CN108412447A - Wellhead device for emergency of out-of-control blowout of oil and gas well - Google Patents
Wellhead device for emergency of out-of-control blowout of oil and gas well Download PDFInfo
- Publication number
- CN108412447A CN108412447A CN201810175957.8A CN201810175957A CN108412447A CN 108412447 A CN108412447 A CN 108412447A CN 201810175957 A CN201810175957 A CN 201810175957A CN 108412447 A CN108412447 A CN 108412447A
- Authority
- CN
- China
- Prior art keywords
- assembly
- seal assembly
- slips
- ontology
- oil
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
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
- E21B33/00—Sealing or packing boreholes or wells
- E21B33/02—Surface sealing or packing
- E21B33/03—Well heads; Setting-up thereof
- E21B33/04—Casing heads; Suspending casings or tubings in well heads
- E21B33/0422—Casing heads; Suspending casings or tubings in well heads a suspended tubing or casing being gripped by a slip or an internally serrated member
Landscapes
- 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)
- Earth Drilling (AREA)
Abstract
The invention discloses a wellhead device for out-of-control blowout rescue of an oil and gas well, which comprises a body, a full-closed sealing assembly, a sleeve sealing assembly, a slip assembly, an anti-sinking slip, a locking shaft, a hydraulic oil cylinder, a locking shaft seat and side doors, wherein the body is seated on the anti-sinking slip, a plurality of side doors are connected to the body, the hydraulic oil cylinder is arranged in each side door, a hydraulic piston rod is arranged in the hydraulic oil cylinder, the front end of the hydraulic piston rod is connected with the full-closed sealing assembly, the sleeve sealing assembly and the slip assembly, three chambers are arranged in the body, the full-closed sealing assembly, the sleeve sealing assembly and the slip assembly are sequentially arranged in the three chambers from top to bottom, the locking shaft seat is connected to the side doors, the locking shaft is arranged on the locking shaft seat, pipe holes are axially arranged along. By adopting the invention, the wellhead installing efficiency can be obviously improved, and the times of the operation of emergency personnel close to the wellhead can be reduced.
Description
Technical field
It speedily carries out rescue work the wellhead assembly of operation suitable for oil/gas well blowout out of control the present invention relates to a kind of.
Background technology
When oil/gas well generation blowout out of control catches fire, it is often the case that wellsite facility is damaged, well head damage.Its rescue
Common practice is：The cooling shielding of well head, equipment of speedily carrying out rescue work, personnel, removes the installations and facilities around well head, cuts well head.It cuts
It cuts and determines well head cutting position according to reconnoitring situation before well head, if well head bottom flange does not damage, from well head bottom flange top
Four-way cuts well head, takes to rob after four-way lower flange and fills new well head.If well head bottom flange damages, under the flange of bottom at parts casing pipe
Cut well head.The installing wellhead after mounting flange at casing is needed at this time.
It is typically for the installing wellhead way after Casing-Cutting at present：Anti-settling dead card is installed, dress emergency casing head is robbed, robs
Fill well head.It is more that this well head robs the step of dress method, needs emergency personnel repeatedly close to shaft mouth operation.
Publication No. 2264803Y, publication date are that the Chinese patent literature on October 15th, 1997 discloses a kind of be used for respectively
The runaway blowout well head rush-assembling device of kind oil and natural gas well.By upper and lower slips, the components such as upper and lower axle sleeve and axis composition.On
Axle sleeve can be moved up and down along axis and rotary motion.After blowout, the well head of prepackage can be rapid under the operation of the utility model
It installs, prevents blowout and reduce loss.The utility model securely and reliably saves manpower, reduces the number for participating in speedily carrying out rescue work, improves
Safety coefficient eliminates the conditionality in many blowout rescues, can minimize economic loss caused by blowout.
But using above patent document as the existing wellhead assembly of representative, structure is relatively simple, but wellhead assembly is still
The case where there are wellhead assembly sinkings needs emergency personnel repeatedly close to shaft mouth operation when there is this kind of situation.Increase work
Industry risk, reduces operating efficiency.
Invention content
The present invention is directed to existing for the above-mentioned prior art defect and deficiency, a kind of oil/gas well blowout out of control is provided and is robbed
Danger wellhead assembly can significantly improve installing wellhead operating efficiency using the present invention, reduce emergency personnel close to shaft mouth operation
Number.
The present invention is realized by using following technical proposals：
A kind of oil/gas well blowout out of control is speedily carried out rescue work with wellhead assembly, it is characterised in that：It is close including ontology, fully closed seal assembly, casing
Envelope assembly, slips assembly, anti-settling slips, lock shaft, hydraulic cylinder, locking axle bed and side door, the ontology are seated at anti-settling card
On watt, multiple side door connections on the body, are mounted on hydraulic cylinder, hydraulic piston are equipped in hydraulic cylinder in each side door
Bar, liquid presses piston pole front end connect fully closed seal assembly, bobbin seal assembly and slips assembly, three are provided in the ontology
Chamber, three chambers are equipped with the fully closed seal assembly, bobbin seal assembly and slips assembly successively from top to bottom, lock axle bed
It is connected on side door, locks and lock shaft is installed on axle bed, be axially provided with collar aperture along ontology, casing is located in collar aperture.
On ontology between fully closed seal assembly and bobbin seal assembly, it is provided with pressure relief opening.
The fully closed seal assembly upper surface is provided with top sealed gluing block, and front end is provided with sealed gluing block.
The bobbin seal assembly lower face is provided with bottom sealed gluing block, and front end is provided with forward end seal blob of viscose.
The slips assembly front end is provided with slip insert.
Compared with prior art, what the present invention was reached has the beneficial effect that：
1, the fully closed seal assembly sealing upper channel that the present invention uses, bobbin seal assembly seal lower channel, and slips assembly prevents
It is gone here and there on device, the anti-settling anti-locking apparatus of slips sinks.The clamping of realization casing, sealing and closing well are once lifted after anti-settling slips is installed.
Number of the emergency personnel close to shaft mouth operation can be effectively reduced, operating risk is reduced, improves operating efficiency.
2, in the present invention, on the ontology between fully closed seal assembly and bobbin seal assembly, it is provided with pressure relief opening.It is such
Set-up mode, the anti-locking apparatus inner ring of energy closes high pressure after closing fully closed seal assembly and bobbin seal assembly.
3, in the present invention, fully closed seal assembly upper surface is provided with top sealed gluing block, and front end is provided with sealed gluing block.Two pieces
Fully closed seal assembly is closed the sealing for realizing well head upper channel under the action of liquid presses piston pole.
4, in the present invention, bobbin seal assembly lower face is provided with bottom sealed gluing block, and front end is provided with forward end seal blob of viscose.
Two pieces of bobbin seal assemblies are closed the sealing for realizing well head lower channel under the action of liquid presses piston pole.
5, in the present invention, slips assembly front end is provided with slip insert.Two pieces of slips assemblies are under the action of liquid presses piston pole
Closure blocks casing, is gone here and there on anti-locking apparatus.
Description of the drawings
Below in conjunction with specification drawings and specific embodiments, the present invention is described in further detail, wherein：
Fig. 1 is schematic structural view of the invention.
It is marked in figure：
Ontology 1, fully closed seal assembly 2, bobbin seal assembly 3, slips assembly 4, anti-settling slips 5, casing 6, lock shaft 7, hydraulic pressure
Piston rod 8, pressure relief opening 9, locking axle bed 10, side door 11, slip insert 12.
Specific implementation mode
When oil/gas well speedily carries out rescue work resetting shaft mouth operation, anti-settling slips is mounted on casing, by device integral hoisting to set
Pipe is sitting on anti-settling dead card.Realize casing clamping, sealing and closing well.At the scene in application process, concrete structure is：
Including ontology, fully closed seal assembly, bobbin seal assembly, slips assembly, anti-settling slips, lock shaft, hydraulic cylinder, locking
Axle bed and side door, the ontology are seated on anti-settling slips, and multiple side door connections on the body, liquid are mounted in each side door
Compressing cylinder, liquid presses piston pole is equipped in hydraulic cylinder, and liquid presses piston pole front end connects fully closed seal assembly, bobbin seal assembly
And slips assembly, be provided with three chambers in the ontology, three chambers be equipped with successively from top to bottom the fully closed seal assembly,
Bobbin seal assembly and slips assembly, locking axle bed are connected on side door, are locked and are equipped with lock shaft on axle bed, along ontology axial direction
It is provided with collar aperture, casing is located in collar aperture.
The ontology 1 of the present invention is sitting on anti-settling slips 5, and side door 11 connects on the body, and hydraulic oil is provided in side door 11
Cylinder, interior installation liquid presses piston pole 8,8 front end of liquid presses piston pole connect fully closed seal assembly 2, bobbin seal assembly 3 and slips assembly
4, locking axle bed 10 is connected on side door 11, is locked and is equipped with lock shaft 7 on axle bed 10.
Anti-settling slips 5 is mounted on casing 6, lifting makes ontology 1 sit to anti-settling slips 5.
Ontology 1 is provided with pressure relief opening 9 between fully closed seal assembly 2 and bobbin seal assembly 3, closes fully closed seal assembly
2 and 3 rear defence locking apparatus of bobbin seal assembly in trap high pressure.
1 upper end of ontology is provided with closure gasket groove and bolt hole, can connect sealing with conventional drilling with preventer.
2 upper surface of fully closed seal assembly is provided with top sealed gluing block 2a, and front end is provided with sealed gluing block 2b, and two pieces fully closed close
Envelope assembly 2 is closed the sealing for realizing well head upper channel under the action of liquid presses piston pole 8.
3 lower face of bobbin seal assembly is provided with bottom sealed gluing block 3a, and front end is provided with forward end seal blob of viscose 3b, two pieces of sets
Seal of tube assembly 3 is closed the sealing for realizing well head lower channel under the action of liquid presses piston pole 8.
4 front end of slips assembly is provided with slip insert 12, and two pieces of slips assemblies 4 are closed card under the action of liquid presses piston pole 8
Firmly casing 6 are gone here and there on anti-locking apparatus.
The position of 5 limits device of anti-settling slips, anti-locking apparatus sink.
Side door 11 connects on the body, is provided with liquid cylinder, controls the movement of liquid presses piston pole 8.
Locking axle bed 10 is connected on side door, threaded hole is provided with, for connecting lock shaft 7.
Oil/gas well blowout out of control is speedily carried out rescue work to be fastened on by anti-settling slips, slips assembly on casing with wellhead assembly, is led to
Fully closed seal assembly, bobbin seal assembly sealing sleeve pipe and closing well are crossed, reaches once mounting and realizes casing clamping, sealing and closing well
Function.
Claims (5)
1. a kind of oil/gas well blowout out of control is speedily carried out rescue work with wellhead assembly, it is characterised in that：Including ontology（1）, fully closed seal assembly
（2）, bobbin seal assembly（3）, slips assembly（4）, anti-settling slips（5）, lock shaft（7）, hydraulic cylinder, locking axle bed（10）With
Side door（11）, the ontology（1）It is seated at anti-settling slips（5）On, multiple side doors（11）It is connected to ontology（1）On, each side door
（11）It is inside mounted on hydraulic cylinder, liquid presses piston pole is installed in hydraulic cylinder（8）, liquid presses piston pole（8）Front end connection is complete
Close seal assembly（2）, bobbin seal assembly（3）And slips assembly（4）, the ontology（1）There are three chamber, three chambers for interior setting
Room is equipped with the fully closed seal assembly successively from top to bottom（2）, bobbin seal assembly（3）And slips assembly（4）, lock axle bed
（10）It is connected to side door（11）On, lock axle bed（10）On lock shaft is installed（7）, along ontology（1）It axially is provided with collar aperture, is covered
Pipe（6）In collar aperture.
2. a kind of oil/gas well blowout out of control according to claim 1 is speedily carried out rescue work with wellhead assembly, it is characterised in that：Fully closed close
Seal assembly（2）With bobbin seal assembly（3）Between ontology（1）On, it is provided with pressure relief opening（9）.
3. a kind of oil/gas well blowout out of control according to claim 1 is speedily carried out rescue work with wellhead assembly, it is characterised in that：Described is complete
Close seal assembly（2）Upper surface is provided with top sealed gluing block, and front end is provided with sealed gluing block.
4. a kind of oil/gas well blowout out of control according to claim 1 is speedily carried out rescue work with wellhead assembly, it is characterised in that：The set
Seal of tube assembly（3）Lower face is provided with bottom sealed gluing block, and front end is provided with forward end seal blob of viscose.
5. a kind of oil/gas well blowout out of control according to claim 1 is speedily carried out rescue work with wellhead assembly, it is characterised in that：The card
Watt assembly（4）Front end is provided with slip insert（12）.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810175957.8A CN108412447A (en) | 2018-03-02 | 2018-03-02 | Wellhead device for emergency of out-of-control blowout of oil and gas well |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810175957.8A CN108412447A (en) | 2018-03-02 | 2018-03-02 | Wellhead device for emergency of out-of-control blowout of oil and gas well |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108412447A true CN108412447A (en) | 2018-08-17 |
Family
ID=63129598
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810175957.8A Pending CN108412447A (en) | 2018-03-02 | 2018-03-02 | Wellhead device for emergency of out-of-control blowout of oil and gas well |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108412447A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109403903A (en) * | 2018-11-27 | 2019-03-01 | 中国石油集团川庆钻探工程有限公司 | Integrated wellhead device for oil and gas well emergency rescue |
| CN110094178A (en) * | 2019-05-31 | 2019-08-06 | 中国石油集团川庆钻探工程有限公司 | Wellhead resetting device and method suitable for flange with bottom |
| CN117404040A (en) * | 2023-12-13 | 2024-01-16 | 中国石油集团川庆钻探工程有限公司 | Fracturing wellhead leakage plugging device and plugging method |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2923988Y (en) * | 2006-06-23 | 2007-07-18 | 大港油田集团有限责任公司 | Oil-production tree well head rush spraying device |
| CN201047267Y (en) * | 2007-07-04 | 2008-04-16 | 四川石油管理局钻采工艺技术研究院 | Oil gas well emergency casing head |
| CN201180514Y (en) * | 2008-03-25 | 2009-01-14 | 盐城市大冈石油工具厂有限责任公司 | Multifunctional gripper pipe blowout preventer |
| CN201730579U (en) * | 2010-08-11 | 2011-02-02 | 杨桂青 | High-temperature resistant well control device for double-pipe operation in horizontal wells |
| CN102383759A (en) * | 2010-09-05 | 2012-03-21 | 杨桂青 | Multifunctional blowout preventer specially used for steam-driven well |
| CN202467747U (en) * | 2012-02-02 | 2012-10-03 | 中国石油化工股份有限公司 | Anti-spraying device of continuous oil pipe working wellhead |
| WO2014199184A3 (en) * | 2013-06-14 | 2015-07-16 | Enovate Systems Limited | Well bore control system |
-
2018
- 2018-03-02 CN CN201810175957.8A patent/CN108412447A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2923988Y (en) * | 2006-06-23 | 2007-07-18 | 大港油田集团有限责任公司 | Oil-production tree well head rush spraying device |
| CN201047267Y (en) * | 2007-07-04 | 2008-04-16 | 四川石油管理局钻采工艺技术研究院 | Oil gas well emergency casing head |
| CN201180514Y (en) * | 2008-03-25 | 2009-01-14 | 盐城市大冈石油工具厂有限责任公司 | Multifunctional gripper pipe blowout preventer |
| CN201730579U (en) * | 2010-08-11 | 2011-02-02 | 杨桂青 | High-temperature resistant well control device for double-pipe operation in horizontal wells |
| CN102383759A (en) * | 2010-09-05 | 2012-03-21 | 杨桂青 | Multifunctional blowout preventer specially used for steam-driven well |
| CN202467747U (en) * | 2012-02-02 | 2012-10-03 | 中国石油化工股份有限公司 | Anti-spraying device of continuous oil pipe working wellhead |
| WO2014199184A3 (en) * | 2013-06-14 | 2015-07-16 | Enovate Systems Limited | Well bore control system |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109403903A (en) * | 2018-11-27 | 2019-03-01 | 中国石油集团川庆钻探工程有限公司 | Integrated wellhead device for oil and gas well emergency rescue |
| CN110094178A (en) * | 2019-05-31 | 2019-08-06 | 中国石油集团川庆钻探工程有限公司 | Wellhead resetting device and method suitable for flange with bottom |
| CN110094178B (en) * | 2019-05-31 | 2024-06-07 | 中国石油集团川庆钻探工程有限公司 | Wellhead resetting device and resetting method suitable for bottomed flange |
| CN117404040A (en) * | 2023-12-13 | 2024-01-16 | 中国石油集团川庆钻探工程有限公司 | Fracturing wellhead leakage plugging device and plugging method |
| CN117404040B (en) * | 2023-12-13 | 2024-03-08 | 中国石油集团川庆钻探工程有限公司 | Fracturing wellhead leakage plugging device and plugging method |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CA2388664C (en) | Well stimulation tool and method of using same | |
| US6595297B2 (en) | Method and apparatus for inserting a tubing hanger into a live well | |
| US5372202A (en) | Wellhead isolation tool and method of use | |
| CN108412447A (en) | Wellhead device for emergency of out-of-control blowout of oil and gas well | |
| US4022273A (en) | Bottom hole flow control apparatus | |
| US5332044A (en) | Wellhead isolation tool and method of use | |
| CN111155956A (en) | A double-piston compound double-ram blowout preventer and method for suspending oil pipe and sealing wellhead | |
| US20030116326A1 (en) | Slip spool and method of using same | |
| CN107655640A (en) | A kind of Operating Pressure equipment sealing property method of testing and test device | |
| WO2018018142A1 (en) | Method and apparatus for production well pressure containment for blowout protection | |
| US2927643A (en) | Tubing | |
| CN109458153A (en) | A kind of oil recovery tree device suitable for setting suspension coiled tubing production forever | |
| AU2018201143A1 (en) | Advanced blow-out preventer | |
| CN110306947B (en) | A temporary plugging device and temporary plugging construction method suitable for oil and gas well after pressure relief | |
| CN209687454U (en) | Compensation ram preventer locking device built in a kind of fluid cylinder | |
| CN2512899Y (en) | High pressure oil-gas water well operation device with pressure | |
| CN210134848U (en) | Wellhead resetting device suitable for flange with bottom | |
| CN110094178B (en) | Wellhead resetting device and resetting method suitable for bottomed flange | |
| CN104481426A (en) | Anti-jacking and anti-channeling device for operating well | |
| CN111706287B (en) | Quick rush-mounting device for hydraulic annular wellhead sleeve flange | |
| CN212614617U (en) | Hydraulic annular wellhead casing flange quick installing device | |
| CN109372461A (en) | Method for resetting wellhead device out of control of blowout | |
| CN209145548U (en) | A kind of ram preventer for repairing oil well engineering | |
| CN200985766Y (en) | Hollow oil cylinder type no-killing well repairing well head device | |
| CN205977160U (en) | Flashboard assembly convenient to detach's coiled tubing preventer |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20180817 |