CN206888963U - Cable perforation automatic safe relief valve - Google Patents
Cable perforation automatic safe relief valve Download PDFInfo
- Publication number
- CN206888963U CN206888963U CN201720319128.3U CN201720319128U CN206888963U CN 206888963 U CN206888963 U CN 206888963U CN 201720319128 U CN201720319128 U CN 201720319128U CN 206888963 U CN206888963 U CN 206888963U
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- China
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- perforation
- seal groove
- plug assembly
- relief valve
- end connector
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Abstract
A kind of cable perforation automatic safe relief valve is the utility model is related to, there is the upper end connector to be spun with perforation head harness joint at both ends, and there is seal groove the lower end connector to be spun with perforation gun joint, lower end connector outer surface；There is pressure transmission passage center section, there is plug assembly on pressure transmission passage, and plug assembly upper end is spring assembly, and there is relief hole in stage casing, and lower end side has seal groove；Plug assembly lower end connects with pressure transmission passage；There is the pressure cap of pressing spring component on plug assembly, there is seal groove pressure cap side；There is blind hole center section side.In use, each seal groove dress O-ring seals, first fill plug assembly, after screw pressure cap.After having assembled, upper and lower end joint is connected with perforation head harness, perforating gun；After rifle seals in well, cable is powered, ignites electric cap, after perforating gun, abnormal perforation, gas discharges automatically in gun barrel.This valve arrangement is compact, is convenient for carrying, easy to operate, fries rifle accident caused by avoiding abnormal perforation, has ensured the safety of operating personnel.
Description
Technical field
It the utility model is related to conventional oil well and unconventionaloil pool well cable perforation field of operation, and in particular to a kind of cable
Perforation automatic safe relief valve, is generally mated wireline operation.
Background technology
In cable perforation operation, when igniting perforating gun string, if quality problems or artificial installation question be present in primacord,
Primacord, perforating bullet burning or detonation, abnormal perforation can then be caused, then a large amount of gases can be produced in perforation casing, pressure is anxious
Increase severely big：Strung out in perforating gun to during well head, gun barrel external pressure is gradually reduced, when rifle overpressure is much larger than outside gun barrel
During pressure, fried rifle can be caused, rifle string falls well；Or after rifle strings out ground, when workmen dismantles pipette tips, rifle inner high voltage releases wound
People, cause security incident.
CN203383798U discloses a kind of oil gas shallow well releasing pressure automatically gun breech structure, is installed on gun breech intracavity posterior end mesopore
Pressure release piece, and partial pressure cage is installed outside pressure release piece, there is pre-cut breaking tank on pressure release piece side, partial pressure cage is screwed in
Gun breech rear end, and there is radial direction relief hole partial pressure cage outer peripheral edge.
The content of the invention
The purpose of this utility model is to be directed to the above-mentioned state of the art, it is desirable to provide it is a kind of compact-sized, it is convenient for carrying, operates
Simplicity, safe, after perforating gun string is detonated abnormal perforation, the cable that can discharge residual gas in gun barrel automatically is penetrated
Hole automatic safe relief valve.
The implementation of the utility model purpose is cable perforation automatic safe relief valve, and both ends have and perforation horse cage
The upper end connector that head joint spins, the lower end connector to be spun with perforation gun joint, there is seal groove three lower end connector outer surface；It is middle
There is pressure transmission passage part, has plug assembly on pressure transmission passage, plug assembly upper end is spring assembly, and there are relief hole, lower end in stage casing
There is seal groove two side；Plug assembly lower end connects with pressure transmission passage；There are the pressure cap of pressing spring component, pressure cap side on plug assembly
There is seal groove one in face；There is blind hole center section side.
During using the utility model, O-ring seals are filled in seal groove two, coat silicone grease, load plug assembly；Seal groove one
Middle dress O seals shape circle, coats silicone grease, pressure cap is screwed；O sealing shape circles are filled in seal groove three, and coat silicone grease, assembling finishes
Afterwards, upper and lower end joint of the present utility model is connected with perforation head harness, perforating gun respectively using hook spanner；Perforating gun string
After entering well, cable is powered, after igniting electric cap, perforating gun, if abnormal perforation, a large amount of gases are produced in gun barrel, in rifle string
During rising, gas will pass sequentially through pressure transmission passage, relief hole in gun barrel, discharge automatically.
The utility model is simple in construction, easy to operate, safe, good reliability；Suitable for conventional oil well and unconventional
Oil/gas Well cable perforation operation, safety guarantee is provided for cable perforation construction.
Brief description of the drawings
Fig. 1 is the utility model structure diagram.
Embodiment
The utility model is described in detail with reference to the accompanying drawings.
There is the upper end connector 1 to be spun with perforation head harness joint at reference picture 1, the utility model both ends, with perforation gun joint
There is seal groove 38 the lower end connector 9 to spin, the lower outer surface of end connector 9；There is pressure transmission passage 10 center section, has on pressure transmission passage
Plug assembly 6, plug assembly upper end are spring assembly 5, and there is relief hole 2 in stage casing, and lower end side has seal groove 27；Plug assembly 6
Lower end connects with pressure transmission passage 10；There is the pressure cap 4 of pressing spring component on plug assembly, there is seal groove 1 side of pressure cap 4；It is middle
Surface has blind hole 11.
The utility model overall length 174.0mm, external diameter are Φ 102.0mm.Upper 1 long 48.7mm of end connector, with perforation head harness
The long 40.0mm of screw thread that joint spins；Screw thread button-type is Tr65 × 4, pin thread.Lower 9 long 61.2mm of end connector, with perforation gun joint
The long 35.2mm of screw thread to spin；Screw thread button-type is Tr90 × 4, pin thread.
The upper external diameter of end connector 1 is Φ 64.0mm, and internal diameter is Φ 44.0mm, wall thickness 10.0mm；The lower external diameter of end connector 9 is Φ
90.8mm, wall thickness 15.0mm, internal diameter are Φ 60.8mm.
Seal groove 1 is Φ 25.12mm × 1.78mm groove, and seal groove 27 is Φ 15.54mm × 2.62mm groove；It is close
Sealing groove 38 is Φ 82.14mm × 3.53mm.
The external diameter of relief hole 2 is Φ 6.0mm, and the external diameter of pressure transmission passage 10 is Φ 5.0mm, and the external diameter of blind hole 11 is Φ 10.0mm.
During using the utility model, O-ring seals are filled in seal groove 27, coat silicone grease, load plug assembly 6；Seal groove
O sealing shape circles are filled in one 3, silicone grease is coated, pressure cap 4 is screwed；O sealing shape circles are filled in seal groove 38, and coat silicone grease.Assembling
After, upper and lower end joint of the present utility model is connected with perforation head harness, perforating gun respectively using hook spanner；Perforation
After rifle seals in well, cable is powered, after igniting electric cap, perforating gun, if abnormal perforation, a large amount of gases are produced in gun barrel,
During rifle is strung out, gas will pass sequentially through pressure transmission passage, relief hole in gun barrel, discharge automatically.
Claims (5)
1. cable perforation automatic safe relief valve, it is characterised in that：There is the upper termination to be spun with perforation head harness joint at both ends
There is seal groove three head, the lower end connector to be spun with perforation gun joint, lower end connector outer surface；There is pressure transmission passage center section, passes
There is plug assembly on pressure passageway, plug assembly upper end is spring assembly, and there is relief hole in stage casing, and lower end side has seal groove two；It is stifled
Plug assembly lower end connects with pressure transmission passage；There is the pressure cap of pressing spring component on plug assembly, there is seal groove one pressure cap side；It is middle
Surface has blind hole.
2. cable perforation according to claim 1 automatic safe relief valve, it is characterised in that：The automatic peace of cable perforation
The long 174.0mm of full relief valve；The upper long 48.7mm of end connector, the long 40.0mm of screw thread to be spun with perforation head harness joint；Lower termination
Long 61.2mm, the long 35.2mm of screw thread to be spun with perforation gun joint.
3. cable perforation according to claim 1 automatic safe relief valve, it is characterised in that：Upper end connector outer diameter is Φ
64.0mm, internal diameter are Φ 44.0mm, wall thickness 10.0mm；Lower end connector outer diameter is Φ 90.8mm, wall thickness 15.0mm, internal diameter Φ
60.8mm。
4. cable perforation according to claim 1 automatic safe relief valve, it is characterised in that：Seal groove 1 is Φ
25.12mm × 1.78mm groove, seal groove 27 are Φ 15.54mm × 2.62mm groove；Seal groove 38 be Φ 82.14mm ×
3.53mm groove.
5. cable perforation according to claim 1 automatic safe relief valve, it is characterised in that：The external diameter of relief hole 2 is Φ
6.0mm, the external diameter of pressure transmission passage 10 are Φ 5.0mm, and the external diameter of blind hole 11 is Φ 10.0mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720319128.3U CN206888963U (en) | 2017-03-29 | 2017-03-29 | Cable perforation automatic safe relief valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720319128.3U CN206888963U (en) | 2017-03-29 | 2017-03-29 | Cable perforation automatic safe relief valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206888963U true CN206888963U (en) | 2018-01-16 |
Family
ID=61329242
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720319128.3U Active CN206888963U (en) | 2017-03-29 | 2017-03-29 | Cable perforation automatic safe relief valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206888963U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106838391A (en) * | 2017-03-29 | 2017-06-13 | 中石化江汉石油工程有限公司 | Cable perforation automatic safe relief valve |
-
2017
- 2017-03-29 CN CN201720319128.3U patent/CN206888963U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106838391A (en) * | 2017-03-29 | 2017-06-13 | 中石化江汉石油工程有限公司 | Cable perforation automatic safe relief valve |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20180910 Address after: 433123 235 Xiangyang 57 Avenue, Qianjiang, Hubei Co-patentee after: SINOPEC JIANGHAN PETROLEUM ENGINEERING CO., LTD. Patentee after: Measurement Logging Co, Ltd. of SINOPEC Jianghan Petroleum Engineering Co., Ltd. Address before: 433123 Hubei provincial and provincial administrative unit 235 Xiangyang 57 Avenue. Patentee before: Measurement Logging Co, Ltd. of SINOPEC Jianghan Petroleum Engineering Co., Ltd. |