CN205036356U - Redundant ignition control device of multistage perforation - Google Patents
Redundant ignition control device of multistage perforation Download PDFInfo
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- CN205036356U CN205036356U CN201520764185.3U CN201520764185U CN205036356U CN 205036356 U CN205036356 U CN 205036356U CN 201520764185 U CN201520764185 U CN 201520764185U CN 205036356 U CN205036356 U CN 205036356U
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Abstract
The utility model relates to a redundant ignition control device of multistage perforation draws two circuits at the rifle head of the dark instrument lower extreme in school, a line connection votage control switch, and a line connection electricity selects the switch. Every votage control switch has connect the diode, and every votage control switch is established ties until connecing bridging plug point firearm, and every electricity selects the switch to establish ties, and the top has connect resistance, every votage control switch selects the switch to connect an electric cap with every electricity, and the electric cap is through this grade of votage control switch of dipolar pipe connector. The utility model discloses there is voltage -controlled on -off control in every perforation rifle, has the electricity to select on -off control or two electric caps of diode control. In the first order perforation rifle, votage control switch percussion electric cap, or another electric cap of diode circuit percussion. In second, the tertiary perforation rifle, votage control switch percussion electric cap, or with another electric cap of electronic switch percussion. The utility model discloses simultaneously with voltage -controlled formula and the electronic type technique of igniteing many times, ignition convenient operation, improvement perforating operation reliability is suitable for the shale air to open to adopt perforating operation.
Description
Technical field
The utility model relates to Oil/gas Well cable transmission perforation technical field, is specifically related to a kind of multi-stage perforator redundancy ignition control device.
Background technology
In shale gas exploitation, due to the needs on horizontal well completion condition and fracturing reform stratum, perforating job usually adopts horizontal well cable pumping multi-stage perforator bridging plug to join the technique of work.This technique need carry out cable pumping at horizontal well, after tubing string is delivered to target zone, be first energized the bridging plug gunpowder that ignites, and sets bridging plug, form temporary plugging, then carry on to precalculated position, energising ignition first electric detonator, realizes first perforating gun perforation, then carry to next position on, energising ignition second electric detonator, realizes second perforating gun perforation, by that analogy.
At present, the mode that the multi-stage ignition technology of single-core cable is lighted a fire step by step mainly through Stress control or Electronic Control publishes igniting these two kinds different realizes.Pressure control type is lighted a fire step by step (hereinafter referred to as pressure-controlled), the pressure source of general use down-hole (or well hydraulic coupling, or detonation is impacted) as circuit switching source, diode is relied on to carry out igniting restriction, thus the repeatedly igniting realized from bottom to top, ignite multiple electric cap successively; And electronic control type publishes igniting (hereinafter referred to as electronic type), then rely on circuit design, by at each electric cap front end adjunction electronic module, can after ground communications the circuit of a certain electronic module of selective connection, then single electric cap corresponding to its rear is ignited in percussion.Two kinds of modes respectively have pluses and minuses: pressure-controlled frame for movement is comparatively complicated, and circuit design is simple, and ignition operation is convenient; The frame for movement of electronic type is simple, and circuit design is comparatively complicated, generally needs special firing panel and program, can Real-Time Monitoring record ignition process.During two kinds of technology shale gas is at home exploited, all there is use.But because the design margin of ignition control method is not enough, often occur the situation of loss of ignition, bring the rework cost of great number and complicated subsequent processing operations.
Summary of the invention
The purpose of this utility model is for the above-mentioned state of the art, aims to provide a kind of ignition operation convenient, can Real-Time Monitoring record ignition process, greatly can improve the multi-stage perforator redundancy ignition control device of perforating job reliability.
The implementation of the utility model object is, multi-stage perforator redundancy ignition control device, depth correction instrument device in level of operation pit shaft be connected in series branched perforating gun for penetrating layer of turning up the soil and the corresponding multistage igniter for carrying out control circui between setting tool successively, two parallel lines are drawn at the rifle head of depth correction instrument device lower end, article one, circuit connects votage control switch, and a circuit is for connecting electric separation switch; Each votage control switch is connected to diode; Each votage control switch series connection is until tipping bridging point firearm, and each electric separation switch is connected, and top is connected to resistance, and each Diode series is until connect single-core cable; Each votage control switch is connected an electric cap with each electric separation switch, and electric cap connects this grade of votage control switch through diode.
The utility model, at the detonating fuse two ends of often propping up perforating gun, connects two electric caps of votage control switch and electric separation switch, after upper level sets bridging plug or perforating job completes, can use pressure-controlled sparking mode electrical turning detonator, and ignite detonating fuse, detonate perforating gun; Also the sparking mode of electronic type can be used to pull the trigger another electric cap, and ignite the other end of detonating fuse, detonate perforating gun.
The utility model uses pressure-controlled with electronic type repeatedly firing technique simultaneously, ignition operation is convenient, can Real-Time Monitoring record ignition process, can greatly improve perforating job reliability, perforation failure after effectively can avoiding setting bridging plug success and the accident shut-in well that causes, ensure carrying out smoothly of subsequent job.
The utility model is applicable to the perforating job of unconventional petroleum resources, is specially adapted to the perforating job of shale gas exploitation.
Accompanying drawing explanation
Fig. 1 is the utility model pipe string structure schematic diagram,
Fig. 2 is the utility model circuit diagram.
Detailed description of the invention
The depth correction instrument device 2 of the utility model in level of operation pit shaft 13 be connected in series branched perforating gun for penetrating layer of turning up the soil and the corresponding multistage igniter for carrying out control circui between setting tool 11 successively, two parallel lines are drawn at the rifle head of depth correction instrument device lower end, article one, circuit connects votage control switch, and a circuit is for connecting electric separation switch; Each votage control switch is connected to diode; Each votage control switch series connection is until tipping bridging point firearm, and each electric separation switch is connected, and top connects oily resistance, and each Diode series is until connect single-core cable 1; Each votage control switch is connected an electric cap with each electric separation switch, and electric cap connects this grade of votage control switch through diode.
Fig. 1, Fig. 2 are the enforcement illustrations having three perforating guns and three grades of igniters.With reference to the accompanying drawings in detail the utility model is described in detail.
With reference to Fig. 1, Fig. 2, between the depth correction instrument device 2 of the utility model in level of operation pit shaft 13 and setting tool 11 successively tandem multi-stage for penetrating the perforating gun of layer of turning up the soil and three grades for carrying out the igniter of control circui.Install coil in described depth correction instrument device 2 24 and diode 14, and depth correction instrument device 2 connects single-core cable 1.The rifle head 3 of depth correction instrument device lower end draws the circuit of two tap votage control switches and electric separation switch, and votage control switch circuit is connected to resistance 15, and electric separation switching circuit connects diode 14.Diode 14 connects third level votage control switch 19, and third level votage control switch 19 is contained in third level igniter 5.Be contained in the electric cap 17 tap third level votage control switch 19 in third level perforating gun 4 and third level electronic switch 16; Diode 14 connects second level votage control switch 20, and second level votage control switch 20 is contained in second stage ignition device 7; The second level electric cap 17 be contained in second level perforating gun 6 connects second level votage control switch 20 and second level electronic switch 18 respectively; First order diode 14 connects first order votage control switch 21, and first order votage control switch 21 is contained in first order igniter 9; Be contained in two first order electric caps 17 in first order perforating gun 8, one of them tap first order votage control switch 21, another is connected with single-core cable 1 by diode 14, and first order votage control switch 21 is hinged with at bridging plug setting according to the bridging point firearm 23 in igniter head 10.
Adopt the utility model, after entering target zone under tubing string, by voltage-controlled circuit, ground leads to direct current (negative electricity) ignites bridging point firearm 23, and the pressure that bridging plug powder burning produces makes bridging plug 12 set, give up, and forms temporary plugging.The gas pressure that bridging plug gunpowder produces simultaneously enters first order votage control switch 21 through the duct of bridging plug setting tool igniter head 10, first order votage control switch 21 realizing circuit is changed, after upper lifting pipe post, ground leads to direct current (positive electricity) ignites the first order electric cap 17 that in first order perforating gun 8, first order votage control switch 19 connects, head of liquid makes second level votage control switch 20 realizing circuit change, logical negative electricity ignites the second level electric cap 17 that in second level perforating gun 6, second level votage control switch 20 connects, head of liquid makes third level votage control switch 19 realizing circuit change, the third level electric cap 17 that in logical positive electric initiation third level perforating gun 4, third level votage control switch 19 connects.If there is votage control switch irregular working, the first order electric cap 17 that diode circuit 22 connects can be ignited in first order perforating gun 8, the second level electric cap 17 that second level electronic switch 18 connects can be ignited in second level perforating gun 6, the third level electric cap 17 that third level electronic switch 16 connects can be ignited in third level perforating gun 4, once electric cap 17 is ignited, just can ignite perforating gun, thus penetrate out level of operation pit shaft 13.
That is, the utility model can use pressure-controlled ignition circuit to pull the trigger certain grade of electric cap, and ignite detonating fuse, detonate certain perforating gun; Also diode line road sparking mode or electronic type ignition circuit can be used to pull the trigger another electric cap in perforation at the same level, and ignite the other end of detonating fuse, detonate perforating gun at the corresponding levels.
Repeatedly firing technique is compatible with electronic type by pressure-controlled for the utility model, ignition operation is convenient, can Real-Time Monitoring record ignition process, can greatly improve perforating job reliability, perforation failure after effectively can avoiding setting bridging plug success and the accident shut-in well that causes, ensure carrying out smoothly of subsequent job.
The utility model is applicable to the horizontal well perforation operation of unconventional petroleum resources, is specially adapted to the perforating job of shale gas exploitation, applies 12 mouthfuls of wells, success rate 100% in shale gas field, Fuling.
Claims (1)
1. multi-stage perforator redundancy ignition control device, it is characterized in that: the depth correction instrument device in level of operation pit shaft be connected in series branched perforating gun for penetrating layer of turning up the soil and the corresponding multistage igniter for carrying out control circui between setting tool successively, two parallel lines are drawn at the rifle head of depth correction instrument device lower end, article one, circuit connects votage control switch, and a circuit is for connecting electric separation switch; Each votage control switch is connected to diode; Each votage control switch series connection is until tipping bridging point firearm, and each electric separation switch is connected, and top is connected to resistance, and each Diode series is until connect single-core cable; Each votage control switch is connected an electric cap with each electric separation switch, and electric cap connects this grade of votage control switch through diode.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520764185.3U CN205036356U (en) | 2015-09-29 | 2015-09-29 | Redundant ignition control device of multistage perforation |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520764185.3U CN205036356U (en) | 2015-09-29 | 2015-09-29 | Redundant ignition control device of multistage perforation |
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| Publication Number | Publication Date |
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| CN205036356U true CN205036356U (en) | 2016-02-17 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201520764185.3U Expired - Fee Related CN205036356U (en) | 2015-09-29 | 2015-09-29 | Redundant ignition control device of multistage perforation |
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| CN (1) | CN205036356U (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105178923A (en) * | 2015-09-29 | 2015-12-23 | 中石化石油工程技术服务有限公司 | Multi-stage perforation redundancy ignition control device |
| CN109690019A (en) * | 2016-07-27 | 2019-04-26 | 地球动力学公司 | Selection igniting on-off control system and method |
| US11047216B2 (en) | 2015-02-20 | 2021-06-29 | Geodynamics, Inc. | Select fire switch form factor system and method |
| CN113631795A (en) * | 2019-03-27 | 2021-11-09 | 狩猎巨人公司 | Solid-state dual-trigger circuit |
| US11733016B2 (en) | 2017-04-18 | 2023-08-22 | DynaEnergetics Europe GmbH | Pressure bulkhead structure with integrated selective electronic switch circuitry |
-
2015
- 2015-09-29 CN CN201520764185.3U patent/CN205036356U/en not_active Expired - Fee Related
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US11047216B2 (en) | 2015-02-20 | 2021-06-29 | Geodynamics, Inc. | Select fire switch form factor system and method |
| US11920442B2 (en) | 2015-02-20 | 2024-03-05 | Geodynamics, Inc. | Select fire switch form factor system and method |
| CN105178923A (en) * | 2015-09-29 | 2015-12-23 | 中石化石油工程技术服务有限公司 | Multi-stage perforation redundancy ignition control device |
| CN105178923B (en) * | 2015-09-29 | 2019-03-22 | 中石化石油工程技术服务有限公司 | Multi-stage perforation redundancy ignition control device |
| CN109690019A (en) * | 2016-07-27 | 2019-04-26 | 地球动力学公司 | Selection igniting on-off control system and method |
| CN109690019B (en) * | 2016-07-27 | 2020-08-04 | 地球动力学公司 | Selective ignition switch control system and method |
| US11733016B2 (en) | 2017-04-18 | 2023-08-22 | DynaEnergetics Europe GmbH | Pressure bulkhead structure with integrated selective electronic switch circuitry |
| CN113631795A (en) * | 2019-03-27 | 2021-11-09 | 狩猎巨人公司 | Solid-state dual-trigger circuit |
| CN113631795B (en) * | 2019-03-27 | 2024-02-20 | 狩猎巨人公司 | Solid-state dual trigger circuit |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C41 | Transfer of patent application or patent right or utility model | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20160824 Address after: 433123 No. 57, No. 235, Xiangyang Road, Hubei, Qianjiang Patentee after: SINOPEC OILFIELD SERVICE CORPORATION Patentee after: SINOPEC JIANGHAN PETROLEUM ENGINEERING CO., LTD. Address before: 433123 No. 57, No. 235, Xiangyang Road, Hubei, Qianjiang Patentee before: SINOPEC OILFIELD SERVICE CORPORATION Patentee before: Measurement Logging Co, Ltd. of SINOPEC Jianghan Petroleum Engineering Co., Ltd. |
|
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20160217 Termination date: 20190929 |
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| CF01 | Termination of patent right due to non-payment of annual fee |