CN104864162B - Multifunctional ball valve assembly for thickened oil thermal production well - Google Patents
Multifunctional ball valve assembly for thickened oil thermal production well Download PDFInfo
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- CN104864162B CN104864162B CN201510158189.1A CN201510158189A CN104864162B CN 104864162 B CN104864162 B CN 104864162B CN 201510158189 A CN201510158189 A CN 201510158189A CN 104864162 B CN104864162 B CN 104864162B
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- ball valve
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- pull
- outer tube
- sleeve
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- 238000004519 manufacturing process Methods 0.000 title abstract description 11
- 238000000605 extraction Methods 0.000 claims description 21
- 238000007789 sealing Methods 0.000 claims description 16
- 230000008859 change Effects 0.000 claims description 7
- 238000006073 displacement reaction Methods 0.000 claims description 4
- 229910000851 Alloy steel Inorganic materials 0.000 claims description 3
- 230000009471 action Effects 0.000 claims description 3
- 238000000034 method Methods 0.000 abstract description 8
- 230000008569 process Effects 0.000 abstract description 8
- 238000003825 pressing Methods 0.000 abstract 1
- 239000003921 oil Substances 0.000 description 14
- 238000011084 recovery Methods 0.000 description 8
- 230000000694 effects Effects 0.000 description 4
- 238000002347 injection Methods 0.000 description 4
- 239000007924 injection Substances 0.000 description 4
- 239000002184 metal Substances 0.000 description 4
- 229910000831 Steel Inorganic materials 0.000 description 3
- 239000010959 steel Substances 0.000 description 3
- 208000002925 dental caries Diseases 0.000 description 2
- 239000007769 metal material Substances 0.000 description 2
- 239000003208 petroleum Substances 0.000 description 2
- 238000012360 testing method Methods 0.000 description 2
- 230000015556 catabolic process Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 239000010779 crude oil Substances 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000002955 isolation Methods 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 238000003801 milling Methods 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K31/00—Actuating devices; Operating means; Releasing devices
- F16K31/44—Mechanical actuating means
- F16K31/53—Mechanical actuating means with toothed gearing
- F16K31/54—Mechanical actuating means with toothed gearing with pinion and rack
-
- 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
- E21B34/00—Valve arrangements for boreholes or wells
- E21B34/06—Valve arrangements for boreholes or wells in wells
- E21B34/12—Valve arrangements for boreholes or wells in wells operated by movement of casings or tubings
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Life Sciences & Earth Sciences (AREA)
- Geology (AREA)
- Mining & Mineral Resources (AREA)
- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- Environmental & Geological Engineering (AREA)
- Fluid Mechanics (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Taps Or Cocks (AREA)
Abstract
The invention relates to a multifunctional ball valve assembly for a thickened oil thermal production well. The multifunctional ball valve comprises an upper connector of which the upper rend can be connected with an oil pipe connector, a push-pull sleeve of which the upper end is fixedly connected with the lower end of the upper connector, two gear racks symmetrically and fixedly arranged at the lower end of the push-pull sleeve and extending in the axial direction, a ball valve sleeve of which the upper end is sleeved by the push-pull sleeve and capable of sliding up and down relative to the push-pull sleeve, a ball valve core rotatably mounted in the cavity of the ball valve sleeve through two symmetrically and fixedly arranged ball valve rods, and two gears mounted outside the ball valve sleeve and fixedly connected with the two ball valve rods respectively, wherein a lower connector in sealed connection with an anchor is further arranged at the lower end of the ball valve sleeve; the gear racks at the lower end of the push-pull sleeve are meshed with the gears all the time. In the lifting or pressing process of the upper connector, the gear racks drive the gears to rotate, the gears drive the ball valve rods fixedly connected with the gears to rotate together, and the ball valve rods drive the ball valve core to rotate, so that the opening and closing of the ball valve assembly is realized. The multifunctional ball valve assembly can be widely applied to production operation of the thickened oil thermal production well.
Description
Technical field
The present invention relates to the downhole tool that a kind of thick oil thermal extraction is used, more particularly to a kind of thick oil thermal extraction is with multi-functional
Ball valve assembly.
Background technology
In currently known thickened oil recovery production process, the means such as widely used heat injection by heating crude oil, then using electricity
The means such as pump are exploited.In this development process, first have to down heat injection tubing string, add thermal medium to inject stratum steam etc., then
Enter flow string under secondary to be exploited；Downhole safety, protection production work in this recovery process, in order to ensure production period
The life security and oil reservoir of people not contaminated and marine environment in recovery process is not contaminated, using special on producing well
The anti-fouler of construction is necessary.But it is particularly each for downhole tool because down-hole is often the complex environments such as HTHP
The sealing property of kind down-hole valve and the requirement of on-off mode are all especially high, and conventional tool is unable to high temperature resistant, is not suitable for heat
Operation is adopted, and existing valvular opening and closing mostly adopt manual mode, need to carry out steel wire operation, and operating risk is high,
Efficiency is low, it is impossible to ensure nonexpondable demand, affects using effect.Therefore, lacking now can be in the severe down-hole such as high temperature
The special underwell tool of reservoir is protected in environment.
The content of the invention
For the problems referred to above, it is an object of the invention to provide a kind of structural principle is simple, be easy to operation and safe and reliable, energy
Meet the thick oil thermal extraction multi-function ball valve module of heavy crude heat extraction operating condition.
For achieving the above object, the present invention takes technical scheme below：A kind of thick oil thermal extraction multi-function ball valve module,
Characterized in that, pushing away of being fixedly connected with the top connection lower end of the top connection that can be connected with oil pipe including upper end, upper end
Help pull a cart, be symmetrically fixedly installed on push-and-pull set lower end and two tooth bars that axially extend, upper end are set in the push-and-pull set
And can be rotatably mounted relative to the ball valve set, two ball valve rods by being symmetrically fixedly installed that the push-and-pull set is slided up and down
A ball valve core in the ball valve mantle cavity body, and be fixedly connected with ball valve rod described in two respectively outside ball valve set
Two gears；The ball valve set lower end is additionally provided with the lower contact that can be tightly connected with grappling, and the push-and-pull covers the tooth bar of lower end
Keep being meshed all the time with the gear.
A upper seal support and once is also respectively provided with the ball valve mantle cavity body, in the upper and lower of the ball valve core
Seal receptacle, and the upper seal support and bottom sealing socket be steel alloy and make；The upper seal support top is additionally provided with a screw
Set, the turnbuckle is directly engaged with the ball valve set and for the upper seal support to be pressed on the ball valve core top, it is described under
Seal receptacle lower section is additionally provided with a spring, the bottom sealing socket is close under the ball valve core in the presence of the spring
Portion.
The ball valve set top is additionally provided with a T-shaped pressure ring, and the pressure ring lower end is fixedly connected with the ball valve set upper side,
Pressure ring top external diameter covers top external diameter more than the ball valve, less than the internal diameter of push-and-pull set, to the ball valve limit has been covered
Position effect, prevents the ball valve set abjection push-and-pull set.
A sleeve is additionally provided between the push-and-pull set and ball valve set, the sleeve is fixed with push-and-pull set
Connection, moves up and down together with push-and-pull set along ball valve set, changes the length of the sleeve to change the push-and-pull
The movement travel along ball valve set is covered, the on off state of the ball valve assembly is judged by oil pipe displacement.
The push-and-pull set and ball valve set upper outside are also arranged with an outer tube, the outer tube lower end and the ball valve set
Lower step is fixedly connected, and the outer tube upper end is pressed on the push-and-pull and covers on outer wall by fastening ring；The outer tube both sides are also
Two bearing pins are symmetrically arranged with, bearing pin described in two is connected respectively with ball valve rod described in two.
In the top connection and push-and-pull set junction, the push-and-pull set and the sleeve junction, the tightening
Set and ball valve set junction, the ball valve set and the pressure ring junction, the outer tube and the fastening ring junction, institute
State fastening ring to be sealed using quoit with the lower contact junction with push-and-pull set junction, the outer tube.
The top connection and lower contact adopt API standard button-type.
Due to taking above technical scheme, it has advantages below to the present invention：1st, the present invention pass through and ball valve rod connection
Gear with and the push-and-pull tooth bar that be connected of set coordinate the opening and closing that control ball valve assembly so that ball valve assembly can be on tubing string
Carry and complete during pushing to open and close, structural principle is simple, be easy to operation and safe and reliable, can Reusability, energy
Enough meet the operation process such as thick oil thermal extraction heat injection, production, test, it is also possible to meet in thermal recovery operation process to reservoir protection
Job requirements, it is not necessary to carry out steel wire operation, are greatly reduced operating risk, improve operating efficiency.2nd, the present invention is due to ball valve core
Using the direct seal form of metal to metal between each part, and whole ball valve assembly do not have any electronic device and
Rubber element, switch is all performed by mechanical system, thereby may be ensured that ball valve assembly is long in the severe subsurface environment such as high temperature
Phase works, and meets heavy crude heat extraction job requirements, filled up thermal recovery field note adopt a blank 3 in integrated pipe column, this
Bright simple structure, be easy to operation, low cost of manufacture.
Description of the drawings
Fig. 1 is the cross section structure diagram of the present invention.
Specific embodiment
The present invention is described in detail with reference to the accompanying drawings and examples.
As shown in figure 1, the thick oil thermal extraction multi-function ball valve module that the present invention is provided, it includes that upper end can be with oil pipe
The push-and-pull that one top connection 1, upper end of (not shown) connection is fixedly connected with the lower end of top connection 1 covers 2, is symmetrically fixedly installed
Two tooth bars 3, upper end for covering 2 lower ends and axially extending in push-and-pull are set in push-and-pull set 2 and can be relative to downslides on push-and-pull set 2
A dynamic ball valve is covered 4, the ball valve that ball valve is covered in 4 cavitys is installed in rotation on by two ball valve rods 5 being symmetrically fixedly installed
Core 6, and installed in outer two gears 7 being fixedly connected with two ball valve rods 5 respectively of ball valve set 4,4 lower ends of ball valve set are additionally provided with can
The lower contact 8 that (not shown) is connected is sealed with grappling, push-and-pull covers the tooth bar 3 of 2 lower ends and keeps being meshed all the time with gear 7；
During the lifting or pushing of top connection 1, tooth bar 3 is rotated with moving gear 7, gear 7 drive with its pass through spline (only as
Example, however it is not limited to this) ball valve rod 5 that is fixedly connected rotates together, ball valve rod 5 drives again ball valve core 6 to rotate, so as to realize ball valve
The opening and closing of component.
In above-described embodiment, as shown in figure 1, ball valve covers in 4 cavitys, is also respectively provided with the upper and lower of ball valve core 6
There are a upper seal support 9 and a bottom sealing socket 10, and upper seal support 9 and bottom sealing socket 10 are the metal materials such as steel alloy and make,
It is the direct seal form of metal to metal between ball valve core 6, is independent of rubber element, the work of heavy crude heat extraction can be met
Condition, and can be in down-hole long-term work.
In above-described embodiment, as shown in figure 1, the top of upper seal support 9 is additionally provided with a turnbuckle 11, turnbuckle 11 directly with
Ball valve set 4 is engaged, and upper seal support 9 is pressed on into the top of ball valve core 6 by the connection of turnbuckle 11 and ball valve set 4, under it is close
The lower section of envelope seat 10 is additionally provided with a spring 12, makes bottom sealing socket 10 be close to the bottom of ball valve core 6 in the presence of spring 12, so as to
Upper seal support 9 and bottom sealing socket 10 is set to keep being brought into close contact all the time with ball valve core 6 in the rotation process of ball valve core 6, so as to
Ensure the sealing effectiveness to ball valve assembly.
In above-described embodiment, as shown in figure 1, ball valve covers 4 tops is additionally provided with a T-shaped pressure ring 13, the lower end of pressure ring 13 and ball
The upper end of valve pocket 4 by screw thread (only as example, however it is not limited to this) be fixedly connected, the top external diameter of pressure ring 13 more than ball valve set 4 on
Portion's external diameter, less than the internal diameter of push-and-pull set 2, such that it is able to spacing to ball valve set 4, prevents ball valve set 4 from deviating from push-and-pull set 2.
In above-described embodiment, a sleeve 14, sleeve 14 and push-and-pull set 2 are additionally provided between push-and-pull set 2 and ball valve set 4
By screw thread (only as example, however it is not limited to this) be fixedly connected, can with push-and-pull set 2 together with along ball valve set 4 move up and down, tightly
Surely there is set 14 control push-and-pull to cover the effect of 2 movement travels, and changing the length of sleeve 14 can change push-and-pull set 2 along ball valve set
4 movement travel；It is also possible to judge the on off state of ball valve assembly by the displacement of oil pipe.
In above-described embodiment, as shown in figure 1, push-and-pull set 2 and ball valve cover 4 upper outsides is also arranged with an outer tube 15, outer tube
15 lower ends cover 4 lower steps and are fixedly connected with ball valve, and the upper end of outer tube 15 is pressed on push-and-pull and covers on 2 outer walls by fastening ring 17；Outward
Cylinder 15 both sides be also symmetrically arranged with two bearing pins 16, two bearing pins 16 are connected respectively with two ball valve rods 5, can ball valve assembly open with
Ensure the stability that ball valve core 6 is rotated in closing process, whole action is carried out along planned orbit.
In above-described embodiment, as shown in figure 1, top connection 1 and lower contact 8 adopt API (American Petroleum
Institute, American Petroleum Institute (API)) standard button-type, it is connected with other OCTGs with facilitating.
In above-described embodiment, as shown in figure 1, the sealing to be further ensured that ball valve assembly, in top connection 1 and push-and-pull set
2 junctions, push-and-pull set 2 cover 4 junctions, ball valve set 4 and are connected with pressure ring 13 with the junction of sleeve 14, sleeve 14 with ball valve
Place, outer tube 15 cover 2 junctions, outer tube 15 and adopt with the junction of lower contact 8 with the junction of fastening ring 17, fastening ring 17 with push-and-pull
Quoit 18 is sealed.
When in use, the connected pipes of top connection 1, the connection grappling sealing of lower contact 8 can play isolation bottom pipe to the present invention
Post and mark tubing string are lowered into the effect of position.During upper lifting pipe post, top connection 1 drives push-and-pull set 2 to cover 4 upwards along ball valve
Motion, because the tooth bar 3 that push-and-pull covers the connection of 2 lower ends is remained with gear 7 and engaged, gear 7 can drive that to pass through spline with it solid
The ball valve rod 5 of fixed connection is rotated together, and ball valve rod 5 drives again ball valve core 6 to rotate, and completes the closing motion of ball valve assembly；It is identical
Ground, during tubing string is pushed, top connection 1 drives push-and-pull set 2 to move downward along ball valve set 4, because push-and-pull covers the connection of 2 lower ends
Tooth bar 3 remain and engage that gear 7 can drive and reversely turn together with it passes through the ball valve rod 5 that spline is fixedly connected with gear 7
Dynamic, ball valve rod 5 drives again ball valve core 6 to rotate backward, and completes the breakdown action of ball valve assembly；Present configuration is simple, be easy to behaviour
Make and safe and reliable, disclosure satisfy that the operation process such as thick oil thermal extraction heat injection, production, test, it is not necessary to carry out steel wire operation, greatly
Width reduces operating risk, improves operating efficiency；Meet in thermal recovery operation process to the job requirements of reservoir protection simultaneously, effectively carry
Competitiveness of the company of liter in thermal recovery field.In the presence of turnbuckle 11 and spring 12, upper seal support 9 and bottom sealing socket 10 are in ball
Valve element 6 keeps all the time being brought into close contact during rotating with ball valve core 6, and the sealing of ball valve assembly is effectively ensured；Meanwhile, it is upper close
Envelope seat 9 and bottom sealing socket 10 are all made up of metal material, by milling, act directly on ball valve core 6, each part of ball valve assembly
Crucial junction also all sealed using quoit 18, not comprising any electronic component and rubber element, such that it is able to protect
Card ball valve assembly works for a long time in the severe subsurface environment such as high temperature, meets heavy crude heat extraction job requirements, has filled up in thermal recovery
Field note adopts a blank in integrated pipe column.Present configuration is simple, be easy to operation, low cost of manufacture.
The various embodiments described above are merely to illustrate the present invention, wherein the structure of each part, connected mode etc. all can be
Change, every equivalents carried out on the basis of technical solution of the present invention and improvement should not be excluded the present invention's
Outside protection domain.
Claims (9)
1. a kind of thick oil thermal extraction multi-function ball valve module, it is characterised in that including upper end can be connected with oil pipe one on connect
A push-and-pull set that head, upper end are fixedly connected with the top connection lower end, symmetrically it is fixedly installed on push-and-pull set lower end and along axle
The ball valve set that is set in push-and-pull set to two tooth bars, upper end for extending and can slide up and down relative to the push-and-pull set,
The ball valve core being installed in rotation on by two ball valve rods being symmetrically fixedly installed in the ball valve mantle cavity body, and be arranged on
Two gears being fixedly connected with ball valve rod described in two respectively outside the ball valve set；The ball valve set lower end is additionally provided with energy and grappling
The lower contact being tightly connected, the tooth bar of the push-and-pull set lower end keeps being meshed all the time with the gear；
In the ball valve mantle cavity body, it is also respectively provided with a upper seal support in the upper and lower of the ball valve core and once seals
Seat, and the upper seal support and bottom sealing socket be steel alloy and make；The upper seal support top is additionally provided with a turnbuckle, institute
State turnbuckle and be directly engaged with the ball valve set and the upper seal support is pressed on into the ball valve core top, the bottom sealing socket
Lower section is additionally provided with a spring, makes the bottom sealing socket be close to the ball valve core bottom in the presence of the spring.
2. a kind of thick oil thermal extraction multi-function ball valve module as claimed in claim 1, it is characterised in that the ball valve puts
Portion is additionally provided with a T-shaped pressure ring, and the pressure ring lower end is fixedly connected with the ball valve set upper side, and pressure ring top external diameter is more than
The ball valve covers top external diameter, less than the internal diameter of push-and-pull set, to the ball valve position-limiting action has been covered, and prevents the ball valve set
Deviate from the push-and-pull set.
3. a kind of thick oil thermal extraction multi-function ball valve module as claimed in claim 1, it is characterised in that the push-and-pull set with
A sleeve is additionally provided between the ball valve set, the sleeve is fixedly connected with the push-and-pull set, with push-and-pull set one
Rise and moved up and down along ball valve set, change the length of the sleeve to change the push-and-pull set along moving that the ball valve covers
Stroke, the on off state of the ball valve assembly is judged by oil pipe displacement.
4. a kind of thick oil thermal extraction multi-function ball valve module as claimed in claim 2, it is characterised in that the push-and-pull set with
A sleeve is additionally provided between the ball valve set, the sleeve is fixedly connected with the push-and-pull set, with push-and-pull set one
Rise and moved up and down along ball valve set, change the length of the sleeve to change the push-and-pull set along moving that the ball valve covers
Stroke, the on off state of the ball valve assembly is judged by oil pipe displacement.
5. a kind of thick oil thermal extraction multi-function ball valve module as claimed in claim 1, it is characterised in that the push-and-pull set and
The ball valve set upper outside is also arranged with an outer tube, and the outer tube lower end is fixedly connected with ball valve set lower step, institute
State outer tube upper end to be pressed on the push-and-pull set outer wall by fastening ring；The outer tube both sides are also symmetrically arranged with two bearing pins, and two
The bearing pin is connected respectively with ball valve rod described in two.
6. a kind of thick oil thermal extraction multi-function ball valve module as claimed in claim 3, it is characterised in that the push-and-pull set and
The ball valve set upper outside is also arranged with an outer tube, and the outer tube lower end is fixedly connected with ball valve set lower step, institute
State outer tube upper end to be pressed on the push-and-pull set outer wall by fastening ring；The outer tube both sides are also symmetrically arranged with two bearing pins, and two
The bearing pin is connected respectively with ball valve rod described in two.
7. a kind of thick oil thermal extraction multi-function ball valve module as claimed in claim 4, it is characterised in that the push-and-pull set and
The ball valve set upper outside is also arranged with an outer tube, and the outer tube lower end is fixedly connected with ball valve set lower step, institute
State outer tube upper end to be pressed on the push-and-pull set outer wall by fastening ring；The outer tube both sides are also symmetrically arranged with two bearing pins, and two
The bearing pin is connected respectively with ball valve rod described in two.
8. a kind of thick oil thermal extraction multi-function ball valve module as claimed in claim 7, it is characterised in that in the top connection
With push-and-pull set junction, the push-and-pull set and the sleeve junction, the sleeve and ball valve set junction,
The ball valve set and the pressure ring junction, the outer tube and the fastening ring junction, the fastening ring and the push-and-pull set
Junction, the outer tube and the lower contact junction are sealed using quoit.
9. a kind of thick oil thermal extraction multi-function ball valve module as described in claim 1 or 4 or 6 or 7 or 8, it is characterised in that
The top connection and lower contact adopt API standard button-type.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510158189.1A CN104864162B (en) | 2015-04-03 | 2015-04-03 | Multifunctional ball valve assembly for thickened oil thermal production well |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510158189.1A CN104864162B (en) | 2015-04-03 | 2015-04-03 | Multifunctional ball valve assembly for thickened oil thermal production well |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104864162A CN104864162A (en) | 2015-08-26 |
| CN104864162B true CN104864162B (en) | 2017-05-10 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510158189.1A Active CN104864162B (en) | 2015-04-03 | 2015-04-03 | Multifunctional ball valve assembly for thickened oil thermal production well |
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| Country | Link |
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| CN (1) | CN104864162B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2022060385A1 (en) * | 2020-09-16 | 2022-03-24 | Halliburton Energy Services, Inc. | Single-trip deployment and isolation using ball valve |
Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106761551B (en) * | 2017-02-03 | 2018-01-16 | 东北石油大学 | The anti-pollution controller of oil pipe overflow |
| CN107461174B (en) * | 2017-09-26 | 2023-07-21 | 西南石油大学 | Underground safety valve |
| CN107829709B (en) * | 2017-11-11 | 2020-07-14 | 中石化石油工程技术服务有限公司 | Full-bore pressure-controlled test valve |
| US20190257174A1 (en) * | 2018-02-18 | 2019-08-22 | Kobold Corporation | Selector valve for use in completion operations |
| CN116045097B (en) * | 2023-04-03 | 2023-06-16 | 烟台国冶冶金水冷设备有限公司 | Boiler pipeline supporting device |
| CN117468887B (en) * | 2023-12-27 | 2024-03-12 | 中国石油集团渤海钻探工程有限公司 | Screw thread rotary seat packer for gas injection and production well |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4422618A (en) * | 1981-12-01 | 1983-12-27 | Armco Inc. | Remotely operated valve |
| US4871019A (en) * | 1988-09-07 | 1989-10-03 | Atlantic Richfield Company | Wellbore fluid sampling apparatus |
| CN2528929Y (en) * | 2001-10-18 | 2003-01-01 | 中国石化胜利油田有限公司采油工艺研究院 | Underground control valve |
| CN203412563U (en) * | 2013-07-31 | 2014-01-29 | 中国石油集团西部钻探工程有限公司 | Drillable slide sleeve |
| CN204677870U8 (en) * | 2015-04-03 | 2017-05-03 | 中国海洋石油总公司 | Thick oil thermal extraction multi-function ball valve module |
-
2015
- 2015-04-03 CN CN201510158189.1A patent/CN104864162B/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2022060385A1 (en) * | 2020-09-16 | 2022-03-24 | Halliburton Energy Services, Inc. | Single-trip deployment and isolation using ball valve |
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| CN104864162A (en) | 2015-08-26 |
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Address after: 100010 Beijing, Chaoyangmen, North Street, No. 25, No. Applicant after: China National Offshore Oil Corporation Applicant after: CNOOC Research Institute Applicant after: ENGINEERING TECHNOLOGY BRANCH, CNOOC ENERGY TECHNOLOGY & SERVICES LIMITED Address before: 100010 Beijing, Chaoyangmen, North Street, No. 25, No. Applicant before: China National Offshore Oil Corporation Applicant before: CNOOC Research Institute Applicant before: Energy development engineering branch company of CNOOC |
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Address after: 100010 Beijing, Chaoyangmen, North Street, No. 25, No. Co-patentee after: CNOOC research institute limited liability company Patentee after: China Offshore Oil Group Co., Ltd. Co-patentee after: ENGINEERING TECHNOLOGY BRANCH, CNOOC ENERGY TECHNOLOGY & SERVICES LIMITED Address before: 100010 Beijing, Chaoyangmen, North Street, No. 25, No. Co-patentee before: CNOOC Research Institute Patentee before: China National Offshore Oil Corporation Co-patentee before: ENGINEERING TECHNOLOGY BRANCH, CNOOC ENERGY TECHNOLOGY & SERVICES LIMITED |
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Effective date of registration: 20200225 Address after: 100010 Beijing, Chaoyangmen, North Street, No. 25, No. Co-patentee after: CNOOC research institute limited liability company Patentee after: China Offshore Oil Group Co., Ltd. Address before: 100010 Beijing, Chaoyangmen, North Street, No. 25, No. Co-patentee before: CNOOC research institute limited liability company Patentee before: China Offshore Oil Group Co., Ltd. Co-patentee before: ENGINEERING TECHNOLOGY BRANCH, CNOOC ENERGY TECHNOLOGY & SERVICES LIMITED |