CN109763796B - Novel simple and easy quick assembled clustering selection transmission perforator - Google Patents
Novel simple and easy quick assembled clustering selection transmission perforator Download PDFInfo
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- CN109763796B CN109763796B CN201910223462.2A CN201910223462A CN109763796B CN 109763796 B CN109763796 B CN 109763796B CN 201910223462 A CN201910223462 A CN 201910223462A CN 109763796 B CN109763796 B CN 109763796B
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- 230000009286 beneficial effect Effects 0.000 abstract 1
- 238000005516 engineering process Methods 0.000 description 3
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Abstract
The invention discloses a novel simple and easy quick-to-assemble clustered selective perforating tool, wherein an inner thread I (5) and an inner thread II (6) are arranged on the inner wall of the left end part of an outer gun barrel (1), an outer thread A (7) is arranged on the outer wall of the right end part of the outer gun barrel (1), the novel simple and quick-to-assemble clustered selective perforating tool further comprises a lower positioning disc assembly (8) and an upper pressure-bearing disc assembly (9), the lower positioning disc assembly (8) comprises a lower positioning disc (10) and an ignition module (11), the ignition module (11) comprises a cylinder (12) and a detonator (13), a blind hole A (14) and a blind hole B (15) are formed in the right end part of the cylinder (12), a pin base A (16) and a pin base B (17) are respectively in interference fit in the blind hole A (14) and the blind hole B (15), and a spring wire passing column (19) is slidably arranged in a small hole of a step hole (18). The beneficial effects of the invention are as follows: compact structure, reduced wiring workload, reduced field operation difficulty, simplified field assembly process, and improved safety.
Description
Technical Field
The invention relates to the technical field of clustered selective perforating gun structures, in particular to a novel clustered selective perforating gun which is easy and fast to assemble.
Background
Perforating guns are an essential device in oil exploitation. The perforating gun comprises an outer gun barrel, a bullet frame pipe and a positioning disk, wherein the bullet frame pipe is fixedly arranged in the outer gun barrel, a plurality of mounting holes are formed in the bullet frame pipe along the length direction of the bullet frame pipe, the mounting holes are spirally distributed in the bullet frame pipe, perforating bullets are all mounted in each mounting hole, a detonating cord is wound on the bullet frame pipe along the length direction of the bullet frame pipe, and each perforating bullet is connected with the detonating cord. During field operation, a worker needs to serially connect a plurality of perforating guns in sequence, and meanwhile, the connection of detonating cords in two adjacent perforating guns is ensured, so that perforating charges can be detonated. At present, to connect detonating cords in two adjacent perforating guns, workers usually need to connect the detonating cords by using wires manually, and although the detonating cords can be connected, the detonating cords increase the wiring workload and further increase the labor intensity of the workers.
In addition, when the perforating charges on the charge holder tube are to be detonated, a worker needs to use the detonator and the detonating cord, namely, the detonator needs to be contacted with the detonating cord, and the detonating requirements can be met after the detonator is lapped with the detonating cord. In the clustered selective transmission perforation system, the installation steps of the selective transmission module and the detonator access perforation system are very complicated, and the selective transmission module and the detonator can be correctly connected and assembled by generally needing to be installed by a very experienced worker. In order to solve the defect of difficult installation, the product integrates the selection and sending module on the perforation in advance, the produced perforating gun is subjected to wiring detection by a factory, the connection between the detonator and the detonating cord is simplified through the mould presetting, meanwhile, the separate design of detonator installation can be used for split transportation, the detonator can be pre-installed in advance, the work load of on-site wiring of an operation team is reduced, and the difficulty and the error rate of on-site operation are reduced.
Disclosure of Invention
The invention aims to overcome the defects of the prior art and provide a novel simple and quick-assembled clustered perforating gun which has compact structure, reduces wiring workload, reduces field operation difficulty, simplifies field assembly process and improves safety.
The aim of the invention is achieved by the following technical scheme: the utility model provides a novel simple and easy quick assembled's cluster selection firing perforator, it includes outer barrel, bullet frame pipe and perforating bullet, the bullet frame pipe sets up in outer barrel, on the bullet frame pipe and be provided with a plurality of mounting holes along its length direction, the mounting hole is the spiral and distributes on the bullet frame pipe, all installs the perforating bullet in every mounting hole, on the bullet frame pipe along its length direction winding have the detonating cord, every perforating bullet all is connected with the detonating cord, be provided with internal thread I and internal thread II on the inner wall of the left end portion of outer barrel, internal thread II is located internal thread I's right side, be provided with external thread A on the outer wall of the right-hand member portion of outer barrel, it still includes lower positioning disk subassembly and last pressure-bearing disk subassembly, lower positioning disk subassembly includes lower positioning disk and ignition module, and ignition module includes cylinder and detonator, and blind hole A and blind hole B have been seted up to the right end portion of cylinder, the blind hole A and the blind hole B are respectively in interference fit with a pin base A and a pin base B, a step hole is formed in the middle of the left end face of the cylinder, a small hole of the step hole is communicated with the blind hole A, a spring wire passing column is slidably arranged in the small hole of the step hole, an annular groove positioned in the large hole of the step hole is formed in the cylindrical surface of the spring wire passing column, a spring sleeved on the spring wire passing column is pressed between two end faces of the annular groove, one end of the spring wire passing column is pressed on the pin base A under the elasticity of the spring, the other end of the spring wire passing column penetrates through the large hole of the step hole, a mounting hole A and a mounting hole B are further formed in the right end face of the cylinder, the mounting hole A is communicated with the mounting hole B, a detonator is in interference fit in the mounting hole A, and a plurality of grooves are formed in the cylindrical surface of the cylinder along the circumferential direction of the cylinder; the lower positioning disc comprises a disc body, clamping claws and detonating cords, two through holes are formed in the end face of the disc body and are respectively in sliding fit with the contact pin base A and the contact pin base B, the detonating cords matched with the mounting holes B are further fixedly arranged on the end face of the disc body, a plurality of clamping claws which are equal to the grooves in number are arranged on the edge of the disc body and along the circumferential direction of the disc body, wedge-shaped hooks matched with the grooves are fixedly arranged at the bottoms of the clamping claws, a bulge A is fixedly arranged on the other end face of the disc body, and the through holes penetrate through the bulge A; the upper pressure-bearing disc assembly comprises a disc and a pressure-bearing wire passing column, a bulge B is fixedly arranged on the end face of the disc, an axial hole penetrating through the bulge B is formed in the middle of the disc along the axial direction of the disc, the pressure-bearing wire passing column is in interference fit in the axial hole, and an external thread B is arranged on the cylindrical surface of the disc;
the lower positioning disc assembly and the upper pressure bearing disc assembly are arranged in the outer gun barrel, the outer thread B of the upper pressure bearing disc assembly is in threaded connection with the inner thread II, one end of the spring frame pipe is sleeved on the bulge B, a locking screw is connected between the bulge B and the spring frame pipe, the other end of the spring frame pipe is sleeved on the bulge A, a locking screw is connected between the bulge A and the spring frame pipe, one end of a detonating cord in the spring frame pipe is fixedly arranged on the contact pin base A, and the other end of the detonating cord is fixedly arranged on one end face of the pressure bearing wire passing column.
The mounting holes A and the mounting holes B are arranged in parallel.
The clamping jaw and the tray body are plastic parts.
The clamping claws are uniformly distributed on the tray body.
The bulge A and the bulge B are circular, the outer diameter of the bulge is equal to the inner diameter of the spring frame pipe, the outer diameter of the bulge A is smaller than the outer diameter of the disc body, and the outer diameter of the bulge B is smaller than the outer diameter of the disc.
The spring wire passing column is a telescopic elastic contact pin.
The invention has the following advantages: the invention has compact structure, reduces wiring workload, reduces field operation difficulty, simplifies field assembly process and improves safety.
Drawings
FIG. 1 is a schematic diagram of the structure of the present invention;
FIG. 2 is a schematic view of the structure of the lower puck assembly;
FIG. 3 is a front view of FIG. 2;
FIG. 4 is a cross-sectional view A-A of FIG. 3;
FIG. 5 is a schematic view of the structure of the column;
FIG. 6 is an exploded view of the lower puck assembly;
FIG. 7 is a schematic diagram of the connection of a clustered selective emitter gun A with a clustered selective emitter gun B;
in the figure, 1-outer gun tube, 2-bullet holder tube, 3-perforating bullet, 4-detonating cord, 5-internal thread I, 6-internal thread II, 7-external thread A, 8-lower positioning disk assembly, 9-upper pressure bearing disk assembly, 10-lower positioning disk, 11-ignition module, 12-cylinder, 13-detonator, 14-blind hole A, 15-blind hole B, 16-pin base A, 17-pin base B, 18-stepped hole, 19-spring passing column, 20-spring, 21-mounting hole A, 22-mounting hole B, 23-groove, 24-disk body, 25-claw, 26-detonating cord, 27-through hole, 28-wedge hook, 29-bulge A, 30-perforating disk, 31-pressure bearing passing column, 32-bulge B, 33-external thread B, 34-locking screw, 35-cluster selector A, 36-cluster selector B.
Detailed Description
The invention is further described below with reference to the accompanying drawings, the scope of the invention not being limited to the following:
as shown in fig. 1-6, a novel simple and easy quick assembled clustering selection perforating tool comprises an outer gun barrel 1, a bullet rack pipe 2 and perforating bullets 3, wherein the bullet rack pipe 2 is arranged in the outer gun barrel 1, a plurality of mounting holes are formed in the bullet rack pipe 2 along the length direction of the bullet rack pipe 2, the mounting holes are spirally distributed in the bullet rack pipe 2, perforating bullets 3 are all mounted in each mounting hole, a detonating cord 4 is wound on the bullet rack pipe along the length direction of the bullet rack pipe, each perforating bullet 3 is connected with the detonating cord 4, an inner thread I5 and an inner thread II6 are arranged on the inner wall of the left end part of the outer gun barrel 1, the inner thread II6 is positioned on the right side of the inner thread I5, and an outer thread A7 is arranged on the outer wall of the right end part of the outer gun barrel 1.
The lower positioning disc assembly 8 comprises a lower positioning disc 10 and an ignition module 11, the ignition module 11 comprises a cylinder 12 and a detonator 13, a blind hole A14 and a blind hole B15 are formed in the right end part of the cylinder 12, a contact pin base A16 and a contact pin base B17 are respectively in interference fit in the blind hole A14 and the blind hole B15, a step hole 18 is formed in the middle of the left end surface of the cylinder 12, a small hole of the step hole 18 is communicated with the blind hole A14, a spring wire passing column 19 is slidably mounted in the small hole of the step hole 18, the spring wire passing column 19 is a telescopic elastic contact pin, an annular groove positioned in the large hole of the step hole 18 is formed in the cylindrical surface of the spring wire passing column 19, a spring 20 sleeved on the spring wire passing column 19 is propped against the contact pin base A16 under the elasticity of the spring 20, the other end of the spring wire passing column 19 penetrates through the step hole 18, a mounting hole A21 and the mounting hole B22 are also formed in the right end surface of the cylinder 12, the mounting hole A21 and the mounting hole B22 are arranged in parallel to the mounting hole 21A 12, and the mounting hole is formed in the cylindrical surface of the cylinder 12 and the mounting hole is parallel to the mounting hole 23A 12; the lower positioning disc 10 comprises a disc body 24, clamping claws 25 and detonating cords 26, wherein the clamping claws 25 and the disc body 24 are plastic parts, two through holes 27 are formed in the end face of the disc body 24, the two through holes 27 are respectively in sliding fit with a pin base A16 and a pin base B17, the detonating cords 26 matched with mounting holes B22 are fixedly arranged on the end face of the disc body 24, a plurality of clamping claws 25 with the same number as that of grooves 23 are arranged on the edge of the disc body 24 and along the circumferential direction of the disc body 24, the clamping claws 25 are uniformly distributed on the disc body 24, wedge-shaped hooks 28 matched with the grooves 23 are fixedly arranged at the bottoms of the clamping claws 25, a bulge A29 is fixedly arranged on the other end face of the disc body 24, and the through holes 27 penetrate through the bulge A29; the upper bearing disc assembly 9 comprises a disc 30 and a bearing passing column 31, a bulge B32 is fixedly arranged on the end face of the disc 30, an axial hole penetrating through the bulge B32 is formed in the middle of the disc 30 along the axial direction of the disc, the bearing passing column 31 is in interference fit in the axial hole, and an external thread B33 is arranged on the cylindrical surface of the disc 30.
The lower positioning disc assembly 8 and the upper pressure bearing disc assembly 9 are both arranged in the outer gun barrel 1, an external thread B33 of the upper pressure bearing disc assembly 9 is in threaded connection with an internal thread II6, one end of the spring frame tube 2 is sleeved on the bulge B32, a locking screw 34 is connected between the bulge B32 and the spring frame tube 2, the other end of the spring frame tube 2 is sleeved on the bulge A29, a locking screw 34 is connected between the bulge A29 and the spring frame tube 2, one end of a detonating cord 4 in the spring frame tube 2 is fixedly arranged on the contact pin base A16, and the other end of the detonating cord 4 is fixedly arranged on one end face of the pressure bearing wire passing column 31.
The bulge A29 and the bulge B32 are circular, the outer diameter of the bulge is equal to the inner diameter of the spring frame tube 2, the outer diameter of the bulge A29 is smaller than the outer diameter of the disc body 24, and the outer diameter of the bulge B32 is smaller than the outer diameter of the disc 30. Screw holes are formed in cylindrical surfaces of the protrusions A29 and the protrusions B32, and the locking screws 34 penetrate through the spring frame tube 2 and are in threaded connection with the screw holes so as to fix the spring frame tube 2 between the protrusions A29 and the protrusions B32.
The assembly steps of two clustered selective perforating guns are carried out on site as follows:
s1, assembling a clustered selective transmission perforator A35, which comprises the following steps:
s11, taking an outer gun tube 1 by a worker, operating the bulge B32 by the worker, and rotating the bulge B32 to enable an external thread B33 on the disc 30 to be in threaded connection with an internal thread II6 on the outer gun tube 1 so as to realize an upper bearing disc assembly 9;
s12, sleeving one end of the spring frame tube 2 on the bulge B32, radially penetrating the spring frame tube 2 by using a locking screw 34 and connecting the locking screw with a threaded hole on the bulge B32 in a threaded manner, so that one end of the spring frame tube 2 is fixed;
s13, assembling the lower positioning disc assembly 8: the contact pin base A16 and the contact pin base B17 on the ignition module 11 are respectively inserted into the two through holes 27 on the lower positioning disk 10 by a worker, then the worker corresponds each claw 25 to each groove 23, and enables the lower positioning disk 10 to oppositely move with the ignition module 11, as the claws 25 and the wedge hooks 28 on the claws 25 are plastic pieces, the claws 25 and the wedge hooks 28 on the claws have flexibility, the wedge hooks 28 are clamped in the grooves 23 to tightly clamp the column 12, so that the fixation of the lower disk body 24 and the column 12 is realized, at the moment, the detonating cord 26 is also inserted into the mounting hole B22, the detonating cord 26 is matched with the mounting hole B22, and the mounting hole B22 is communicated with the mounting hole A21, so that the detonating cord 26 is contacted with the detonator 13, and finally, the assembly of the lower positioning disk assembly 8 is quickly realized, namely the explosion propagation requirement is met. Therefore, compared with the traditional method that the detonator and the detonating cord are connected by workers on site, the assembly of the lower positioning disc assembly greatly reduces the labor intensity of the workers, greatly improves the connection efficiency, and does not need experienced workers to install. In addition, the detonator 13 and the detonating cord 26 are respectively arranged on the ignition module 11 and the lower positioning disk 10 and are mutually independent, so that the detonator and the detonating cord can be transported independently, the potential safety hazard of explosion during transportation is avoided, and the detonator and the detonating cord have the characteristic of higher safety;
s14, plugging the assembled lower positioning disc assembly 8 into the outer gun barrel 1, plugging the bulge A29 on the disc body 24 into the other end of the bullet rack tube 2, radially penetrating the bullet rack tube 2 by using the locking screw 34 and connecting with the threaded hole on the bulge A29 in a threaded manner, thereby fixing the lower positioning disc assembly 8, and finally completing the assembly of the clustered selection and emission perforating gun A;
s2, the assembly method of the clustered selective transmission perforator B36 is the same as that of the clustered selective transmission perforator A35, and after the clustered selective transmission perforator A35 and the clustered selective transmission perforator A35 are assembled, an external thread A7 on an outer gun barrel 1 of the clustered selective transmission perforator A35 is in threaded connection with an internal thread I5 on an outer gun barrel 1 of the clustered selective transmission perforator B36, so that the clustered selective transmission perforator A35 and the clustered selective transmission perforator B36 are connected into a whole, namely, the assembly of the two clustered selective transmission perforators is realized, and the assembly is shown in figure 7; after assembly, under the action of the spring restoring force of the spring 20, the spring wire passing column 19 penetrates through the large hole of the step hole 18 and abuts against the other end face of the pressure-bearing wire passing column 31, so that the connection of the two clustered selective perforating guns is realized, namely after the contact pin base A16 of the clustered selective perforating gun A35 is electrified, current sequentially passes through the contact pin base A16 of the clustered selective perforating gun A35, the spring wire passing column 19 of the clustered selective perforating gun A35 and the pressure-bearing wire passing column 31 of the clustered selective perforating gun B36 and finally reaches the detonating cord 4 of the clustered selective perforating gun B36, and therefore, the connection of workers by wires is not needed, the wiring workload is greatly reduced, and the labor intensity of the workers is further reduced.
The above description is only a preferred embodiment of the present invention, and is not intended to limit the present invention in any way. Many possible variations and modifications of the disclosed technology can be made by anyone skilled in the art, or equivalent embodiments with equivalent variations can be made, without departing from the scope of the disclosed technology. Therefore, any modification, equivalent variation and modification of the above embodiments according to the technology of the present invention fall within the protection scope of the present invention.
Claims (6)
1. The utility model provides a novel simple and easy quick assembly's clustering selection perforating tool, includes outer barrel (1), bullet frame pipe (2) and perforating bullet (3), bullet frame pipe (2) set up in outer barrel (1), on bullet frame pipe (2) and be provided with a plurality of mounting holes along its length direction, the mounting hole is the spiral and distributes on bullet frame pipe (2), all installs perforating bullet (3) in every mounting hole, has detonating cord (4) along its length direction winding on the bullet frame pipe, every perforating bullet (3) all are connected with detonating cord (4), its characterized in that: an inner thread I (5) and an inner thread II (6) are arranged on the inner wall of the left end part of the outer gun barrel (1), the inner thread II (6) is positioned on the right side of the inner thread I (5), an outer thread A (7) is arranged on the outer wall of the right end part of the outer gun barrel (1), the lower positioning disk assembly (8) and the upper pressure-bearing disk assembly (9) are further included, the lower positioning disk assembly (8) comprises a lower positioning disk (10) and an ignition module (11), the ignition module (11) comprises a cylinder body (12) and a detonator (13), a blind hole A (14) and a blind hole B (15) are arranged on the right end part of the cylinder body (12), a contact pin base A (16) and a contact pin base B (17) are respectively in interference fit in the blind hole A (14) and the blind hole B (15), a step hole (18) is arranged in the middle of the left end surface of the cylinder body (12), a small hole of the step hole (18) is communicated with the blind hole A (14), a spring wire column (19) is slidably arranged in the small hole of the step hole, a large hole of the spring wire column (19) is arranged on the step wire column (19), a large hole is arranged on the step hole, the step hole is arranged on the spring column (19), the step hole is arranged in the step hole (18), the step hole is pressed between the two annular grooves (19) and the spring column (20) and is pressed against one end groove (20), the other end of the spring wire passing column (19) penetrates through a large hole of the step hole (18), a mounting hole A (21) and a mounting hole B (22) are formed in the right end face of the column body (12), the mounting hole A (21) is communicated with the mounting hole B (22), a detonator (13) is in interference fit in the mounting hole A (21), and a plurality of grooves (23) are formed in the column surface of the column body (12) and along the circumferential direction of the column body (12); the lower positioning disc (10) comprises a disc body (24), clamping claws (25) and detonating cords (26), two through holes (27) are formed in the end face of the disc body (24), the two through holes (27) are respectively in sliding fit with a contact pin base A (16) and a contact pin base B (17), the detonating cords (26) matched with the mounting holes B (22) are further fixedly arranged on the end face of the disc body (24), a plurality of clamping claws (25) with the same number as the grooves (23) are arranged on the edge of the disc body (24) and along the circumferential direction of the disc body (24), wedge-shaped hooks (28) matched with the grooves (23) are fixedly arranged at the bottom of the clamping claws (25), a bulge A (29) is fixedly arranged on the other end face of the disc body (24), and the through holes (27) penetrate through the bulge A (29); the upper pressure-bearing disc assembly (9) comprises a disc (30) and a pressure-bearing wire passing column (31), a bulge B (32) is fixedly arranged on the end face of the disc (30), an axial hole penetrating through the bulge B (32) is formed in the middle of the disc (30) along the axial direction of the disc, the pressure-bearing wire passing column (31) is in interference fit in the axial hole, and an external thread B (33) is arranged on the cylindrical surface of the disc (30);
the lower positioning disc assembly (8) and the upper bearing disc assembly (9) are both arranged in the outer gun barrel (1), an external thread B (33) of the upper bearing disc assembly (9) is in threaded connection with an internal thread II (6), one end of the spring frame tube (2) is sleeved on the boss B (32), a locking screw (34) is connected between the boss B (32) and the spring frame tube (2), the other end of the spring frame tube (2) is sleeved on the boss A (29), a locking screw (34) is connected between the boss A (29) and the spring frame tube (2), one end of a detonating cord (4) in the spring frame tube (2) is fixedly arranged on the contact pin base A (16), and the other end of the detonating cord (4) is fixedly arranged on one end face of the pressure-bearing string passing column (31).
2. The novel easy and fast assembled clustered selective perforating gun of claim 1, wherein: the mounting holes A (21) and the mounting holes B (22) are arranged in parallel.
3. The novel easy and fast assembled clustered selective perforating gun of claim 1, wherein: the clamping jaw (25) and the tray body (24) are plastic parts.
4. The novel easy and fast assembled clustered selective perforating gun of claim 1, wherein: the clamping claws (25) are uniformly distributed on the tray body (24).
5. The novel easy and fast assembled clustered selective perforating gun of claim 1, wherein: the bulge A (29) and the bulge B (32) are circular, the outer diameter of the bulge is equal to the inner diameter of the spring frame pipe (2), the outer diameter of the bulge A (29) is smaller than the outer diameter of the disc body (24), and the outer diameter of the bulge B (32) is smaller than the outer diameter of the disc (30).
6. The novel easy and fast assembled clustered selective perforating gun of claim 1, wherein: the spring wire passing post (19) is a telescopic elastic contact pin.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910223462.2A CN109763796B (en) | 2019-03-22 | 2019-03-22 | Novel simple and easy quick assembled clustering selection transmission perforator |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910223462.2A CN109763796B (en) | 2019-03-22 | 2019-03-22 | Novel simple and easy quick assembled clustering selection transmission perforator |
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| Publication Number | Publication Date |
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| CN109763796A CN109763796A (en) | 2019-05-17 |
| CN109763796B true CN109763796B (en) | 2024-03-26 |
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| CN201910223462.2A Active CN109763796B (en) | 2019-03-22 | 2019-03-22 | Novel simple and easy quick assembled clustering selection transmission perforator |
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Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111322039B (en) * | 2020-04-09 | 2023-10-31 | 中国石油天然气集团有限公司 | Clustering selective-transmitting bridge perforation device and method |
| CN111794704B (en) * | 2020-08-14 | 2022-02-15 | 河北科力石油机械有限公司 | Oil field perforation is got core and is sent out ware with mechanical type selection with shock-absorbing structure |
| CN111946305A (en) * | 2020-09-21 | 2020-11-17 | 成都若克菲斯科技有限公司 | Multi-stage selective-firing perforating system for oil-gas well perforation |
| 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 |
| CN114753809A (en) * | 2022-06-16 | 2022-07-15 | 大庆华翰邦石油科技有限公司 | Shale reservoir high-pressure self-orienting clustering perforator |
| CN116658133A (en) * | 2023-07-31 | 2023-08-29 | 成都若克石油技术开发有限公司 | Rapid Assembly multistage selection transmission perforating gun suitable for shale gas exploitation |
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| CN2464936Y (en) * | 2001-02-06 | 2001-12-12 | 西安通源石油科技产业有限责任公司 | High-energy composite perforating fracturing device for oil gas well |
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| CN209724303U (en) * | 2019-03-22 | 2019-12-03 | 成都若克菲斯科技有限公司 | Perforator is published in a kind of sub-clustering of novel simple quick assembling |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CA2446888C (en) * | 2001-02-06 | 2008-06-17 | Xi'an Tongyuan Petrotech Co., Ltd. | A high-energy combined well perforating device |
| US7210524B2 (en) * | 2002-11-07 | 2007-05-01 | Baker Hughes Incorporated | Perforating gun quick connection system |
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|---|---|---|---|---|
| CN2464936Y (en) * | 2001-02-06 | 2001-12-12 | 西安通源石油科技产业有限责任公司 | High-energy composite perforating fracturing device for oil gas well |
| CN204691748U (en) * | 2015-03-20 | 2015-10-07 | 大庆金祥寓科技有限公司 | Perforating system is held in non-explosive expansion |
| CN208168857U (en) * | 2018-05-15 | 2018-11-30 | 西安瑞兰特石油设备有限公司 | Perforating gun combined type positions dish structure |
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| CN109763796A (en) | 2019-05-17 |
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