CN209908471U - Disposable perforating operation gun string - Google Patents
Disposable perforating operation gun string Download PDFInfo
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- CN209908471U CN209908471U CN201920577890.0U CN201920577890U CN209908471U CN 209908471 U CN209908471 U CN 209908471U CN 201920577890 U CN201920577890 U CN 201920577890U CN 209908471 U CN209908471 U CN 209908471U
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- perforating gun
- joint
- perforating
- disposable
- cartridge frame
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Abstract
The utility model discloses a disposable perforation operation rifle cluster, the perforation barrel of connecting including a plurality of connects with coupling part's disposable joint, the installation is equipped with cartridge frame pipe in the single perforation barrel, the intraductal positioning disk one side department that is close to of cartridge frame is equipped with intelligent ignition control panel, connect two wiring on the corresponding detonator on the terminal at intelligence ignition control panel both ends, the intraductal perforating bullet that is equipped with of cartridge frame, be equipped with the detonating cord on the cartridge frame pipe outer wall, the detonating cord connects gradually the perforating bullet afterbody, the detonator is connected to the left end of detonating cord, it is equipped with the blind hole to correspond perforating bullet position department on the perforation barrel outer wall. The utility model overcomes prior art shortcoming effectively shortens perforating gun cluster length, reduces the construction degree of difficulty and practices thrift the cost, reduces construction cycle, and convenient operation, process are controllable, can in time obtain borehole operation feedback information, are convenient for in time judge and make the decision-making, can effectively reduce construction cost.
Description
Technical Field
The utility model relates to a perforation completion equipment technical field specifically indicates a disposable perforation operation rifle cluster.
Background
Perforated completion is one of the most widely and predominantly used completion methods in oil fields. In a perforated well, the perforation tunnels are the only passages that communicate between the formation and the wellbore. If the proper perforation process and the correct perforation design are adopted, the damage of the perforation to the stratum can be reduced, the oil storage layer can be opened accurately, and therefore the oil well can achieve the ideal productivity. Meanwhile, the construction difficulty can be reduced, the construction cost is saved, and the construction period is shortened.
At present, perforating gun strings are sequentially ignited and perforated step by step from bottom to top, and step-by-step perforation cannot be realized. Connect between rifle and the rifle in the perforating gun cluster and use used repeatedly cascade joint, connect length longer, connect and need pull down after every use clean change sealing washer just can reuse moreover.
In the prior art, if the perforating gun connected below has a problem in the perforating process, the perforating gun on the upper part cannot realize perforating, and the perforating completion condition cannot be judged on the ground after perforating.
Meanwhile, the length of the reusable cascade joint is longer, the length of a gun string is increased invisibly, the construction difficulty is increased, and gaps among layers of the perforation are increased. Because of the barrel warp after the construction, connect not good dismantlement, it is troublesome again to maintain the maintenance, and the cost of manufacture is high, and can't ensure its safety performance after the used repeatedly operation, above problem all awaits a urgent need to be solved.
SUMMERY OF THE UTILITY MODEL
The to-be-solved technical problem of the utility model is, overcome prior art shortcoming, provide a disposable perforation operation rifle cluster, rational in infrastructure, effectively shorten perforation rifle cluster length, reduce the construction degree of difficulty and practice thrift the cost, reduce construction cycle, convenient operation, process are controllable, can in time obtain borehole operation feedback information, are convenient for in time judge and make the decision-making, can effectively reduce construction cost.
In order to solve the technical problem, the utility model provides a technical scheme does: a disposable perforating operation gun string comprises a plurality of connected perforating gun barrels and a disposable joint of a connecting part, a bullet frame tube is arranged in each perforating gun barrel, an intelligent ignition control plate is arranged at one side, close to an upper positioning disc, in each bullet frame tube, binding posts at two ends of each intelligent ignition control plate are connected with two corresponding binding posts on a detonator, a perforating bullet is arranged in each bullet frame tube, the tail end of each perforating bullet is provided with a perforating bullet tail, the outer wall of each bullet frame tube is provided with a detonating cord which is sequentially connected with the perforating bullet tails, the left end of the detonating cord is connected with the detonator, the outer wall of each perforating gun barrel is provided with a blind hole at a position corresponding to the perforating bullet, the left end of each bullet frame tube is connected with the upper positioning disc through a fastening screw, the right end of each bullet frame tube is connected with a lower positioning disc through a fastening screw II, and the left side of the upper positioning disc, the right side of the lower positioning disc is provided with a clamp spring II, the clamp spring I and the clamp spring II are both clamped in clamping grooves on the inner wall of a perforating gun barrel, the left end of the perforating gun barrel is provided with left-end threads with internal threads, the right end of the disposable joint is provided with a right joint with external threads, a sealing ring I is arranged at the matching joint of the left-end threads of the perforating gun and the right joint, the right end of the perforating gun barrel is provided with right-end threads of the perforating gun with internal threads, the left end of the disposable joint is provided with a left joint with external threads, a sealing ring I is arranged at the matching joint of the right-end threads of the perforating gun and the left joint, a thread passing device is arranged in the left end of the disposable joint, the thread passing device is arranged in a stepped hole in the left joint and is clamped on the stepped hole, the left side of the thread passing device is fixed through a threaded, the left end of crossing the line ware is connected with the copper round pin structure, the right-hand member of crossing the line ware is connected with the wiring, the wiring link up the line ware and goes up positioning disk and other end and connect intelligent ignition control panel, connect the copper round pin that the disposable joint of right-hand member was gone up to the perforating gun barrel through the wire on the intelligent ignition control panel structurally, the perforating gun barrel that a plurality of is connected connects gradually fixedly through the disposable joint of a plurality of.
As an improvement, the outer wall of the upper positioning disc is provided with a positioning screw, and the positioning screw is matched and clamped with a key groove in the inner wall of the perforating gun barrel to prevent the bullet frame pipe from rotating in the perforating gun barrel.
As improvement, the first fastening screw and the second fastening screw are both a pair of screws symmetrically arranged on two sides of the periphery of the cartridge frame pipe, and the fastening effect is better.
As an improvement, the first sealing ring is arranged in a sealing ring groove close to the middle part on the right connector or the left connector, and water vapor is prevented from entering a perforating gun barrel to influence construction operation.
As an improvement, a second sealing ring is arranged between the thread passing device and the inner wall of the disposable joint, and the second sealing ring is arranged in a sealing ring groove at the left end of the thread passing device to prevent water vapor from entering a perforating gun barrel to influence construction operation.
And as an improvement, the ground wire on the intelligent ignition control board is connected and fixed on the second fastening screw.
Compared with the prior art, the utility model the advantage lie in:
1) the intelligent ignition control board connected in the perforating gun string can realize override perforation, if the following connected perforating gun has a problem, the following perforating gun can be directly skipped to complete subsequent perforation, and whether the feedback signal of perforation is completed or not can be received on the ground after perforation, so that the operation condition can be judged during construction conveniently.
2) The disposable joint for connection between the guns in the perforating gun string is short in length, the perforating gun string can be effectively shortened, and the distance between perforating layers can be reduced. Because the connector is disposable, the manufacturing cost is lower, and the connector can be directly discarded after use without maintenance.
The disposable connector for connection in the perforating gun string is short in length, so that the perforating gun string length can be effectively shortened, the construction difficulty is reduced, the cost is saved, and the construction period is shortened. According to the requirement of oil field development, the clearance between the perforation layers can be effectively controlled.
The perforating gun string uses the intelligent ignition operation panel in the operation process, is convenient to operate and controllable in process, can obtain underground operation feedback information in time, is convenient to judge in time to make a decision, and can effectively reduce the construction cost.
Drawings
Fig. 1 is a schematic diagram of the internal structure of the present invention.
Fig. 2 is a schematic view of the connection structure of the present invention in the use state.
As shown in the figure: 1. the perforating gun comprises a perforating gun barrel, 2, blind holes, 3, a bullet frame tube, 4, a fastening screw I, 5, an upper positioning disc, 6, a clamp spring I, 7, a left end thread of the perforating gun, 8, a right joint, 9, a sealing ring I, 10, a right end thread of the perforating gun, 11, a wire passing device, 12, a threaded gland, 13, a copper pin structure, 14, a sealing ring II, 15, a left joint, 16, a wiring, 17, a positioning screw, 18, a detonator, 19, an intelligent ignition control panel, 20, a perforating bullet, 21, a detonating cord, 22, a tail part of the perforating bullet, 23, a fastening screw II, 24, a clamp spring II, 25, a lower positioning disc, 26 and a disposable joint.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings.
The utility model discloses when the concrete implementation, a disposable perforation operation rifle cluster, including the disposable joint 26 of a plurality of perforation barrel 1 and coupling part of connecting, the installation is equipped with cartridge frame pipe 3 in the single perforation barrel 1, be close to upper positioning disk 5 one side department in the cartridge frame pipe 3 and be equipped with intelligent ignition control panel 19, connect two wiring on the corresponding detonator 18 on the terminal at intelligent ignition control panel 19 both ends, be equipped with perforating bullet 20 in the cartridge frame pipe 3, perforating bullet 20 sets gradually according to predetermined phase angle and hole density, the tail end of perforating bullet 20 is equipped with perforating bullet afterbody 22, be equipped with detonating cord 21 on the cartridge frame pipe 3 outer wall, detonating cord 21 connects perforating bullet afterbody 22 in proper order, detonating cord 21's left end is connected detonator 18, corresponding perforating bullet 20 position department is equipped with blind hole 2 on the perforation barrel 1 outer wall, cartridge frame pipe 3 left end connects upper positioning disk 5 through fastening screw one 4, the right end of the bullet frame tube 3 is connected with a lower positioning disc 25 through a fastening screw II 23, a clamp spring I6 is arranged on the left side of the upper positioning disc 5, a clamp spring II 24 is arranged on the right side of the lower positioning disc 25, the clamp spring I6 and the clamp spring II 24 are both clamped in clamping grooves in the inner wall of the perforating gun barrel 1, perforating gun left end threads 7 with internal threads are arranged at the left end of the perforating gun barrel 1, a right connector 8 with external threads is arranged at the right end of the disposable connector 26, a sealing ring I9 is arranged at the matching connection position of the perforating gun left end threads 7 and the right connector 8, perforating gun right end threads 10 with internal threads are arranged at the right end of the perforating gun barrel 1, a left connector 15 with external threads is arranged at the left end of the disposable connector 26, a sealing ring I9 is arranged at the matching connection position of the perforating gun right end threads 10 and the left connector 15, cross line ware 11 and set up downthehole and the right-hand member joint of crossing line ware 11 in left side connects 15 on the step hole, it is fixed through threaded gland 12 to cross the left side of line ware 11, threaded gland 12 passes through threaded connection left side and connects 15 tip, the left end of crossing line ware 11 is connected with copper pin structure 13, the right-hand member of crossing line ware 11 is connected with wiring 16, wiring 16 link up line ware 11 and last positioning disk 5 and other end connection intelligence ignition control board 19, connect on the copper pin structure 13 of right-hand member disposable joint 26 on the perforation gun barrel 1 through the wire on the intelligence ignition control board 19, the perforation gun barrel 1 that a plurality of connects gradually fixedly through a plurality of disposable joint 26.
The outer wall of the upper positioning disc 5 is provided with a positioning screw 17, the positioning screw 17 is matched and clamped with a key groove in the inner wall of the perforating gun barrel 1, the first fastening screw 4 and the second fastening screw 23 are a pair of screws symmetrically arranged on two sides of the periphery of the cartridge frame pipe 3, the first sealing ring 9 is arranged in a sealing ring groove close to the middle part of the right connector 8 or the left connector 15, a second sealing ring 14 is arranged between the inner wall of the thread passing device 11 and the inner wall of the disposable connector 26, the second sealing ring 14 is arranged in the sealing ring groove at the left end of the thread passing device 11, and a ground wire on the intelligent ignition control plate 19 is connected and fixed on the second fastening.
The utility model discloses a theory of operation: the utility model discloses in, set screw 17 prevents that carrier tube 3 from rotating in perforating gun barrel 1, jump ring 6 prevents carrier tube 3 from moving left in perforating gun barrel, jump ring two 24 prevent that carrier tube 3 from moving right in perforating gun barrel, a plurality of same specification perforating bullets 20 are equipped with on carrier tube 3, a plurality of same dimension's blind hole 2 one-to-one on a plurality of same specification perforating bullets 20 oral area and the perforating gun barrel 1, carrier tube 3 adorns perforating bullet back perforating bullet afterbody 22 and connects gradually with detonating cord 21, detonating cord 21 left end and detonator 18 connect together, ignite the detonating cord after the detonator detonates, detonating cord detonating bullet, produce high temperature high pressure gas stream after the perforating bullet explodes and shoot out from perforating cord blind hole position and pierce through the casing wall and jet into the stratum, barrel 1 of a plurality of connections connects gradually fixedly through a plurality of disposable joints 26, a connection for carry out the connection of subordinate rifle according to the construction design needs.
The present invention and the embodiments thereof have been described above, but the description is not limited thereto, and the embodiment shown in the drawings is only one of the embodiments of the present invention, and the actual structure is not limited thereto. In summary, those skilled in the art should understand that they should not be limited to the embodiments described above, and that they can design the similar structure and embodiments without departing from the spirit of the invention.
Claims (6)
1. A single-use perforating gun string comprising a plurality of connected perforating gun barrels (1) and a plurality of connected disposable subs (26), characterized in that: a cartridge frame tube (3) is arranged in the single perforating gun tube (1), an intelligent ignition control plate (19) is arranged at one side of the cartridge frame tube (3) close to the upper positioning disc (5), two connecting wires are connected to corresponding detonators (18) on binding posts at two ends of the intelligent ignition control plate (19), perforating charges (20) are arranged in the cartridge frame tube (3), perforating charge tails (22) are arranged at tail ends of the perforating charges (20), a detonating cord (21) is arranged on the outer wall of the cartridge frame tube (3), the detonating cord (21) is sequentially connected with the perforating charge tails (22), the left end of the detonating cord (21) is connected with the detonators (18), blind holes (2) are arranged at positions corresponding to the perforating charges (20) on the outer wall of the perforating gun tube (1), the left end of the cartridge frame tube (3) is connected with the upper positioning disc (5) through a first fastening screw (4), and the right end of the cartridge frame tube (3) is connected with a lower positioning disc (25) through a second fastening screw, the left side of the upper positioning disc (5) is provided with a clamp spring I (6), the right side of the lower positioning disc (25) is provided with a clamp spring II (24), the clamp spring I (6) and the clamp spring II (24) are both clamped in clamping grooves on the inner wall of the perforating gun barrel (1), the left end of the perforating gun barrel (1) is provided with a perforating gun left end thread (7) with internal threads, the right end of the disposable joint (26) is provided with a right joint (8) with external threads, a sealing ring I (9) is arranged at the matching joint of the perforating gun left end thread (7) and the right joint (8), the right end of the perforating gun barrel (1) is provided with a perforating gun right end thread (10) with internal threads, the left end of the disposable joint (26) is provided with a left joint (15) with external threads, and a sealing ring I (9) is arranged at the matching joint of the perforating gun right end thread, a thread passing device (11) is arranged in the left end of the disposable joint (26), the thread passing device (11) is arranged in a stepped hole in the left joint (15), the right end of the thread passing device (11) is clamped on the stepped hole, the left side of the thread passing device (11) is fixed through a threaded gland (12), the threaded gland (12) is connected with the end part of a left joint (15) through threads, the left end of the thread passing device (11) is connected with a copper pin structure (13), the right end of the thread passing device (11) is connected with a wiring (16), the wiring (16) penetrates through the wire passing device (11) and the upper positioning disc (5), the other end of the wiring is connected with the intelligent ignition control board (19), the intelligent ignition control board (19) is connected with a copper pin structure (13) of a disposable joint (26) at the right end of the perforating gun barrel (1) through a lead, the plurality of connected perforating gun barrels (1) are sequentially connected and fixed through a plurality of disposable joints (26).
2. A single use perforating gun string as recited in claim 1 wherein: and a positioning screw (17) is arranged on the outer wall of the upper positioning plate (5), and the positioning screw (17) is matched and clamped with a key groove on the inner wall of the perforating gun barrel (1).
3. A single use perforating gun string as recited in claim 1 wherein: the first fastening screw (4) and the second fastening screw (23) are both a pair of screws symmetrically arranged on two sides of the elastic frame pipe (3) in the circumferential direction.
4. A single use perforating gun string as recited in claim 1 wherein: and the first sealing ring (9) is arranged in a sealing ring groove close to the middle part on the right joint (8) or the left joint (15).
5. A single use perforating gun string as recited in claim 1 wherein: and a second sealing ring (14) is arranged between the inner wall of the thread passing device (11) and the inner wall of the disposable joint (26), and the second sealing ring (14) is arranged in a sealing ring groove at the left end of the thread passing device (11).
6. A single use perforating gun string as recited in claim 1 wherein: and the ground wire on the intelligent ignition control board (19) is connected and fixed on the second fastening screw (23).
Priority Applications (1)
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CN201920577890.0U CN209908471U (en) | 2019-04-25 | 2019-04-25 | Disposable perforating operation gun string |
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CN201920577890.0U CN209908471U (en) | 2019-04-25 | 2019-04-25 | Disposable perforating operation gun string |
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CN111946304A (en) * | 2020-09-21 | 2020-11-17 | 成都若克菲斯科技有限公司 | Detonating cord-free perforating gun for oil-gas well perforation |
US10844696B2 (en) | 2018-07-17 | 2020-11-24 | DynaEnergetics Europe GmbH | Positioning device for shaped charges in a perforating gun module |
US10845177B2 (en) | 2018-06-11 | 2020-11-24 | DynaEnergetics Europe GmbH | Conductive detonating cord for perforating gun |
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US10927627B2 (en) | 2019-05-14 | 2021-02-23 | DynaEnergetics Europe GmbH | Single use setting tool for actuating a tool in a wellbore |
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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 |
US11293736B2 (en) | 2015-03-18 | 2022-04-05 | DynaEnergetics Europe GmbH | Electrical connector |
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 |
CN116950615A (en) * | 2023-09-19 | 2023-10-27 | 成都若克石油技术开发有限公司 | Internal blind hole cluster type perforating gun |
USD1010758S1 (en) | 2019-02-11 | 2024-01-09 | DynaEnergetics Europe GmbH | Gun body |
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US10982941B2 (en) | 2015-03-18 | 2021-04-20 | DynaEnergetics Europe GmbH | Pivotable bulkhead assembly for crimp resistance |
US11293736B2 (en) | 2015-03-18 | 2022-04-05 | DynaEnergetics Europe GmbH | Electrical connector |
US11021923B2 (en) | 2018-04-27 | 2021-06-01 | DynaEnergetics Europe GmbH | Detonation activated wireline release tool |
US11634956B2 (en) | 2018-04-27 | 2023-04-25 | DynaEnergetics Europe GmbH | Detonation activated wireline release tool |
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US10844696B2 (en) | 2018-07-17 | 2020-11-24 | DynaEnergetics Europe GmbH | Positioning device for shaped charges in a perforating gun module |
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US10927627B2 (en) | 2019-05-14 | 2021-02-23 | DynaEnergetics Europe GmbH | Single use setting tool for actuating a tool in a wellbore |
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 |
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 |
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CN111946304A (en) * | 2020-09-21 | 2020-11-17 | 成都若克菲斯科技有限公司 | Detonating cord-free perforating gun for oil-gas well perforation |
US11753889B1 (en) | 2022-07-13 | 2023-09-12 | DynaEnergetics Europe GmbH | Gas driven wireline release tool |
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