CN105386737A - Blowout preventing hole opener for casing pipe - Google Patents
Blowout preventing hole opener for casing pipe Download PDFInfo
- Publication number
- CN105386737A CN105386737A CN201510876517.1A CN201510876517A CN105386737A CN 105386737 A CN105386737 A CN 105386737A CN 201510876517 A CN201510876517 A CN 201510876517A CN 105386737 A CN105386737 A CN 105386737A
- Authority
- CN
- China
- Prior art keywords
- sleeve pipe
- blowout prevention
- pressure
- pipe joint
- gate valve
- 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.)
- Granted
Links
- 238000005553 drilling Methods 0.000 claims abstract description 29
- 238000007789 sealing Methods 0.000 claims abstract description 12
- 230000002265 prevention Effects 0.000 claims description 20
- 210000004907 gland Anatomy 0.000 claims description 12
- 229920000459 Nitrile rubber Polymers 0.000 claims description 2
- 229910001069 Ti alloy Inorganic materials 0.000 claims description 2
- 230000013011 mating Effects 0.000 claims 1
- 239000007789 gas Substances 0.000 abstract description 7
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 abstract description 6
- 239000007788 liquid Substances 0.000 abstract description 4
- 239000003345 natural gas Substances 0.000 abstract description 3
- 238000004519 manufacturing process Methods 0.000 abstract description 2
- 239000003209 petroleum derivative Substances 0.000 abstract 1
- 238000000034 method Methods 0.000 description 3
- 238000010276 construction Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 230000007774 longterm Effects 0.000 description 2
- 238000004080 punching Methods 0.000 description 2
- 238000004064 recycling Methods 0.000 description 2
- 241001074085 Scophthalmus aquosus Species 0.000 description 1
- 229910000831 Steel Inorganic materials 0.000 description 1
- 229910045601 alloy Inorganic materials 0.000 description 1
- 239000000956 alloy Substances 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 230000007717 exclusion Effects 0.000 description 1
- 239000002360 explosive Substances 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 238000001746 injection moulding Methods 0.000 description 1
- 238000012805 post-processing Methods 0.000 description 1
- 230000001681 protective effect Effects 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
- 238000013022 venting Methods 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 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
- E21B29/00—Cutting or destroying pipes, packers, plugs or wire lines, located in boreholes or wells, e.g. cutting of damaged pipes, of windows; Deforming of pipes in boreholes or wells; Reconditioning of well casings while in the ground
- E21B29/06—Cutting windows, e.g. directional window cutters for whipstock operations
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)
- Drilling And Boring (AREA)
- Earth Drilling (AREA)
Abstract
The invention relates to a blowout preventing hole opener for a casing pipe, and belongs to the fields of petroleum and natural gas machinery. The blowout preventing hole opener structurally comprises a pressing sleeve type pipe joint, a gate valve and a detachable drilling device, wherein the pressing sleeve type pipe joint is arranged on the side wall of the casing pipe and is fixed by safety slips; the gate valve and the detachable drilling device are sequentially connected behind the pressing sleeve type pipe joint. The blowout preventing hole opener is characterized in that the pressing sleeve type pipe joint is pressurized and locked on the lateral surface of the casing pipe by means of the safety slips and realizes sealing by means of a pressure sealing sleeve embedded in the end; a hoop connector is arranged on one end face of the pressing sleeve type pipe joint, and is positioned and connected with the gate valve to form an operation channel of a drill bushing and a drill bit. The blowout preventing hole opener is used for emptying gas and liquid in a well or a pipeline; by using the blowout preventing hole opener, the working efficiency is improved, potential safety hazards are eliminated, and safe production is guaranteed.
Description
Technical field
The invention belongs to oil, natural gas mechanical field, relate to oil, the perforate of natural gas wellhead casing pipe, pressure release, be specifically related to from the blowout prevention of sleeve pipe lateral opening hole, pressure relief device.
Background technology
Along with the long-term exploitation in oil field, large quantities of oil, gas, well is had to become geology abandoned well or engineering rejection well because losing value every year.These scrap in oil, gas, well, and part well implements the grey shut-in well measure of note before scrapping; Adopt cap bag to be covered by well head when part well is stopped using, then weld shut-in well.There is two large problems in these abandoned wells: one is that adjustment is adopted through long-term exploitation and note in oil field, and oil gas water can redistribute in the earth formation, easily causes gas blowout accident, and accident generation post-processing difficulty is larger; Two is constantly perfect along with oil field development, and some abandoned well has very large exploits value again, but owing to closing for a long time, affect by factors such as underground environment changes, OIH, atmospheric pressure are higher, again during construction operation, easily catch fire or gas blowout accident.In order to give these well pressure releases, need to make a kind of special Tapper.
Two kinds of Tappers that notification number is respectively CN203830779U and CN204094186 are all punch on the cap bag of sleeve upper end, after punching, need to wait for that borehole pressure discharges completely, then could dismantle card punch to punch for other wells, venting duration is long, dismounting difficulty, and is not suitable for the abandoned well adopting the grey shut-in well measure of note.
Summary of the invention
The present invention is in order to solve the perforate pressure release problem of plugged well and conveyance conduit, devise a kind of Tapper, by being arranged on the control gate valve of sleeve pipe side and drilling equipment to sleeve tube pressure perforate, by emptying for the gas-liquid in well or in pipeline, increase work efficiency, eliminate safe hidden trouble, ensure safety in production.
Technical scheme of the present invention is: a kind of sleeve pipe blowout prevention Tapper, structure comprise pressure sleeve type pipe joint that the safety slip be arranged on sleeve side walls fixes, successively connect thereafter be gate valve and detachable drilling equipment, key is: pressure sleeve type pipe joint realizes sealing by the envelope gland being embedded in termination by safety slip pressurization locking on sleeve pipe side surface; The other end of pressure sleeve type pipe joint is provided with clamp connection head, be located by connecting with gate valve after form the operation path of drill bushing and drill bit.
The invention has the beneficial effects as follows: this Tapper is used for stopping well or conveyance conduit carries out perforate pressure release to oil field is long, sleeve pipe side is arranged at by safety slip, quick, raising operation timeliness is installed, applicability is wide, easy to operate, airtight press and open holes technology of not getting angry is adopted to implement press and open holes operation, eliminate the operating risk such as blowout, fire, blast caused because getting angry, safe and reliable, solve a difficult problem of the improvement of abandoned well well control and abandoned well being held up to recycling of lying.
Accompanying drawing explanation
Fig. 1 is structural representation of the present invention;
Fig. 2 is the structural representation of drilling equipment of the present invention;
Fig. 3 is the structural representation of pressure sleeve type pipe joint;
Fig. 4 is the structural representation of envelope gland;
In accompanying drawing, 1 is sleeve pipe, and 2 is pressure sleeve type pipe joints, and 2-1 passes through face mutually, 2-2 is clamp connection head, and 2-3 representative connects otic placode, and 2-4 is seal groove, and 3 is envelope glands, 3-1 passes through sealing surface mutually, and 3-2 represents orientation pin, and 4 is gate valves, and 5 is drilling rods, 5-1 is feed screw, and 5-2 is drill bit, and 5-3 is feeding handwheel, and 5-4 is swiveling wheel, 5-5 rotates screw, and 5-6 is pressure release valve opening, and 6 is safety slips, and 7 is bypass vent valves, 8 is pressure meters, and 9 is relief valves, and 10 is springs, and 11 is cylinder barrels.
Detailed description of the invention
A kind of sleeve pipe blowout prevention Tapper, structure comprise be arranged on safety slip on sleeve pipe 1 sidewall 6 fixing pressure sleeve type pipe joint 2, successively connect thereafter be gate valve 4 and detachable drilling equipment, key is: pressure sleeve type pipe joint 2 realizes sealing by the envelope gland 3 being embedded in termination by safety slip 6 locking of pressurizeing on sleeve pipe 1 side surface; The other end of pressure sleeve type pipe joint 2 is provided with clamp connection head 2-2, be located by connecting with gate valve 4 after form the operation path of drill bushing and drill bit.
Described pressure sleeve type pipe joint 2 one end is that face of passing through the mutually 2-1 mated with sleeve pipe 1 side, the flange form clamp connection head 2-2 of the other end is connected, is positioned at both sides with the union of gate valve 4 connection otic placode 2-3 by high pressure clip are connected with safety slip 6 by pin, and the valve opening communicated with pressure sleeve type pipe joint 2 centre bore is provided with pressure meter 8 and bypass vent valve 7.When Tapper is installed, safety slip 6 is sleeved on sleeve pipe 1, can dismounting package unit safely and fast, safely, save time, laborsaving; Pressure parameter in sleeve pipe 1 when pressure meter 8 can show bore operation in real time and drill through is set; Bypass vent valve 7 is for the oil-gas-liquid with pressure in exclusion sleeve 1.Envelope gland 3 is arranged in the seal groove 2-4 of pressure sleeve type pipe joint 2 by orientation pin 3-2, has the through hole passing through sealing surface 3-1 mutually and mate with drill bit 5-2 mated with sleeve pipe 1 side; Aim at by 3 orientation pin 3-2 when envelope gland 3 loads in pressure sleeve type pipe joint 2; Envelope gland 3 thickeies acrylonitrile-butadiene rubber sealing ring for large area, the reliable and long service life of sealing effectiveness, orientation pin 3-2 can with seal gland 3 integrated injection molding, also can process separately.
This sleeve pipe blowout prevention Tapper forms primarily of two large divisions, safety slip 6, gate valve 4, bypass vent valve 7, pressure meter 8 and envelope gland 3 form standing part, are mainly used in oil-gas-liquid was fixed, and be tightly connected and controlled to sleeve pipe and a whole set of Tapper switch, discharge etc.; Drilling equipment and the relief valve 9 be arranged on cylinder barrel 11 form removable section, are mainly used in perforate and the blowout prevention isolating seal of sleeve pipe 1.Adopt splitization to install, removable section can be reused.When perforate operation, open gate valve 4, after perforate operation completes, exit drilling rod 5 completely, closing gate valve 4, removable section of dismantling.
See accompanying drawing, the other end union of gate valve 4 has cylinder barrel 11 by high pressure clamp connection, the rotation screw 5-5 that the drilling equipment through cylinder barrel 11 comprises drilling rod 5, is arranged on the feed screw 5-1 on drilling rod 5 and coordinates with feed screw 5-1; Be separately positioned on and rotate feeding handwheel 5-3 on screw 5-5 and drilling rod 5 and swiveling wheel 5-4 and be positioned at cylinder barrel 11 one end; Be positioned at the drill bit 5-2 of cylinder barrel 11 other end through gate valve 4 and pressure sleeve type pipe joint 2 and sleeve pipe 1 contacts side surfaces.Feed screw 5-1 and drilling rod 5, between feed screw 5-1 and cylinder barrel 11 respectively by rotating Glais ring and y-shaped ring forms blowout prevention distance piece, wiper seal can be isolated, prevent from leaking from the rotation of drilling rod 5, Feed servo system section, cause potential safety hazard.Relief valve 9 is arranged on the pressure release valve opening 5-6 on cylinder barrel 11 between drill bit 5-2 and drilling rod blowout prevention distance piece, so that drilling rod rotates and wiper seal, and residual pressure can be discharged after boring terminates.Feed screw 5-1 and drilling rod 5, rotate between screw 5-5 and cylinder barrel 11 and be provided with bearing.
Drill bit 5-2 is specialty titanium alloys drill bit, solid durable.By lending leading screw 5-1 and rotating screw 5-5, trace, evenly feeding can be realized, and stage clip 10 is set between drill bit 5-2 and drilling rod 5, be formed from compression type microfeed mode, make perforate swivel feeding softer laborsaving.Cylinder barrel 11 adopts high strength, high-ductility alloy seamless steel pipe processes, and through appropriate heat treatment, ensures safe and reliable under elevated pressure conditions, and drilling rod 5 electronic rotation adopts the explosion-proof brill of 220V, is applicable to inflammable and explosive medium occasion.During perforate, the feeding of drill bit is hand feed, and the main rotation of drilling rod can be by work-saving device manual rotation, also can drive automatic rotation by electricity consumption flowing mode.Gate valve 4 can adopt Wedge Gate Valves or spherical block valve, and withstand voltage scope requires selected according to oil field, be generally more than 25Mpa.
During concrete enforcement, see accompanying drawing, check Tapper and pressure testing, then by the hold-down bolt of safety slip 6, Tapper entirety is fixed on sleeve pipe 1 side, gate valve 4 is opened to fully open position, open relief valve 9 simultaneously, manual adjustments feeding handwheel 5-3, make drill bit 5-2 close and be close to sleeve pipe 1 external surface, close relief valve 9 and bypass vent valve 7, pressure meter 8 valve is in open mode, manually or electronic rotation drilling rod 5, adjust the surface punching of hand feed contact sleeve pipe 1 simultaneously, after hole is punched, slowly exit drill bit 5-2, complete closing gate valve 4, open relief valve 9, release residual pressure, to dismantle removable section, and expose end face of flange at gate valve 4 and install protective cover additional.Borehole fluid pressure bleeds off pressure by bypass vent valve 7, gate valve 4 and impulse pipeline, thus completes sleeve pipe 1 perforate and pressure detecting overall process.For the well holding up recycling of lying, again during construction operation, after first perforate pressure release, then gas welding is adopted to be opened by well head.This Tapper is not only applicable to the abandoned well of cap bag sealing, can also be used for the perforate pressure release of noting grey well and high-pressure delivery pipeline.
Claims (10)
1. a sleeve pipe blowout prevention Tapper, structure comprise be arranged on the fixing pressure sleeve type pipe joint (2) of safety slip (6) on sleeve pipe (1) sidewall, successively connect thereafter be gate valve (4) and detachable drilling equipment, it is characterized in that: pressure sleeve type pipe joint (2) realizes sealing by the envelope gland (3) being embedded in termination on sleeve pipe (1) side surface by safety slip (6) pressurization locking; The other end of pressure sleeve type pipe joint (2) is provided with clamp connection head (2-2), be located by connecting with gate valve (4) after form the operation path of drill bushing and drill bit.
2. a kind of sleeve pipe blowout prevention Tapper according to claim 1, it is characterized in that: described pressure sleeve type pipe joint (2) one end is the face of passing through mutually (2-1) of mating with sleeve pipe (1) side, the flange form clamp connection head (2-2) of the other end is connected, is positioned at both sides with the union of gate valve (4) connection otic placode (2-3) by high pressure clip is connected with safety slip (6) by pin, and the valve opening communicated with pressure sleeve type pipe joint (2) centre bore is provided with pressure meter (8) and bypass vent valve (7).
3. a kind of sleeve pipe blowout prevention Tapper according to claim 1, it is characterized in that: described envelope gland (3) is arranged in the seal groove (2-4) of pressure sleeve type pipe joint (2) by orientation pin (3-2), has the through hole passing through sealing surface (3-1) mutually and mate with drill bit (5-2) mated with sleeve pipe (1) side.
4. a kind of sleeve pipe blowout prevention Tapper according to claim 1, it is characterized in that: the other end of described gate valve (4) has cylinder barrel (11) by high pressure clamp connection, the rotation screw (5-5) that the drilling equipment through cylinder barrel (11) comprises drilling rod (5), is arranged on the feed screw (5-1) on drilling rod (5) and coordinates with feed screw (5-1); Be separately positioned on rotate screw (5-5) and drilling rod (5) on feeding handwheel (5-3) and swiveling wheel (5-4) be positioned at cylinder barrel (11) one end; The drill bit (5-2) being positioned at cylinder barrel (11) other end is through gate valve (4) and pressure sleeve type pipe joint (2) and sleeve pipe (1) contacts side surfaces.
5. a kind of sleeve pipe blowout prevention Tapper according to claim 4, is characterized in that: described feed screw (5-1) and drilling rod (5), between feed screw (5-1) and cylinder barrel (11) respectively by rotating Glais ring and y-shaped ring forms blowout prevention distance piece.
6. a kind of sleeve pipe blowout prevention Tapper according to claim 5, is characterized in that: described cylinder barrel (11) is provided with relief valve (9), and relief valve (9) is positioned on the pressure release valve opening (5-6) between drill bit (5-2) and blowout prevention distance piece.
7. a kind of sleeve pipe blowout prevention Tapper according to claim 4, is characterized in that: be provided with stage clip (10) between described drill bit (5-2) and drilling rod (5).
8. a kind of sleeve pipe blowout prevention Tapper according to claim 1, is characterized in that: described drill bit (5-2) is titanium alloy drill bit.
9. a kind of sleeve pipe blowout prevention Tapper according to claim 1 or 3, is characterized in that: described envelope gland (3) is acrylonitrile-butadiene rubber sealing ring.
10. a kind of sleeve pipe blowout prevention Tapper according to claim 1 or 2 or 4, is characterized in that: described gate valve (4) is Wedge Gate Valves or spherical block valve.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510876517.1A CN105386737B (en) | 2015-12-03 | 2015-12-03 | A kind of punching device under pressure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510876517.1A CN105386737B (en) | 2015-12-03 | 2015-12-03 | A kind of punching device under pressure |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105386737A true CN105386737A (en) | 2016-03-09 |
| CN105386737B CN105386737B (en) | 2018-07-17 |
Family
ID=55419439
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510876517.1A Active CN105386737B (en) | 2015-12-03 | 2015-12-03 | A kind of punching device under pressure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105386737B (en) |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107262780A (en) * | 2017-06-07 | 2017-10-20 | 四川行之智汇知识产权运营有限公司 | A kind of instrument of nuclear power station pipeline perforate |
| CN107724997A (en) * | 2017-11-03 | 2018-02-23 | 中国石油天然气集团公司 | Length stops well drilling and bleeds off pressure device and method |
| CN109138892A (en) * | 2018-10-11 | 2019-01-04 | 王瑞东 | High pressure shut-in well oil-water well punching device under pressure and plugging holes device |
| CN110043198A (en) * | 2018-01-16 | 2019-07-23 | 中国石油天然气集团有限公司 | A kind of oil-gas pipeline aperture pipe nipple |
| CN110374540A (en) * | 2019-05-13 | 2019-10-25 | 铜陵有色金属集团铜冠矿山建设股份有限公司 | Water control device and control hydraulic art are combined in a kind of protrusion-dispelling blowout prevention of mine detecting water by pilot hole aperture |
| CN116653046A (en) * | 2023-06-06 | 2023-08-29 | 青岛优派普环保科技股份有限公司 | PE pipeline pressurized perforating device and construction method thereof |
| CN117307091A (en) * | 2023-09-20 | 2023-12-29 | 江苏江沅机械有限公司 | Wellhead valve flashboard pressurized perforating device |
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Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107262780A (en) * | 2017-06-07 | 2017-10-20 | 四川行之智汇知识产权运营有限公司 | A kind of instrument of nuclear power station pipeline perforate |
| CN107724997A (en) * | 2017-11-03 | 2018-02-23 | 中国石油天然气集团公司 | Length stops well drilling and bleeds off pressure device and method |
| CN107724997B (en) * | 2017-11-03 | 2019-07-09 | 中国石油天然气集团公司 | It is long to stop well drilling and bleed off pressure the length of device to stop well drilling and bleed off pressure method |
| CN110043198A (en) * | 2018-01-16 | 2019-07-23 | 中国石油天然气集团有限公司 | A kind of oil-gas pipeline aperture pipe nipple |
| CN109138892A (en) * | 2018-10-11 | 2019-01-04 | 王瑞东 | High pressure shut-in well oil-water well punching device under pressure and plugging holes device |
| CN110374540A (en) * | 2019-05-13 | 2019-10-25 | 铜陵有色金属集团铜冠矿山建设股份有限公司 | Water control device and control hydraulic art are combined in a kind of protrusion-dispelling blowout prevention of mine detecting water by pilot hole aperture |
| CN110374540B (en) * | 2019-05-13 | 2024-04-05 | 铜陵有色金属集团铜冠矿山建设股份有限公司 | Mine advanced water detection orifice anti-bursting and anti-blowout combined water control device and water control process |
| CN116653046A (en) * | 2023-06-06 | 2023-08-29 | 青岛优派普环保科技股份有限公司 | PE pipeline pressurized perforating device and construction method thereof |
| CN116653046B (en) * | 2023-06-06 | 2024-02-06 | 青岛优派普环保科技股份有限公司 | PE pipeline pressurized perforating device and construction method thereof |
| CN117307091A (en) * | 2023-09-20 | 2023-12-29 | 江苏江沅机械有限公司 | Wellhead valve flashboard pressurized perforating device |
| CN117307091B (en) * | 2023-09-20 | 2024-09-06 | 江苏江沅机械有限公司 | Wellhead valve flashboard pressurized perforating device |
Also Published As
| Publication number | Publication date |
|---|---|
| CN105386737B (en) | 2018-07-17 |
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