CN106761525A - Blowout control wellhead and blowout control method - Google Patents
Blowout control wellhead and blowout control method Download PDFInfo
- Publication number
- CN106761525A CN106761525A CN201611177667.4A CN201611177667A CN106761525A CN 106761525 A CN106761525 A CN 106761525A CN 201611177667 A CN201611177667 A CN 201611177667A CN 106761525 A CN106761525 A CN 106761525A
- Authority
- CN
- China
- Prior art keywords
- upper flange
- threaded sleeve
- well head
- gusher
- mouthful
- 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
- 238000000034 method Methods 0.000 title claims abstract description 14
- 239000007921 spray Substances 0.000 claims description 15
- 238000007789 sealing Methods 0.000 claims description 11
- 239000000725 suspension Substances 0.000 claims description 6
- 238000002156 mixing Methods 0.000 claims description 3
- 241000233855 Orchidaceae Species 0.000 claims 1
- 238000010276 construction Methods 0.000 abstract description 5
- 230000000694 effects Effects 0.000 description 3
- 238000009434 installation Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 235000012054 meals Nutrition 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000003208 petroleum Substances 0.000 description 1
- 230000006641 stabilisation Effects 0.000 description 1
- 238000011105 stabilization Methods 0.000 description 1
- 238000004804 winding 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
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 provides a blowout control wellhead and a blowout control method. The blowout control well head comprises: a tubular wellhead body; the wellhead main body is provided with an inner cavity, a first upper flange positioned at the edge of the upper end of the inner cavity and a second upper flange covered on the first upper flange, and the first upper flange and the second upper flange are connected through bolts to form a pair of flanges for covering the inner cavity; the inner cavity is connected with an oil pipe in a wellhead and an oil sleeve annulus; a threaded sleeve extendable into the internal cavity, the threaded sleeve having threads for connection to tubing in a wellhead; the clamping groove is arranged on the inner wall of the threaded sleeve; the lifting short circuit is detachably connected in the threaded sleeve, and can be connected in the clamping groove and can rotate and move up and down in the inner cavity. The blowout control method adopts the blowout control wellhead. The invention saves the construction time and puts an end to the occurrence of potential safety hazard accidents.
Description
Technical field
The present invention relates to petroleum production engineering field, and in particular to one kind is robbed gusher mouthful and robs spray method.
Background technology
In the maintenance construction of oilfield downhole operation, well head can suddenly occur overflow sometimes during lower oil tube, or
Being rested in construction or had a meal all must be good by wellhead receptacle, prevents blowout, and the well head that we use at present was being installed
It is very loaded down with trivial details in journey, the time of nearly half an hour is needed after well head is installed, not only consume workload but also once send out
Raw blowout, can delay the optimal very first time for robbing spray.The wellhead blowout preventor that we use in addition, due to complex structure, operation
Loaded down with trivial details, not only the operating time is long, mainly have impact on and robs the spray time, and certain potential safety hazard is brought to Downhole Construction.
In sum, there is problems with the prior art：Existing wellhead blowout preventor is cumbersome, when spray is robbed in influence
Between.
The content of the invention
The present invention provides one kind and robs gusher mouthful and rob spray method, cumbersome to solve existing wellhead blowout preventor, influence
Rob the problem of spray time.
Therefore, the present invention proposes that one kind robs gusher mouthful, also referred to as Quick blowout control well head, the gusher mouthful of robbing includes：
The well head main body of tubular, the bottom of the well head main body is arranged on the flange pup joint of well head；The well head main body
On first upper flange second is located at inner chamber, the first upper flange at the inner chamber upper end-face edge and lid
Upper flange, first upper flange and second upper flange are bolted a pair of the flanges to be formed and cover the inner chamber；
Oil pipe and oil jacket annular space in the inner chamber connection well head；
Threaded sleeve, can extend into the inner chamber, and the threaded sleeve has the screw thread of the oil pipe in connection well head；
Draw-in groove, is arranged on the inwall of the threaded sleeve；
Lifting short circuit, what can be dismantled is connected in the threaded sleeve, and the lifting short circuit is connectable to the draw-in groove
In and can rotate and move up and down in the inner chamber.
Further, first upper flange and second upper flange be by multiple bolt connections, wherein, it is described
First upper flange and second upper flange pass through bolt described in any of which and form rotation connection.
Further, the lifting short circuit includes：The body of rod, the turn portion for being connected to the body of rod top and it is connected to
The chuck of the protrusion of the body of rod bottom, the chuck can form clamping with the draw-in groove.
Further, external diameter of the external diameter in the turn portion more than the body of rod.
Further, the sealing for sealing the second upper flange edge is provided with the bottom surface of second upper flange
Device.
Further, the sealing device is ring gasket.
Further, the body of rod and turn portion are cylindric.
The present invention also provides one kind and robs spray method, and using gusher mouthful is robbed, the spray method of robbing is comprised the following steps：
Step A：The bottom of the well head main body is arranged on the flange pup joint of well head, second upper flange is opened,
Normal lower oil tube；
Step B：When occurring blowout sign in well, threaded sleeve is extend into described from the top of the well head main body
In chamber, and threaded sleeve is directly tightened on the box cupling of oil pipe；
Step C：Then by the lifting short circuit seat in the draw-in groove of the threaded sleeve, and it is rotated by 90 °, locks；
Step D：Then above carry the lifting short circuit to remove the elevator of oil pipe bottom, suspension body is put into and described robs gusher
Mouth main body；
Step F：Then the lifting short circuit is transferred, 90 degree of short circuit of lifting is reversely rotated after load zero, then pulled out and carry
Rise short circuit and threaded sleeve；
Step G：Then the first upper flange described in rotation into alignment and second upper flange, blending bolt fastening.
Further, after opening second upper flange, expose the inner chamber, make first upper flange and described second
Upper flange rotates connection by a bolt.
Brief description of the drawings
Fig. 1 shows the structure and operation principle for robbing gusher mouthful of the invention；
Fig. 2 shows structural representation when robbing gusher mouthful body seal of the invention.
Drawing reference numeral explanation：
1-lifting short circuit；2-bolt；3-the second upper flange；4-ring gasket；5-well head main body；6-thread bush
Pipe；7-suspension body；8-the first upper flange 9- oil pipe (tubing string) 11-turns portion 12-body of rod, 13-chuck
Specific embodiment
In order to be more clearly understood to technical characteristic of the invention, purpose and effect, now control illustrates this hair
It is bright.
As shown in figure 1, gusher mouthful of robbing of the invention includes：
The well head main body 5 of tubular, also referred to as Quick blowout control well head main body, the bottom of the well head main body 5 are arranged on well head
On flange pup joint；There is the well head main body inner chamber, the first upper flange 3 at the inner chamber upper end-face edge and lid to set
The second upper flange 3 on first upper flange 8, first upper flange 8 and second upper flange 3 are bolted
Form a pair of flanges of the capping inner chamber, i.e. upper flange；Oil pipe and oil jacket annular space in the inner chamber connection well head；Well head
The sealing oil jacket of main body 5 space, upper flange is capable of the inner chamber of sealing wellhead main body；
Threaded sleeve 6, also referred to as quick rotation silk, can extend into the inner chamber, and the threaded sleeve 6 has in connection well head
Oil pipe screw thread；I.e. threaded sleeve 6 can be attached with the oil pipe 9 in well head by screw thread；Threaded sleeve 6 can be quick
Installed in oil pipe or oil pipe column box cupling top, winding shaft inner oil tube or oil pipe column；
Draw-in groove, is arranged on the inwall of the threaded sleeve 6；For connecting lifting short circuit 1；
Lifting short circuit 1 (also referred to as lifting sub), what can be dismantled is connected in the threaded sleeve 6, the lifting short circuit energy
Enough it is connected in the draw-in groove and can rotates and move up and down in the inner chamber.Lifting short circuit 1 can quick connection screw thread set
Pipe 6, puts in completion and puts.
Above-mentioned gusher mouthful of robbing debugs rear stand-by in ground installation check.During work, the bottom of the well head main body is pacified
On the flange pup joint of well head, normal lower oil tube or tubing string；When occurring blowout sign in well, quick rotation silk is tightened on
On the box cupling of tubing string；Will lifting short circuit seat on the draw-in groove of threaded sleeve, and be rotated by 90 °；Short circuit is above lifted by bottom elevator
Remove, suspension body is put into Quick blowout control well head main body；Decentralization lifting short circuit, reversely rotates lifting short circuit 90 after load zero
Degree, pulls out lifting short circuit；By well up flange rotation into alignment, i.e., described first upper flange and second upper flange pass through bolt
Align, the good bolt of diagonal band is pounded tightly.
Further, first upper flange 8 and second upper flange 3 be by multiple bolt connections, wherein, will
After second upper flange 3 is opened, first upper flange and second upper flange form the company of rotation by one of bolt 2
Connect, so, when being easy to rob spray, the alignment and connection of the first upper flange and second upper flange.
Further, the lifting short circuit 1 includes：The body of rod 12, the turn portion 11, Yi Jilian for being connected to the body of rod top
The chuck 13 of the protrusion of the body of rod bottom is connected on, the chuck 13 (for example rotates 90 degree) after rotateing in place, can be with institute
State draw-in groove and form clamping；After clamping, then 90 degree are rotated backward, then release locking or clamping.So, lifting short circuit 1 is easy to rotate,
Also allow for clamping connection screw thread sleeve pipe 6.
Further, the external diameter in the turn portion 11, in order to the turn of staff, is easy to more than the external diameter of the body of rod 12
Realize fast operating.The body of rod 12 and turn portion 11 be it is cylindric, operate it is light.
Further, it is provided with for sealing the close of the second upper flange edge on the bottom surface of second upper flange 3
Seal apparatus, to strengthen sealing.Further, the sealing device is ring gasket 4, good sealing effect.
The present invention also provides one kind and robs spray method, gusher mouthful is robbed using foregoing, as shown in figure 1, described rob spray side
Method is comprised the following steps：
Step A：The bottom of the well head main body is arranged on the flange pup joint of well head, second upper flange is opened,
Normal lower oil tube；
Step B：When occurring blowout sign in well, threaded sleeve is extend into described from the top of the well head main body
In chamber, and threaded sleeve is directly tightened on the box cupling of the oil pipe in well head main body；
Step C：Then by the lifting short circuit seat in the draw-in groove of the threaded sleeve, and it is rotated by 90 °, locks, is formed
The clamping of the stabilization of lifting short circuit and threaded sleeve；
Step D：Then above carry the lifting short circuit to remove the elevator of oil pipe bottom, suspension body is put into and described robs gusher
Mouth main body, hangs tubing string in well on suspension body；
Step F：Then the lifting short circuit is transferred, load zero (namely making the load of tubing string 9 of well head be zeroed) is anti-afterwards
To 90 degree of short circuit is rotated and upgraded, the locking of lifting short circuit and threaded sleeve is released, as shown in Fig. 2 then being pulled out from well head main body
Except lifting short circuit, threaded sleeve is unloaded；
Step G：Then the first upper flange described in rotation into alignment and second upper flange, blending bolt fastening.
Further, after opening second upper flange, expose the inner chamber, make first upper flange and described second
Upper flange rotates connection by a bolt, so, is easy to the quick alignment of the first upper flange and second upper flange, favorably
In quick closure well head.
Effect of the invention：
1st, the problem of Fast Installation well head is solved；
2nd, a large amount of construction workloads are reduced, labour intensity is reduced；
3rd, the engineering time has been saved；
4th, the generation of potential safety hazard accident has been prevented；
5th, it is easy to operate, it is safe and reliable；
6th, well head effectively can be installed in 1 minute；
7th, simple structure, it is practical.
Schematical specific embodiment of the invention is the foregoing is only, the scope of the present invention is not limited to.For this
Each part of invention can be mutually combined under conditions of not conflicting, any those skilled in the art, not depart from this
Done equivalent variations and modification, all should belong to the scope of protection of the invention on the premise of the design of invention and principle.
Claims (9)
1. one kind robs gusher mouthful, it is characterised in that the gusher mouthful of robbing includes：
The well head main body of tubular, the bottom of the well head main body is arranged on the flange pup joint of well head；The well head main body has
Inner chamber, the first upper flange at the inner chamber upper end-face edge and lid be located on first upper flange second on method
Orchid, first upper flange and second upper flange are bolted a pair of the flanges to be formed and cover the inner chamber；It is described
Oil pipe and oil jacket annular space in inner chamber connection well head；
Threaded sleeve, can extend into the inner chamber, and the threaded sleeve has the screw thread of the oil pipe in connection well head；
Draw-in groove, is arranged on the inwall of the threaded sleeve；
Lifting short circuit, what can be dismantled is connected in the threaded sleeve, and the short circuit that lifted is connectable in the draw-in groove simultaneously
Can rotate and move up and down in the inner chamber.
2. it is as claimed in claim 1 to rob gusher mouthful, it is characterised in that first upper flange and second upper flange pass through
Multiple bolt connections, wherein, first upper flange and second upper flange are formed by bolt described in any of which
Rotate connection.
3. it is as claimed in claim 1 to rob gusher mouthful, it is characterised in that the lifting short circuit includes：The body of rod, it is connected to the bar
The turn portion on body top and be connected to the body of rod bottom protrusion chuck, the chuck can with the draw-in groove formed block
Connect.
4. it is as claimed in claim 3 to rob gusher mouthful, it is characterised in that the external diameter in the turn portion is outer more than the body of rod
Footpath.
5. it is as claimed in claim 1 to rob gusher mouthful, it is characterised in that to be provided with for close on the bottom surface of second upper flange
Seal the sealing device at the second upper flange edge.
6. it is as claimed in claim 5 to rob gusher mouthful, it is characterised in that the sealing device is ring gasket.
7. it is as claimed in claim 3 to rob gusher mouthful, it is characterised in that the body of rod and turn portion are cylindric.
8. one kind robs spray method, it is characterised in that rob gusher mouthful using described in claim 1, it is described rob spray method include with
Lower step：
Step A：The bottom of the well head main body is arranged on the flange pup joint of well head, second upper flange is opened, normally
Lower oil tube；
Step B：When occurring blowout sign in well, threaded sleeve is extend into the inner chamber from the top of the well head main body
In, and threaded sleeve is directly tightened on the box cupling of oil pipe；
Step C：Then by the lifting short circuit seat in the draw-in groove of the threaded sleeve, and it is rotated by 90 °, locks；
Step D：Then above carry the lifting short circuit to remove the elevator of oil pipe bottom, suspension body is put into the gusher mouthful of robbing leads
Body；
Step F：Then the lifting short circuit is transferred, 90 degree of short circuit of lifting is reversely rotated after load zero, then pull out lifting short
Connect, unload threaded sleeve；
Step G：Then the first upper flange described in rotation into alignment and second upper flange, blending bolt fastening.
9. spray method is robbed as claimed in claim 8, it is characterised in that in the step A, after opening second upper flange,
Expose the inner chamber, first upper flange and second upper flange is rotated connection by a bolt.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611177667.4A CN106761525A (en) | 2016-12-19 | 2016-12-19 | Blowout control wellhead and blowout control method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611177667.4A CN106761525A (en) | 2016-12-19 | 2016-12-19 | Blowout control wellhead and blowout control method |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106761525A true CN106761525A (en) | 2017-05-31 |
Family
ID=58890259
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201611177667.4A Pending CN106761525A (en) | 2016-12-19 | 2016-12-19 | Blowout control wellhead and blowout control method |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106761525A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110578482A (en) * | 2019-10-11 | 2019-12-17 | 谢耀志 | Wellhead casing pipe dismounting device |
| CN111155954A (en) * | 2018-11-08 | 2020-05-15 | 中国石油天然气股份有限公司 | Internal control combination device for lifting and lowering oil pipe for rush spraying |
| CN113101151A (en) * | 2021-04-20 | 2021-07-13 | 丁树长 | Good-practicability walking aid for rehabilitation medical treatment |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2471925Y (en) * | 2001-01-06 | 2002-01-16 | 辽河石油勘探局锦州工程技术处 | Quick acting blowout control device for oil well |
| GB2410514A (en) * | 2004-01-29 | 2005-08-03 | Cooper Cameron Corp | Wellhead casing hanger |
| CN2816339Y (en) * | 2005-06-20 | 2006-09-13 | 张伟斌 | Well controlled blowout-proof device |
| CN2926486Y (en) * | 2006-07-25 | 2007-07-25 | 辽河石油勘探局 | Fast wellhead for oil-gas water well |
| CN202755942U (en) * | 2012-07-26 | 2013-02-27 | 中国石油化工股份有限公司 | Simple blowout preventer |
| WO2016028694A1 (en) * | 2014-08-22 | 2016-02-25 | Baker Hughes Incorporated | Drive off method from subsea well with pipe retention capability |
-
2016
- 2016-12-19 CN CN201611177667.4A patent/CN106761525A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2471925Y (en) * | 2001-01-06 | 2002-01-16 | 辽河石油勘探局锦州工程技术处 | Quick acting blowout control device for oil well |
| GB2410514A (en) * | 2004-01-29 | 2005-08-03 | Cooper Cameron Corp | Wellhead casing hanger |
| CN2816339Y (en) * | 2005-06-20 | 2006-09-13 | 张伟斌 | Well controlled blowout-proof device |
| CN2926486Y (en) * | 2006-07-25 | 2007-07-25 | 辽河石油勘探局 | Fast wellhead for oil-gas water well |
| CN202755942U (en) * | 2012-07-26 | 2013-02-27 | 中国石油化工股份有限公司 | Simple blowout preventer |
| WO2016028694A1 (en) * | 2014-08-22 | 2016-02-25 | Baker Hughes Incorporated | Drive off method from subsea well with pipe retention capability |
Non-Patent Citations (1)
| Title |
|---|
| 中国石油天然气总公司劳资局: "无控制井喷的处理", 《井下生产实践指导书》 * |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111155954A (en) * | 2018-11-08 | 2020-05-15 | 中国石油天然气股份有限公司 | Internal control combination device for lifting and lowering oil pipe for rush spraying |
| CN110578482A (en) * | 2019-10-11 | 2019-12-17 | 谢耀志 | Wellhead casing pipe dismounting device |
| CN113101151A (en) * | 2021-04-20 | 2021-07-13 | 丁树长 | Good-practicability walking aid for rehabilitation medical treatment |
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| 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: 20170531 |