to claim 4, it is characterized in that, described transmission component also comprises telescopic component, and by telescopic component, described sliding sleeve and cam can slide up and down along described power transmission shaft.
6. low injection allocation amount water injection well layering flow tester according to claim 3, it is characterized in that, described regulating arm comprises:
A pair righting arm, one of them righting arm is articulated with adjusting head outward;
A regulating connecting rod, described regulating connecting rod has adjustment overcoat, bar and regulating spring in regulating, in described adjustment, bar is movably connected in the inside regulating overcoat, described adjustment overcoat has external jacket universal joint head away from regulating one end of interior bar, in described adjustment, bar has interior bar cross-pin type joint away from regulating one end of overcoat, described regulating spring is arranged on the inside regulating overcoat, and the two ends of regulating spring are resisted against described external jacket universal joint head respectively and regulate interior bar, described external jacket universal joint head is connected to described regulating arm holder, described interior bar cross-pin type joint connects described adjusting head.
7. low injection allocation amount water injection well layering flow tester according to claim 1, it is characterized in that, described guiding connector comprises guiding axis of rotation and guide cam, one end of described guiding axis of rotation connects described guide motor, the other end connects guide cam, and the outside of described guide cam is connected on one end of described leading arm.
8. low injection allocation amount water injection well layering flow tester according to claim 7, it is characterized in that, described leading arm has symmetrically arranged first leading arm and the second leading arm, and described guide motor drives described first leading arm and/or the second leading arm in opening or rounding state by described guiding connector.
9. low injection allocation amount water injection well layering flow tester according to claim 1, it is characterized in that, described stratified flow rate test instrument also comprises magnetic locator, and described magnetic locator is connected between described cable head and described pressure-temperature sensor.
10. low injection allocation amount water injection well layering flow tester according to claim 1, it is characterized in that, the below of described guiding mechanism is also connected to weighted lever bindiny mechanism, and the lower end of described weighted lever bindiny mechanism can be used for connecting weighted lever.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310112326.9A CN103244098B (en) | 2013-04-02 | 2013-04-02 | Low injection allocation amount water injection well layering flow tester |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310112326.9A CN103244098B (en) | 2013-04-02 | 2013-04-02 | Low injection allocation amount water injection well layering flow tester |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103244098A CN103244098A (en) | 2013-08-14 |
| CN103244098B true CN103244098B (en) | 2016-01-13 |
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| CN104314535A (en) * | 2014-08-18 | 2015-01-28 | 哈尔滨工业大学 | Zonal injection allocator with inner magnetic flow meters and butting charge and wireless transmission functions and use method of injection allocator |
| CN104314537A (en) * | 2014-08-18 | 2015-01-28 | 哈尔滨工业大学 | Zonal injection allocator with inner magnetic flow meters and wireless charge and transmission functions and use method of injection allocator |
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| CN110863799A (en) * | 2019-12-11 | 2020-03-06 | 贵州航天凯山石油仪器有限公司 | Electric descaling method and device for oil field water injection well |
| CN111322041A (en) * | 2020-04-14 | 2020-06-23 | 四川省科学城久利电子有限责任公司 | Water distribution device for oil field |
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Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2487867Y (en) * | 2001-06-20 | 2002-04-24 | 黎福长 | In well flow regulator for filling water of oil field by layer |
| CN2707962Y (en) * | 2004-06-28 | 2005-07-06 | 大庆油田有限责任公司 | Test regulator for separated-zone water injection in oil field |
| CN101403297A (en) * | 2008-10-23 | 2009-04-08 | 中国石油化工股份有限公司河南油田分公司石油工程技术研究院 | Direct-reading type oil well delamination pressure gauge |
| CN201460865U (en) * | 2009-07-24 | 2010-05-12 | 长春锐利科技有限公司 | Well logging and regulating instrument of two flow meters arranged from top to bottom |
| CN201620869U (en) * | 2009-10-20 | 2010-11-03 | 大庆油田有限责任公司 | Downhole testing and adjusting instrument with oilfield layered water flooding dual flow meters arranged above and underneath |
| CN102287180A (en) * | 2011-06-24 | 2011-12-21 | 东营市创世石油测试新技术开发有限责任公司 | Self-positioning underground flow metering and adjusting instrument |
| CN202215226U (en) * | 2011-06-24 | 2012-05-09 | 东营市创世石油测试新技术开发有限责任公司 | Down-hole flow measuring and adjusting instrument |
| CN102477854A (en) * | 2010-11-26 | 2012-05-30 | 贵州航天凯山石油仪器有限公司 | Method and device for retracting and extending adjusting arm of flow measuring and adjusting instrument |
| CN202417471U (en) * | 2011-12-22 | 2012-09-05 | 四川省科学城久利电子有限责任公司 | Clutch cam mechanism for bouncing out and taking back adjustable arm of underground measuring and adjusting instrument |
| CN203239320U (en) * | 2013-04-02 | 2013-10-16 | 中国石油天然气股份有限公司 | Layered flowmeter for water injection well with low injection allocation rate |
-
2013
- 2013-04-02 CN CN201310112326.9A patent/CN103244098B/en active Active
Patent Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2487867Y (en) * | 2001-06-20 | 2002-04-24 | 黎福长 | In well flow regulator for filling water of oil field by layer |
| CN2707962Y (en) * | 2004-06-28 | 2005-07-06 | 大庆油田有限责任公司 | Test regulator for separated-zone water injection in oil field |
| CN101403297A (en) * | 2008-10-23 | 2009-04-08 | 中国石油化工股份有限公司河南油田分公司石油工程技术研究院 | Direct-reading type oil well delamination pressure gauge |
| CN201460865U (en) * | 2009-07-24 | 2010-05-12 | 长春锐利科技有限公司 | Well logging and regulating instrument of two flow meters arranged from top to bottom |
| CN201620869U (en) * | 2009-10-20 | 2010-11-03 | 大庆油田有限责任公司 | Downhole testing and adjusting instrument with oilfield layered water flooding dual flow meters arranged above and underneath |
| CN102477854A (en) * | 2010-11-26 | 2012-05-30 | 贵州航天凯山石油仪器有限公司 | Method and device for retracting and extending adjusting arm of flow measuring and adjusting instrument |
| CN102287180A (en) * | 2011-06-24 | 2011-12-21 | 东营市创世石油测试新技术开发有限责任公司 | Self-positioning underground flow metering and adjusting instrument |
| CN202215226U (en) * | 2011-06-24 | 2012-05-09 | 东营市创世石油测试新技术开发有限责任公司 | Down-hole flow measuring and adjusting instrument |
| CN202417471U (en) * | 2011-12-22 | 2012-09-05 | 四川省科学城久利电子有限责任公司 | Clutch cam mechanism for bouncing out and taking back adjustable arm of underground measuring and adjusting instrument |
| CN203239320U (en) * | 2013-04-02 | 2013-10-16 | 中国石油天然气股份有限公司 | Layered flowmeter for water injection well with low injection allocation rate |
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