CN103485750A - Intermediate connector device for multistage ignition perforating - Google Patents
Intermediate connector device for multistage ignition perforating Download PDFInfo
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- CN103485750A CN103485750A CN201310426734.1A CN201310426734A CN103485750A CN 103485750 A CN103485750 A CN 103485750A CN 201310426734 A CN201310426734 A CN 201310426734A CN 103485750 A CN103485750 A CN 103485750A
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- joint
- perforating gun
- perforation
- intermediate connector
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Abstract
The invention discloses an intermediate connector device for multistage ignition perforating. The intermediate connector device comprises an interstage isolator and a side junction device connected with the same. The interstage isolator comprises an intermediate connector, an isolating spindle and a gland. One end of the intermediate connector is used for being connected to an upper-stage perforating gun, and the other end of the intermediate connector is used for being connected to the side junction device. The intermediate connector is provided with a through stepped hole. The isolating spindle is disposed inside the stepped hole. The intermediate connector is provided with an inner threaded hole fitting the gland. The gland and the inner threaded hole fit so that the isolating spindle is pressed to a step of the stepped hole. The intermediate connector device has the advantages that signals of detection, ignition and the like can be transmitted among the multiple stages of ignition perforation; after the previous stage of ignition and initiating perforation, subsequent tools and devices to be used for ignition perforation are isolated and sealed; the problem that the common perforating gun connector is unable to meet the junction requirements is overcome, and the sealing requirements of descent strings can be met.
Description
Technical field
The present invention relates to a kind ofly be applicable to disposable the going into the well of cable perforation pipe string and implement the multi-stage ignition perforation intermediate joint device in repeatedly perforating job.
Background technology
The cable perforation operation perforation of repeatedly lighting a fire of often need to once going into the well, the commonly used ignition system of once going into the well repeatedly adopts and publishes controll block and published IGNITION CONTROL at present, and publishing controll block for every grade has 5 connecting lines to need to connect.
Publication number is CN2511790, and the Chinese patent literature that open day is on September 18th, 2002 discloses a kind of Isolative booster device for intermediate gun perforator of installing and using on the sandwiched perforating gun used in the oil gas well mining process.The structure of this patent is by joint, propagation of explosion installation composition between rifle; The propagation of explosion device is installed in the cavity of joint between rifle, and the top and bottom of propagation of explosion device are connected with the detonating fuse in interlayer gun with perforating gun respectively.After this invention can make the perforating gun detonation on sandwiched perforating gun, the liquid in stratum or Oil/gas Well can't enter in the interlayer gun cavity, can be to environment while reusing interlayer gun; Secondly, when the propagation of explosion appearance is disconnected quick-fried, in well, liquid can't enter in the interlayer gun cavity, and insurance money belongs to the later perforating gun of dividing plate and interlayer gun also can be reused.
But the prior art that the above-mentioned patent documentation of take is representative, can not meet the perforation of repeatedly lighting a fire at different levels between the transmission requirement of the signals such as detection, igniting, can not solve the technical barriers such as the isolation before and after igniting of perforation equipment at different levels and instrument and sealing.
Simultaneously, publication number is CN201209435, and the Chinese patent literature that open day is on March 18th, 2009 discloses a kind of intermediate joint of perforation gun.Mainly the existing transition joint perforation of solution blind area is large, manufacturing cost is high, the propagation of explosion rate low and baroque problem.Its scheme is: between upper and lower body of perforating gun, be connected with adapter body, the adapter body upper and lower side is connected with respectively lower firing mount dish and upper firing mount dish, on lower firing mount dish lower end, the body of perforating gun step hole is built-in with the tension dish, reach on upper firing mount dish and be connected with respectively lower centralizer body and upper centralizer body under lower firing mount dish in the adapter body hole, lower centralizer body is fixed with respectively detonating primer with in the corresponding stomidium of upper centralizer body by jackscrew, and detonating primer is built-in with detonating fuse.This intermediate joint of perforation gun has that the perforation blind area is little, low cost of manufacture, propagation of explosion rate characteristics high and simple in structure.
But the existing common perforating gun joint that the above-mentioned patent documentation of take is representative can't meet the requirement of the perforation wiring of repeatedly lighting a fire.
Summary of the invention
The present invention is intended to for the existing defect of above-mentioned prior art or deficiency, a kind of multi-stage ignition perforation intermediate joint device is provided, the present invention can realize the multi-stage ignition perforation at different levels between the transmission of the signal such as detection, igniting, and instrument and the equipment to follow-up perforation to be lighted a fire isolated and sealed after previous stage ignition and detonation perforation; Simultaneously, adopt the present invention, overcome the restriction that common perforating gun joint can't meet the wiring requirement, and can meet the seal request of the pipe string of going into the well.
The present invention is by adopting following technical proposals to realize:
Multi-stage ignition perforation intermediate joint device is characterized in that: comprise that grade Time Isolation Unit opens termination with the side be connected with the level Time Isolation Unit;
Described level Time Isolation Unit comprises transition joint, isolation mandrel and pressure cap, wherein, one end of transition joint is for being connected with higher level's perforating gun, the other end of transition joint is connected for side, opening termination, has the shoulder hole of perforation in transition joint, and described isolation mandrel is arranged in shoulder hole, have the internal thread hole coordinated with pressure cap in described transition joint, pressure cap coordinates with internal thread hole the isolated core axial compression on the ladder of described shoulder hole; Along pressure cap and isolation mandrel axially on all have the through hole passed for perforating gun heatproof cable;
Described side is opened termination and is comprised the other joint of opening, the end that joint is driven on side is connected with higher level's perforating gun, the other end that joint is driven on side is connected with the level Time Isolation Unit, open on joint on described side and have for holding the mesopore of multi-stage ignition controller and cable, open on described side on the wall of joint and have the other perforate be communicated with mesopore, the cover plate of the other perforate of sealing is arranged in the arranged outside of described other perforate;
Described multi-stage ignition controller is provided with five road connection lines, and the first via is higher level's perforating gun heatproof cable of input, and the second tunnel is for exporting subordinate's perforating gun heatproof cable to, and Third Road He tetra-tunnels are for connecting detonator ， five tunnels for ground connection.
Be provided with O-ring seals between transition joint and isolation mandrel.
Described cover plate is seal cover board, and the structure of seal cover board is: at contacted position, the end of cover plate and other perforate, be provided with seal washer.
Described multi-stage ignition controller is provided with five road connection lines, and the first via is higher level's perforating gun heatproof cable of input, and the second tunnel is for exporting subordinate's perforating gun heatproof cable to, and Third Road He tetra-tunnels are for connecting detonator ， five tunnels for ground connection.
Compared with prior art, beneficial effect of the present invention shows:
1, in the present invention, adopt an end of transition joint for being connected with higher level's perforating gun, the other end of transition joint is for being connected with the subordinate perforating gun, simultaneously, pressure cap and isolation mandrel axially on all have the through hole passed for perforating gun heatproof cable, and have the shoulder hole of perforation in transition joint, heatproof cable that so just can the multi-stage perforator rifle is used passes from through hole and shoulder hole, realized the multi-stage ignition perforation at different levels between the transmission of the signal such as detection, igniting.
2, in the present invention, have the shoulder hole of perforation in transition joint, the isolation mandrel is arranged in shoulder hole, have the internal thread hole coordinated with pressure cap in described transition joint, pressure cap coordinates with internal thread hole the isolated core axial compression on the ladder of described shoulder hole, so just can make to keep apart through the isolation mandrel between the upper and lower two-stage perforating gun at transition joint two ends, solve the technical problem of perforation equipment at different levels and the instrument isolation before and after igniting.
3, in the present invention, between transition joint and isolation mandrel, be provided with O-ring seals, like this, under the prerequisite at itself by the isolation of isolation mandrel, adopt the form of structure of sealing ring, its isolation and sealing effectiveness are just better.
4, in the present invention, adopt " open on joint on side and have for holding the mesopore of multi-stage ignition controller and cable; open on described side on the wall of joint and have the other perforate is communicated with mesopore; the arranged outside of described other perforate have seal by the cover plate of perforate " such frame mode, repeatedly the connection line of ignition controller takes out from other perforate, connected by other perforate and put into the other joint of opening, then seal cover board has been screwed in other perforate, and tightened.Thereby overcome the restriction that common perforating gun joint can't meet the wiring requirement, realized that the circuit of multi-stage ignition perforation between at different levels reliably connects at other tapping.
5, in the present invention, adopt the form of structure of " at contacted position, the end of cover plate and other perforate, being provided with seal washer ", its sealing effectiveness is better, can meet the seal request of the pipe string of going into the well.
6, the present invention can connect the perforating gun of Multiple Type, has solved the difficult problem that common perforating gun joint can't meet the perforation wiring requirement of repeatedly lighting a fire.
The accompanying drawing explanation
Below in conjunction with specification drawings and specific embodiments, the present invention is described in further detail, wherein:
Fig. 1 is level Time Isolation Unit structural representation;
The structural representation that Fig. 2 is pressure cap;
The left view that Fig. 3 is Fig. 2;
Fig. 4 is the other structural representation of opening termination.
Mark in figure:
1, perforating gun heatproof cable, 2, pressure cap, 3, the isolation mandrel, 4, transition joint, 5, through hole, 11, side drives joint, 12, other perforate, 13, seal cover board, 14, the multi-stage ignition controller.
The specific embodiment
With reference to Figure of description 1-4, preferred forms of the present invention is: comprise that grade Time Isolation Unit opens termination with the side be connected with the level Time Isolation Unit;
The level Time Isolation Unit comprises transition joint 4, isolation mandrel 3 and pressure cap 2, wherein, one end of transition joint 4, for being connected with higher level's perforating gun, is left end in the drawings, and the other end of transition joint 4 is connected for side, opening termination, be in the drawings right-hand member, these two ends all are processed with external screw thread.Have the shoulder hole of perforation in transition joint 4, have four shoulder holes from the left end to the right-hand member.Have internal thread on the inwall of first order shoulder hole, isolation mandrel 3 is arranged in second level shoulder hole, have the internal thread hole coordinated with pressure cap 2 in described transition joint 4, internal thread hole is first order shoulder hole, pressure cap 2 coordinates with internal thread hole will isolate mandrel 3 and be pressed on the ladder of described shoulder hole, on the ladder formed at third level shoulder hole and second level shoulder hole; Along pressure cap 2 and isolation mandrel 3 axially on all have the through hole 5 passed for perforating gun heatproof cable 1, so just can make to keep apart through isolation mandrel 3 between the upper and lower two-stage perforating gun at transition joint 4 two ends, solve the technical problem of perforation equipment at different levels and the instrument isolation before and after igniting.Be provided with O-ring seals between transition joint 4 and isolation mandrel 3.Like this, under the prerequisite at itself by 3 isolation of isolation mandrel, adopt the form of structure of sealing ring, its isolation and sealing effectiveness are just better.
Side is opened termination and is comprised and other drive joint 11, and the end that joint 11 is driven on side is connected with higher level's perforating gun, is left end in the drawings, is external screw thread, and the other end that joint 11 is driven on side is connected with a grade Time Isolation Unit, is right-hand member in the drawings, is internal thread.
Open on joint 11 on described side and have for holding the mesopore of multi-stage ignition controller 14 and cable, this mesopore is to run through other the axial of joint 11 of opening.Open on described side on the wall of joint 11 and have the other perforate 12 be communicated with mesopore, usually, other perforate 12 only open one just passable, the cover plate of the other perforate 12 of sealing is arranged in the arranged outside of described other perforate 12.Specifically add man-hour, the aperture of other perforate 12 is less than the aperture of cover plate, and seal washer is set, better effects if at the contacted position, end of cover plate and other perforate 12, seal cover board 13 is driven joint 11 with side and can be threaded, as long as seal cover board 13 is blocked other perforate 12 just passable.Described multi-stage ignition controller 14 is provided with five road connection lines, and the first via is that higher level's perforating gun of input is that Third Road He tetra-tunnels are for connecting detonator ， five tunnels for ground connection for exporting heatproof cable 1 for subordinate's perforating gun to heatproof cable 1, the second tunnel.
Claims (3)
1. multi-stage ignition perforation intermediate joint device is characterized in that: comprise that grade Time Isolation Unit opens termination with the side be connected with the level Time Isolation Unit;
Described level Time Isolation Unit comprises transition joint (4), isolation mandrel (3) and pressure cap (2), wherein, one end of transition joint (4) is for being connected with higher level's perforating gun, the other end of transition joint (4) is connected for side, opening termination, have the shoulder hole of perforation in transition joint (4), described isolation mandrel (3) is arranged in shoulder hole, have the internal thread hole coordinated with pressure cap (2) in described transition joint (4), pressure cap (2) coordinates with internal thread hole will isolate mandrel (3) and be pressed on the ladder of described shoulder hole; Along pressure cap (2) and isolation mandrel (3) axially on all have the through hole (5) passed for perforating gun heatproof cable (1);
Described side is opened termination and is comprised the other joint (11) of opening, the end that joint (11) is driven on side is connected with higher level's perforating gun, the other end that joint (11) is driven on side is connected with the level Time Isolation Unit, open on joint (11) on described side and have for holding the mesopore of multi-stage ignition controller (14) and cable, open on described side on the wall of joint (11) and have the other perforate (12) be communicated with mesopore, the cover plate of the other perforate of sealing (12) is arranged in the arranged outside of described other perforate (12);
Described multi-stage ignition controller (14) is provided with five road connection lines, and the first via is higher level's perforating gun heatproof cable of input, and the second tunnel is for exporting subordinate's perforating gun heatproof cable to, and Third Road He tetra-tunnels are for connecting detonator ， five tunnels for ground connection.
2. multi-stage ignition perforation intermediate joint device according to claim 1, is characterized in that: between transition joint (4) and isolation mandrel (3), be provided with O-ring seals.
3. multi-stage ignition perforation intermediate joint device according to claim 1 and 2, it is characterized in that: described cover plate is seal cover board (13), and the structure of seal cover board (13) is: the contacted position, end in cover plate and other perforate (12) is provided with seal washer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310426734.1A CN103485750A (en) | 2013-09-18 | 2013-09-18 | Intermediate connector device for multistage ignition perforating |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310426734.1A CN103485750A (en) | 2013-09-18 | 2013-09-18 | Intermediate connector device for multistage ignition perforating |
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| CN103485750A true CN103485750A (en) | 2014-01-01 |
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| CN201310426734.1A Pending CN103485750A (en) | 2013-09-18 | 2013-09-18 | Intermediate connector device for multistage ignition perforating |
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Cited By (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US10845177B2 (en) | 2018-06-11 | 2020-11-24 | DynaEnergetics Europe GmbH | Conductive detonating cord for perforating gun |
| US10844696B2 (en) | 2018-07-17 | 2020-11-24 | DynaEnergetics Europe GmbH | Positioning device for shaped charges in a perforating gun module |
| USD904475S1 (en) | 2020-04-29 | 2020-12-08 | DynaEnergetics Europe GmbH | Tandem sub |
| USD908754S1 (en) | 2020-04-30 | 2021-01-26 | DynaEnergetics Europe GmbH | Tandem sub |
| US10927627B2 (en) | 2019-05-14 | 2021-02-23 | DynaEnergetics Europe GmbH | Single use setting tool for actuating a tool in a wellbore |
| USD921858S1 (en) | 2019-02-11 | 2021-06-08 | DynaEnergetics Europe GmbH | Perforating gun and alignment assembly |
| US11225848B2 (en) | 2020-03-20 | 2022-01-18 | DynaEnergetics Europe GmbH | Tandem seal adapter, adapter assembly with tandem seal adapter, and wellbore tool string with adapter assembly |
| US11255147B2 (en) | 2019-05-14 | 2022-02-22 | DynaEnergetics Europe GmbH | Single use setting tool for actuating a tool in a wellbore |
| US11578549B2 (en) | 2019-05-14 | 2023-02-14 | DynaEnergetics Europe GmbH | Single use setting tool for actuating a tool in a wellbore |
| US11753889B1 (en) | 2022-07-13 | 2023-09-12 | DynaEnergetics Europe GmbH | Gas driven wireline release tool |
| USD1010758S1 (en) | 2019-02-11 | 2024-01-09 | DynaEnergetics Europe GmbH | Gun body |
| USD1019709S1 (en) | 2019-02-11 | 2024-03-26 | DynaEnergetics Europe GmbH | Charge holder |
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| US20130126237A1 (en) * | 2011-11-22 | 2013-05-23 | International Strategic Alliance, Lc | Pass-through Bulkhead Connection Switch for a Perforating Gun |
| CN203050649U (en) * | 2012-12-28 | 2013-07-10 | 西安通源石油科技股份有限公司 | Middle connector of horizontal well perforating guns |
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2013
- 2013-09-18 CN CN201310426734.1A patent/CN103485750A/en active Pending
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| US3923107A (en) * | 1974-12-14 | 1975-12-02 | Schlumberger Technology Corp | Well bore perforating apparatus |
| CN201588610U (en) * | 2010-01-05 | 2010-09-22 | 中国石油化工集团公司 | Single-joint oil pipe transportation perforating gun |
| US20130126237A1 (en) * | 2011-11-22 | 2013-05-23 | International Strategic Alliance, Lc | Pass-through Bulkhead Connection Switch for a Perforating Gun |
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Cited By (23)
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|---|---|---|---|---|
| US11385036B2 (en) | 2018-06-11 | 2022-07-12 | DynaEnergetics Europe GmbH | Conductive detonating cord for perforating gun |
| US12044108B2 (en) | 2018-06-11 | 2024-07-23 | DynaEnergetics Europe GmbH | Perforating gun with conductive detonating cord |
| US10845177B2 (en) | 2018-06-11 | 2020-11-24 | DynaEnergetics Europe GmbH | Conductive detonating cord for perforating gun |
| US10844696B2 (en) | 2018-07-17 | 2020-11-24 | DynaEnergetics Europe GmbH | Positioning device for shaped charges in a perforating gun module |
| US10920543B2 (en) | 2018-07-17 | 2021-02-16 | DynaEnergetics Europe GmbH | Single charge perforating gun |
| US11773698B2 (en) | 2018-07-17 | 2023-10-03 | DynaEnergetics Europe GmbH | Shaped charge holder and perforating gun |
| US11525344B2 (en) | 2018-07-17 | 2022-12-13 | DynaEnergetics Europe GmbH | Perforating gun module with monolithic shaped charge positioning device |
| US11339632B2 (en) | 2018-07-17 | 2022-05-24 | DynaEnergetics Europe GmbH | Unibody gun housing, tool string incorporating same, and method of assembly |
| USD1019709S1 (en) | 2019-02-11 | 2024-03-26 | DynaEnergetics Europe GmbH | Charge holder |
| USD1010758S1 (en) | 2019-02-11 | 2024-01-09 | DynaEnergetics Europe GmbH | Gun body |
| USD921858S1 (en) | 2019-02-11 | 2021-06-08 | DynaEnergetics Europe GmbH | Perforating gun and alignment assembly |
| USD935574S1 (en) | 2019-02-11 | 2021-11-09 | DynaEnergetics Europe GmbH | Inner retention ring |
| US11255147B2 (en) | 2019-05-14 | 2022-02-22 | DynaEnergetics Europe GmbH | Single use setting tool for actuating a tool in a wellbore |
| US11578549B2 (en) | 2019-05-14 | 2023-02-14 | DynaEnergetics Europe GmbH | Single use setting tool for actuating a tool in a wellbore |
| US10927627B2 (en) | 2019-05-14 | 2021-02-23 | DynaEnergetics Europe GmbH | Single use setting tool for actuating a tool in a wellbore |
| US11225848B2 (en) | 2020-03-20 | 2022-01-18 | DynaEnergetics Europe GmbH | Tandem seal adapter, adapter assembly with tandem seal adapter, and wellbore tool string with adapter assembly |
| US11814915B2 (en) | 2020-03-20 | 2023-11-14 | DynaEnergetics Europe GmbH | Adapter assembly for use with a wellbore tool string |
| USD1041608S1 (en) | 2020-03-20 | 2024-09-10 | DynaEnergetics Europe GmbH | Outer connector |
| USD904475S1 (en) | 2020-04-29 | 2020-12-08 | DynaEnergetics Europe GmbH | Tandem sub |
| USD920402S1 (en) | 2020-04-30 | 2021-05-25 | DynaEnergetics Europe GmbH | Tandem sub |
| USD908754S1 (en) | 2020-04-30 | 2021-01-26 | DynaEnergetics Europe GmbH | Tandem sub |
| US11753889B1 (en) | 2022-07-13 | 2023-09-12 | DynaEnergetics Europe GmbH | Gas driven wireline release tool |
| US12065896B2 (en) | 2022-07-13 | 2024-08-20 | DynaEnergetics Europe GmbH | Gas driven wireline release tool |
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Application publication date: 20140101 |