CN202531143U - Digital underground separate-layer water injection measuring and adjusting process pipe column - Google Patents
Digital underground separate-layer water injection measuring and adjusting process pipe column Download PDFInfo
- Publication number
- CN202531143U CN202531143U CN2012201387484U CN201220138748U CN202531143U CN 202531143 U CN202531143 U CN 202531143U CN 2012201387484 U CN2012201387484 U CN 2012201387484U CN 201220138748 U CN201220138748 U CN 201220138748U CN 202531143 U CN202531143 U CN 202531143U
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- 238000002347 injection Methods 0.000 title claims abstract description 92
- 239000007924 injection Substances 0.000 title claims abstract description 92
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 66
- 238000000034 method Methods 0.000 title claims description 15
- 238000004891 communication Methods 0.000 claims description 15
- 206010055018 Gingival cyst Diseases 0.000 claims description 8
- 210000004907 gland Anatomy 0.000 claims description 8
- 235000020681 well water Nutrition 0.000 claims description 8
- 239000002349 well water Substances 0.000 claims description 8
- 238000009434 installation Methods 0.000 claims description 7
- 239000012530 fluid Substances 0.000 claims description 3
- 210000002445 nipple Anatomy 0.000 claims description 3
- 230000015572 biosynthetic process Effects 0.000 claims description 2
- 238000012360 testing method Methods 0.000 abstract description 46
- 238000005516 engineering process Methods 0.000 abstract description 24
- 229910000831 Steel Inorganic materials 0.000 abstract description 12
- 239000010959 steel Substances 0.000 abstract description 12
- 238000011161 development Methods 0.000 abstract description 2
- 238000009825 accumulation Methods 0.000 abstract 1
- 230000005540 biological transmission Effects 0.000 abstract 1
- 238000009826 distribution Methods 0.000 description 7
- 238000011010 flushing procedure Methods 0.000 description 7
- 238000012544 monitoring process Methods 0.000 description 4
- 230000001105 regulatory effect Effects 0.000 description 4
- 230000003750 conditioning effect Effects 0.000 description 3
- 230000001186 cumulative effect Effects 0.000 description 3
- 238000012546 transfer Methods 0.000 description 3
- 238000004458 analytical method Methods 0.000 description 2
- 238000000151 deposition Methods 0.000 description 2
- 238000005259 measurement Methods 0.000 description 2
- 206010034703 Perseveration Diseases 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010835 comparative analysis Methods 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 208000015181 infectious disease Diseases 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
- 238000003475 lamination Methods 0.000 description 1
- 238000007726 management method Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
- 230000035699 permeability Effects 0.000 description 1
- 238000011084 recovery Methods 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 238000003860 storage Methods 0.000 description 1
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Abstract
The utility model discloses a digital layering water injection testing and adjusting technology tubular column in pit, the purpose can be in the real-time supervision in pit and record single reservoir instantaneous flow and accumulative total injection volume, real-time supervision reservoir pressure and carry out the test of close well layering pressure drop in the pit and carry out the two-way transmission of underground and ground data and instruction through wireless mode. The utility model discloses the technology tubular column uses oil pipe connection's multistage digital water injection mandrel and Y344 type water injection packer to constitute, compares with water injection mandrel and packer that present separate layer water injection used, has left out the steel wire test and the allotment of flow, can be simultaneously in real-time supervision in the pit with record individual layer instantaneous flow and accumulative total injection volume, real-time supervision reservoir pressure carries out the well shut-in layering pressure test in the pit. The utility model discloses the supporting test of oil field layering water injection well and pressure drop well testing work load can be practiced thrift greatly to the tubular column, provides true reliable individual layer accumulation water injection volume, provides reliable foundation for the technical policy adjustment of oil field development.
Description
Technical field
The utility model relates to a kind of digital laminated distributor under well water filling and surveys the accent process pipe string, belongs to the water flooding technical field.
Background technology
At present, domestic oil field mainly adopts the seperated layer water injection mode to develop, and ripe separate zone waterflooding technology comprises that mainly hollow branch notes technology, concentric integrated branch notes technology, conventional eccentric notes technology and the bridge-type eccentric of dividing divide the notes technology.Ripe supporting survey conditioning technology mainly contains steel wire operation and surveys conditioning technology and wireline operation survey conditioning technology.The technology of annotating hollow branch adopts hollow distributor to carry out a layer water distribution, adopts steel wire operation to carry flow meter test flow, and the water nozzle that is installed on the central passage water distributing core through replacing carries out Flow-rate adjustment.Limited by its process, will pull the upper strata water distributing core earlier out when changing lower floor's water nozzle, therefore, the pulling workload sharply increases with the increase of separate injection layer number, is not suitable for the too much well of layering.Concentric integrated water distribution technology adopts the integrated form injection well downhole flow regulator to carry out the layering water distribution, and steel wire operation carries flow meter test flow, through changing the water distributing core regulating pondage.More than two kinds of branches annotate technology and can only close lamination and fall test.Conventional off-centre divides the technology of notes to adopt eccentric injection mandrel layering water distribution, and the employing steel wire carries the flow meter test and transposing pulling eccentric water distribution plug water nozzle is allocated, and also can adopt cable to carry downhole measurement adjusting instrument, real-time testing and allotment flow.The conventional eccentric notes technology of dividing can adopt steel wire to deliver inclined to one side hole plug formula pressure gauge test zonal pressure.The technology of notes of dividing bridge-type eccentric adopts the bridge-type eccentric injection well downhole flow regulator to carry out the layering water distribution.When steel wire carries the flow meter test, both can adopt the non-collective flow mode also can adopt current collection mode, allocate through transposing pulling eccentric water distribution plug water nozzle.The notes technology of dividing bridge-type eccentric also can adopt cable to carry downhole measurement adjusting instrument, real-time testing and allotment flow.The notes technology of dividing bridge-type eccentric both can adopt steel wire to deliver inclined to one side hole plug formula pressure gauge test zonal pressure, also can adopt steel wire to deliver central passage testing seal section mode and test the instant shut-in zonal pressure.
Reach a conclusion through above-mentioned analysis: at present, the branch of domestic application is annotated technology and is all inevitably carried out test of steel wire or wireline operation and allotment flow; Individual layer water filling situation under the testing well no longer after single allotment finishes, allocate qualified after, the continuous and effective phase is shorter; The layering pressure fall-off test unavoidably will be carried out the wire Launching and Bailing operation, and reliability is low; Various branches are annotated technology all can't realize monitoring the individual layer cumulative injection, and it is dynamic accurately to analyze substratum; Divide the notes technology all to adopt Y341 type packer, can't reuse, bad to deep-well and depositing well compliance.
Along with the increasing of domestic High Water Cut Reservoir, LOW PERMEABILITY RESERVOIR and ultralow oil impregnate Tibetan exploitation scale, increasingly high to the requirement of water injection technology level, increasing to the difficulty of reservoir understanding.Divide the notes technical level in order to improve reservoir, improve operating efficiency, need carry out fine monitoring and analysis to reservoir, and present branch notes technology can't meet the demands.
Summary of the invention
The purpose of the utility model is to provide a kind of digital laminated distributor under well water filling to survey and transfers process pipe string; It can be monitored in the down-hole and record reservoir instantaneous delivery and accumulative total injection rate in real time; Monitor reservoir pressure in real time and carry out downhole closing layering pressure fall-off test, and carry out the bi-directional of down-hole and ground data and instruction through wireless mode.
The concrete technical scheme of the utility model is following:
The utility model tubing string is that employing is master's a process pipe string with digital injection well downhole flow regulator and Y344 type water injection packer, and it is by being connected in sequence from top to bottom with lower component:
Oil pipe+digital injection well downhole flow regulator+the oil pipe of one-level water injection packer+oil pipe+one-level+secondary water injection packer+oil pipe+two-stage digital formula injection well downhole flow regulator+oil pipe+three grades water injection packer+oil pipe+three stages of digital formula injection well downhole flow regulator+anti-overflow ball-and-seats and eye pipe assembly.
Intracardiac pipe in connecting between the top connection of digital injection well downhole flow regulator and the lower contact, and connect urceolus by seal nipple, in intracardiac pipe be communicated with the centre bore of top connection and lower contact, formation fluid course;
Top connection connects pressure tester, central controller, flow meter upper end and the flow-controlling meter of gathering each association; Flow-controlling meter be located at urceolus with in the annular space that forms of intracardiac pipe; Be provided with the adjusting yoke that connects micromachine in its pull bar urceolus; The pull bar urceolus is provided with flow outlet and flow inlet, and micromachine connects battery pack;
Lower contact connects meter flow lower end, electric supply installation and communication antenna.Central controller connects pressure tester, flow-controlling meter, flow meter, electric supply installation and communication antenna simultaneously.
Connect envelope on the water injection packer and connect down and be connected with the central tube that sets pressure guide hole between envelope; Central tube be provided with outward with on connect the envelope screwed connection deblocking pilot borehole jack; Deblocking pilot borehole jack below is provided with the seal of band seal inner core, and the seal below is provided with the cylinder sleeve that sets that connects urceolus.Set to be provided with in the cylinder sleeve and sit the deblocking piston, its lower end screwed connection is provided with the big envelope of separating of deblocking shear pin and outer gingival cyst of mucous gland in the newborn button, separates the fastening pawl that sets that the big envelope peripheral hardware has that the interior gingival cyst of mucous gland in the newborn of band is buckled and connection urceolus.Urceolus connects envelope under connecting.
The beneficial effect of the utility model tubing string is following:
One, the digital laminated distributor under well injection allocation tubing string that the utility model designed has omitted to divide annotates well steel wire or wireline test allotment construction, has practiced thrift a large amount of manpowers and material resources, has realized reservoir water filling real-time testing and allotment simultaneously, and injection allocation is meticulousr.
Two, digital laminated distributor under well injection allocation tubing string can be monitored reservoir pressure in real time, when digital injection well downhole flow regulator cuts out fully, can directly carry out the test of downhole closing zonal pressure, the operation of having omitted the wire Launching and Bailing tester.Do not influence the normal water filling of other layer during single-interval test simultaneously.
Three, digital laminated distributor under well injection allocation tubing string has been realized the real-time monitoring of and cumulative injection instantaneous to each injection allocation layer, for the oil reservoir precision management provides important means.
Four, digital laminated distributor under well injection allocation tubing string carries communication Instrument through the wireline operation mode, can realize the wireless interaction on down-hole and ground, can read the data of digital injection well downhole flow regulator storage at any time, and can send the instruction of injection allocation adjustment, well testing test to it.
Five, novel Y 344 water injection packers have been realized the hydraulic pressure deblocking, and the deblocking power of packer when having reduced deep-well and depositing reduces operating risk.Adopt the mode well-flushing of deblocking, well-flushing is more thorough.
The utility model is that digital injection well downhole flow regulator of employing and Y344 type water injection packer are main process pipe string; Compare with packer with the injection well downhole flow regulator that present seperated layer water injection is used; The steel wire test and allotment of flow have been omitted; Can monitor in real time in the down-hole and record individual layer instantaneous delivery and accumulative total injection rate, can monitor reservoir pressure in real time and carry out the test of downhole closing zonal pressure.The utility model tubing string has been practiced thrift supporting test of separated-zone water infection oil field well and pressure fall-off test workload greatly, and true and reliable individual layer cumulative water injected is provided, for the adjustment of the technical policy of oil field development provides reliable basis.
Description of drawings
Fig. 1 is that accent process pipe string structural representation is surveyed in digital laminated distributor under well water filling.
Fig. 2 and 3 is that digital injection well downhole flow regulator structural representation in the accent process pipe string is surveyed in digital laminated distributor under well water filling.
Fig. 4 is that water injection packer structural representation in the accent process pipe string is surveyed in digital laminated distributor under well water filling.
The specific embodiment
Embodiment:
With reference to Fig. 1 the embodiment of the utility model is further specified:
The utility model is that employing is master's a process pipe string with digital injection well downhole flow regulator and Y344 type water injection packer, and it is by being connected in sequence from top to bottom with lower component:
The digital injection well downhole flow regulator 3+ of oil pipe 1+ one-level water injection packer 2+ oil pipe 1+ one-level oil pipe 1+ secondary water injection packer 4+ oil pipe 1+ two-stage digital formula injection well downhole flow regulator 5+ oil pipe 1+ three grades of water injection packer 6+ oil pipe 1+ three stages of digital formula injection well downhole flow regulator 7+ anti-overflow ball-and-seats and eye pipe assembly 8.
Intracardiac pipe 25 in connecting between the top connection 9 of digital injection well downhole flow regulator and the lower contact 10, and connect urceolus 16 by seal nipple 18, in intracardiac pipe 25 be communicated with the centre bore of top connections 9 and lower contact 10, form fluid course 17;
Top connection 9 connects pressure tester 11, central controller 12, flow meter 14 upper ends and the flow-controlling meter 13 of gathering each association; Flow-controlling meter 13 be located at urceolus 16 and in the annular space of 25 of intracardiac pipes; Be provided with the adjusting yoke 22 that connects micromachine 24 in its pull bar urceolus 23; Pull bar urceolus 23 is provided with flow outlet 20 and flow inlet 21, and micromachine 24 connects battery pack 26;
The operating principle of digital injection well downhole flow regulator:
Flow gets into flow meter 14 bottoms through central passage 17, and the entrance and exit through flow regulator 13 after test gets into annular space.Micromachine 24 drive adjusting yokes 22 move axially in the flow-controlling meter 13, move thereby drive water nozzle 19, adjust flow through the size of regulating inlet.Reach annular pressure in pressure tester 11 tests and the record oil pipe 1, flow meter 14 test traffics, communication antenna 27 carries out radio communication with communication Instrument and transmits information, and electric supply installation 15 provides work capacity for system.
Connect envelope 28 on the water injection packer and connect 40 of envelopes down and be connected with the central tube 30 that sets pressure guide hole 38; Central tube 30 is outer be provided with on connect the deblocking pilot borehole jack 29 of envelope 28 screwed connections; Deblocking pilot borehole jack 29 belows are provided with the seal 31 of band seal inner core 32, seal 31 belows be provided with connect urceolus 39 set cylinder sleeve 33.Set to be provided with in the cylinder sleeve 33 and sit deblocking piston 34, what its lower end screwed connection was provided with deblocking shear pin 37 and outer gingival cyst of mucous gland in the newborn button separates big envelope 35, separates the fastening pawls 36 that set of outer that be provided with that gingival cyst of mucous gland in the newborn is buckled in the band and the connection urceolus 39 of big envelope 35.Under connecting, urceolus 39 connects envelope 40.
The operating principle of water injection packer:
When setting; The oil internal pressure gets into seat deblocking piston 34 bottoms through setting pressure guide hole 38; Promote that it is up, drive and set cylinder sleeve 33, set fastening pawl 36 and urceolus 39 moves up, compressive seal 31 outwards expands and the sealing oil sets annular space; Set fastening pawl 36 simultaneously and buckle engagement, stop to set cylinder sleeve 33 resiliences with the gingival cyst of mucous gland in the newborn of separating big envelope 35.
During deblocking, pressurization in the annular space, pressure is passed to the upper surface of sitting deblocking piston 34 through deblocking pilot borehole jack 29 and promotes that it is descending; When sitting deblocking piston 34 and setting fastening pawl 36 tops when contacting; Can force to set fastening pawl 36 and expand laterally, itself and the deduction of points of falling the gingival cyst of mucous gland in the newborn of separating big envelope 35 tops are left, set cylinder sleeve 33 at this moment and move down; Seal 31 reclaims the packer deblocking.Make the packer deblocking during anti-flushing well earlier, can carry out anti-flushing well then, well-flushing finishes back oil pipe pressurization packer and sets again, changes normal water filling over to.
The digital laminated distributor under well water filling of the utility model is surveyed and is transferred the concrete method for using of process pipe string following:
Be lowered to the drifting of the utility model Flushing tubular column to the artificial bottom of a well, use the active water well-flushing.On ground digital injection well downhole flow regulator instructed and to preset, set each injection well downhole flow regulator injection allocation amount, beginning water injection time, begin to survey between timing, survey accent cycle, monitoring periods, close the motorized adjustment water nozzle simultaneously.Adopt oil pipe 1 that the utility model tubing string is arrived design attitude down.Behind the oil pipe 1 pressurization packer setting, prepare to test envelope and flow allocating.Testing before the envelope digital injection well downhole flow regulators at different levels opens the motorized adjustment water nozzle automatically and carries out water filling.At first close first order injection well downhole flow regulator 3 when testing envelope, well head carries out the pressure excitement, with the injection well downhole flow regulator 3 test oil pipe 1 and the annular space internal pressures of closing.Successively each grade injection well downhole flow regulator is operated equally, behind the EOT, carried communication Instrument near each injection well downhole flow regulator with cable, adopt wireless communication mode to reclaim and tests the seal pressure data, the ground playback changes normal water filling over to after testing the involution lattice.
After water filling was normal, the test and the adjusting of flow were carried out in the injection allocation instruction that digital injection well downhole flow regulator presets before according to completion.Digital injection well downhole flow regulator is at first tested the flow through water nozzle 19; Central controller 12 is flow value that records and the injection allocation amount contrast of presetting, if the flow-rate ratio injection allocation amount that records is big, 12 processes of central controller are calculated and sent regulating command to governor motion; Governor motion is turned water nozzle down, reduces flow.Test traffic again after regulate finishing is carried out flow comparative analysis and water nozzle again and is regulated, perseveration like this, realize at last reservoir by the water filling of injection allocation amount.When the injection allocation amount need be adjusted; Instruct and preset in the face of communication Instrument on ground, be lowered to instrument near the digital injection well downhole flow regulator through cable, instrument connects with wireless mode and digital injection well downhole flow regulator; Carry out transfer of data, the instruction that changes the injection allocation amount passes to injection well downhole flow regulator.Digital injection well downhole flow regulator carries out Flow-rate adjustment according to the new injection allocation amount that receives, and realizes the change of reservoir injection allocation amount.
During normal water filling, digital injection well downhole flow regulator is regularly tested and record down-hole pressure, tests each layer instantaneous delivery simultaneously and accumulates, and writes down the total water injection rate of each layer, regularly carries out the data recovery according to the production needs.During the layering pressure fall-off test, digital injection well downhole flow regulator instructs according to communication Instrument and cuts out electronic water nozzle, test and interior, the annular space internal pressure data of record oil pipe.After preparatory time completion test, the pressure data of record transfers to ground through communication Instrument.
Claims (1)
1. a digital laminated distributor under well water filling is surveyed and is transferred process pipe string, it is characterized in that:
This tubing string is by being connected in sequence from top to bottom with lower component:
Oil pipe (1)+one-level water injection packer (2)+oil pipe (the 1)+digital injection well downhole flow regulator of one-level (3)+oil pipe (1)+secondary water injection packer (4)+oil pipe (1)+two-stage digital formula injection well downhole flow regulator (5)+oil pipe (1)+three grade water injection packer (6)+oil pipe (1)+three stages of digital formula injection well downhole flow regulator (7)+anti-overflow ball-and-seat and eye pipe assembly (8);
Intracardiac pipe (25) in connecting between top connection of digital injection well downhole flow regulator (9) and the lower contact (10), and connect urceolus (16) by seal nipple (18), in intracardiac pipe (25) be communicated with the centre bore of top connection (9) and lower contact (10), formation fluid course (17);
Top connection (9) connects pressure tester (11), central controller (12), flow meter (14) upper end and the flow-controlling meter (13) of gathering each association; Flow-controlling meter (13) be located at urceolus (16) and in the annular space that forms of intracardiac pipe (25); Be provided with the adjusting yoke (22) that connects micromachine (24) in its pull bar urceolus (23); Pull bar urceolus (23) is provided with flow outlet (20) and flow inlet (21), and micromachine (24) connects battery pack (26);
Lower contact (10) connects meter flow (14) lower end, electric supply installation (15) and communication antenna (27); Central controller (12) connects pressure tester (11), flow-controlling meter (13), flow meter (14), electric supply installation (15) and communication antenna (27) simultaneously;
Connect envelope (28) on the water injection packer and connect down and be connected with the central tube (30) that sets pressure guide hole (38) between envelope (40); Central tube (30) is outer be provided with on connect the deblocking pilot borehole jack (29) of envelope (28) screwed connection; Deblocking pilot borehole jack (29) below is provided with the seal (31) of band seal inner core (32), seal (31) below be provided with connect urceolus (39) set cylinder sleeve (33); Set to be provided with in the cylinder sleeve (33) and sit deblocking piston (34), what its lower end screwed connection was provided with deblocking shear pin (37) and outer gingival cyst of mucous gland in the newborn button separates big envelope (35), separate big envelope (35) outer be provided with that the interior gingival cyst of mucous gland in the newborn of band is buckled and connection urceolus (39) set fastening pawl (36); Urceolus (39) connects envelope (40) under connecting.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012201387484U CN202531143U (en) | 2012-04-05 | 2012-04-05 | Digital underground separate-layer water injection measuring and adjusting process pipe column |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012201387484U CN202531143U (en) | 2012-04-05 | 2012-04-05 | Digital underground separate-layer water injection measuring and adjusting process pipe column |
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| CN202531143U true CN202531143U (en) | 2012-11-14 |
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| CN2012201387484U Expired - Lifetime CN202531143U (en) | 2012-04-05 | 2012-04-05 | Digital underground separate-layer water injection measuring and adjusting process pipe column |
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Cited By (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103362486A (en) * | 2012-04-05 | 2013-10-23 | 中国石油天然气股份有限公司 | Digital underground separate-layer water injection measuring and adjusting process pipe column and operation method thereof |
| CN103993864A (en) * | 2013-02-20 | 2014-08-20 | 大庆国电海天科技有限公司 | Underground electric adjustable water injection nozzle of oil field water injection well |
| CN103993865A (en) * | 2013-02-20 | 2014-08-20 | 大庆国电海天科技有限公司 | Remote measurement and control method for oil field water injection well |
| CN103995543A (en) * | 2013-02-20 | 2014-08-20 | 大庆国电海天科技有限公司 | Regulation and control method of underground layered injection volume of water injection well at oil field |
| CN104514540A (en) * | 2013-09-27 | 2015-04-15 | 中国石油天然气股份有限公司 | Bridge type eccentric separated injection electric seal checking method |
| CN105332677A (en) * | 2015-11-06 | 2016-02-17 | 中国石油天然气股份有限公司 | Cable direct control type water distribution system |
| CN105464642A (en) * | 2015-12-16 | 2016-04-06 | 中国石油天然气股份有限公司 | Flow monitoring device of intelligent water distributor of integrated vortex shedding flowmeter |
| CN107313764A (en) * | 2017-07-19 | 2017-11-03 | 西安思坦仪器股份有限公司 | Cable-free type producing well regulating multi-zone production rate device and method |
| CN108121369A (en) * | 2017-12-20 | 2018-06-05 | 中国石油天然气股份有限公司 | Intelligent water injection remote control device and method |
| CN113374458A (en) * | 2021-07-07 | 2021-09-10 | 中国石油化工股份有限公司 | Intelligent stratified water injection device |
| CN114109329A (en) * | 2021-12-01 | 2022-03-01 | 东北石油大学 | Injection-production same-well device and injection-production same-well system |
| CN116733428A (en) * | 2023-08-16 | 2023-09-12 | 黑龙江港岛科技有限公司 | Underground intelligent control type integrated injection allocation device |
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2012
- 2012-04-05 CN CN2012201387484U patent/CN202531143U/en not_active Expired - Lifetime
Cited By (19)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103362486B (en) * | 2012-04-05 | 2016-04-06 | 中国石油天然气股份有限公司 | Digital underground separate-layer water injection measuring and adjusting process pipe column and operation method thereof |
| CN103362486A (en) * | 2012-04-05 | 2013-10-23 | 中国石油天然气股份有限公司 | Digital underground separate-layer water injection measuring and adjusting process pipe column and operation method thereof |
| CN103993864A (en) * | 2013-02-20 | 2014-08-20 | 大庆国电海天科技有限公司 | Underground electric adjustable water injection nozzle of oil field water injection well |
| CN103993865A (en) * | 2013-02-20 | 2014-08-20 | 大庆国电海天科技有限公司 | Remote measurement and control method for oil field water injection well |
| CN103995543A (en) * | 2013-02-20 | 2014-08-20 | 大庆国电海天科技有限公司 | Regulation and control method of underground layered injection volume of water injection well at oil field |
| CN104514540B (en) * | 2013-09-27 | 2017-03-15 | 中国石油天然气股份有限公司 | Bridge type eccentric separated injection electric seal checking method |
| CN104514540A (en) * | 2013-09-27 | 2015-04-15 | 中国石油天然气股份有限公司 | Bridge type eccentric separated injection electric seal checking method |
| CN105332677A (en) * | 2015-11-06 | 2016-02-17 | 中国石油天然气股份有限公司 | Cable direct control type water distribution system |
| CN105464642B (en) * | 2015-12-16 | 2018-10-16 | 中国石油天然气股份有限公司 | Flow monitoring device of intelligent water distributor of integrated vortex shedding flowmeter |
| CN105464642A (en) * | 2015-12-16 | 2016-04-06 | 中国石油天然气股份有限公司 | Flow monitoring device of intelligent water distributor of integrated vortex shedding flowmeter |
| CN107313764A (en) * | 2017-07-19 | 2017-11-03 | 西安思坦仪器股份有限公司 | Cable-free type producing well regulating multi-zone production rate device and method |
| CN107313764B (en) * | 2017-07-19 | 2024-02-02 | 西安思坦仪器股份有限公司 | Cable-free oil extraction well layered production allocation device and method |
| CN108121369B (en) * | 2017-12-20 | 2023-10-27 | 中国石油天然气股份有限公司 | Intelligent water injection remote control device and method |
| CN108121369A (en) * | 2017-12-20 | 2018-06-05 | 中国石油天然气股份有限公司 | Intelligent water injection remote control device and method |
| CN113374458A (en) * | 2021-07-07 | 2021-09-10 | 中国石油化工股份有限公司 | Intelligent stratified water injection device |
| CN114109329B (en) * | 2021-12-01 | 2022-10-04 | 东北石油大学 | Injection-production same-well device and injection-production same-well system |
| CN114109329A (en) * | 2021-12-01 | 2022-03-01 | 东北石油大学 | Injection-production same-well device and injection-production same-well system |
| CN116733428A (en) * | 2023-08-16 | 2023-09-12 | 黑龙江港岛科技有限公司 | Underground intelligent control type integrated injection allocation device |
| CN116733428B (en) * | 2023-08-16 | 2023-11-14 | 黑龙江港岛科技有限公司 | Underground intelligent control type integrated injection allocation device |
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