CN110056325A - The pressure testing device and its pressure-measuring method of sucker rod pumping well wellhead installation - Google Patents
The pressure testing device and its pressure-measuring method of sucker rod pumping well wellhead installation Download PDFInfo
- Publication number
- CN110056325A CN110056325A CN201910218925.6A CN201910218925A CN110056325A CN 110056325 A CN110056325 A CN 110056325A CN 201910218925 A CN201910218925 A CN 201910218925A CN 110056325 A CN110056325 A CN 110056325A
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- pressure
- connector
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- 238000012360 testing method Methods 0.000 title claims abstract description 66
- 238000009434 installation Methods 0.000 title claims abstract description 40
- 238000005086 pumping Methods 0.000 title claims abstract description 22
- 238000000034 method Methods 0.000 title claims abstract description 12
- 239000010985 leather Substances 0.000 claims abstract description 30
- 238000007789 sealing Methods 0.000 claims abstract description 30
- 230000007246 mechanism Effects 0.000 claims abstract description 14
- 239000003638 chemical reducing agent Substances 0.000 claims abstract description 9
- 230000007480 spreading Effects 0.000 claims abstract description 9
- 239000007788 liquid Substances 0.000 claims description 10
- 239000011148 porous material Substances 0.000 claims description 7
- 238000012797 qualification Methods 0.000 claims description 7
- NJPPVKZQTLUDBO-UHFFFAOYSA-N novaluron Chemical compound C1=C(Cl)C(OC(F)(F)C(OC(F)(F)F)F)=CC=C1NC(=O)NC(=O)C1=C(F)C=CC=C1F NJPPVKZQTLUDBO-UHFFFAOYSA-N 0.000 claims description 6
- 238000003825 pressing Methods 0.000 claims description 6
- 230000000087 stabilizing effect Effects 0.000 claims description 6
- 230000000740 bleeding effect Effects 0.000 claims description 3
- 238000000280 densification Methods 0.000 claims description 2
- 230000002093 peripheral effect Effects 0.000 claims description 2
- 230000003014 reinforcing effect Effects 0.000 claims description 2
- 230000000694 effects Effects 0.000 description 4
- 239000003208 petroleum Substances 0.000 description 3
- 239000012530 fluid Substances 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000002411 adverse Effects 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000003780 insertion Methods 0.000 description 1
- 230000037431 insertion Effects 0.000 description 1
- 239000003129 oil well Substances 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
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
- E21B33/00—Sealing or packing boreholes or wells
- E21B33/02—Surface sealing or packing
- E21B33/03—Well heads; Setting-up thereof
-
- 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
- E21B47/06—Measuring temperature or pressure
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- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Geology (AREA)
- Mining & Mineral Resources (AREA)
- Physics & Mathematics (AREA)
- Environmental & Geological Engineering (AREA)
- Fluid Mechanics (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Geophysics (AREA)
- Investigation Of Foundation Soil And Reinforcement Of Foundation Soil By Compacting Or Drainage (AREA)
Abstract
The present invention is the pressure testing device and its pressure-measuring method of sucker rod pumping well wellhead installation, it can be during playing sucker rod, it realizes under low discharge capacity to wellhead installation, such as: the testing pressure of well head of the components such as well head big four, blowout preventer, relief line and device, to reach raising operation timeliness, the purpose of worker's labor intensity is reduced.This pressure testing device includes pressure testing sealing mechanism and tube rod connector, and pressure testing sealing mechanism is connect with tube rod connector by reducer union, and ball sealer and circulation port are equipped in tube rod connector, and tube rod connector can be connect with the R a T of underground；Pressure testing sealing mechanism be equipped with leather cup and tubing hanger, between tubing hanger and leather cup equipped with tensioner cone and force tube body, tensioner cone can along force tube body move, by leather cup spreading, sealing down-hole casing inner cavity.Overcome the problems, such as that the prior art can not carry out pressure testing to wellhead installation during playing sucker rod, effectively increases operation timeliness, reduce well control safety accident potential.
Description
Technical field
The present invention is the pressure testing device at well mouth and method of petroleum industry producing well, especially sucker rod pumping well wellhead installation
Pressure testing device and its pressure-measuring method, can rise sucker rod during, realize under low discharge capacity to wellhead installation, such as: well head
The testing pressure of well head of the components such as big four, blowout preventer, relief line and device reduces worker's labor to reach raising operation timeliness
The purpose of fatigue resistance.
Background technique
Since petroleum industry sucker rod pumping well does not have special pressure testing device at well mouth, having sucker rod to be in well can not be to well
Mouth facility pressure testing, it, can only be by whole because the sucker rod in well can not be hung, the annular space between oil pipe and casing cannot seal
After sucker rod rises, pressure testing vehicle could be utilized, pressure testing is carried out to wellhead installation respectively.
Currently, the sucker rod pumping well of petroleum industry during pump detection and workover, injects well killing fluid to stratum first, then
Whole sucker rods must be played out, disassembly well head big four upper flange, installation blowout preventer could be to well head big four junctions, set
Pipe short circuit, blowout preventer, control blowout manifold carry out pressure testing respectively.
According to current well control administrative provisions: " after blowout preventer installation, it can be into through pressure testing qualification in strict accordance with pressure testing standard
Row construction, forbids to construct without pressure testing.", if rise sucker rod activity duration be extended at night, pressure testing vehicle can not
In the case where well pressure testing, can only just wait until second day could be to wellhead installation pressure testing.It thus will appear phenomenon of delaying work, cause
It is prolonged at night to stop work.It stops work for a long time and not only wastes the time, reduces operation timeliness, but also delay lower step process,
Well killing fluid pollutes stratum for a long time, can have an adverse effect to oil well output.
For this purpose, developing a kind of pressure testing device that can carry out wellhead installation at any time during playing sucker rod, very
It is necessary to.
Summary of the invention
The object of the present invention is to provide the pressure testing devices and its pressure-measuring method of sucker rod pumping well wellhead installation, overcome existing
The problem of technology can not be to wellhead installation pressure testing during playing sucker rod, to reach raising operation timeliness, reduce operation at
This, reduces the intensity of worker's labour.
In order to achieve the above object, technical solution of the invention are as follows:
The pressure testing device of sucker rod pumping well wellhead installation includes pressure testing sealing mechanism and tube rod connector, pressure testing sealing mechanism with
Tube rod connector is connected by reducer union, ball sealer and circulation port is equipped in tube rod connector, tube rod connector can be with well
Under R a T connection；Pressure testing sealing mechanism is equipped with leather cup and tubing hanger, and intercommunicating pore, oil are equipped in the ontology of tubing hanger
Equipped with tensioner cone and force tube body between pipe hanger and leather cup, tensioner cone can move along the tube body that exerts a force, by leather cup spreading, close
It shunts in a well cased inner cavity.
Pressure-measuring method is for the pressure testing device of sucker rod pumping well wellhead installation:
A, well head big four upper flange is dismantled, switches the full envelope blowout preventer of installation half according to operation standard；
B, it acts former well oil pipe hanger with sucker rod in well, the pressure testing device of this wellhead installation is promoted to be shorted and is sling,
It is connect by sucker rod connecting hoop with sucker rod in well；
C, it is connect by oil pipe connection screw thread with the oil pipe in well；
D, the pressure testing device for slowly transferring this wellhead installation enters tubing hanging seat in well head big four；
E, hand-turning operating side makes connector drive tensioner cone downlink, by its spreading, sealing down-hole casing in leather cup
Inner cavity；
F, the half envelope flashboard for closing half full envelope blowout preventer, squeezes into liquid pressing out of sleeve valve；
G, it is suppressed according to the rated pressure of half full envelope blowout preventer, pressure stabilizing 15 minutes, pressure drop is qualification, verifying half less than 0.7 Mpa
The sealing performance of the complete half envelope flashboard for sealing blowout preventer, well head big four, casing short joint and control blowout manifold；
H, the half envelope flashboard for bleeding off pressure, opening half full envelope blowout preventer, unloads promotion and is shorted, and closes the full envelope of half full envelope blowout preventer
Liquid pressing is squeezed into flashboard, continuation out of sleeve valve, is suppressed according to the rated pressure of half full envelope blowout preventer, pressure stabilizing 15 minutes,
Pressure drop is qualification, the sealing performance of the blind rams of the full envelope blowout preventer of verifying half less than 0.7 Mpa.
Significant using effect of the invention is: using the present invention can pressure testing time flexible arrangement to wellhead installation, can
The pressure testing at any time during playing sucker rod, it is convenient to by pressure testing arrangement of time on daytime, the night of avoiding, effectively prevent night
Various drawbacks of late pressure testing.Tube rod connector is connected to the lower section of pressure testing sealing mechanism by the present invention, and tube rod connector can be with pumping
Beam hanger is connected with oil pipe, and one dual-purpose.Tube rod connect the sealed ball seat in joint body enter ball seat can block circulation port, block liquid
Lower circulation road, prevent the oil pipe connected below miss caused by pressure testing fail；Circulation can be passed through again when there is pressure in oil pipe
Hole releases stress to the ground.Pressure testing sealing mechanism is equipped with tensioner cone, and can be manually rotated lead screw can make tensioner cone by leather cup spreading,
Hydraulic slip when preventing pressure testing.This pressure testing device connector can pass through different model in the reducer union of different model or size and well
Tubing string connection, overcome the problems, such as the prior art rise sucker rod during can not to wellhead installation carry out pressure testing, effectively improve
Operation timeliness reduces well control safety accident potential, reduces operation and account for the well time.Simultaneously because the present invention is easy to use, examination
It presses program simple, effectively reduces the labor intensity of worker, there is significant using effect and apparent economic benefit can be obtained.
Detailed description of the invention
Fig. 1 is structural schematic diagram of the invention.
Specific embodiment
The present invention is described in detail below in conjunction with attached drawing, is not limited the scope of the invention.Other are with of the invention equivalent
Variation, is within the scope of protection of the invention.
Referring to Fig. 1, the pressure testing device of sucker rod pumping well wellhead installation includes pressure testing sealing mechanism and tube rod connector, examination
Densification sealing mechanism is connect with tube rod connector by reducer union 15, and ball sealer 13 and circulation port 12 are equipped in tube rod connector,
Tube rod connector can be connect with the R a T of underground；Pressure testing sealing mechanism is equipped with leather cup 8 and tubing hanger 1, tubing hanger 1
Ontology in be equipped with intercommunicating pore 3, between tubing hanger 1 and leather cup 8 equipped with tensioner cone 7 and exert a force tube body 19, tensioner cone 7 can
Along force tube body 19 move, by 8 spreading of leather cup, seal down-hole casing inner cavity.
The tube body of the force tube body 19 is equipped with axial slide, tube body is provided with force lead screw 5 and connector 6, connection
Body 6, which passes through to be threadably mounted at outside force lead screw 5, to be connect with tensioner cone 7 and can move along the axial slide of force tube body 19
It moves, tensioner cone 7 is made to pass in and out leather cup 8, it can be by 8 spreading of leather cup and retraction.
The centre bore of the connector 6 is equipped with screw thread and connect with lead screw 5, and the body peripheral of connector 6 is at least provided with two
The axial slide that connecting rod, the connecting rod can pass through force tube body 19 is connect with tensioner cone 7.
The upper end of the lead screw 5 is operating side 20, lower end equipped with stop nut 18 and locking pin 17, and operating side 20 can be set
Set force handle, force handwheel, spanner side or reinforcing thick stick；On the body of rod of lead screw 5 between the connector 6 and operating side 20
It is also equipped with baffle ring 4.5 lower end of lead screw is mounted with stop nut 18 and is provided with the mountable locking pin 17 of through-hole, limits for connector 6
Position.
The baffle ring 4 is fixed on the baffle ring erecting bed two sides of lead screw 5, and baffle ring 4 is capable of fixing in force 19 upper pipes of tube body
It is fixed in the upper end tube nozzle of force tube body 19 between mouth and the inner cavity step of tubing hanger 1 or by baffle ring 4.It is mounted with baffle ring 4
Afterwards, lead screw 5 can be rotated, cannot but be moved up and down, and the fixed form between baffle ring 4 and force 19 upper end tube nozzle of tube body has screw thread
Connection, welding and radial screw are fixed.
The both ends of the force tube body 19 are connect equipped with external screw thread, respectively with tubing hanger 1 and pedestal of leather bowl 16, and exert a force tube body 19
The one end connecting with pedestal of leather bowl 16 is additionally provided with tensioner cone limiting stand, and can limit tensioner cone 7 moves down stroke；Exert a force tube body
The length of axial slide is greater than the bowl body depth of leather cup 8 in 19, and the lower lumen of pedestal of leather bowl 16 is threadedly coupled with reducer union 15.
The upper body of the tensioner cone 7 connect with connector 6, the outer diameter of its underpart ontology be greater than leather cup 8 internal diameter,
Lower part outer circle is bullet, is facilitated in insertion leather cup 8.
Tube rod connector one end is that reducer union connecting pin 14, the other end are sucker rod connecting hoops 11, and sucker rod connects
The inner cavity of box cupling 11 is equipped with sucker rod connection screw thread；Ball seat 9 is equipped in the ontology of tube rod connector, body lower part outer circle is equipped with oil
Pipe connection screw thread 10, ball sealer 13 are mounted on the top of ball seat 9, and circulation port 12 is from 11 outside of ball seat 9 and sucker rod connecting hoop
Oblique perforation in tube rod connector body, circulation port 12 is at least provided with two.Sucker rod in sucker rod connecting hoop 11 connects spiral shell
Line can be connect with the sucker rod of underground, and the oil pipe connection screw thread 10 of tube rod connector body lower part outer circle can connect with the oil pipe of underground
It connects.Ball sealer 13 can block circulation port 2, prevent pressure testing liquid from flowing downward, prevent the oil pipe connected below tube rod connector
The failure of pressure testing caused by leakage, on the other hand when there is pressure in oil pipe, can be released stress to the ground by circulation port 12.
It is bullet, lower part outer circle is cylindrical body that the outer circle of the tubing hanger 1, which is non-isometrical outer circle, top outer circle, connection
Hole 3 is axially extending bore, in the bullet being located on the outside of cylindrical body, and the intercommunicating pore 3 is at least provided with two；1 top outer circle of tubing hanger
Bullet matched with the conical internal cavity of well head big four, a sealing ring 2 be at least installed in bullet.
The pressure-measuring method of pressure testing device for sucker rod pumping well wellhead installation is:
A, well head big four upper flange is dismantled, switches the full envelope blowout preventer of installation half according to operation standard；
B, it acts former well oil pipe hanger with sucker rod in well, the pressure testing device of this wellhead installation is promoted to be shorted and is sling,
It is connect by sucker rod connecting hoop 11 with sucker rod in well；
C, it is connect by oil pipe connection screw thread 10 with the oil pipe in well；
D, the pressure testing device for slowly transferring this wellhead installation enters tubing hanger 1 in well head big four；
E, hand-turning operating side 20 makes connector 6 drive 7 downlink of tensioner cone, by its spreading, sealing well in leather cup 8
It traps tube cavity；
F, the half envelope flashboard for closing half full envelope blowout preventer, squeezes into liquid pressing out of sleeve valve；The liquid squeezed into from sleeve valve
Body enters in force tube body 19 and reducer union 15 via the axial slide in intercommunicating pore 3 and force tube body 19, makes in tubing hanger 1
It is completely filled with liquid in down space, forces ball sealer 13 in tube rod joint body to enter in ball seat 9, blocks circulation port 12；
G, it is suppressed according to the rated pressure of half full envelope blowout preventer, pressure stabilizing 15 minutes, pressure drop is qualification, verifying half less than 0.7 Mpa
The sealing performance of the complete half envelope flashboard for sealing blowout preventer, well head big four, casing short joint and control blowout manifold, such as: the half of 21Mpa
Full envelope blowout preventer needs to suppress 21Mpa, and the half of 35Mpa is complete, and envelope blowout preventer needs to suppress 35Mpa;
H, the half envelope flashboard for bleeding off pressure, opening half full envelope blowout preventer, unloads promotion and is shorted, and closes the full envelope of half full envelope blowout preventer
Liquid pressing is squeezed into flashboard, continuation out of sleeve valve, is suppressed according to the rated pressure of half full envelope blowout preventer, pressure stabilizing 15 minutes,
Pressure drop is qualification, the sealing performance of the blind rams of the full envelope blowout preventer of verifying half less than 0.7 Mpa.
After wellhead installation pressure testing is qualified, normal operational procedure can be continued.
The embodiment described above is only exemplary embodiments, but the present invention is not limited only to these embodiments, this field
Technical staff can make modification without departing from the spirit and inspiration of the present invention.There may be many for aspect disclosed herein
Change, combination and modification, and be within, therefore, protection scope is not limited only to explanation above.
Claims (10)
1. the pressure testing device of sucker rod pumping well wellhead installation, characterized in that including pressure testing sealing mechanism and tube rod connector, examination
Densification sealing mechanism is connect with tube rod connector by reducer union, and ball sealer and circulation port are equipped in tube rod connector, and tube rod connects
Connector can be connect with the R a T of underground；Pressure testing sealing mechanism is equipped with leather cup and tubing hanger, in the ontology of tubing hanger
Equipped with intercommunicating pore, between tubing hanger and leather cup equipped with tensioner cone and force tube body, tensioner cone can along exert a force tube body move,
By the inner cavity of leather cup spreading, sealing down-hole casing.
2. the pressure testing device of sucker rod pumping well wellhead installation as described in claim 1, characterized in that the force tube body
Tube body is equipped with axial slide, tube body is provided with force lead screw and connector, and connector is by being threadably mounted at outside force lead screw
Face connect with tensioner cone and can move along the axial slide of force tube body, tensioner cone is made to pass in and out leather cup.
3. the pressure testing device of sucker rod pumping well wellhead installation as claimed in claim 2, characterized in that in the connector
Heart hole is equipped with screw thread and connect with lead screw, and the body peripheral of connector can be passed through and be applied at least provided with two connecting rods, the connecting rod
The axial slide of solenoid body is connect with tensioner cone.
4. the pressure testing device of sucker rod pumping well wellhead installation as claimed in claim 2 or claim 3, characterized in that the lead screw
Upper end is operating side, lower end equipped with stop nut and locking pin, and force handle, force handwheel, spanner side can be arranged in operating side
Or reinforcing thick stick；Baffle ring is also equipped on the body of rod of lead screw between the connector and operating side.
5. the pressure testing device of sucker rod pumping well wellhead installation as claimed in claim 4, characterized in that the baffle ring is fixed on
The baffle ring erecting bed two sides of lead screw, baffle ring be capable of fixing in force tube body upper end tube nozzle and the inner cavity step of tubing hanger between or
Baffle ring is fixed in the upper end tube nozzle of force tube body.
6. the pressure testing device of sucker rod pumping well wellhead installation as claimed in claim 5, characterized in that the force tube body
Both ends are connect equipped with external screw thread, respectively with tubing hanger and pedestal of leather bowl, and one end that force tube body is connect with pedestal of leather bowl is additionally provided with tensioner
Cone limiting stand；The length of axial slide is greater than the bowl body depth of leather cup, the lower lumen and variable diameter of pedestal of leather bowl in force tube body
Joint screw thread connection.
7. the pressure testing device of sucker rod pumping well wellhead installation as claimed in claim 4, characterized in that the tensioner cone
Upper body is connect with connector, the outer diameter of its underpart ontology is greater than the internal diameter of leather cup, lower part outer circle is bullet.
8. the pressure testing device of sucker rod pumping well wellhead installation as described in claim 1, characterized in that the tube rod connector
One end is that reducer union connecting pin, the other end are sucker rod connecting hoops, and the inner cavity of sucker rod connecting hoop is equipped with sucker rod and connects spiral shell
Line；Ball seat, body lower part outer circle are equipped in the ontology of tube rod connector equipped with oil pipe connection screw thread, ball sealer is mounted on ball seat
Top, circulation port from oblique perforation in the tube rod connector body on the outside of ball seat and sucker rod connecting hoop, circulation port at least provided with
Two.
9. the pressure testing device of sucker rod pumping well wellhead installation as claimed in claim 6, characterized in that outside the tubing hanger
It is bullet, lower part outer circle is cylindrical body that circle, which is non-isometrical outer circle, top outer circle, and intercommunicating pore is axially extending bore, is located at cylindrical body
In the bullet in outside, the intercommunicating pore is at least provided with two；The bullet of tubing hanger top outer circle and the taper of well head big four
Inner cavity matches, at least installs a sealing ring in bullet.
10. pressure-measuring method is for the pressure testing device of sucker rod pumping well wellhead installation described in claim:
A, well head big four upper flange is dismantled, switches the full envelope blowout preventer of installation half according to operation standard；
B, it acts former well oil pipe hanger with sucker rod in well, the pressure testing device of this wellhead installation is promoted to be shorted and is sling,
It is connect by sucker rod connecting hoop with sucker rod in well；
C, it is connect by oil pipe connection screw thread with the oil pipe in well；
D, the pressure testing device for slowly transferring this wellhead installation enters tubing hanging seat in well head big four；
E, hand-turning operating side makes connector drive tensioner cone downlink, by its spreading, sealing down-hole casing in leather cup
Inner cavity；
F, the half envelope flashboard for closing half full envelope blowout preventer, squeezes into liquid pressing out of sleeve valve；
G, it is suppressed according to the rated pressure of half full envelope blowout preventer, pressure stabilizing 15 minutes, pressure drop is qualification, verifying half less than 0.7 Mpa
The sealing performance of the complete half envelope flashboard for sealing blowout preventer, well head big four, casing short joint and control blowout manifold；
H, the half envelope flashboard for bleeding off pressure, opening half full envelope blowout preventer, unloads promotion and is shorted, and closes the full envelope of half full envelope blowout preventer
Liquid pressing is squeezed into flashboard, continuation out of sleeve valve, is suppressed according to the rated pressure of half full envelope blowout preventer, pressure stabilizing 15 minutes,
Pressure drop is qualification, the sealing performance of the blind rams of the full envelope blowout preventer of verifying half less than 0.7 Mpa.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910218925.6A CN110056325B (en) | 2019-03-21 | 2019-03-21 | Pressure testing device and method for sucker rod pump oil production well mouth facility |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910218925.6A CN110056325B (en) | 2019-03-21 | 2019-03-21 | Pressure testing device and method for sucker rod pump oil production well mouth facility |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN110056325A true CN110056325A (en) | 2019-07-26 |
| CN110056325B CN110056325B (en) | 2021-04-20 |
Family
ID=67316322
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910218925.6A Active CN110056325B (en) | 2019-03-21 | 2019-03-21 | Pressure testing device and method for sucker rod pump oil production well mouth facility |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110056325B (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114458213A (en) * | 2021-11-16 | 2022-05-10 | 中国海洋石油集团有限公司 | Combined wellhead pressure test mandrel and using method thereof |
| CN116481931A (en) * | 2023-06-26 | 2023-07-25 | 沧州市德泰克钻井装备有限公司 | Multistage blowout preventer shutoff pressure testing device |
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| US7004252B2 (en) * | 2003-10-14 | 2006-02-28 | Schlumberger Technology Corporation | Multiple zone testing system |
| CN201068795Y (en) * | 2007-07-31 | 2008-06-04 | 梁伟成 | Wellhead pressure test device |
| CN202788728U (en) * | 2012-07-18 | 2013-03-13 | 中国石油化工股份有限公司 | Cup sealing device for pressure test of blowout preventers |
| CN103573205B (en) * | 2012-07-18 | 2015-12-09 | 中国石油化工股份有限公司 | A kind of blowout preventer pressure-testing sealing cup seal apparatus |
| CN105257280A (en) * | 2015-11-05 | 2016-01-20 | 大庆鸿润源石油科技开发有限公司 | Lifting pressure testing device |
-
2019
- 2019-03-21 CN CN201910218925.6A patent/CN110056325B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US7004252B2 (en) * | 2003-10-14 | 2006-02-28 | Schlumberger Technology Corporation | Multiple zone testing system |
| CN201068795Y (en) * | 2007-07-31 | 2008-06-04 | 梁伟成 | Wellhead pressure test device |
| CN202788728U (en) * | 2012-07-18 | 2013-03-13 | 中国石油化工股份有限公司 | Cup sealing device for pressure test of blowout preventers |
| CN103573205B (en) * | 2012-07-18 | 2015-12-09 | 中国石油化工股份有限公司 | A kind of blowout preventer pressure-testing sealing cup seal apparatus |
| CN105257280A (en) * | 2015-11-05 | 2016-01-20 | 大庆鸿润源石油科技开发有限公司 | Lifting pressure testing device |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114458213A (en) * | 2021-11-16 | 2022-05-10 | 中国海洋石油集团有限公司 | Combined wellhead pressure test mandrel and using method thereof |
| CN114458213B (en) * | 2021-11-16 | 2023-07-18 | 中国海洋石油集团有限公司 | Combined wellhead pressure testing mandrel and using method thereof |
| CN116481931A (en) * | 2023-06-26 | 2023-07-25 | 沧州市德泰克钻井装备有限公司 | Multistage blowout preventer shutoff pressure testing device |
| CN116481931B (en) * | 2023-06-26 | 2023-09-22 | 沧州市德泰克钻井装备有限公司 | Multistage blowout preventer shutoff pressure testing device |
Also Published As
| Publication number | Publication date |
|---|---|
| CN110056325B (en) | 2021-04-20 |
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