CN204609850U - One can repeat pressure drilling controller - Google Patents
One can repeat pressure drilling controller Download PDFInfo
- Publication number
- CN204609850U CN204609850U CN201520167973.4U CN201520167973U CN204609850U CN 204609850 U CN204609850 U CN 204609850U CN 201520167973 U CN201520167973 U CN 201520167973U CN 204609850 U CN204609850 U CN 204609850U
- Authority
- CN
- China
- Prior art keywords
- shearing ring
- shear pin
- cap
- piston
- pressure drilling
- 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.)
- Expired - Fee Related
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- Perforating, Stamping-Out Or Severing By Means Other Than Cutting (AREA)
Abstract
The utility model discloses one and can repeat pressure drilling controller, comprise top connection (1), lower contact (8), be arranged on the piston (2) that top connection (1) is inner, be arranged on the striker (9) of piston (2) end, shear pin (7), cap well (10) is provided with in described lower contact (8), it is characterized in that: the upper end sleeve near striker (9) of described piston (2) is equipped with interior shearing ring (5), on the excircle of described interior shearing ring (5), slip cap is equipped with outer shearing ring (6), described interior shearing ring (5) and outer shearing ring (6) are respectively equipped with the hole of matching for installing shear pin (7), the inside wall of described cap well (10) is provided with neck bush (11).The utility model becomes originally disposable device changes little easily worn part, the reused device of agent structure, easy to usely also can reduce operating cost to greatest extent, and shear pin also easily takes out, and cap well security performance is high.
Description
Technical field
The utility model relates to petroleum exploration and development technical field, specifically refers to that one can repeat pressure drilling controller.
Background technology
In the perforating job process of Oil/gas Well, it is a kind of conventional detonation mode that depended on pressure detonates.At present, the pressure exploding perforating hole device applied in perforating oil gas well operation all adopts shear pin to fix the position of striker at priming device, when igniting operation, by applying certain pressure, shear pin is cut off, thus release striker impact detonator, and then ignition perforating gun carries out perforating job.In the prior art, described shear pin is all mounted between piston and piston bush, the number of blind hole each piston being used for install shear pin is certain, and the shear pin also bad taking-up remained in after ignition in blind hole, will increase and decrease shear pin like this and will change piston and piston bush, during replacing, operation is more loaded down with trivial details, expense is also higher; Initiator of the prior art also there will be because blasting cap detonation effect makes cap well suffer to destroy, even occur the phenomenons such as detonator shell is stuck in cap well.
Utility model content
The technical problems to be solved in the utility model overcomes above technological deficiency, provides a kind of and change the one that shear pin is more convenient, shear pin easily takes out, expense is lower, cap well security performance is high and can repeat pressure drilling controller.
For solving the problems of the technologies described above, the technical scheme that the utility model provides is: one can repeat pressure drilling controller, comprise top connection, with top connection with the use of lower contact, be arranged on the piston of top connection inside, be arranged on the striker of pistons end, shear pin, cap well is provided with in described lower contact, the end of described cap well is provided with cap well pressure cap, end sleeve near striker on described piston is equipped with interior shearing ring, on the excircle of described interior shearing ring, slip cap is equipped with outer shearing ring, described interior shearing ring and outer shearing ring are respectively equipped with the hole of matching for installing shear pin, the inside wall of described cap well is provided with neck bush.
The utility model advantage is compared with prior art: the pressure drilling controller that repeats of the present utility model becomes the disposable device of script into the little easily worn part of replacing, the reused device of agent structure, easy to usely also can reduce operating cost to greatest extent, shear pin also easily takes out, and cap well security performance is high.
As improvement, described top connection is provided with relief hole, the setting of relief hole makes to be connected inside and outside oil pipe the liquid being convenient to release in oil pipe.
As improvement, the hole on described shear pin and interior shearing ring and outer shearing ring is matched in clearance, and matched in clearance is convenient takes out shear pin from interior shearing ring and outer shearing ring.
As further improvement, the hole on described interior shearing ring and outer shearing ring is for being uniformly distributed, and the hole on interior shearing ring and outer shearing ring is uniformly distributed relatively good production and result of use is good.
As further improvement, described neck bush is flexible material, and flexible material can the impact force that produces instantaneously of reasonable buffering cap sensitive.
Accompanying drawing explanation
To be that the utility model is a kind of repeat the structural representation of pressure drilling controller before detonating to Fig. 1.
To be that the utility model is a kind of repeat the structural representation of pressure drilling controller after detonating to Fig. 2.
To be that the utility model is a kind of repeat the interior shearing ring of pressure drilling controller and the structural representation of outer shearing ring to Fig. 3.
As shown in the figure: 1, top connection, 2, piston, 3, relief hole, 4, screw, 5, interior shearing ring, 6, outer shearing ring, 7, shear pin, 8, lower contact, 9, striker, 10, cap well, 11, neck bush, 12, cap well pressure cap, 13, sealing ring one, 14, sealing ring two, 15, sealing ring three, 16, sealing ring four.
Detailed description of the invention
Below in conjunction with accompanying drawing, the utility model is described in further detail.
By reference to the accompanying drawings, one can repeat pressure drilling controller, comprise top connection 1, with top connection 1 with the use of lower contact 8, be arranged on the piston 2 of top connection 1 inside, be arranged on the striker 9 of piston 2 end, shear pin 7, cap well 10 is provided with in described lower contact 8, the end of described cap well 10 is provided with cap well pressure cap 12, end sleeve near striker 9 on described piston 2 is equipped with interior shearing ring 5, on the excircle of described interior shearing ring 5, slip cap is equipped with outer shearing ring 6, described interior shearing ring 5 and outer shearing ring 6 are respectively equipped with the hole of matching for installing shear pin 7, the inside wall of described cap well 10 is provided with neck bush 11.
Described top connection 1 is provided with relief hole 3.
Described shear pin 7 is matched in clearance with the hole on interior shearing ring 5 and outer shearing ring 6.
Hole on described interior shearing ring 5 and outer shearing ring 6 is for being uniformly distributed.
Described neck bush 11 is flexible material.
The utility model in the specific implementation, Fig. 1 is the device assembled, B place in figure is connected with oil pipe column, C place is connected with perforator, pressure A is acted on to piston 2 when suppressing from oil pipe column and passes to interior shearing ring 5, shear pin 7 and outer shearing ring 6, due to outer shearing ring 6 and the reaction force of lower contact 8, shearing force is formed at shear pin 7 place, when pressure reaches certain value, shear pin 7 is cut off, this, piston 2 drove interior shearing ring 5 and striker 9 to clash into detonating primer to the detonator in cap well 10 moment, and completed perforation by cap sensitive perforating gun.
Interior shearing ring 5 and outer shearing ring 6 between them for being slidably connected, it circumferentially also has certain gap between equally distributed through hole and shear pin 7, be convenient to the adjustment of shear pin 7 quantity like this, the shear pin of this quantity 7 damages if can not reach production requirement or interior shearing ring 5 and outer shearing ring 6, interior shearing ring 5 and outer shearing ring 6 can be changed, also can easily disconnected shear pin residual in hole be taken out after operation completes; Can be subject to huge impact at cap sensitive moment cap well, the neck bush 11 adding a flexible material in cap well has decomposed instantaneous impact force, and make not easily to be detonated damage in cap well, security performance is high; Clash into detonating primer back piston 2 effect of being stressed opened by relief hole 3 when completing, making is connected inside and outside oil pipe is convenient to the liquid of releasing in oil pipe, and Fig. 2 is the structural representation after having suppressed perforation.
Be described the utility model and embodiment thereof above, this description does not have restricted, and shown in accompanying drawing is also one of embodiment of the present utility model, and actual structure is not limited thereto.If generally speaking those of ordinary skill in the art enlightens by it, when not departing from the utility model and creating aim, design the frame mode similar to this technical scheme and embodiment without creationary, protection domain of the present utility model all should be belonged to.
Claims (5)
1. one kind can be repeated pressure drilling controller, comprise top connection (1), with top connection (1) with the use of lower contact (8), be arranged on the piston (2) that top connection (1) is inner, be arranged on the striker (9) of piston (2) end, shear pin (7), cap well (10) is provided with in described lower contact (8), the end of described cap well (10) is provided with cap well pressure cap (12), it is characterized in that: the upper end sleeve near striker (9) of described piston (2) is equipped with interior shearing ring (5), on the excircle of described interior shearing ring (5), slip cap is equipped with outer shearing ring (6), described interior shearing ring (5) and outer shearing ring (6) are respectively equipped with the hole of matching for installing shear pin (7), the inside wall of described cap well (10) is provided with neck bush (11).
2. one according to claim 1 can repeat pressure drilling controller, it is characterized in that: described top connection (1) is provided with relief hole (3).
3. one according to claim 1 can repeat pressure drilling controller, it is characterized in that: described shear pin (7) is matched in clearance with the hole on interior shearing ring (5) and outer shearing ring (6).
4. one according to claim 1 can repeat pressure drilling controller, it is characterized in that: the hole on described interior shearing ring (5) and outer shearing ring (6) is for being uniformly distributed.
5. one according to claim 1 can repeat pressure drilling controller, it is characterized in that: described neck bush (11) is flexible material.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520167973.4U CN204609850U (en) | 2015-03-24 | 2015-03-24 | One can repeat pressure drilling controller |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520167973.4U CN204609850U (en) | 2015-03-24 | 2015-03-24 | One can repeat pressure drilling controller |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204609850U true CN204609850U (en) | 2015-09-02 |
Family
ID=53962423
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520167973.4U Expired - Fee Related CN204609850U (en) | 2015-03-24 | 2015-03-24 | One can repeat pressure drilling controller |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204609850U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110778293A (en) * | 2018-07-11 | 2020-02-11 | 中石化石油工程技术服务有限公司 | Multifunctional combined hole digger |
| CN111472731A (en) * | 2020-06-03 | 2020-07-31 | 大庆金祥寓科技有限公司 | Time-delay vacuum negative pressure environment-friendly perforating device for composite perforation |
| CN114809998A (en) * | 2021-01-18 | 2022-07-29 | 中国石油天然气集团有限公司 | Pressure detonating device capable of being repeatedly used |
-
2015
- 2015-03-24 CN CN201520167973.4U patent/CN204609850U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110778293A (en) * | 2018-07-11 | 2020-02-11 | 中石化石油工程技术服务有限公司 | Multifunctional combined hole digger |
| CN111472731A (en) * | 2020-06-03 | 2020-07-31 | 大庆金祥寓科技有限公司 | Time-delay vacuum negative pressure environment-friendly perforating device for composite perforation |
| CN111472731B (en) * | 2020-06-03 | 2020-10-16 | 大庆金祥寓科技有限公司 | Time-delay vacuum negative pressure environment-friendly perforating device for composite perforation |
| CN114809998A (en) * | 2021-01-18 | 2022-07-29 | 中国石油天然气集团有限公司 | Pressure detonating device capable of being repeatedly used |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| 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: 20150902 Termination date: 20160324 |