CN202731861U - Multistage detonating switch device with bridge plug sealing and perforation interacting - Google Patents
Multistage detonating switch device with bridge plug sealing and perforation interacting Download PDFInfo
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- CN202731861U CN202731861U CN 201220256301 CN201220256301U CN202731861U CN 202731861 U CN202731861 U CN 202731861U CN 201220256301 CN201220256301 CN 201220256301 CN 201220256301 U CN201220256301 U CN 201220256301U CN 202731861 U CN202731861 U CN 202731861U
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- detonating
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- bridge plug
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Abstract
The utility model discloses a multistage detonating switch device with bridge plug sealing and perforation interacting. The multistage detonating switch device with bridge plug sealing and perforation interacting is designed for providing a detonating switch which is reasonable in structure, convenient to assemble, safe and reliable, and is high in detonating success rate, and mainly comprises a cylinder-shaped upper connector, a cylinder-shaped lower connector, an insulating sleeve, a lower sleeve, an upper sleeve, a centralizer sleeve, a firing line hole of the upper sleeve, a firing line hole of the lower sleeve, a pressure transmitting baffle, a piston, an earth wire contact head, a radial lock dog and the like, wherein the upper connector and the lower connector are connected in threaded mode, the insulating sleeve is arranged in a hole on the left portion of the upper connector, the lower sleeve, the upper sleeve and the centralizer sleeve are connected on the shrinkage section on the right side of the insulation sleeve, the firing line hole of the upper sleeve and the firing line hole of the lower sleeve are connected with each other, the pressure transmitting baffle is arranged at the left end of the lower connector, the piston is contacted with the pressure transmitting baffle and penetrates through the insulating sleeve, the lower sleeve and the upper sleeve, the earth wire contact head is fixed at the right end of the insulation sleeve, and the radial lock dog is arranged on a ground connecting baffle system. The multistage detonating switch device with bridge plug sealing and perforation interacting uses an instantaneous pressure of a subordinate stage perforating gun when the gun explores through a hole, achieves disconnecting the subordinate stage perforating gun and connecting the superior perforating gun through pressure transmission, and can achieve tripping in a bridge plug sealing tool and multi-section operation of a multistage perforating gun and a grading detonating perforation once, can optimize construction procedure, reduce developing cost, and meet the operation requirements of layering perforation pressing crack and horizontal well segmentation perforation pressing crack. The multistage detonating switch device with bridge plug sealing and perforation interacting is simple in structure, convenient to assemble, safe and reliable, and high in detonating success rate.
Description
Technical field
The utility model relates to that a kind of bridging plug sets and the perforation connection is made the multistage switching device that detonates, and belongs to the perforating oil gas well technical field.
Background technology
In oilfield exploitation procedure, the demand of layering perforating and fracturing and the operation of horizontal well in segments perforating and fracturing is constantly risen, be further reducing development cost, the Optimizing construction operation, bridging plug sets and the perforation combination operation process arises at the historic moment.After cable was lowered to or waterpower pumps into bridging plug, disposable bridging plug setting tool and the multi-stage perforator rifle of being lowered to set first the bridging plug reperforation, reaches the purpose that the multi-stage perforator rifle is once gone into the well, classification detonates to finish the multistage perforating job, as shown in Figure 1.
At present, cable transmission multi-stage perforator rifle is once gone into the well in the oil field, classification detonates aspect a plurality of intervals of perforation, what adopt both at home and abroad is " electric gear change is published " classification detonation mode, but when the components and parts temperature influence in the device, performance variation is larger, falsely drop sometimes and send out or the gearshift entanglement, the lighter causes construction operation to be done over again tripping out, and severe one can cause engineering accident.
Summary of the invention
The purpose of this utility model is to provide a kind of bridging plug to set and the perforation connection is made the multistage switching device that detonates, and has characteristics rational in infrastructure, easy to assembly, safe and reliable and that the success rate of detonating is high.
Concrete technical scheme of the present utility model is as follows:
Tubular lower contact internal thread connects the tubular top connection, and lower contact is provided with left side ladder centre bore and the right side centre bore that communicates with each other, and the top connection left part is connected in the centre bore of lower contact right side.Top connection left part outer wall is provided with sealing ring, connects insulation sleeve in the top connection left hole.Insulation sleeve right side undergauge section be threaded successively lower lining, upper lining and the supporting positive cover of outer wall sealing ring is arranged, lower lining right-hand member live wire hole connects upper lining left end live wire hole.
Lower contact ladder centre bore left end is connected with the pressure transmission baffle plate of center cable aperture, and the contact of pressure transmission baffle plate right-hand member is provided with the piston of center cable aperture.Piston is comprised of the piston head that is provided with the outer wall sealing ring and piston rod, and piston head is located in the lower contact second order centre bore, and piston rod is applied in insulation sleeve, lower lining and the upper lining.
The ground wire contact head that is provided with the right-hand member radial groove is fixed in the right-hand member of insulation trepanning by jackscrew.Grounded barrier is that external screw thread is connected in the top connection right-hand member, and grounded barrier is that left end is provided with radially dead bolt.
Instantaneous pressure when the utility model utilizes subordinate's perforating gun detonation perforation in the rifle, realize to disconnect subordinate's perforating gun and connect the function of higher level's perforating gun by the pressure transmission, can realize disposable bridging plug setting tool and multi-stage perforator rifle, the classification perforation multistage operation of detonating that is lowered to, energy Optimizing construction operation, reducing development cost satisfies the requirement of layering perforating and fracturing and the operation of horizontal well in segments perforating and fracturing.The utlity model has characteristics simple in structure, easy to assembly, safe and reliable and that the success rate of detonating is high.
Description of drawings
Fig. 1 is that bridging plug perforation connection is made multistage detonator string structure schematic diagram.
Fig. 2 is that bridging plug sets and the perforation connection is made the multistage switching device structural representation that detonates.
The specific embodiment
With reference to Fig. 2 embodiment of the present utility model is further specified:
Embodiment:
Tubular lower contact 2 internal threads connect tubular top connection 6, and lower contact 2 is provided with left side ladder centre bore and the right side centre bore that communicates with each other, and top connection 6 left parts are connected in the lower contact 2 right side centre bores.Top connection 6 left part outer walls are provided with sealing ring 7, connect insulation sleeve 5 in top connection 6 left holes.Insulation sleeve 5 right side undergauge sections be threaded successively lower lining 8, upper lining 9 and the supporting positive cover 10 of outer wall sealing ring is arranged, lower lining 8 right-hand member live wire holes connect upper lining 9 left end live wire holes.
The ground wire contact head 12 that is provided with the end radial groove is fixed in the right-hand member in insulation sleeve 5 holes by jackscrew 11.Grounded barrier is that 14 external screw threads are connected in top connection 6 right-hand members, and grounded barrier is that 14 left ends are provided with radially dead bolt 13.
Operating principle of the present utility model is as follows:
As shown in Figure 2, bridging plug sets and perforation connection when making multi-stage perforator power tool string and going into the well, safe Magnedat live wire in the multi-stage perforator rifle all is in connected state, the ground wire of safe Magnedat is connected in the first order perforating gun, and the safe Magnedat ground wire in all the other perforating guns at different levels is in off-state.When needing first order perforation after bridging plug sets, ground perforation instrument is connected live wire and the ground wire perforation of just can lighting a fire.Instantaneous pressure during perforating gun detonation perforation in the rifle is applied on the pressure transmission baffle plate 1 of first multistage switching device that detonates again, pushing piston 4, upper lining 9, supporting positive cover 10 and ground wire contact head 12 move right, lining 9 and lower lining 8 are broken away from, finish and disconnect first order perforating gun live wire, and ground wire contact head 12 moves right to dead bolt 13 radially and snaps in its end radial groove, finish and connect second level perforating gun ground wire, the fire of the safe Magnedat of second level perforating gun, ground wire are all connected.When needing second level perforation, ground perforation instrument connection live wire and ground wire just can be lighted a fire and be finished perforation.By that analogy the same, just can finish the multistage perforating job of detonating of back.
Claims (1)
1. a bridging plug sets and the perforation connection is made the multistage switching device that detonates, and it is characterized in that:
Tubular lower contact (2) internal thread connects tubular top connection (6), and lower contact (2) is provided with left side ladder centre bore and the right side centre bore that communicates with each other, and top connection (6) left part is connected in the centre bore of lower contact (2) right side; Top connection (6) left part outer wall is provided with sealing ring 7, connects insulation sleeve (5) in top connection (6) left hole; Insulation sleeve (5) right side undergauge section be threaded successively lower lining (8), upper lining (9) and the supporting positive cover (10) of outer wall sealing ring is arranged, lower lining (8) right-hand member live wire hole connects upper lining 9 left end live wire holes;
Lower contact (2) ladder centre bore left end is connected with the pressure transmission baffle plate (1) of center cable aperture, and the contact of pressure transmission baffle plate (1) right-hand member is provided with the piston (4) of center cable aperture; Piston (4) is comprised of the piston head and the piston rod that are provided with outer wall sealing ring (3), and piston head is located in lower contact (2) the second order centre bore, and piston rod is applied in insulation sleeve (5), lower lining (8) and the upper lining (9);
The ground wire contact head (12) that is provided with the end radial groove is fixed in the right-hand member in insulation sleeve (5) hole by jackscrew (11); Grounded barrier system (14) external screw thread is connected in top connection (6) right-hand member, and grounded barrier system (14) left end is provided with radially dead bolt (13).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220256301 CN202731861U (en) | 2012-06-01 | 2012-06-01 | Multistage detonating switch device with bridge plug sealing and perforation interacting |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220256301 CN202731861U (en) | 2012-06-01 | 2012-06-01 | Multistage detonating switch device with bridge plug sealing and perforation interacting |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202731861U true CN202731861U (en) | 2013-02-13 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220256301 Expired - Fee Related CN202731861U (en) | 2012-06-01 | 2012-06-01 | Multistage detonating switch device with bridge plug sealing and perforation interacting |
Country Status (1)
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| CN (1) | CN202731861U (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104847316A (en) * | 2015-04-14 | 2015-08-19 | 川南航天能源科技有限公司 | Bridge plug gunpowder driving type multilevel gun perforation method |
| CN105507849A (en) * | 2015-12-31 | 2016-04-20 | 中国石油天然气股份有限公司 | Self-removal bridge plug for fracturing |
| CN106499361A (en) * | 2016-12-13 | 2017-03-15 | 中国石油集团西部钻探工程有限公司 | Electric-controlled hydraulic automatic setting bridging device |
| CN112761593A (en) * | 2021-02-01 | 2021-05-07 | 大庆油田有限责任公司 | Intelligent pressure control perforation and bridge plug combined operation device and method |
| 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 |
-
2012
- 2012-06-01 CN CN 201220256301 patent/CN202731861U/en not_active Expired - Fee Related
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104847316A (en) * | 2015-04-14 | 2015-08-19 | 川南航天能源科技有限公司 | Bridge plug gunpowder driving type multilevel gun perforation method |
| CN104847316B (en) * | 2015-04-14 | 2018-07-20 | 川南航天能源科技有限公司 | The driving multi-stage perforator method of bridge plug gunpowder |
| CN105507849A (en) * | 2015-12-31 | 2016-04-20 | 中国石油天然气股份有限公司 | Self-removal bridge plug for fracturing |
| CN106499361A (en) * | 2016-12-13 | 2017-03-15 | 中国石油集团西部钻探工程有限公司 | Electric-controlled hydraulic automatic setting bridging device |
| CN106499361B (en) * | 2016-12-13 | 2023-03-14 | 中国石油天然气集团有限公司 | Electric control hydraulic automatic setting bridge plug device |
| 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 |
| CN112761593A (en) * | 2021-02-01 | 2021-05-07 | 大庆油田有限责任公司 | Intelligent pressure control perforation and bridge plug combined operation device and method |
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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 |
Granted publication date: 20130213 Termination date: 20210601 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |