CN102852502B - Intelligent steam distribution process pipe column of horizontal steam injection well - Google Patents
Intelligent steam distribution process pipe column of horizontal steam injection well Download PDFInfo
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- CN102852502B CN102852502B CN201210115330.6A CN201210115330A CN102852502B CN 102852502 B CN102852502 B CN 102852502B CN 201210115330 A CN201210115330 A CN 201210115330A CN 102852502 B CN102852502 B CN 102852502B
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- 238000010793 Steam injection (oil industry) Methods 0.000 title claims abstract description 91
- 238000009826 distribution Methods 0.000 title claims abstract description 65
- 238000000034 method Methods 0.000 title claims abstract description 27
- 230000008569 process Effects 0.000 title claims abstract description 25
- 210000002445 nipple Anatomy 0.000 claims abstract description 27
- 238000004519 manufacturing process Methods 0.000 claims abstract description 18
- 239000000725 suspension Substances 0.000 claims abstract description 11
- 238000007789 sealing Methods 0.000 claims description 15
- 238000005304 joining Methods 0.000 claims description 12
- 238000012544 monitoring process Methods 0.000 claims description 6
- 238000010438 heat treatment Methods 0.000 claims description 3
- 238000011084 recovery Methods 0.000 abstract description 4
- 238000010521 absorption reaction Methods 0.000 abstract 1
- 230000008878 coupling Effects 0.000 abstract 1
- 238000010168 coupling process Methods 0.000 abstract 1
- 238000005859 coupling reaction Methods 0.000 abstract 1
- 239000003921 oil Substances 0.000 description 16
- 238000011161 development Methods 0.000 description 8
- 230000018109 developmental process Effects 0.000 description 8
- 238000012856 packing Methods 0.000 description 6
- 238000010586 diagram Methods 0.000 description 4
- 238000005516 engineering process Methods 0.000 description 4
- 230000009286 beneficial effect Effects 0.000 description 3
- 239000010779 crude oil Substances 0.000 description 3
- 238000012360 testing method Methods 0.000 description 3
- 238000010796 Steam-assisted gravity drainage Methods 0.000 description 2
- 238000004458 analytical method Methods 0.000 description 2
- 230000008859 change Effects 0.000 description 2
- 238000002347 injection Methods 0.000 description 2
- 239000007924 injection Substances 0.000 description 2
- 230000035699 permeability Effects 0.000 description 2
- 238000010795 Steam Flooding Methods 0.000 description 1
- 238000004364 calculation method Methods 0.000 description 1
- 230000003750 conditioning effect Effects 0.000 description 1
- 238000005520 cutting process Methods 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 239000011229 interlayer Substances 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 239000011148 porous material Substances 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 230000011218 segmentation Effects 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
- 239000003381 stabilizer Substances 0.000 description 1
- 239000007858 starting material Substances 0.000 description 1
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Abstract
A coiled tubing seal and suspension device is fixed on the upper portion of a thermal recovery well head, the upper end of the coiled tubing is connected with the coiled tubing seal and suspension device, the coiled tubing is arranged in a production casing, the lower end of the coiled tubing is connected with a steam distribution nipple through a coiled tubing coupling, an intelligent steam distribution valve is arranged on the wall of each steam distribution nipple, and the intelligent steam distribution valve is controlled to realize intelligent segmented steam distribution of the steam distribution nipple. The intelligent steam distribution process tubular column for the horizontal steam injection well does not have moving parts underground, can realize the segmented intelligent steam distribution of the horizontal well without frequently dragging a steam injection oil pipe to improve local steam absorption, greatly reduces the frequency of well repair operation, can realize the uniform steam distribution of the horizontal segment, and improves the utilization degree of the horizontal segment.
Description
Technical field
The present invention relates to oil field equipment, especially a kind of steam injection string of oil-field thick-oil steam injection oil recovery by heating horizontal well.
Background technology
Horizontal well technology starts from the eighties in 20th century, is mainly used in ligh-oil reservoir and gas reservoir, it is advantageous that and improves oil gas well yield and recovery ratio.Along with the continuous progress of horizontal well technology, the application scale of horizontal well constantly increases, and the Oil Reservoir Types of application is more and more extensive, and so far, industrial applications is in Development of Viscous Crude Oil and cbm development.
For the horizontal well development of heavy crude reservoir, mainly application level well carries out steam soak, steam flooding and SAGD (SAGD).Because the oil reservoir area of horizontal well contact is far longer than straight well, therefore horizontal well steam injection is heated oil reservoir and is reduced the wider of Crude viscosity, and moveable oil area is larger, and oily well yield is higher.But horizontal well steam injection at present adopts general steam injection mode usually, for heterogeneous reservoir, because varying level section reservoir permeability differs greatly, horizontal segment is caused to inhale vapour uneven, in continuous steam injection process, the steam injected from horizontal well is easily advanced by leaps and bounds at the bottom of producing well along horizontal segment local high permeable strip, causes early stage vapour to alter, seriously reduces the development effectiveness of horizontal segment development degree and horizontal well.
A kind of horizontal well sectional steam injection pipe column of prior art is on the horizontal instlated tubular on rear side of screen casing, from front to back tandem stabilizers, obstructing instrument, centralizer and distributor successively.Its beneficial effect makes the steam under input well all enter in the steam injection oil reservoir of setting, in steam injection process, only have one section to be in hot environment with the relative well casing in steam injection oil reservoir position of setting, so that well casing elongation is less, and well head can not be caused to destroy.Its weak point is: one be under enter segmentation steam injection string after, steam injection can only be carried out to one section of horizontal well simultaneously, to full horizontal segment steam injection simultaneously, the suction vapour length of horizontal segment can not be which reduces, decreases drainage area and the producing well production capacity of unit interval; Two is after the steam injection of a certain specific steam injection section terminates, when needing to carry out steam injection to another section, user needs to be pulled out outside well by steam injection string by external pull, and therefore changing steam injection section needs to relate to very complicated work-over operation, and a steam injection section often changed by steam injection well all needs closing well.
Prior art also has a kind of gas injection steam umbrella of horizontal well, be characterized in the packing element comprising central tube and be enclosed within outside central tube, the connecting portion at two ends, packing element left and right is fixed with the left and right connecting portion of central tube and is tightly connected respectively, tube wall between the connecting portion of central tube left and right is provided with through hole, the left and right connecting portion of central tube is respectively equipped with the left and right compressing tablet of the short tube shape compressed by packing element left and right connecting portion, the left and right pressure ring of short tube shape is lined with respectively between the connecting portion of connecting portion concentricity pipe left and right, packing element left and right, the left end of central tube is connected with a box cupling for connecting with other pipeline, central tube right-hand member is provided with the bindiny mechanism coordinated with box cupling.Its operating principle is: be connected between some steam injection strings by some gas injection steam umbrella of horizontal well during steam injection, send in the sleeve pipe of horizontal well, during steam injection, steam is by the through hole on central tube, is filled with in packing element, and packing element is swelled, close steam injection string with the annular space between sleeve pipe, thus horizontal segment is separated into several relatively independent steam injection unit, so that difference steam injection, ensure that the uniformity of each steam injection unit steam injection, be conducive to preventing interlayer interference, improve the rate of oil and gas recovery.And its weak point is: this patent is only adopt the means of machinery horizontal segment to be divided into some steam injection sections, and does not elaborate the steam flow adopting which kind of device or technological means mean allocation or flexible modulation to enter each steam injection section.
Prior art also has a kind of horizontal well steam injection method and system, and the method comprises: analyze the flowing law of horizontal well steam injection fluid, horizontal well track and horizontal well in segments steam injection amount and steam injection hole area; According to analysis result and well temperature section plane test curve, determine the position of each steam injection valve in horizontal well steam injection tubing string, steam injection amount and steam injection aperture; According to the position determined, steam injection amount and steam injection aperture, each steam injection valve is set in horizontal well steam injection tubing string, and utilizes described horizontal well steam injection tubing string to carry out horizontal well steam injection.This invention can solve that net horizontal section in prior art is long, and net horizontal section steam injection is uneven, and horizontal well sieve tube completion, the problem of steam injection technology performance difficulty.But the weak point of this invention is: because the outer oil reservoir pore structure of horizontal segment in steam injection process constantly changes, the horizontal segment that the steam injection valve that originally steam injection amount is high is corresponding inhales vapour section because long-term high speed steam injection can produce high permeability, needs to reduce steam injection amount and prevents vapour from altering; And horizontal segment corresponding to the low steam injection valve of original steam injection amount inhales vapour due to long low, cause this section of crude oil to employ difference, need to improve steam injection amount to increase oil reservoir steam absorbing amount, improve crude oil development degree; And the prior art enter under setting forth the position of the steam injection valve of horizontal segment, steam injection amount and steam injection aperture be according to the analysis result of net horizontal section steam injection empirical formula and well temperature section plane test curve predetermined, do not elaborate the steam injection amount adopting which kind of technological means to carry out dynamic conditioning diverse location steam injection valve in actual steam injection process, do not set forth in actual steam injection process, the need of the steam injection valve again entering down different size according to the well temperature section plane test result after change yet.
Summary of the invention
Embodiments of the invention, provide a kind of horizontal steam injection well intelligent steam distribution process pipe string, comprising: coiled tubing sealing and suspension arrangement, be fixed on thermal production well mouth top; Surface pipe, is fixed on outside the production casing of horizontal well; Screen casing, is arranged in the horizontal segment of horizontal well, is suspended on the tail end of production casing by screen casing sealed suspension device, is fixed with the end stifled at the end of screen casing; Coiled tubing, is arranged in production casing, and the upper end of coiled tubing seals with described coiled tubing and is connected with suspension arrangement; Multiplely join vapour pipe nipple, utilize each other and join vapour pipe nipple box cupling and connect, the multiple vapour pipe nipple one end of joining after connection are connected with the lower end of coiled tubing by coiled tubing box cupling, and the remote outlet of the other end is closed; Intelligent steam distribution valve, is arranged on and eachly joins on vapour pipe nipple wall, for controlling steam flow.With solve in prior art cannot realize full horizontal segment simultaneously evenly steam injection, cannot dynamic adjustments steam steam injection amount, cannot the problem such as dynamic adjustments steam injection valve steam injection amount.
The beneficial effect of the embodiment of the present invention is: down-hole does not exist moving component, do not need frequently to drag steam injection oil pipe for improving local suction vapour, just can realize horizontal well in segments intelligent steam distribution, can significantly reduce workover treatment number of times, and horizontal segment can be realized evenly join vapour, the section of improving the standard development degree.
Accompanying drawing explanation
Accompanying drawing described herein is used to provide a further understanding of the present invention, forms a application's part, does not form limitation of the invention.In the accompanying drawings:
Fig. 1 is the structural representation of horizontal steam injection well intelligent steam distribution process pipe string embodiment of the present invention;
Fig. 2 is the form of structure schematic diagram of joining vapour pipe nipple embodiment of horizontal steam injection well intelligent steam distribution process pipe string of the present invention;
Fig. 3 is the form of structure schematic diagram of the control unit embodiment of horizontal steam injection well intelligent steam distribution process pipe string of the present invention.
Detailed description of the invention
For making the object, technical solutions and advantages of the present invention clearly understand, below in conjunction with embodiment and accompanying drawing, the present invention is described in further details.At this, exemplary embodiment of the present invention and illustrating for explaining the present invention, but not as a limitation of the invention.
Referring to accompanying drawing, the specific embodiment of the present invention is described in detail.
Embodiment 1 is a horizontal steam injection well intelligent steam distribution process pipe string is example, is described in further detail the present invention.
Fig. 1 is the structural representation of horizontal steam injection well intelligent steam distribution process pipe string embodiment of the present invention.As shown in Figure 1, have surface pipe 3 at production casing 5 extenal fixation of horizontal well, be hung with screen casing 8 at the tail end of production casing 5 by screen casing sealed suspension device 7, screen casing 8, in the horizontal segment of horizontal well, is fixed with the end stifled 11 at the end of screen casing 8.Coiled tubing sealing and suspension arrangement 1 is fixed with on thermal production well mouth 2 top, the upper end of coiled tubing 6 connects coiled tubing sealing and suspension arrangement 1, coiled tubing 6 is in production casing 5, coiled tubing 6 lower end is connected by coiled tubing box cupling 12 and multiplely joins vapour pipe nipple 13, eachly join the intelligent steam distribution valve 10 vapour pipe nipple 13 wall is provided with for controlling steam flow, join to utilize between vapour pipe nipple 13 and join vapour pipe nipple box cupling 14 and connect, join vapour pipe nipple 13 remote outlet and close.
Temperature, pressure monitoring cable 4 is at production casing 5 with in joining between vapour pipe nipple 13 annular space, and parallel with joining vapour pipe nipple 13 with coiled tubing 6, and the temperature, pressure monitoring cable 4 of horizontal segment is uniformly distributed temperature and pressure transmitter 9.
Fig. 2 is the form of structure schematic diagram of joining vapour pipe nipple embodiment of horizontal steam injection well intelligent steam distribution process pipe string of the present invention.As shown in Figure 2, intelligent steam distribution valve 10 comprises: chute 19, is formed with sliding channel; Sealing draw-in groove 21, relative with chute, and and chute keep certain interval and arrange; Sliding seal 20, slides along sliding channel; Control unit, controls the slip of sliding seal, makes sliding seal engage with sealing draw-in groove or be separated, thus controls closedown or the opening degree of sliding seal, to close or to open air inlet 25.
Control unit wherein comprises: group of motors 18, provides driving force, for driving sliding seal; Group of motors control module, is connected with group of motors, controls group of motors; Batteries 16, is connected with group of motors by group of motors control module, for group of motors control module and group of motors provide supply of electric power.
The front end of sealing draw-in groove 21, namely the side of sliding seal 20 arranges the groove consistent with sliding seal 20 diameter and gauge, the position of groove is just to sliding seal 20, when admission opening 25 is closed in hope, sliding seal 20 stretches out, enter the groove of sealing draw-in groove 21, make the closedown completely of admission opening 25.
In addition, intelligent steam distribution valve 10 comprises and also comprising: vapor opening plate 23, is discharged by steam from intelligent steam distribution valve; Rubber seal ring 26, is made up of high-temperature resistant rubber, to be anchored on inside chute 19 and sealing draw-in groove 21 groove inside, after rubber seal ring expanded by heating, by inside sliding seal with the clearance seal of chute, reach the object avoiding Lou vapour; Block body 22, its inside is for installing control unit, and its outside is formed as the shell of intelligent steam distribution valve and is arranged on the two ends of intelligent steam distribution valve; And for the front end adapter sleeve 15 of fixing intelligent steam distribution valve and rear end adapter sleeve 24.Wherein, front end adapter sleeve 15 and rear end adapter sleeve 24, block body 22 and seal draw-in groove 21 and all have internal thread, be tightly connected with the external screw thread of joining vapour pipe nipple 13 outer wall, to prevent intelligent steam distribution valve 10 slippage.
Intelligent steam distribution valve 10 is tubular articles, remote control inductor 17, batteries 16, the group of motors 18 of composition intelligent steam distribution valve 10, sliding seal 20, vapor opening plate 23, chute 19, rubber seal ring 26, sealing draw-in groove 21, block body 22 and front end adapter sleeve 15 and rear end adapter sleeve 24 are tubular articles.
Fig. 3 is the form of structure schematic diagram of the control unit embodiment of horizontal steam injection well intelligent steam distribution process pipe string of the present invention.As shown in Figure 3, the group of motors 18 in control unit comprises: motor front end adapter sleeve 28, brush 29, permanent magnet 30, rotor assembly 31, gear reduction unit 32, flywheel 33, motor rear end adapter sleeve 34.
Group of motors control module in control unit comprises remote control inductor 17, for receiving the instruction from ground.Subsequently, group of motors control module starts or the running of disable motor group according to surface instruction, or changes the both positive and negative polarity sense of current of group of motors.Wherein, the running of startup or disable motor group can adopt the mode of the integrated circuit 27 disconnecting or connect between batteries and group of motors to carry out.Batteries 16 is connected with group of motors 18 with remote control inductor 17 by integrated circuit 27, and batteries 16, remote control inductor 17 are connected with group of motors 18 three.
The remote control inductor of each intelligent steam distribution valve is single telecommand unit, operational order can be assigned to each remote control inductor in ground control system, remote control inductor receives starter motor group after instruction, group of motors controls unlatching or the closedown degree of the sliding seal of each intelligent steam distribution valve, namely controls the flow of steam; Unlatching or the closedown degree of sliding seal feed back to ground control system via remote control inductor.When the electric energy of batteries is mainly consumed in each terrestrial operation instruction issuing, the running of group of motors, by converting electrical energy into mechanical energy, provides power for group of motors controls sliding seal.When operational order is not assigned on ground, intelligent steam distribution valve remote control inductor is in holding state, and group of motors is in off-position, and batteries is only powered for inductor, and power consumption is few.Change primary steam flow rate calculation every month with each intelligent steam distribution valve, the batteries working time of each intelligent steam distribution valve was more than 3 years.
Flywheel 33 outer rim of group of motors 18 is screw thread, is mutually engaged with sliding seal 20 outer rim screw thread; Flywheel 33, according to the switching of the sense of current, can clockwise and be rotated counterclockwise; Sliding seal 20 is promoted protruding, the steam flow of restriction intelligent steam distribution valve 10 when flywheel 33 turns clockwise; Promote sliding seal 20 when flywheel 33 is rotated counterclockwise inwardly to retract, improve the steam flow of intelligent steam distribution valve 10.
When just starting steam injection, the sliding seal 20 of described intelligent steam distribution valve 10 is positioned at chute 19, and intelligent steam distribution valve 10 is whole opening.
Horizontal segment temperature and pressure transmitter 9 is connected with ground control system by temperature, pressure monitoring cable 4, according to the horizontal segment diverse location vapor chamber developmental state that horizontal segment temperature and pressure transmitter 9 data are reacted, from ground control system level of control section relevant position intelligent steam distribution valve 10.Specifically, send instruction to remote control inductor, the intelligent steam distribution valve 10 outlet vapor flow of Intelligent adjustment horizontal segment relevant position.
For the obsolete horizontal segment of vapor chamber, increase the sliding seal opening degree of relevant position intelligent steam distribution valve, improve this horizontal segment position outlet vapor flow, promote that vapor chamber is in the growth of this horizontal segment; For there is the vapour horizontal segment of altering, reduce relevant position intelligent steam distribution valve sliding seal opening degree or by valve closing, effectively control vapour and alter.
Preferably, embodiments of the invention 1 adopt following size design: production casing 5 specification is 11 ", screen casing 8 is 9 " cutting seam sieve tube, coiled tubing 6 is 5 " insulated tubing, joining vapour pipe nipple 13 is 4 " insulated tubing, joining vapour pipe nipple box cupling 14 specification is 3 ".
Horizontal steam injection well intelligent steam distribution process pipe string in the embodiment of the present invention, adopt the suction vapour situation of horizontal segment equally distributed temperature and pressure transmitter timely monitor horizontal segment diverse location, and the automatic paragraphing utilizing the intelligence steam distributing valve controlled by ground remote control instruction to realize joining vapour pipe nipple joins vapour.After adopting this tubing string, there is not moving component in down-hole, does not need frequently to drag steam injection oil pipe for improving local suction vapour, significantly can reduce workover treatment number of times (well workover cycle: 3 years), and horizontal segment can be realized evenly join vapour, the section of improving the standard development degree.
Above-described detailed description of the invention; object of the present invention, technical scheme and beneficial effect are further described; be understood that; the foregoing is only the specific embodiment of the present invention; the protection domain be not intended to limit the present invention; within the spirit and principles in the present invention all, any amendment made, equivalent replacement, improvement etc., all should be included within protection scope of the present invention.
Claims (6)
1. a horizontal steam injection well intelligent steam distribution process pipe string, is characterized in that, this horizontal steam injection well intelligent steam distribution process pipe string comprises:
Coiled tubing sealing and suspension arrangement, be fixed on thermal production well mouth top;
Surface pipe, is fixed on outside the production casing of horizontal well;
Screen casing, is arranged in the horizontal segment of horizontal well, is suspended on the tail end of production casing by screen casing sealed suspension device, is fixed with the end stifled at the end of screen casing;
Coiled tubing, is arranged in production casing, and the upper end of coiled tubing seals with described coiled tubing and is connected with suspension arrangement;
Multiplely join vapour pipe nipple, be arranged in production casing, utilize each other and join vapour pipe nipple box cupling and connect, the multiple vapour pipe nipple one end of joining after connection are connected with the lower end of coiled tubing by coiled tubing box cupling, and the other end is closed remote outlet;
Intelligent steam distribution valve, is arranged on and eachly joins on vapour pipe nipple wall, for controlling steam flow;
Described intelligent steam distribution valve comprises:
Chute, is formed with sliding channel;
Sealing draw-in groove, relative with chute, and and chute keep certain interval and arrange;
Sliding seal, slides along described sliding channel;
Control unit, controls the slip of sliding seal, makes sliding seal engage with sealing draw-in groove or be separated, thus controls closedown or the opening degree of sliding seal;
Described control unit comprises:
Group of motors, for driving sliding seal;
Group of motors control module, is connected with described group of motors, controls described group of motors; Described group of motors control module comprises:
Remote control inductor, for receiving the surface instruction from ground control system, and feeds back to ground control system by the unlatching of described sliding seal or closedown degree via remote control inductor;
Wherein, described group of motors control module, starts or the running of disable motor group according to surface instruction, or changes the both positive and negative polarity sense of current of group of motors;
Batteries, is connected with described group of motors, for supply of electric power by described group of motors control module;
Described group of motors comprises:
Flywheel, outer rim is provided with screw thread, is mutually engaged with the screw thread of described sliding seal outer rim;
Wherein, described flywheel is according to the switching of the sense of current, carry out clockwise or be rotated counterclockwise, sliding seal is promoted protruding when described flywheel turns clockwise, the steam flow of restriction intelligent steam distribution valve, promote sliding seal when described flywheel is rotated counterclockwise inwardly to retract, improve the steam flow of intelligent steam distribution valve.
2. horizontal steam injection well intelligent steam distribution process pipe string according to claim 1, is characterized in that, described horizontal steam injection well intelligent steam distribution process pipe string also comprises:
Temperature, pressure monitoring cable, is arranged at production casing and joins in the annular space between vapour pipe nipple, and parallel with joining vapour pipe nipple with coiled tubing;
Temperature and pressure transmitter, is evenly distributed on the temperature, pressure monitoring cable of horizontal segment.
3. horizontal steam injection well intelligent steam distribution process pipe string according to claim 2, is characterized in that:
Described temperature and pressure transmitter is connected with ground control system by described temperature, pressure monitoring cable, according to the horizontal segment diverse location vapor chamber developmental state that the data of temperature and pressure transmitter are reacted, from the intelligent steam distribution valve of ground control system level of control section relevant position, thus the intelligent steam distribution valve outlet port steam flow of Intelligent adjustment horizontal segment relevant position.
4. horizontal steam injection well intelligent steam distribution process pipe string according to claim 1, is characterized in that, described intelligent steam distribution valve also comprises:
Groove, is arranged at the front end of sealing draw-in groove corresponding to sliding seal side, and consistent with described sliding seal diameter and gauge, the position of groove is just to sliding seal;
Wherein, when closing admission opening, sliding seal stretches out, and enters the groove of sealing draw-in groove, makes the closedown completely of admission opening.
5. horizontal steam injection well intelligent steam distribution process pipe string according to claim 4, is characterized in that, described intelligent steam distribution valve also comprises:
Rubber seal ring, is made up of high-temperature resistant rubber, to be anchored on inside chute and sealing draw-in groove groove inside, after rubber seal ring expanded by heating, by inside sliding seal with the clearance seal of chute.
6. horizontal steam injection well intelligent steam distribution process pipe string according to claim 1, is characterized in that, described intelligent steam distribution valve also comprises:
Front end adapter sleeve and rear end adapter sleeve, be arranged on the two ends of intelligent steam distribution valve, for fixing intelligent steam distribution valve;
Block body, its inside is for installing control unit, and its outside is formed as the shell of intelligent steam distribution valve;
Described front end adapter sleeve and rear end adapter sleeve, block body and seal draw-in groove and all have internal thread, be tightly connected with the external screw thread of joining vapour pipe nipple outer wall.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201210115330.6A CN102852502B (en) | 2012-04-18 | 2012-04-18 | Intelligent steam distribution process pipe column of horizontal steam injection well |
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| CN201210115330.6A CN102852502B (en) | 2012-04-18 | 2012-04-18 | Intelligent steam distribution process pipe column of horizontal steam injection well |
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| CN102852502B true CN102852502B (en) | 2015-07-08 |
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Families Citing this family (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105863588B (en) * | 2016-04-28 | 2019-07-26 | 重庆科技学院 | A kind of heavy crude heat extraction horizontal well equilibrium note mining method |
| CN107060711A (en) * | 2017-01-19 | 2017-08-18 | 郭立波 | A kind of horizontal well sectional steam injection pipe column |
| CN111255424B (en) * | 2018-12-03 | 2022-03-08 | 中国石油化工股份有限公司 | Thermal production pipe column and oil production method thereof |
| CN111364952A (en) * | 2018-12-25 | 2020-07-03 | 中国石油天然气股份有限公司 | Horizontal well injection and production system |
| CN110206532A (en) * | 2019-05-27 | 2019-09-06 | 中国海洋石油集团有限公司 | The monitoring of horizontal well output and intelligent control integratedization completion tool and application method |
| CN113047822B (en) * | 2019-12-27 | 2022-12-02 | 中国石油天然气股份有限公司 | Steam injection system and steam huff and puff system with same |
| CN113250668B (en) * | 2021-06-18 | 2021-10-22 | 牡丹江市井田石油钻采配件有限公司 | High-stability injection allocation device for oil field underground |
| CN118088137B (en) * | 2024-04-24 | 2024-08-20 | 山东远卓石油技术有限公司 | Uniform steam injection tubular column for horizontal well |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202520295U (en) * | 2012-04-18 | 2012-11-07 | 中国石油天然气股份有限公司 | Intelligent steam distribution process pipe column of horizontal steam injection well |
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| CN2648058Y (en) * | 2003-07-01 | 2004-10-13 | 中国石油天然气股份有限公司 | Automatic steam distributing valve for thick oil steam injection well |
| CN100342116C (en) * | 2004-09-10 | 2007-10-10 | 中国科学院力学研究所 | Self-adaptive laminated distributor under well |
| CN2926418Y (en) * | 2006-05-16 | 2007-07-25 | 李聪 | Switch of code-controlled door lock |
| CN101315001A (en) * | 2007-05-28 | 2008-12-03 | 刘建平 | Electronic lock |
| CN201053310Y (en) * | 2007-07-17 | 2008-04-30 | 孙玉贵 | Horizontal well sectional steam injection pipe column |
| CN101581219B (en) * | 2008-05-16 | 2012-10-17 | 中国科学院力学研究所 | Device and method for measurement while drilling of ground stress |
| AU2011296086B2 (en) * | 2010-08-31 | 2015-06-25 | Schlumberger Technology B.V. | Methods for completing multi-zone production wells using sliding sleeve valve assembly |
| CN201963283U (en) * | 2011-03-16 | 2011-09-07 | 中国石油天然气股份有限公司 | Double-oil-pipe high-temperature gas lift process pipe column |
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| CN202520295U (en) * | 2012-04-18 | 2012-11-07 | 中国石油天然气股份有限公司 | Intelligent steam distribution process pipe column of horizontal steam injection well |
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