CN105781535B - Multifunctional wellhead data recording device - Google Patents
Multifunctional wellhead data recording device Download PDFInfo
- Publication number
- CN105781535B CN105781535B CN201610289769.9A CN201610289769A CN105781535B CN 105781535 B CN105781535 B CN 105781535B CN 201610289769 A CN201610289769 A CN 201610289769A CN 105781535 B CN105781535 B CN 105781535B
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- data recording
- recording device
- valve core
- sealing
- sampler
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- 238000007710 freezing Methods 0.000 claims abstract description 15
- 238000007789 sealing Methods 0.000 claims description 71
- 239000004677 Nylon Substances 0.000 claims description 22
- 229920001778 nylon Polymers 0.000 claims description 22
- 239000007788 liquid Substances 0.000 claims description 18
- 210000004907 gland Anatomy 0.000 claims description 11
- 210000005056 cell body Anatomy 0.000 claims description 4
- 230000008014 freezing Effects 0.000 abstract description 3
- 238000012423 maintenance Methods 0.000 abstract description 3
- 239000003921 oil Substances 0.000 description 26
- 239000012530 fluid Substances 0.000 description 13
- 238000005070 sampling Methods 0.000 description 8
- 239000003129 oil well Substances 0.000 description 6
- 239000010779 crude oil Substances 0.000 description 5
- 238000004519 manufacturing process Methods 0.000 description 4
- 238000010586 diagram Methods 0.000 description 3
- 238000012856 packing Methods 0.000 description 3
- 238000003466 welding Methods 0.000 description 3
- 230000007613 environmental effect Effects 0.000 description 2
- 210000001503 joint Anatomy 0.000 description 2
- 238000006467 substitution reaction Methods 0.000 description 2
- 238000010408 sweeping Methods 0.000 description 2
- 230000002528 anti-freeze Effects 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005192 partition Methods 0.000 description 1
- 239000011148 porous material Substances 0.000 description 1
- 230000002265 prevention Effects 0.000 description 1
- 238000005086 pumping Methods 0.000 description 1
Images
Classifications
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21B—EARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B47/00—Survey of boreholes or wells
- E21B47/26—Storing data down-hole, e.g. in a memory or on a record carrier
Landscapes
- Physics & Mathematics (AREA)
- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Geology (AREA)
- Mining & Mineral Resources (AREA)
- Geophysics (AREA)
- Environmental & Geological Engineering (AREA)
- Fluid Mechanics (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Sampling And Sample Adjustment (AREA)
Abstract
The invention provides a multifunctional wellhead data recording device, which comprises a main shell, an anti-theft screwed plug, a seal seat top frame, a seal ball, a seal seat, a data recording device, a push-pull type sampler and a pressure medium displacer, wherein the main shell is a hollow shell, the seal seat, the seal ball and the seal seat top frame are sequentially arranged into the main shell from a main shell accessory channel, the anti-theft screwed plug is connected with the main shell, a boss is arranged in the main shell, the seal seat is arranged on the boss, a through hole is transversely and correspondingly arranged on the wall of the main shell, and the data recording device penetrates through and is connected with the through hole. The invention has the characteristics of safety, reliability, convenient operation, simple structure, low cost, convenient disassembly and convenient maintenance, and can effectively solve the problem of freezing of the pressure gauge when field pressure taking and holding are carried out in winter.
Description
Technical Field
The invention relates to the technical field of oil field sealing, in particular to a multifunctional wellhead data recording device for safe and clean production of an oil field.
Background
The oil field is required to constantly extract oil samples, oil pressure, suppressed pressure and other operations from the crude oil in the oil well in the crude oil production process, so that the geological change of the oil well in the crude oil production and whether the working condition of the pumping well is normal or not are known, dynamic analysis is carried out, and a decision is made on an adjustment measure. In addition, when the oil well is produced in daily life, the problems of pump leakage, pipe falling and the like can occur, and the phenomenon of backflow of oil return of a well group is caused. Well head devices used in the prior art have the following problems: firstly, the sampling valve has a freezing problem in winter, and operators cannot normally complete the data recording operation of the wellhead; and secondly, the oil stealing prevention function is not provided, and in summer, crude oil is often stolen from oil well sampling valves and pressure acquisition cock positions by oil stealing molecules, so that great economic loss is caused to enterprises, and meanwhile, serious potential safety and environmental protection accident hazards are brought. And thirdly, the fluid control fails due to corrosion failure or breakage of the boosting spring of the check valve. And fourthly, the wellhead is provided with a pipeline-sweeping-free plug removal interface, if the problem of unsmooth fluid or blockage of a pipeline occurs, a welding equipment welding screw head is required to be used at the wellhead, so that the workload and the cost are increased, and meanwhile, serious potential safety hazards are brought.
Disclosure of Invention
Aiming at the defects and problems in the prior art, the invention aims to provide the wellhead data recording device which integrates multiple functions of liquid flow direction control, convenient line sweeping and blockage relieving, sampling, pressure taking, pressure building and the like, has simple structure, reasonable design and good use effect, and solves the problems of daily maintenance, data recording and safety and environmental protection of an oil well.
In order to achieve the purpose, the invention provides the following technical scheme:
a multifunctional wellhead data recording device comprises a main shell, an anti-theft screwed plug, a sealing seat top frame, a sealing ball, a sealing seat, a data recording device, a push-pull type sampler and a pressure medium displacer. The main casing body is the cavity casing, seal receptacle, ball sealer, seal receptacle roof-rack order are packed into in the main casing body from the main casing body passageway, the plug is twisted in the theftproof meets with the main casing body, the main casing body is inside to set up the boss, and the seal receptacle sets up on the boss, transversely correspond on the main casing body wall and set up the through hole, the data admission device passes and is connected with the through hole.
Among the above-mentioned technical scheme, still include the clamp connector of being connected with the main casing body.
In the technical scheme, the sealing seat top frame is a pipe with a hole formed in the hollow annular wall.
In the above technical scheme, the data recording device includes a valve body, a sealing valve core body, a nylon seal seat, and a nylon seal seat locking wire, wherein the valve body is a hollow body, a through overflow channel is formed in a side wall of the valve body, the sealing valve core body is a cylinder, one end of the sealing valve core body is a switch assembly, the other end of the sealing valve core body is a conical surface, the nylon seal seat locking wire is fixed to the nylon seal seat in the valve body, and the conical surface of the sealing valve core body is connected with the nylon seal seat.
In the technical scheme, the valve body is internally provided with threads, the side surface of the sealing valve core body is provided with threads, and the sealing valve core body is screwed into the valve body and connected through the threads.
In the above technical solution, the through overflow duct is communicated with the main casing.
In the above technical solution, the number of the through overflow holes is 4.
In the above technical scheme, the switch assembly is formed by sequentially combining a plurality of cylinders with gradually changed diameters, and the center of the switch assembly deviates from the center of the cylinder of the sealing valve core body.
Among the above-mentioned technical scheme, still include the switch key, the switch key is used for using with the switch assembly is supporting mutually, and the switch key sets up eccentric combination cell body, and eccentric combination cell body cup joints with the switch assembly is corresponding mutually.
Among the above-mentioned technical scheme, still include plug-type sampler, plug-type sampler comprises sampler main part, oil blanket gland, oil blanket, removal post, sets up the manometer seat in the sampler main part, and the manometer seat sets up the internal thread, and the removal post passes oil blanket gland, oil blanket, and the setting of removal post is inside the sampler main part, and removal post one end sets up the push-and-pull handle, and oil blanket gland fixes the oil blanket in the sampler main part.
In the technical scheme, the anti-freezing displacer further comprises a pressure medium displacer, wherein the pressure medium displacer is composed of a pressure gauge, a displacer main body, a medium isolating plug and anti-freezing liquid, the pressure gauge is connected to the displacer main body, the anti-freezing liquid and the medium isolating plug are arranged in the displacer main body, and the anti-freezing liquid is located between the pressure gauge and the medium isolating plug.
The invention has the characteristics of safety, reliability, convenient operation, simple structure, low cost, convenient disassembly and convenient maintenance, and adopts the switch key with a special structure, thereby overcoming the problem that crude oil is easy to be stolen and discharged by an oil well sampling valve and a pressure cock in the prior art; and can effectively prevent liquid from flowing backwards; the anti-theft eccentric plug sealing mode is adopted, so that the fluid parts are convenient to maintain and clean, the pipeline sweeping and unblocking are facilitated, when the gathering and transportation pipeline has unsmooth fluid flow or is coagulated to block and needs a pump truck to sweep, a screw head does not need to be welded at a well mouth, and the device can directly screw a pump truck union to sweep.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.
FIG. 1 is a schematic view of the structure of the present invention.
FIG. 2 is a schematic diagram of a data recording device.
Fig. 3 is a schematic structural diagram of the switch key.
FIG. 4 is a schematic diagram of a push-pull sampler
FIG. 5 is a schematic view of a pressure medium displacer
Wherein: the anti-theft screw plug comprises a main shell 1, an anti-theft screw plug 2, a sealing seat top frame 3, a sealing ball 4, a sealing seat 5, a data recording device 6, a hoop connector 7, a switch key 8, a valve body 9, a sealing valve core body 10, a nylon sealing seat 11, a nylon sealing seat locking wire 12, a through overflow pore channel 13, a handle 14, a conical surface 15, a switch assembly 16, an eccentric combined groove body 17, a sampler main body 18, a pressure gauge seat 19, an oil seal gland 20, an oil seal 21, a movable rod column 22, a push-pull handle 23, a displacer main body 24, a medium partition 25, a fluid outlet channel section 26, a pressure gauge 27 and anti-freezing liquid 28.
Detailed Description
The technical solutions of the present invention will be described clearly and completely with reference to the accompanying drawings, and it is to be understood that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
The embodiment of the multifunctional wellhead data recording device comprises a main shell, an anti-theft screwed plug, a sealing seat top frame, a sealing ball, a sealing seat, a data recording device, a push-pull type sampler and a pressure medium displacer. The multifunctional wellhead data recording device also comprises a hoop connector connected with the main shell, and if the hoop connector is not used, the multifunctional wellhead data recording device can be connected to an oil production wellhead by adopting a flange butt joint or welding mode.
According to fig. 1, the clamp connector is a circular hollow body, annular grooves are respectively formed in the annular end faces of the two sides of the circular hollow body, the clamp connector is connected with the main shell, the main shell is a hollow shell, an accessory assembling channel is formed in the upper end of the main shell, threads are formed in the accessory assembling channel, a boss is arranged inside the main shell, and the sealing seat is arranged on the boss.
The seal receptacle roof-rack is well hollow shape, set up the tubular product of trompil on the rampart, the outside upper segment sets up the screw thread the same with the accessory passageway pitch of packing into of the main casing body, the seal receptacle, the sealing ball, the seal receptacle roof-rack is packed into in the passageway from the main casing body upper end accessory in proper order in the main casing body, it makes the boss of seal receptacle and the main casing body sealed to revolve the seal receptacle roof-rack, the sealing ball is arranged in on the seal receptacle roof-rack, the external screw thread pitch of the anti-theft screwed plug is the same with the upper end accessory passageway internal thread pitch of packing into of the main casing body, revolve the accessory passageway of packing into of the sealed main casing body of anti-theft screwed plug.
According to fig. 2, the data recording device comprises a valve body, a sealing valve core body, a nylon sealing seat and a nylon sealing seat locking wire, wherein the valve body is a hollow body, the side wall of the valve body is provided with 4 through overflow channels, the through overflow channels are communicated with the main shell, the sealing valve core body is a cylinder, one end of the sealing valve core body is a switch assembly, the other end of the sealing valve core body is a conical surface, threads are arranged inside the valve body, the side surface of the sealing valve core body is provided with threads, the sealing valve core body is screwed into the valve body and connected with the valve body through the threads, the nylon sealing seat locking wire fixes the nylon sealing seat arranged in the valve body, the conical surface of the sealing valve core body is connected with the nylon sealing seat, and the lower end of the valve body is a section of a hollow fluid outlet channel section with threads and a hollow interior.
The lower casing wall of the main casing has through hole in the transverse direction, and the through hole has diameter the same as the outer diameter of the valve body of the data recording device.
The switch assembly of the sealing valve core body is formed by sequentially combining a plurality of cylinders with gradually changed diameters, and the center of the switch assembly deviates from the center of the sealing valve core body.
According to the illustration in fig. 3, the switch key is used for matching with the switch assembly, one end of the switch key is provided with a sunken eccentric combined groove body, the other end of the switch key is provided with a handle, after the eccentric combined groove body is correspondingly sleeved with the switch assembly, the data recording device can be opened and closed, namely, one side of the eccentric combined groove body of the switch key is inserted into the valve body and meshed with the switch assembly of the sealing valve core body, the switch key is screwed to enable the sealing valve core body to move up and down in the valve body, so that the conical surface body at one end of the sealing valve core body is opened or closed with the nylon sealing seat, and the release of the control fluid is realized.
According to fig. 4, plug-type sampler is used for using with the supporting of data admission device, plug-type sampler is by the sampler main part, the oil blanket gland, the oil blanket, it constitutes to remove the post, set up the manometer seat in the sampler main part, the manometer seat sets up the internal thread, the removal post passes the oil blanket gland, the oil blanket, the removal post sets up inside the sampler main part, removal post one end sets up push-pull handle, the oil blanket gland is fixed the oil blanket in the sampler main part, the sampler main part adopts the oil blanket gland, the mutual sealed mode of oil blanket, realize the double seal of sampler main part and removal post. The sampler main part one end sets up the external screw thread, and the pitch of external screw thread is the same with the internal thread pitch of the fluid outlet passageway section of data admission device, twists the fluid outlet passageway section on the data admission device with plug-type sampler soon during data admission.
According to the scheme shown in the figure 5, the pressure medium displacer is used for being matched with a push-pull type sampler for use, and consists of a pressure gauge, a displacer main body, a medium isolating plug and anti-freezing liquid, wherein the pressure gauge is connected to the displacer main body, the anti-freezing liquid and the medium isolating plug are arranged in the displacer main body, the anti-freezing liquid is located between the pressure gauge and the medium isolating plug and used for conducting pressure, and after measured pressure media enter the displacer main body, the medium isolating plug moves towards the pressure gauge end to push the anti-freezing liquid into the pressure gauge along with the change of the pressure of the coming liquid, so that the purpose of medium displacement is achieved, and the freezing problem of the pressure gauge during field pressure taking and pressure holding in winter is effectively solved. And one end of the pressure medium displacer is provided with an external thread, the thread pitch of the external thread is the same as that of the internal thread of the pressure gauge seat of the push-pull type sampler, and the pressure medium displacer is screwed on the pressure gauge seat of the push-pull type sampler during data recording.
When sampling, the push-pull type sampler is screwed in a fluid outlet of the data recording device, the pressure gauge seat faces downwards (in the ground direction), the push-pull handle is held by a hand to pull out the moving rod column backwards, then one end of the switch key with the concave eccentric combined groove body is inserted into the valve body, the concave eccentric combined groove body is meshed with the switch assembly of the sealing valve core body, the switch key is screwed towards the left side to enable the sealing valve core body to move backwards in the valve body, so that the cone body at one end of the sealing valve core body is opened with the nylon sealing seat, and sample liquid flows out through the push-pull type sampler to realize sampling operation. After sampling, the switch key is screwed to the right side to make the sealing valve core move forwards in the valve body, so that the cone body at one end of the sealing valve core and the nylon sealing seat are closed, the push-pull type sampler is screwed out from the fluid outlet of the data recording device, and then the push-pull handle is held by hand to push the moving rod column forwards and push out the sample liquid remained in the sampler main body.
When pressure is taken and suppressed, the push-pull type sampler is screwed in a fluid outlet of the data recording device, a pressure gauge seat is upward (opposite to the sampling direction), one end of the pressure medium displacer is screwed on the pressure gauge seat of the push-pull type sampler, the pressure gauge is screwed at the other end of the pressure medium displacer, a push-pull handle is held by hand to pull out the moving rod column backwards, then one end of the switch key with a concave eccentric combined groove body is inserted into the valve body, the concave eccentric combined groove body is meshed with a switch assembly of the sealing valve core body, the switch key is screwed leftwards to enable the sealing valve core body to move backwards in the valve body, one end of the cone body of the sealing valve core body is enabled to be opened with the nylon sealing seat, pressure media entering the displacer main body push a medium isolating plug to push condensed antifreeze liquid into the pressure gauge, and pressure taking and suppressing operations are realized. After the pressure is taken and the pressure is suppressed, the switch key is screwed rightwards to drive the conical surface body at one end of the sealing valve core body and the nylon sealing seat to be closed, the push-pull type sampler is screwed out from the fluid outlet of the data recording device, and then the push-pull handle is held by hand to push the movable rod column forwards to push out the oil liquid remained in the sampler main body.
The above description is only for the specific embodiments of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art can easily conceive of the changes or substitutions within the technical scope of the present invention, and all the changes or substitutions should be covered within the scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims.
Claims (6)
1. A multi-functional well head data admission device which characterized in that: the anti-theft screwed pipe plug is connected with the main shell, a boss is arranged in the main shell, the sealing seat is arranged on the boss, a through hole is transversely and correspondingly arranged on the wall of the main shell, and the data recording device penetrates through and is connected with the through hole; the data recording device comprises a valve body, a sealing valve core body, a nylon sealing seat and a nylon sealing seat locking wire, wherein the valve body is a hollow body, the side wall of the valve body is provided with a through overflow hole channel, the sealing valve core body is a cylinder, one end of the sealing valve core body is a switch assembly, the other end of the sealing valve core body is a conical surface, the nylon sealing seat locking wire is used for fixing the nylon sealing seat arranged in the valve body, and the conical surface of the sealing valve core body is connected with the nylon sealing seat; the switch assembly is formed by sequentially combining a plurality of cylinders with gradually changed diameters, and the center of the switch assembly deviates from the center of the sealing valve core body and is the center of the cylinder; still include the switch key, the switch key is used for using with the switch assembly is supporting, and the switch key sets up eccentric combination cell body, and eccentric combination cell body cup joints with the switch assembly is corresponding mutually.
2. The multifunctional wellhead data recording device according to claim 1, characterized in that: still the seal receptacle roof-rack is the tubular product that sets up the trompil on the hollow shape rampart.
3. A multifunctional wellhead data recording device as claimed in claim 1 or 2, wherein: the valve body is internally provided with threads, the side surface of the sealing valve core body is provided with threads, and the sealing valve core body is screwed into the valve body and connected through the threads.
4. A multi-function wellhead data recording device as claimed in claim 3, wherein: the through overflow hole is communicated with the main shell.
5. The multifunctional wellhead data recording device as claimed in claim 4, wherein: the sampler is characterized by further comprising a push-pull type sampler, wherein the push-pull type sampler comprises a sampler main body, an oil seal gland, an oil seal and a movable rod column, a pressure gauge seat is arranged on the sampler main body, the pressure gauge seat is provided with an internal thread, the movable rod column penetrates through the oil seal gland and the oil seal, the movable rod column is arranged inside the sampler main body, one end of the movable rod column is provided with a push-pull handle, and the oil seal gland fixes the oil seal in the sampler main body.
6. The multifunctional wellhead data recording device according to claim 5, characterized in that: the pressure medium displacer is composed of a pressure gauge, a displacer main body, a medium isolating plug and anti-freezing liquid, the pressure gauge is connected to the displacer main body, the anti-freezing liquid and the medium isolating plug are arranged in the displacer main body, and the anti-freezing liquid is located between the pressure gauge and the medium isolating plug.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610289769.9A CN105781535B (en) | 2016-05-04 | 2016-05-04 | Multifunctional wellhead data recording device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610289769.9A CN105781535B (en) | 2016-05-04 | 2016-05-04 | Multifunctional wellhead data recording device |
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| CN105781535A CN105781535A (en) | 2016-07-20 |
| CN105781535B true CN105781535B (en) | 2022-10-21 |
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Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN107120085B (en) * | 2017-06-13 | 2020-04-10 | 天津大港油田石油工程研究院钻采技术开发有限公司 | Oil casing pipe plug |
Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4553598A (en) * | 1981-08-06 | 1985-11-19 | Schlumberger Technology Corporation | Full bore sampler valve apparatus |
| CA2139740A1 (en) * | 1992-07-09 | 1994-01-20 | Douglas A. Newberg | Automated sample extractor or feeder/inoculator for bioreactors and similar equipment |
| CN2480827Y (en) * | 2001-06-19 | 2002-03-06 | 程世英 | Theft-proof pressure-measuring oil sampling device for oil-production hole top |
| CN201083127Y (en) * | 2007-08-17 | 2008-07-09 | 大庆油田有限责任公司 | Anti-freezing anti-theft sampling pipe plug |
| CA2641707A1 (en) * | 2007-10-09 | 2009-04-09 | Datacan Services Corp. | Valve apparatus |
| CN103030916A (en) * | 2012-11-23 | 2013-04-10 | 中国石油天然气股份有限公司 | Gel composition and nitrogen-foamed gel composite temporary plugging agent containing same |
| CN103147749A (en) * | 2013-02-28 | 2013-06-12 | 西南石油大学 | Novel physical model experiment device for two-dimensional heterogeneous reservoir bed |
| CN103447347A (en) * | 2013-09-17 | 2013-12-18 | 西安麦特沃金液控技术有限公司 | Continuous drawing production line and production method of strip product |
| CN204591214U (en) * | 2015-05-14 | 2015-08-26 | 中国石油化工股份有限公司 | Anti-theft oil well exempts from emptying sampling valve |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202064937U (en) * | 2011-05-30 | 2011-12-07 | 赵宇 | Anti-freezing and burglar-proof pressure recording device |
| CN205714180U (en) * | 2016-05-04 | 2016-11-23 | 王洪绪 | A kind of multifunctional well head data recording device |
-
2016
- 2016-05-04 CN CN201610289769.9A patent/CN105781535B/en active Active
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4553598A (en) * | 1981-08-06 | 1985-11-19 | Schlumberger Technology Corporation | Full bore sampler valve apparatus |
| CA2139740A1 (en) * | 1992-07-09 | 1994-01-20 | Douglas A. Newberg | Automated sample extractor or feeder/inoculator for bioreactors and similar equipment |
| CN2480827Y (en) * | 2001-06-19 | 2002-03-06 | 程世英 | Theft-proof pressure-measuring oil sampling device for oil-production hole top |
| CN201083127Y (en) * | 2007-08-17 | 2008-07-09 | 大庆油田有限责任公司 | Anti-freezing anti-theft sampling pipe plug |
| CA2641707A1 (en) * | 2007-10-09 | 2009-04-09 | Datacan Services Corp. | Valve apparatus |
| CN103030916A (en) * | 2012-11-23 | 2013-04-10 | 中国石油天然气股份有限公司 | Gel composition and nitrogen-foamed gel composite temporary plugging agent containing same |
| CN103147749A (en) * | 2013-02-28 | 2013-06-12 | 西南石油大学 | Novel physical model experiment device for two-dimensional heterogeneous reservoir bed |
| CN103447347A (en) * | 2013-09-17 | 2013-12-18 | 西安麦特沃金液控技术有限公司 | Continuous drawing production line and production method of strip product |
| CN204591214U (en) * | 2015-05-14 | 2015-08-26 | 中国石油化工股份有限公司 | Anti-theft oil well exempts from emptying sampling valve |
Non-Patent Citations (4)
| Title |
|---|
| Experimental study of the medium velocity impact response of sandwich panels with different cores;Ramakrishnan等;《Materials and Design》;20160311;68-82 * |
| 井口防盗装置的研究及应用;陈立萍等;《中国石油和化工标准与质量》;20111231;第31卷(第007期);65 * |
| 相国寺储气库注采气井的安全风险及对策建议;刘坤等;《天然气工业》;20131231;第33卷(第009期);131-135 * |
| 防盗防喷式井口压力表接头的研制与应用;蒋素娟;《中国石油和化工标准与质量》;20121231(第012期);98 * |
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| CN105781535A (en) | 2016-07-20 |
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