CN104179484A - Internal magnetic flowmeter type intelligent recoverable injection allocation device - Google Patents

Internal magnetic flowmeter type intelligent recoverable injection allocation device Download PDF

Info

Publication number
CN104179484A
CN104179484A CN201410406460.4A CN201410406460A CN104179484A CN 104179484 A CN104179484 A CN 104179484A CN 201410406460 A CN201410406460 A CN 201410406460A CN 104179484 A CN104179484 A CN 104179484A
Authority
CN
China
Prior art keywords
lateral wall
magnetic flowmeter
connector
cable
sleeved
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
CN201410406460.4A
Other languages
Chinese (zh)
Other versions
CN104179484B (en
Inventor
李隆球
周德开
符兴宇
王武义
宋文平
李天龙
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Harbin Institute of Technology
Original Assignee
Harbin Institute of Technology
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Harbin Institute of Technology filed Critical Harbin Institute of Technology
Priority to CN201410406460.4A priority Critical patent/CN104179484B/en
Publication of CN104179484A publication Critical patent/CN104179484A/en
Application granted granted Critical
Publication of CN104179484B publication Critical patent/CN104179484B/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Landscapes

  • Measuring Volume Flow (AREA)

Abstract

The invention relates to an injection allocation device, in particular to an internal magnetic flowmeter type intelligent recoverable injection allocation device and aims to solve the problems that according to an existing eccentric injection allocation device adopted by oil field polymer injection wells, the injection quantity cannot be adjusted continuously, the injection cannot be performed accurately and the tightness effect is bad. The device comprises an upper connecting member, an upper cable member, a needle inserting member, a needle inserting bridging member, a needle inserting locking nut, a motor housing, a bearing housing, a connector, an upper outer housing, a lower connecting member, a central tube, a bearing group ejecting wire, a rigid connecting joint, a rotation prevention member, a middle cable joint component, an upper cable joint component, a coupling connecting rod, a vehicle type seal mounting frame, a bearing component, a vehicle-type seal, a pressure sensor, a motor, a plug, a cable joint, a screw, a second internal magnetic flowmeter, a first internal magnetic flowmeter, a wireless transmitting module and a wireless charging module. The device is applied to the field of the oil fields.

Description

A kind of interior magnetic flowmeter formula intelligence can pulling distributor
Technical field
The present invention relates to a kind of distributor, being specifically related to a kind of interior magnetic flowmeter formula intelligence can pulling distributor.
Background technology
The energy is lifeline to develop national economy, be the original power that promotes national economic development, and oil forms as the wherein most crucial energy, and its strategic importance and economic worth are self-evident.At present, China's In Oil Field Exploration And Development experiences semicentennial development, and the main producing region of national oil---the oil fields such as grand celebration, triumph have progressively entered high water-cut stage, and partially aqueous rate is up to more than 90%.Therefore, the secondary oil recovery technology that the water flood recovery of take is core is progressively walked to be at the end, and the impact of oil recovery is progressively weakened.In order to guarantee national strategy material, energy reserves and economy development requirement, keep grand celebration to produce the core objective of 4,000 thousand ten thousand tons per year, must greatly develop tertiary oil recovery technology.This is wherein obvious with the oil displacement efficiency of ternary oil recovery, should widely popularize.
But meanwhile,, due to the unique geologic property of ter-polymers to the special physico-chemical character such as the contaminative on stratum and corrosive pipeline and Different Strata, make the extensively general method for implanting of tradition be unsuitable for ter-polymers and inject.First, general injection cannot be injected as required for different strata condition, thereby causes a large amount of ter-polymers wastes; Secondly, unnecessary ter-polymers injects not only bad for oil displacement efficiency, also can cause a large amount of formation contaminants.Therefore, how utilizing efficiently ter-polymers is the key point that solves ter-polymers application.According to the technological accumulation of oil extraction in oil field, layering is injected, and layering control technique is to solve the efficient best mode injecting, and therefore, need greatly develop the layering control technique of ter-polymers.But because binary polymerization viscosity is large, corrosivity is strong, traditional water drive regulative mode device that easily results in blockage stops up, and to regulate and control pulling difficulty large at every turn, and workload is strong, and therefore, pulling regulation and control---measurement and adjustment instrument is not also suitable for the layering regulation and control of ter-polymers.
Summary of the invention
The present invention, for solving existing oilfield injection compound well eccentric flow regulator used, can not realize continuous adjusting injection rate, cannot accurately inject and seal the problem differing from, so a kind of interior magnetic flowmeter formula intelligence is proposed can pulling distributor.
The present invention addresses the above problem the technical scheme of taking to be: the present invention includes top connection body, upper cable body, pin body, contact pin bridgeware, contact pin locking nut, electric machine casing, bear box, connector, upper shell body, lower contact body, center tubes, bearing group jackscrew, rigid coupling, anti-turning, intermediate cable adapter assembly, upper cable connector assembly, axial organ connecting rod, car formula sealing installing rack, bearing assembly, the sealing of car formula, pressure sensor, motor, blanking plug, cable joint body, leading screw, the second interior magnetic flowmeter, the first interior magnetic flowmeter, wireless transport module and wireless charging module, connector, center tubes from top to bottom sets gradually, and the upper end of center tubes is inserted in the lower end of connector, upper cable body, pin body, electric machine casing, bear box is from top to bottom sleeved on the lateral wall of connector successively, upper shell body, lower contact body is sleeved on the lateral wall of center tubes from top to bottom successively, top connection body is sleeved on the upper end of connector, pin body is arranged in the first annular housing of pin body by contact pin bridgeware, the top of pressure sensor is inserted in the second annular housing of electric machine casing, the bottom of pressure sensor is inserted in the 3rd annular housing of bear box, the first annular housing, the second annular housing, the 3rd annular housing forms outer chamber, motor, anti-turning, rigid coupling, axial organ connecting rod, leading screw, blanking plug is from top to bottom successively set in described outer chamber, anti-turning is arranged on motor, the turning cylinder of motor is connected with the upper end of axial organ connecting rod by rigid coupling, the lower end of axial organ connecting rod is connected with the upper end of leading screw, the lower end of leading screw is connected with the upper end of blanking plug, and the sealing of car formula is sleeved on the lateral wall of leading screw by car formula sealing installing rack, and bearing assembly is sleeved on the lateral wall of leading screw, and bearing assembly is positioned at the top of car formula sealing, intermediate cable adapter assembly, upper cable connector assembly, cable joint body is from top to bottom successively set in center tubes, the first interior magnetic flowmeter, wireless transport module and wireless charging module are from top to bottom sleeved on the lateral wall of top connection body successively, and the second interior magnetic flowmeter is sleeved on the lateral wall of lower contact body lower end.
The invention has the beneficial effects as follows: the present invention drives leading screw to rotate by motor, leading screw drives the spool continuous moving in upper shell body and lower outside housing in dropping in and taking off type blanking plug, motion due to spool, taphole pressure is changed, by inlet pressure sensor, survey the pressure of liquid feeding end, by outlet pressure sensor, measure the pressure of taphole, by circuit board, carry out transfer of data again, finally by aboveground data processing, controlling in time motor adjusts mouth pressure and adjusts injection rate, realize accurately and injecting, meanwhile, system is surveyed the flow of influent with the first interior magnetic flowmeter, the flow that the second interior magnetic flowmeter is surveyed trickle carries out transfer of data by circuit board simultaneously and carries out aboveground data processing and control in time motor adjusting exit velocity, more accurately control and inject, accurately inject and be enhanced about more than once than prior art, thereby realize the continuous adjusting of injection rate.The present invention has good sealing not put, and can guarantee that motor, circuit board etc. locate not have solution to enter, and good sealing effect, can normally work motor and circuit.
Accompanying drawing explanation
Fig. 1 is overall structure schematic diagram of the present invention, Fig. 2 be in Fig. 1 A-A to sectional view, Fig. 3 be in Fig. 1 B-B to sectional view, Fig. 4 be in Fig. 1 C-C to sectional view, Fig. 5 be in Fig. 1 D-D to sectional view, Fig. 6 be in Fig. 1 E-E to sectional view, Fig. 7 is that in Fig. 1, F-F is to sectional view, and Fig. 8 is that in Fig. 6, J-J is to sectional view, and Fig. 9 is the structural representation of connector, Figure 10 is the main sectional view of rotatory sealing axle module, and Figure 11 is the annexation schematic diagram of leading screw dropping in and taking off type blanking plug.
The specific embodiment
The specific embodiment one: in conjunction with Fig. 1 to Figure 11, present embodiment is described, a kind of interior magnetic flowmeter formula intelligence can comprise top connection body 1 by pulling distributor described in present embodiment, upper cable body 2, pin body 3, contact pin bridgeware 4, contact pin locking nut 5, electric machine casing 6, bear box 7, connector 8, upper shell body 9, lower contact body 10, center tubes 11, bearing group jackscrew 12, rigid coupling 13, prevent turning 14, intermediate cable adapter assembly 15, upper cable connector assembly 16, axial organ connecting rod 17, car formula sealing installing rack 18, bearing assembly 19, car formula sealing 20, pressure sensor 21, motor 22, blanking plug 23, cable joint body 24, leading screw 26, the second interior magnetic flowmeter 27, the first interior magnetic flowmeter 28, wireless transport module 29 and wireless charging module 30, connector 8, center tubes 11 from top to bottom sets gradually, and the upper end of center tubes 11 is inserted in the lower end of connector 8, upper cable body 2, pin body 3, electric machine casing 6, bear box 7 is from top to bottom sleeved on the lateral wall of connector 8 successively, upper shell body 9, lower contact body 10 is sleeved on the lateral wall of center tubes 11 from top to bottom successively, top connection body 1 is sleeved on the upper end of connector 8, pin body 3 is arranged in the first annular housing 3-1 of pin body 3 by contact pin bridgeware 4, the top of pressure sensor 21 is inserted in the second annular housing 6-1 of electric machine casing 6, the bottom of pressure sensor 21 is inserted in the 3rd annular housing 7-1 of bear box 7, the first annular housing 3-1, the second annular housing 6-1, the 3rd annular housing 7-1 forms outer chamber, motor 22, prevent turning 14, rigid coupling 13, axial organ connecting rod 17, leading screw 26, blanking plug 23 is from top to bottom successively set in described outer chamber, anti-turning 14 is arranged on motor 22, the turning cylinder of motor 22 is connected with the upper end of axial organ connecting rod 17 by rigid coupling 13, the lower end of axial organ connecting rod 17 is connected with the upper end of leading screw 26, the lower end of leading screw 26 is connected with the upper end of blanking plug 23, the sealing 20 of car formula is sleeved on the lateral wall of leading screw 26 by car formula sealing installing rack 18, bearing assembly 19 is sleeved on the lateral wall of leading screw 26, and bearing assembly 19 is positioned at the top of car formula sealing 20, intermediate cable adapter assembly 15, upper cable connector assembly 16, cable joint body 24 is from top to bottom successively set in center tubes 11, the first interior magnetic flowmeter 28, wireless transport module 29 and wireless charging module 30 are from top to bottom sleeved on the lateral wall of top connection body 1 successively, and the second interior magnetic flowmeter 27 is sleeved on the lateral wall of lower contact body 10 lower ends.
Motor 22 in present embodiment, anti-ly turn 14, rigid coupling 13, axial organ connecting rod 17, leading screw 26, blanking plug 23, car formula sealing 20, car formula sealing installing rack 18 form rotatory sealing axle modules.
The installation of cable in present embodiment: cable from power on the 3rd cable aperture of cable body 2 penetrates, the first cable aperture the 3rd pin holes that the kidney slot between the gap in pin body 3, the 3rd pin holes and the 3rd cable aperture enters upper cable body 2 again through pin body 3, the first pin holes through pin body 3 is divided into two-way again, one tunnel the 4th cable aperture, the 5th cable aperture, finally by the 6th cable aperture, stretched out, another road is connected with motor 22, circuit board, outlet pressure sensor, inlet pressure sensor 21, and cable is delivered to ground installation by measurement the data obtained.
The specific embodiment two: present embodiment is described in conjunction with Fig. 1, described in present embodiment, a kind of interior magnetic flowmeter formula intelligence can also comprise a plurality of sealing rings 25 by pulling distributor, between the lateral wall of the lateral wall of top connection body 1 lower end and upper cable body 2 upper ends, be provided with two sealing rings 25, between the inside wall of the lateral wall of contact pin bridgeware 4 and the first annular housing 3-1, be provided with two sealing rings 25, between the lateral wall of the lateral wall of pin body 3 lower ends and electric machine casing 6 upper ends, be provided with two sealing rings 25, between the lateral wall of the inside wall of electric machine casing 6 lower ends and bear box 7 upper ends, be provided with two sealing rings 25, between the lateral wall of the inside wall of bear box 7 lower ends and connector 8 bottoms, be provided with two sealing rings 25, between the lateral wall of upper shell body 9 upper ends and the inside wall of connector 8 lower ends, be provided with two sealing rings 25.Other composition and annexation are identical with the specific embodiment one.
Operating principle
Polymer solution is entered by top connection, under the inner chamber of the first centre bore, center tubes 11, radial direction through hole 24 on central tube 11 sidewalls, taphole Injection Well, motor 22 is switched on and is arranged in universal shaft coupling device hole, rigid coupling 13 drives leading screw 26 to rotate, leading screw 26 drives spool in dropping in and taking off type blanking plugs 23 to move up and down in 9 on shell body, change flow of solution through the joint number of spool, thereby realize the continuous adjusting of polymer solution injection rate.

Claims (2)

1. in, magnetic flowmeter formula intelligence can a pulling distributor, it is characterized in that: described a kind of interior magnetic flowmeter formula intelligence can comprise top connection body (1) by pulling distributor, upper cable body (2), pin body (3), contact pin bridgeware (4), contact pin locking nut (5), electric machine casing (6), bear box (7), connector (8), upper shell body (9), lower contact body (10), center tubes (11), bearing group jackscrew (12), rigid coupling (13), anti-turn (14), intermediate cable adapter assembly (15), upper cable connector assembly (16), axial organ connecting rod (17), car formula sealing installing rack (18), bearing assembly (19), car formula sealing (20), pressure sensor (21), motor (22), blanking plug (23), cable joint body (24), leading screw (26), the second interior magnetic flowmeter (27), the first interior magnetic flowmeter (28), wireless transport module (29) and wireless charging module (30), connector (8), center tubes (11) from top to bottom sets gradually, and the upper end of center tubes (11) is inserted in the lower end of connector (8), upper cable body (2), pin body (3), electric machine casing (6), bear box (7) is from top to bottom sleeved on the lateral wall of connector (8) successively, upper shell body (9), lower contact body (10) is sleeved on the lateral wall of center tubes (11) from top to bottom successively, top connection body (1) is sleeved on the upper end of connector (8), pin body (3) is arranged in first annular housing (3-1) of pin body (3) by contact pin bridgeware (4), the top of pressure sensor (21) is inserted in second annular housing (6-1) of electric machine casing (6), the bottom of pressure sensor (21) is inserted in the 3rd annular housing (7-1) of bear box (7), the first annular housing (3-1), the second annular housing (6-1), the 3rd annular housing (7-1) forms outer chamber, motor (22), anti-turn (14), rigid coupling (13), axial organ connecting rod (17), leading screw (26), blanking plug (23) is from top to bottom successively set in described outer chamber, anti-turn (14) are arranged on motor (22), the turning cylinder of motor (22) is connected with the upper end of axial organ connecting rod (17) by rigid coupling (13), the lower end of axial organ connecting rod (17) is connected with the upper end of leading screw (26), the lower end of leading screw (26) is connected with the upper end of blanking plug (23), car formula sealing (20) is sleeved on the lateral wall of leading screw (26) by car formula sealing installing rack (18), bearing assembly (19) is sleeved on the lateral wall of leading screw (26), and bearing assembly (19) is positioned at the top of car formula sealing (20), intermediate cable adapter assembly (15), upper cable connector assembly (16), cable joint body (24) is from top to bottom successively set in center tubes (11), the first interior magnetic flowmeter (28), wireless transport module (29) and wireless charging module (30) are from top to bottom sleeved on the lateral wall of top connection body (1) successively, and the second interior magnetic flowmeter (27) is sleeved on the lateral wall of lower contact body (10) lower end.
2. a kind of interior magnetic flowmeter formula intelligence can pulling distributor according to claim 1, it is characterized in that: described a kind of interior magnetic flowmeter formula intelligence can also comprise a plurality of sealing rings (25) by pulling distributor, between the lateral wall of the lateral wall of top connection body (1) lower end and upper cable body (2) upper end, be provided with two sealing rings (25), between the inside wall of the lateral wall of contact pin bridgeware (4) and the first annular housing (3-1), be provided with two sealing rings (25), between the lateral wall of the lateral wall of pin body (3) lower end and electric machine casing (6) upper end, be provided with two sealing rings (25), between the lateral wall of the inside wall of electric machine casing (6) lower end and bear box (7) upper end, be provided with two sealing rings (25), between the lateral wall of the inside wall of bear box (7) lower end and connector (8) bottom, be provided with two sealing rings (25), between the inside wall of the lateral wall of upper shell body (9) upper end and connector (8) lower end, be provided with two sealing rings (25).
CN201410406460.4A 2014-08-18 2014-08-18 In a kind of, magnetic flowmeter formula intelligence can pulling distributor Active CN104179484B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201410406460.4A CN104179484B (en) 2014-08-18 2014-08-18 In a kind of, magnetic flowmeter formula intelligence can pulling distributor

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201410406460.4A CN104179484B (en) 2014-08-18 2014-08-18 In a kind of, magnetic flowmeter formula intelligence can pulling distributor

Publications (2)

Publication Number Publication Date
CN104179484A true CN104179484A (en) 2014-12-03
CN104179484B CN104179484B (en) 2016-10-05

Family

ID=51960798

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201410406460.4A Active CN104179484B (en) 2014-08-18 2014-08-18 In a kind of, magnetic flowmeter formula intelligence can pulling distributor

Country Status (1)

Country Link
CN (1) CN104179484B (en)

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105756666A (en) * 2016-05-04 2016-07-13 中国地质大学(武汉) Downhole pressure detecting device
CN106197375A (en) * 2016-08-31 2016-12-07 广州市吉华勘测股份有限公司 A kind of remote automation tilt measurement and device
CN106285588A (en) * 2015-06-11 2017-01-04 中国石油天然气股份有限公司 A kind of preset cable direct controlled type automatically controlled layered polymer injection process pipe string and note poly-method
CN106499372A (en) * 2016-10-18 2017-03-15 中国石油天然气股份有限公司 Integrated electromagnetic type flow meter intelligence distributor
CN110228156A (en) * 2019-07-05 2019-09-13 宁夏鼎盛阳光环保科技有限公司 Produce extruded sheet foaming agent injector and extruded sheet production system

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1286877A (en) * 1969-12-09 1972-08-23 Ross Nebolsine Apparatus for effecting the filtration of fluids for example water and charging underground formations
RU2144613C1 (en) * 1998-06-03 2000-01-20 Внедренческий научно-исследовательский инженерный центр "Нефтегазтехнология" Device for treating flow of water injected into injection wells
CN101260800A (en) * 2008-04-21 2008-09-10 张建 Electromagnetical linearly adjusted flux device for down-hole injection-production
CN201165868Y (en) * 2008-03-11 2008-12-17 张博文 Intelligent adjustment eccentric water distributing apparatus
CN102536181A (en) * 2012-02-10 2012-07-04 哈尔滨工业大学 Adjustable eccentric injection allocation device for polymer injection well

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1286877A (en) * 1969-12-09 1972-08-23 Ross Nebolsine Apparatus for effecting the filtration of fluids for example water and charging underground formations
RU2144613C1 (en) * 1998-06-03 2000-01-20 Внедренческий научно-исследовательский инженерный центр "Нефтегазтехнология" Device for treating flow of water injected into injection wells
CN201165868Y (en) * 2008-03-11 2008-12-17 张博文 Intelligent adjustment eccentric water distributing apparatus
CN101260800A (en) * 2008-04-21 2008-09-10 张建 Electromagnetical linearly adjusted flux device for down-hole injection-production
CN102536181A (en) * 2012-02-10 2012-07-04 哈尔滨工业大学 Adjustable eccentric injection allocation device for polymer injection well

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
马宏伟等: "《层间自动轮换分层周期注水工艺》", 《石油钻采工艺》, vol. 34, no. 6, 30 November 2012 (2012-11-30), pages 100 - 103 *

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106285588A (en) * 2015-06-11 2017-01-04 中国石油天然气股份有限公司 A kind of preset cable direct controlled type automatically controlled layered polymer injection process pipe string and note poly-method
CN105756666A (en) * 2016-05-04 2016-07-13 中国地质大学(武汉) Downhole pressure detecting device
CN106197375A (en) * 2016-08-31 2016-12-07 广州市吉华勘测股份有限公司 A kind of remote automation tilt measurement and device
CN106499372A (en) * 2016-10-18 2017-03-15 中国石油天然气股份有限公司 Integrated electromagnetic type flow meter intelligence distributor
CN106499372B (en) * 2016-10-18 2019-09-03 中国石油天然气股份有限公司 Integrated electromagnetic type flow meter intelligence distributor
CN110228156A (en) * 2019-07-05 2019-09-13 宁夏鼎盛阳光环保科技有限公司 Produce extruded sheet foaming agent injector and extruded sheet production system
CN110228156B (en) * 2019-07-05 2024-04-26 宁夏鼎盛阳光环保科技有限公司 Foaming agent injector for producing extruded sheet and extruded sheet production system

Also Published As

Publication number Publication date
CN104179484B (en) 2016-10-05

Similar Documents

Publication Publication Date Title
CN104179484A (en) Internal magnetic flowmeter type intelligent recoverable injection allocation device
CN104314534A (en) Differential pressure flow meter-type smart adjustable throwing and fishing injection dispenser
SA111320861B1 (en) Fluid Injection Device
CN111749663B (en) Injection allocation device for layered injection polymerization, polymer intelligent injection system and application
CN205918361U (en) Perpendicular drilling tool of machinery
CN103147722A (en) Underground remote control sliding sleeve opening or closing device
CN203145910U (en) Super-short intelligent water distributor
CN107956459A (en) A kind of foam injection device and its application method and installation method
CN104481470A (en) Self-adaptive water control string for oil wells and self-adaptive water control method for oil wells
CN206246059U (en) A kind of mechanical guide drilling tool
CN105201469A (en) Wireless communication type water injection well layered injection allocation device and water injection well cable-free injection allocation system
CN104989326A (en) Regulating separate layer production string and separate layer oil production method
CN103321619B (en) Polymer injection and water injection layered continuously-adjustable injection distribution device
CN103352678B (en) Layering continuously adjustabe injection allocation apparatus is selected in the poly-water filling of note
CN204941496U (en) A kind of direct-reacting digital intelligence layered water injection process pipe column
CN103234094B (en) The strong magnetism antiscaling unit of high efficiency rare-earth
CN103334730B (en) The combination oil nozzle device of daily output is accurately controlled for heavy oil wells open flow
CN101798912A (en) Device and method for regulating and controlling water content of production fluid of underground layering of oil field
CN208918526U (en) A kind of underground thick oil sampler
CN108716384B (en) Acid salt scale prevention and removal device for water injection well
CN113914835B (en) Single pipeline control multilayer intelligent pipe column
CN203626741U (en) Scale prevention sleeve used in cooperation with well flushing sliding sleeve
CN112855100B (en) Underground in-situ fixed online profile control and drive device, tubular column and method
CN104314536A (en) Zonal injection allocator with inner magnetic flow meter and cable transmission function and use method of injection allocator
CN110965971B (en) Annular simulation device for water injection well

Legal Events

Date Code Title Description
C06 Publication
PB01 Publication
C10 Entry into substantive examination
SE01 Entry into force of request for substantive examination
C14 Grant of patent or utility model
GR01 Patent grant
EE01 Entry into force of recordation of patent licensing contract

Application publication date: 20141203

Assignee: Harbin Bohua Technology Co., Ltd.

Assignor: Harbin Institute of Technology

Contract record no.: 2017230000028

Denomination of invention: Internal magnetic flowmeter type intelligent recoverable injection allocation device

Granted publication date: 20161005

License type: Exclusive License

Record date: 20170627