CN209195323U - The well mouth protector of recyclable kill-job - Google Patents
The well mouth protector of recyclable kill-job Download PDFInfo
- Publication number
- CN209195323U CN209195323U CN201821407454.0U CN201821407454U CN209195323U CN 209195323 U CN209195323 U CN 209195323U CN 201821407454 U CN201821407454 U CN 201821407454U CN 209195323 U CN209195323 U CN 209195323U
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- China
- Prior art keywords
- pipe
- well
- job
- protective cover
- kill
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- Expired - Fee Related
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- 230000001012 protector Effects 0.000 title claims abstract description 15
- 210000002445 nipple Anatomy 0.000 claims abstract description 48
- 230000001681 protective effect Effects 0.000 claims abstract description 37
- 239000000725 suspension Substances 0.000 claims abstract description 28
- 238000005553 drilling Methods 0.000 claims description 49
- 239000012530 fluid Substances 0.000 claims description 34
- 239000007788 liquid Substances 0.000 claims description 19
- 239000003129 oil well Substances 0.000 claims description 16
- 238000005260 corrosion Methods 0.000 claims description 11
- 230000008676 import Effects 0.000 claims description 3
- 239000012780 transparent material Substances 0.000 claims description 3
- 238000003912 environmental pollution Methods 0.000 abstract description 5
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 5
- 229910000831 Steel Inorganic materials 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 3
- 239000010959 steel Substances 0.000 description 3
- 241001074085 Scophthalmus aquosus Species 0.000 description 2
- 230000005526 G1 to G0 transition Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
Landscapes
- Pressure Vessels And Lids Thereof (AREA)
Abstract
A kind of well mouth protector of recyclable kill-job, anti-theft protective cover including bottom end opening, the top of the lateral wall of anti-theft protective cover is symmetrically equipped with two lift cover handles, pipe nipple pipe is equipped in anti-theft protective cover, high pressure valve is in series in the middle part of pipe nipple pipe, the top of pipe nipple pipe is equipped with hoop, pipe nipple pipe, which is located on the lateral wall below high pressure valve, is equipped with pressure gauge and pressure release safety valve, suspension flange is connected on the lateral wall at pipe nipple tube bottom end, suspension flange is located at the lower part in anti-theft protective cover, anti-theft protective cover is equipped with the theftproof lock that can lock together suspension flange and anti-theft protective cover.Its purpose is to provide a kind of avoidable abandoned well, length to stop well, the underground of well to be processed is increased to the pressure value that may cause blowout out of control, abandoned well is avoided, length stops well, unexpected blowout occurs in well to be processed and jeopardizes personnel safety near well head, avoids the well mouth protector for the recyclable kill-job for thereby resulting in serious environmental pollution.
Description
Technical field
The utility model relates to a kind of well mouth protectors of recyclable kill-job.
Background technique
There are up to ten thousand mouthfuls of oil wells in oil field, wherein having a large amount of abandoned well, growing and stop well, well to be processed, these oil wells are dispersed in
Between city and township open country, quantity is more, and distribution is wide, due to many reasons, a part of abandoned well, the long well for stopping well, well to be processed
It is lower to be increased to the pressure value that may cause blowout out of control, if handled not in time, the personnel safety near well head can be jeopardized,
And cause serious environmental pollution.
In addition, also well head is stolen event frequent occurrence in oil field, especially abandoned well, it is long stop well, well to be processed, these wells due to
Do not have to for a long time, four-way, valve, shut-in well lid, clip, bolt on well head etc. are easy to be stolen.Once these wellhead assembly quilts
It steals, well head will be made to open wide, and long-time unattended, it is easy to it causes foreign matter to fall into well, destroys oil well thoroughly, and by
This causes greatly to lose.
Utility model content
The purpose of this utility model is to provide a kind of avoidable abandoned well, length stops well, the underground of well to be processed is increased to
The pressure value that may cause blowout out of control avoids abandoned well, length from stopping well, unexpected blowout occurs in well to be processed and jeopardizes well head
Neighbouring personnel safety avoids the well mouth protector for the recyclable kill-job for thereby resulting in serious environmental pollution.
The utility model also can avoid foreign matter and fall into well the thing for destroying oil well thoroughly, and can preventing from stealing wellhead hardware
Part occurs, and provides safeguard for the safety in production in oil field.
The well mouth protector of the recyclable kill-job of the utility model, the anti-theft protective cover including bottom end opening, anti-theft protective cover
The top of lateral wall is symmetrically equipped with two lift cover handles, is equipped with pipe nipple pipe, pipe nipple along the vertical direction in anti-theft protective cover
High pressure valve is in series in the middle part of pipe, the top of pipe nipple pipe is equipped with hoop, and pipe nipple pipe is located at the outside below high pressure valve
Pressure gauge and pressure release safety valve are installed on wall, suspension flange is connected on the lateral wall at pipe nipple tube bottom end, suspension flange is located at
Lower part in anti-theft protective cover, anti-theft protective cover are equipped with the theftproof lock that can lock together suspension flange and anti-theft protective cover, anti-theft protection
Pressure watch window is equipped on cover at position corresponding with pressure gauge and pressure release safety valve, installs and fixes at pressure watch window
There is capping made of transparent material；
The bottom end port of the pipe nipple pipe is communicated with the top port of oil pipe, and oil pipe is arranged along the vertical direction, the top of oil pipe
End is fixed on the middle part of suspension flange using being threadedly coupled, and the bottom end of oil pipe is solid using being threadedly coupled with the top of anti-corrosion pipe nipple pipe
Fixed to be connected, the outer sheath of oil pipe is equipped with oil well casing, has toroidal cavity between oil pipe and anti-corrosion pipe nipple pipe and oil well casing, prevents
The bottom end opening of rotten pipe nipple pipe is communicated with toroidal cavity, and the top of oil well casing passes through oil pipe flange and suspension flange stationary phase
Even, ring gasket is equipped between oil pipe flange and the end face for hanging flange；
The upper side in pipe nipple pipe of the suspension flange is equipped with reacting cycle kill-job channel, the bottom end in reacting cycle kill-job channel
Opening is communicated with toroidal cavity, the top end opening and the inner end port phase of reverse circulation drilling well liquid delivery pipe in reacting cycle kill-job channel
Logical, the outer end port of reverse circulation drilling well liquid delivery pipe is communicated with the lower part of drilling fluid accumulator tank, in reverse circulation drilling well liquid delivery pipe
It is in series with reacting cycle kill-job valve, reacting cycle kill-job pump and throttle valve；
The top port of the pipe nipple pipe is connected by hoop with the outlet of direct circulation drilling fluid delivery pipe, and direct circulation is bored
Direct circulation kill-job pump, the import and the lower part phase of drilling fluid accumulator tank of direct circulation drilling fluid delivery pipe are in series in well liquid delivery pipe
It is logical.
Preferably, it is fixedly linked between the oil pipe flange and suspension flange using anti-theft bolt and anti-theft nut.
Preferably, the anti-theft protective cover is made of steel plate.
The utility model is recycled the well mouth protector of kill-job when in use, can find pressure by pressure watch window
When the borehole pressure that table reflects is more than secure threshold, high pressure valve and reacting cycle kill-job valve can be opened immediately, and start just
Kill-job pump is recycled, allows drilling fluid in drilling fluid accumulator tank via direct circulation drilling fluid delivery pipe, hoop, high pressure valve, short
Section pipe enters oil pipe and anti-corrosion pipe nipple pipe, and then drilling fluid enters back into toroidal cavity, and drilling fluid is flowed from reacting cycle kill-job channel again
To reacting cycle kill-job valve, then via reverse circulation drilling well liquid delivery pipe, reacting cycle kill-job pump and throttle valve, drilling fluid flows back to brill again
Well liquid accumulator tank, be achieved in using direct circulation kill-job oil in the pressed gas and well being discharged in oil pipe and toroidal cavity,
Water；The utility model, which also can according to need, carries out reacting cycle kill-job operation, i.e. starting reacting cycle kill-job pump, and drilling fluid is allowed to save
Drilling fluid in tank flows into reacting cycle kill-job channel via reverse circulation drilling well liquid delivery pipe, reacting cycle kill-job pump and throttle valve, so
Drilling fluid enters back into toroidal cavity afterwards, then flows into anti-corrosion pipe nipple pipe and oil pipe, then bores via pipe nipple pipe, high pressure valve, direct circulation
Well liquid delivery pipe flows back to drilling fluid accumulator tank, is achieved in using negative circulation kill-job and the pressure in oil pipe and toroidal cavity is discharged
Oil, water in gas and well, so can avoid abandoned well, it is long stop well, the underground of well to be processed be increased to may cause it is out of control
The pressure value of blowout, avoid abandoned well, length stops well, unexpected blowout occurs in well to be processed and jeopardize near well head personnel peace
Entirely, it avoids thereby resulting in serious environmental pollution.
In addition, pipe nipple pipe is equipped in the design and anti-theft protective cover of the anti-theft protective cover of the utility model, pipe nipple pipe lower part
There is suspension flange on lateral wall, suspension flange is located in anti-theft protective cover, and anti-theft protective cover is equipped with can be by suspension flange and anti-theft protection
The design of the theftproof lock locked together is covered, avoidable foreign matter, which is fallen into well, destroys oil well thoroughly, and can prevent pilferage well head from matching
The event of part occurs, and provides reliable guarantee for the production of oilfield safety.
The well mouth protector for being recycled kill-job to the utility model with reference to the accompanying drawing is described in further detail.
Detailed description of the invention
Fig. 1 is the main view sectional view of the structural schematic diagram of the well mouth protector of the recyclable kill-job of the utility model.
Specific embodiment
As shown, the well mouth protector of the recyclable kill-job of the utility model, the anti-theft protective cover 2 including bottom end opening,
The top of the lateral wall of anti-theft protective cover 2 is symmetrically equipped with two lift cover handles 1, sets along the vertical direction in anti-theft protective cover 2
There is pipe nipple pipe 4, the middle part of pipe nipple pipe 4 is in series with high pressure valve 3, and the top of pipe nipple pipe 4 is equipped with hoop 5, and pipe nipple pipe 4 is located at
Pressure gauge 6 and pressure release safety valve 9 are installed on the lateral wall of 3 lower section of high pressure valve, are connected on the lateral wall of 4 bottom end of pipe nipple pipe
Flange 8 is hung, suspension flange 8 is located at the lower part in anti-theft protective cover 2, and anti-theft protective cover 2 is equipped with can be by suspension flange 8 and anti-theft protection
2 theftproof locks 7 locked together are covered, are equipped with pressure at position corresponding with pressure gauge 6 and pressure release safety valve 9 on anti-theft protective cover 2
Watch window 10 is mounted with capping 22 made of transparent material at pressure watch window 10；
Above-mentioned design enables the well mouth protector of recyclable kill-job have gas pressure checking function, can detect flowline 11
Pressure in interior or oil well casing 12, being provided with pressure watch window 10 on anti-theft protective cover 2 can allow people to be clearly observed pressure gauge 6
The borehole pressure reflected.
The bottom end port of the pipe nipple pipe 4 is communicated with the top port of oil pipe 11, and oil pipe 11 is arranged along the vertical direction, oil pipe
11 top is fixed on the middle part of suspension flange 8 using being threadedly coupled, and the bottom end of oil pipe 11 and the top of anti-corrosion pipe nipple pipe 15 are adopted
It is threadedly coupled and is fixedly linked, the outer sheath of oil pipe 11 is equipped with oil well casing 12, oil pipe 11 and anti-corrosion pipe nipple pipe 15 and oil well set
There is toroidal cavity 16, the bottom end opening of anti-corrosion pipe nipple pipe 15 is communicated with toroidal cavity 16, the top of oil well casing 12 between pipe 12
End is fixedly linked by oil pipe flange 13 and suspension flange 8, and sealing steel is equipped between oil pipe flange 13 and the end face for hanging flange 8
Circle 14；
The side for being located at pipe nipple pipe 4 on the suspension flange 8 is equipped with reacting cycle kill-job channel 17, reacting cycle kill-job channel 17
Bottom end opening communicated with toroidal cavity 16, the top end opening in reacting cycle kill-job channel 17 and reverse circulation drilling well liquid delivery pipe 18
Inner end port communicates, the outer end port of reverse circulation drilling well liquid delivery pipe 18 and the lower part phase of drilling fluid accumulator tank (being not drawn into figure)
It is logical, it is in series with reacting cycle kill-job valve 19, reacting cycle kill-job pump (being not drawn into figure) in reverse circulation drilling well liquid delivery pipe 18 and saves
It flows valve (being not drawn into figure)；The effect of throttle valve is the flow and pressure for adjusting reverse circulation drilling well liquid delivery pipe 18, to ensure to follow
Oil, water in the pressed gas and well of underground can be discharged in ring kill-job.
The top port of the pipe nipple pipe 4 is gone out by hoop 5 and direct circulation drilling fluid delivery pipe (being not drawn into figure)
Mouth is connected, and direct circulation kill-job pump (being not drawn into figure), direct circulation are in series in direct circulation drilling fluid delivery pipe (being not drawn into figure)
The import of drilling fluid delivery pipe is communicated with the lower part of drilling fluid accumulator tank (being not drawn into figure).
It is fixedly linked between above-mentioned oil pipe flange 13 and suspension flange 8 using anti-theft bolt 20 and anti-theft nut 21.
Above-mentioned anti-theft protective cover 2 is made of steel plate.
The well mouth protector of the recyclable kill-job of the utility model be for protection abandoned well, it is long stop well, well to be processed and
Design, when tour personnel is more than secure threshold by the borehole pressure that pressure watch window 10 finds that pressure gauge 6 reflects,
High pressure valve 3 and reacting cycle kill-job valve 19 can be opened immediately, and starts direct circulation kill-job pump, allow brill in drilling fluid accumulator tank
Well liquid enters oil pipe 11 and anti-corrosion pipe nipple pipe 15 via direct circulation drilling fluid delivery pipe, hoop 5, high pressure valve 3, pipe nipple pipe 4,
Then drilling fluid enters back into toroidal cavity 16, and drilling fluid flow to reacting cycle kill-job valve 19 from reacting cycle kill-job channel 17 again, then
Via reverse circulation drilling well liquid delivery pipe 18, reacting cycle kill-job pump and throttle valve, drilling fluid flows back to drilling fluid accumulator tank again, thus real
Oil, water in the pressed gas and well in oil pipe 11 and toroidal cavity 16 are now discharged using direct circulation kill-job；Tour personnel
It can according to need and carry out reacting cycle kill-job operation, is i.e. starting reacting cycle kill-job pump, the drilling fluid in drilling fluid accumulator tank is allowed to pass through
Reacting cycle kill-job channel 17 is flowed by reverse circulation drilling well liquid delivery pipe 18, reacting cycle kill-job pump and throttle valve, then drilling fluid is again
Into toroidal cavity 16, then anti-corrosion pipe nipple pipe 15 and oil pipe 11 are flowed into, then via pipe nipple pipe 4, high pressure valve 3, direct circulation drilling well
Liquid delivery pipe flows back to drilling fluid accumulator tank, is achieved in using negative circulation kill-job the pressure being discharged in oil pipe 11 and toroidal cavity 16
Oil, water in strength body and well, so can avoid abandoned well, it is long stop well, the underground of well to be processed be increased to may cause it is out of control
Blowout pressure value, avoid abandoned well, length stops well, unexpected blowout occurs in well to be processed and jeopardize near well head personnel peace
Entirely, it avoids thereby resulting in serious environmental pollution.
In addition, pipe nipple pipe 4 is equipped in the design and anti-theft protective cover 2 of the anti-theft protective cover 2 of the utility model, under pipe nipple pipe 4
There is suspension flange 8 on the lateral wall in portion, suspension flange 8 is located in anti-theft protective cover 2, and anti-theft protective cover 2, which is equipped with, can will hang flange 8
The design of the theftproof lock 7 locked together with anti-theft protective cover 2, avoidable foreign matter, which is fallen into well, destroys oil well thoroughly, and can prevent
The event for stealing wellhead hardware occurs, and provides safety guarantee for oil field production.
Claims (2)
1. the well mouth protector of recyclable kill-job, it is characterised in that: the anti-theft protective cover (2) including bottom end opening, anti-theft protective cover
(2) top of lateral wall is symmetrically equipped with two lift cover handles (1), is equipped with along the vertical direction in anti-theft protective cover (2)
Pipe nipple pipe (4) is in series with high pressure valve (3) in the middle part of pipe nipple pipe (4), and the top of pipe nipple pipe (4) is equipped with hoop (5), short
Section pipe (4), which is located on the lateral wall below high pressure valve (3), is equipped with pressure gauge (6) and pressure release safety valve (9), pipe nipple pipe (4)
Suspension flange (8) is connected on the lateral wall of bottom end, suspension flange (8) is located at the lower part in anti-theft protective cover (2), anti-theft protective cover
(2) theftproof lock (7) that can will be hung flange (8) and anti-theft protective cover (2) and lock together is equipped with, on anti-theft protective cover (2) and pressure
Pressure watch window (10) are equipped at table (6) and the corresponding position of pressure release safety valve (9), are installed at pressure watch window (10)
It is fixed with made of transparent material and covers (22)；
The bottom end port of the pipe nipple pipe (4) is communicated with the top port of oil pipe (11), and oil pipe (11) is arranged along the vertical direction, oil
The top of pipe (11) is fixed on the middle part of suspension flange (8), the bottom end of oil pipe (11) and anti-corrosion pipe nipple pipe using being threadedly coupled
(15) top is fixedly linked using being threadedly coupled, and the outer sheath of oil pipe (11) is equipped with oil well casing (12), oil pipe (11) and is prevented
There are toroidal cavity (16) between rotten pipe nipple pipe (15) and oil well casing (12), the bottom end opening and annular of anti-corrosion pipe nipple pipe (15)
Cavity (16) communicates, and the top of oil well casing (12) is fixedly linked by oil pipe flange (13) and suspension flange (8), oil pipe flange
(13) ring gasket (14) are equipped between the end face of suspension flange (8)；
The side for being located at pipe nipple pipe (4) on suspension flange (8) is equipped with reacting cycle kill-job channel (17), reacting cycle kill-job channel
(17) bottom end opening is communicated with toroidal cavity (16), and the top end opening and reverse circulation drilling well liquid in reacting cycle kill-job channel (17) are defeated
The inner end port of pipe (18) is sent to communicate, the outer end port of reverse circulation drilling well liquid delivery pipe (18) and the lower part phase of drilling fluid accumulator tank
It is logical, reacting cycle kill-job valve (19), reacting cycle kill-job pump and throttle valve are in series in reverse circulation drilling well liquid delivery pipe (18)；
The top port of the pipe nipple pipe (4) is connected by hoop (5) with the outlet of direct circulation drilling fluid delivery pipe, direct circulation
Direct circulation kill-job pump, the import of direct circulation drilling fluid delivery pipe and the lower part of drilling fluid accumulator tank are in series in drilling fluid delivery pipe
It communicates.
2. the well mouth protector of recyclable kill-job according to claim 1, it is characterised in that: the oil pipe flange (13)
It is fixedly linked between suspension flange (8) using anti-theft bolt (20) and anti-theft nut (21).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821407454.0U CN209195323U (en) | 2018-08-29 | 2018-08-29 | The well mouth protector of recyclable kill-job |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821407454.0U CN209195323U (en) | 2018-08-29 | 2018-08-29 | The well mouth protector of recyclable kill-job |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209195323U true CN209195323U (en) | 2019-08-02 |
Family
ID=67405270
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821407454.0U Expired - Fee Related CN209195323U (en) | 2018-08-29 | 2018-08-29 | The well mouth protector of recyclable kill-job |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209195323U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109025885A (en) * | 2018-08-29 | 2018-12-18 | 盘锦禹帝科技实业有限公司 | The well mouth protector of recyclable kill-job |
-
2018
- 2018-08-29 CN CN201821407454.0U patent/CN209195323U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109025885A (en) * | 2018-08-29 | 2018-12-18 | 盘锦禹帝科技实业有限公司 | The well mouth protector of recyclable kill-job |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20190802 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |