CN203961931U - The electrolysis lock pressure spot duration and degree of heating that is used for the detonation perforator of cable perforation - Google Patents
The electrolysis lock pressure spot duration and degree of heating that is used for the detonation perforator of cable perforation Download PDFInfo
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- CN203961931U CN203961931U CN201420384175.2U CN201420384175U CN203961931U CN 203961931 U CN203961931 U CN 203961931U CN 201420384175 U CN201420384175 U CN 201420384175U CN 203961931 U CN203961931 U CN 203961931U
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- inner sleeve
- shell body
- hole
- liquid feed
- hand member
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Abstract
The utility model discloses a kind of electrolysis lock pressure spot duration and degree of heating of the detonation perforator for cable perforation, comprise left shell, right shell body, tripper, mandrel, piston, inner sleeve and impact head, the inside of left shell is divided into left chamber and right chamber, between left chamber and right chamber, by a core axle hole, be communicated with, on left shell, be also provided with the outside runner being communicated with of core axle hole and left shell; The right-hand member of right shell body also has third through-hole, and liquid feed valve is installed in third through-hole, is provided with a back-up ring in liquid feed valve, and when the pressure being subject to when the switch of liquid feed valve is greater than preset value, back-up ring is cut off liquid feed valve was lost efficacy; When inner sleeve and piston move right to predeterminated position, the switch of the right-hand member of inner sleeve promotion liquid feed valve is cut off back-up ring is in communication with the outside right shell body inside, and impact head moves right with piston synchronous.Electrolysis lock pressure spot duration and degree of heating in the utility model is easy to operate, safe and reliable.
Description
Technical field
The utility model relates to drilling equipment technical field, in particular to a kind of electrolysis lock pressure spot duration and degree of heating of the detonation perforator for cable perforation.
Background technology
Perforation completion is domestic and international most popular completion method, perforation be by perforator down to Oil/gas Well target zone position, penetrate sleeve-penetrating, cement sheath and inject stratum certain depth, set up the flow channel of formation fluid and pit shaft.
At present, domestic cable transfer perforation generally adopts cable to connect magnetic orientator, detonator is positioned in pipe nipple to energising detonating primer, perforating gun.The detonation mode of this cable perforation has been used decades, in use occurs a lot of safety problems, can action row poor, and poor stability is misquoted quick-fried probability high.
Utility model content
Technical problem to be solved in the utility model is, a kind of electrolysis lock pressure spot duration and degree of heating of easy to operate, the safe and reliable detonation perforator for cable perforation is provided.
Therefore, the technical solution of the utility model is as follows:
An electrolysis lock pressure spot duration and degree of heating for the detonation perforator of cable perforation, comprises left shell, right shell body, tripper, mandrel, piston, inner sleeve and impact head, wherein:
The inside of described left shell is divided into left chamber and right chamber, between described left chamber and described right chamber, by a core axle hole, be communicated with, the left end of described mandrel is connected to a limited block, being used for limiting described mandrel moves right, on described left shell, be also provided with the outside runner being communicated with of described core axle hole and described left shell, described mandrel is arranged in described core axle hole and coordinates with the inwall of described core axle hole and forms sealing;
Described tripper is arranged in described left chamber, and the magnetic force that produces the described mandrel of absorption during described tripper energising makes described mandrel move to the left side of described runner, and described right chamber is communicated with described left shell is outside by described core axle hole and described runner;
Described left shell is connected with described right shell body by being arranged on the external screw thread of its right-hand member, described piston is fixedly connected with described inner sleeve and coordinates with the inwall of described inner sleeve and forms sealing in described inner sleeve, the left end of described inner sleeve stretches into the right-hand member of described right chamber and the inwall of described right chamber coordinates formation sealing and fixes by cutting off with described left shell, and the right-hand member of described inner sleeve coordinates formation sealing with the inwall of described right shell body;
The right-hand member of described inner sleeve has the first through hole, the right-hand member of described right shell body has the second through hole, the left end of described impact head is connected to described piston, right-hand member through described the second through hole through described the first through hole, and described impact head coordinates formation sealing with the inwall of described the second through hole;
The right-hand member of described right shell body also has third through-hole, in described third through-hole, liquid feed valve is installed, and is provided with a back-up ring in described liquid feed valve, when the pressure being subject to when the switch of described liquid feed valve is greater than preset value described in back-up ring cut off described liquid feed valve lost efficacy;
When described inner sleeve and described piston move right to predeterminated position, the switch that the right-hand member of described inner sleeve promotes described liquid feed valve is cut off described back-up ring is in communication with the outside described right shell body inside, and described impact head moves right with described piston synchronous.
In this technical scheme, whole electrolysis lock pressure spot fire head structure reliability is high, workable, stability is high, after impact initiation device and the assembling of electrolysis lock pressure spot duration and degree of heating, can guarantee the lock of impact head aligning impact initiation device, the unexpected electric current of well head, shock, vibrations can not make impact head release, release; For cable perforation operation, can realize ground ignition control, utilize the effect of well hydraulic pressure difference that the release of impact initiation device is ignited, when perforating gun does not detonate, above carry perforation tubular column, can prevent that perforating gun from misquoting quick-friedly, can guarantee the safety of personnel and equipment; The application of electrolysis lock pressure spot duration and degree of heating has improved accuracy, the safety of cable perforation operation, for improving safe mass aspect, provides powerful technical support, has great application prospect.
Further, between described inner sleeve and described right shell body, be also provided with collar, on the inwall of described right shell body, the left side of described collar is, the right side of described left shell is provided with a step, after described inner sleeve is moved to the left predeterminable range, described collar ejects and coordinates with described step, to limit described inner sleeve, moves right.In this technical scheme, after having ignited, in well liquid promotion inner sleeve and piston continue to move to, put collar left and eject stop, limited piston and inner sleeve move right, avoid impact head again to contact lock, thus while preventing from carrying perforating gun misquote quick-fried, the safety that has improved whole device.
In addition, in order to guarantee better the sealing of whole some release pressure spot duration and degree of heating, between described mandrel and described left shell, between described piston and described inner sleeve, between described inner sleeve and described left shell, between described left shell and described right shell body, between described inner sleeve and described right shell body, between described impact head and described right shell body, between described liquid feed valve and described right shell body, in these positions, at least one place is provided with sealing ring.
Accompanying drawing explanation
Fig. 1 is according to the structural representation of the electrolysis lock pressure spot duration and degree of heating of the detonation perforator for cable perforation of the utility model embodiment;
Fig. 2 is the connection diagram that pressure spot duration and degree of heating and impact initiation device are locked in the electrolysis in Fig. 1.
The specific embodiment
Below in conjunction with the drawings and specific embodiments, the utility model is described in further detail.It should be noted that, in the situation that not conflicting, the application's embodiment and the feature in embodiment can combine mutually.
As depicted in figs. 1 and 2, the electrolysis lock pressure spot duration and degree of heating according to the detonation perforator for cable perforation of embodiment of the present utility model, comprises left shell 13, right shell body 7, tripper 2, mandrel 3, piston 4, inner sleeve 6 and impact head 9, wherein:
The inside of described left shell 13 is divided into left chamber 21 and right chamber 22, between described left chamber 21 and described right chamber 22, by a core axle hole, be communicated with, the left end of described mandrel 3 is connected to a limited block 14, being used for limiting described mandrel 3 moves right, on described left shell 13, be also provided with described core axle hole and the outside runner 15 being communicated with of described left shell 13, described mandrel 3 is arranged in described core axle hole and coordinates with the inwall of described core axle hole and forms sealing;
Described tripper 2 is arranged in described left chamber 21, the magnetic force that produces the described mandrel 3 of absorption during described tripper 2 energising makes described mandrel 3 move to the left side of described runner 15, and described right chamber 21 is by described core axle hole and described runner 15 and described outside connection of left shell 13;
Described left shell 13 is connected with described right shell body 7 by being arranged on the external screw thread of its right-hand member, described piston 4 is fixedly connected with described inner sleeve 6 and coordinates with the inwall of described inner sleeve 6 and forms sealing in described inner sleeve 6, the left end of described inner sleeve 6 stretches into the right-hand member of described right chamber 22 and the inwall of described right chamber 22 coordinates formation sealing and fixes with described left shell 13 by cutting off 16, and the right-hand member of described inner sleeve 6 coordinates formation to seal with the inwall of described right shell body 7;
The right-hand member of described inner sleeve 6 has the first through hole, the right-hand member of described right shell body 7 has the second through hole, the left end of described impact head 9 is connected to described piston 4, right-hand member through described the second through hole through described the first through hole, and described impact head 9 coordinates formation sealing with the inwall of described the second through hole;
The right-hand member of described right shell body 7 also has third through-hole, liquid feed valve 8 is installed in described third through-hole, in described liquid feed valve 8, be provided with a back-up ring 10, when the pressure being subject to when the switch of described liquid feed valve 8 is greater than preset value described in back-up ring 10 cut off described liquid feed valve 8 lost efficacy;
When described inner sleeve 6 and described piston 4 move right to predeterminated position, the switch that the right-hand member of described inner sleeve 6 promotes described liquid feed valve 8 is cut off described back-up ring 10 is in communication with the outside described right shell body 7 inside, and described impact head 9 synchronously moves right with described piston 4.
Wherein, the left end of left shell is used for being connected to magnetic locator, and the right-hand member of right shell body is used for being connected to impact initiation device; Described tripper 2 can be the devices such as electromagnet, as long as can realize this its object.When needs are ignited, tripper 2 energisings produce magnetic-adsorption mandrel 3 to left movement, right chamber 22 is communicated with left shell 13 is outside by core axle hole and runner 15, well liquid enters right chamber 22 by runner 15 and core axle hole, along with well liquid enters the also increase gradually of pressure that right chamber 22 inner carriers 4 are subject to, finally cut off and cut off 16 promotion pistons 4 and inner sleeve 6 moves right, impact head 9 synchronously moves right to impinging upon on lock 11 with piston 4, makes lock 11 cut off shear pin 12 and continue to promote lock 11 to move right to priming device and ignite; Well hydraulic coupling continues to promote piston 4 and moves to and contact liquid feed valve 8 (i.e. so-called " predeterminated position ") with inner sleeve 6, inner sleeve 6 continues to promote to make back-up ring 10 to shear, seal failure, the well liquid on right shell body 7 right sides enters in right shell body 7 by liquid feed valve 8, now the well hydraulic coupling on piston 4 and inner sleeve 6 right sides is greater than the well hydraulic coupling in left side, well liquid oppositely promotes piston 4 and moves upward with inner sleeve 6, and impact head 9 departs from lock 11, completes ignition.
In this technical scheme, whole electrolysis lock pressure spot fire head structure reliability is high, workable, stability is high, after impact initiation device and the assembling of electrolysis lock pressure spot duration and degree of heating, can guarantee the lock of impact head aligning impact initiation device, the unexpected electric current of well head, shock, vibrations can not make impact head release, release; For cable perforation operation, can realize ground ignition control, utilize the effect of well hydraulic pressure difference that the release of impact initiation device is ignited, when perforating gun does not detonate, above carry perforation tubular column, can prevent that perforating gun from misquoting quick-friedly, can guarantee the safety of personnel and equipment; The application of electrolysis lock pressure spot duration and degree of heating has improved accuracy, the safety of cable perforation operation, for improving safe mass aspect, provides powerful technical support, has great application prospect.
Further, between described inner sleeve 6 and described right shell body 7, be also provided with collar 5, on the inwall of described right shell body 7, the left side of described collar 5 is, the right side of described left shell 13 is provided with a step 17, after described inner sleeve 6 is moved to the left predeterminable range, described collar 5 ejects and coordinates with described step 17, to limit described inner sleeve 6, moves right.In this technical scheme, after ignition completes, well liquid promotes inner sleeve 6 and piston 4 continues to move to collar 5 ejection stop in inner sleeve 6 left, limited piston 4 moves right with inner sleeve 6, avoid impact head 9 again to contact lock 11, thereby while preventing from carrying perforating gun misquote quick-fried, the safety that has improved whole device.
In addition, in order to guarantee better the sealing of whole some release pressure spot duration and degree of heating, between described mandrel 3 and described left shell 13, between described piston 4 and described inner sleeve 6, between described inner sleeve 6 and described left shell 13, between described left shell 13 and described right shell body 7, between described inner sleeve 6 and described right shell body 7, between described impact head 9 and described right shell body 7, between described liquid feed valve 8 and described right shell body 7, in these positions, at least one place is provided with sealing ring.
In sum, content of the present utility model is not limited in the above-described embodiment, and those skilled in the art can propose other embodiment within technological guidance's thought of the present utility model, but within this embodiment is included in scope of the present utility model.
Claims (4)
1. pressure spot duration and degree of heating is locked in the electrolysis for the detonation perforator of cable perforation, it is characterized in that, comprise left shell (13), right shell body (7), tripper (2), mandrel (3), piston (4), inner sleeve (6) and impact head (9), wherein:
The inside of described left shell (13) is divided into left chamber (21) and right chamber (22), between described left chamber (21) and described right chamber (22), by a core axle hole, be communicated with, the left end of described mandrel (3) is connected to a limited block (14), being used for limiting described mandrel (3) moves right, on described left shell (13), be also provided with the outside runner (15) being communicated with of described core axle hole and described left shell (13), described mandrel (3) is arranged in described core axle hole and coordinates with the inwall of described core axle hole and forms sealing;
Described tripper (2) is arranged in described left chamber (21), the magnetic force that produces the described mandrel of absorption (3) during described tripper (2) energising makes described mandrel (3) move to the left side of described runner (15), and described right chamber (22) is communicated with described left shell (13) is outside by described core axle hole and described runner (15);
Described left shell (13) is connected with described right shell body (7) by being arranged on the external screw thread of its right-hand member, described piston (4) is fixedly connected with described inner sleeve (6) and coordinates with the inwall of described inner sleeve (6) and forms sealing in described inner sleeve (6), the left end of described inner sleeve (6) stretches into the right-hand member of described right chamber (22) and the inwall of described right chamber (22) coordinates formation sealing fixing with described left shell (13) by cutting off (16), and the right-hand member of described inner sleeve (6) coordinates formation to seal with the inwall of described right shell body (7);
The right-hand member of described inner sleeve (6) has the first through hole, the right-hand member of described right shell body (7) has the second through hole, the left end of described impact head (9) is connected to described piston (4), right-hand member through described the second through hole through described the first through hole, and described impact head (9) coordinates formation sealing with the inwall of described the second through hole;
The right-hand member of described right shell body (7) also has third through-hole, liquid feed valve (8) is installed in described third through-hole, in described liquid feed valve (8), be provided with a back-up ring (10), when the pressure being subject to when the switch of described liquid feed valve (8) is greater than preset value described in back-up ring (10) cut off described liquid feed valve (8) lost efficacy;
When described inner sleeve (6) and described piston (4) move right to predeterminated position, the switch that the right-hand member of described inner sleeve (6) promotes described liquid feed valve (8) is cut off described back-up ring (10) is in communication with the outside described right shell body (7) inside, and described impact head (9) synchronously moves right with described piston (4).
2. pressure spot duration and degree of heating is locked in the electrolysis of the detonation perforator for cable perforation according to claim 1, it is characterized in that, between described inner sleeve (6) and described right shell body (7), be also provided with collar (5), on the inwall of described right shell body (7), the right side of the left side of described collar (5), described left shell (13) is provided with a step (17), after described inner sleeve (6) is moved to the left predeterminable range, described collar (5) ejects and coordinates with described step (17), to limit described inner sleeve (6), moves right.
3. the electrolysis of the detonation perforator for cable perforation according to claim 1 and 2 lock pressure spot duration and degree of heating, is characterized in that, described tripper (2) is electromagnet.
4. pressure spot duration and degree of heating is locked in the electrolysis of the detonation perforator for cable perforation according to claim 1 and 2, it is characterized in that, between described mandrel (3) and described left shell (13), between described piston (4) and described inner sleeve (6), between described inner sleeve (6) and described left shell (13), between described left shell (13) and described right shell body (7), between described inner sleeve (6) and described right shell body (7), between described impact head (9) and described right shell body (7), between described liquid feed valve (8) and described right shell body (7), in these positions, at least one place is provided with sealing ring.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420384175.2U CN203961931U (en) | 2014-07-11 | 2014-07-11 | The electrolysis lock pressure spot duration and degree of heating that is used for the detonation perforator of cable perforation |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420384175.2U CN203961931U (en) | 2014-07-11 | 2014-07-11 | The electrolysis lock pressure spot duration and degree of heating that is used for the detonation perforator of cable perforation |
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| Publication Number | Publication Date |
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| CN203961931U true CN203961931U (en) | 2014-11-26 |
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| CN201420384175.2U Expired - Fee Related CN203961931U (en) | 2014-07-11 | 2014-07-11 | The electrolysis lock pressure spot duration and degree of heating that is used for the detonation perforator of cable perforation |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105064961A (en) * | 2015-08-26 | 2015-11-18 | 重庆大学 | Cable perforation device for preliminary fracture forming of shale bed rock |
| CN111183270A (en) * | 2017-07-25 | 2020-05-19 | 狩猎巨人公司 | Hydraulic delay actuated by energy output of perforating gun |
| CN113090223A (en) * | 2019-12-23 | 2021-07-09 | 中国石油天然气股份有限公司 | Setting tool and setting method |
-
2014
- 2014-07-11 CN CN201420384175.2U patent/CN203961931U/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105064961A (en) * | 2015-08-26 | 2015-11-18 | 重庆大学 | Cable perforation device for preliminary fracture forming of shale bed rock |
| CN105064961B (en) * | 2015-08-26 | 2017-05-31 | 重庆大学 | A kind of cable perforation device that seam is tentatively made to rammell rock |
| CN111183270A (en) * | 2017-07-25 | 2020-05-19 | 狩猎巨人公司 | Hydraulic delay actuated by energy output of perforating gun |
| CN113090223A (en) * | 2019-12-23 | 2021-07-09 | 中国石油天然气股份有限公司 | Setting tool and setting method |
| CN113090223B (en) * | 2019-12-23 | 2022-06-03 | 中国石油天然气股份有限公司 | Setting tool and setting method |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20200106 Address after: 100120 Beijing Xicheng District six laying Kang Co-patentee after: CHINA PETROLEUM LOGGING Co.,Ltd. Patentee after: CHINA NATIONAL PETROLEUM Corp. Address before: 300457 science and Technology Development Office of Bohai Drilling Engineering Co., Ltd., No. 106 Huang Hai Road, Tianjin Binhai New Area Development Zone Patentee before: CNPC Bohai Drilling Engineering Co.,Ltd. |
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| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20141126 |