CN211287646U - Bridge-shooting combined self-orienting horizontal well perforating gun - Google Patents
Bridge-shooting combined self-orienting horizontal well perforating gun Download PDFInfo
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- CN211287646U CN211287646U CN201922401415.0U CN201922401415U CN211287646U CN 211287646 U CN211287646 U CN 211287646U CN 201922401415 U CN201922401415 U CN 201922401415U CN 211287646 U CN211287646 U CN 211287646U
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Abstract
The utility model relates to a bridge is penetrated and is linked up from directional horizontal well perforating gun belongs to oil gas well test exploitation technical field, the utility model provides a pair of bridge is penetrated and is linked up from directional horizontal well perforating gun, include: a bi-directional pin joint; a gun body; the outermost ring of the positioning ring is fixedly provided with a bearing, and the center of the positioning ring is provided with a contact rotor; a cartridge frame; a perforating charge; the counterweight block is arranged on one side of the bullet frame; a perforating bullet detonating device; the utility model provides a bridge is penetrated and is united from directional horizontal well perforation rifle, can avoid installing the bearing on the contact pin formula connects, can realize the reuse who connects, save use cost. The internal contact pin structural design is more scientific, can be wholly changed after the explosion is destroyed, and the maintenance is simple, and the reuse nature is good. The utility model is simple in operation, safe and reliable, assembly efficiency improves greatly.
Description
Technical Field
The utility model belongs to the technical field of oil gas well test exploitation, concretely relates to bridge is penetrated and is linked up from directional horizontal well perforating gun.
Background
The bridge plug perforation combined process technology can complete two operations of bridge plug separation and perforation in one-time well descending, can improve the construction timeliness, and is suitable for multi-cluster perforation operation of layered fracturing. The perforating gun is specially used as oil and gas exploitation equipment for horizontal well with perforating by means of bridging and perforating technology. The existing bridge shooting combined horizontal well perforating gun comprises a bridge shooting combined horizontal well perforating gun body, a pin type horizontal well righting tube, a horizontal well bullet rack, a pin type horizontal well joint and the like.
The pin type horizontal well joint is provided with a pair of bearings for supporting the pin type horizontal well righting tube, and small parts such as pins are arranged inside the pin type horizontal well righting tube. The pin type horizontal well centralizing pipe and the bullet frame are connected together and rotate simultaneously, and self-directional perforation of the horizontal well is achieved.
Utility model people are realizing the utility model discloses the in-process discovers to have following defect at least among the background art:
the existing contact pin type part is small in size and complex to install, and the perforating gun is damaged after detonation. The pin type horizontal well centralizing tube and the pin type horizontal well joint are disposable, and the use cost is high.
SUMMERY OF THE UTILITY MODEL
The utility model provides a bridge is penetrated and is linked up from directional horizontal well perforating gun, aim at solves above-mentioned problem, and it is little to solve current contact pin type part size, and the installation is loaded down with trivial details, all is damaged after the perforating gun is detonating. The pin type horizontal well centralizing pipe and the pin type horizontal well joint are disposable and have high use cost.
A bridge-shooting combined self-orienting horizontal well perforating gun, comprising:
a bi-directional pin joint;
a gun body;
the outermost ring of the positioning ring is fixedly provided with a bearing, and the center of the positioning ring is provided with a contact rotor;
a cartridge frame;
a perforating charge;
the counterweight block is arranged on one side of the bullet frame;
a perforating bullet detonating device;
the perforating bullet detonating device is characterized in that the bullet frame is located in a cavity of the gun body, perforating bullets are arranged on the bullet frame, two ends of the gun body are respectively and hermetically connected with the bidirectional contact pin connectors, the positioning rings are located between the bidirectional contact pin connectors and the bullet frame, the bearing is located between the gun body and the positioning rings, the positioning rings are rotatably connected with the inner surface of the gun body through the bearing, the perforating bullet detonating device is fixedly arranged in the bullet frame, the positioning rings are electrically connected with contact pins of the bidirectional contact pin connectors through the contact rotors, and the perforating bullet detonating device is electrically connected with.
The perforating bullets are fixed on the bullet frame, the attacking directions of the perforating bullets are the same to one end of the bullet frame, and the balancing weight is arranged on the other side of the bullet frame.
The perforating bullet detonating device comprises a selective firing switch, a lead, a detonator and a detonating cord, wherein the selective firing switch is electrically connected with the contact rotor through the lead, the selective firing switch is electrically connected with the detonator, and the detonator is connected with the perforating bullet through the detonating cord.
The counterweight blocks are an inner counterweight of the bullet frame and an outer counterweight of the bullet frame, the inner counterweight of the bullet frame is fixed on the inner side of the bullet frame, and the outer counterweight of the bullet frame is fixed on the outer side of the bullet frame.
Step-shaped inner rings are arranged at two ends of the inner part of the cavity of the gun body, and the bearing is connected with the gun body through the inner rings;
the outer side of the inner ring is provided with an extension part extending towards the central axis, and the bearing is positioned between the extension part and the bidirectional pin joint;
the gun body is cylindrical.
The bearing is characterized in that the bearing is an angular contact bearing.
And the contact pin of the bidirectional contact pin connector is insulated from the gun body.
The contact rotor of the positioning ring is insulated from the gun body.
The diameter of the positioning ring is smaller than the inner diameter of the gun body.
The selective sending switch is arranged on the balancing weight.
The beneficial effects of the utility model are that, the utility model provides a bridge is penetrated and is linked up from directional horizontal well perforation rifle can avoid installing the bearing on the contact pin formula connects, can realize the reuse who connects, saves use cost. The internal contact pin structural design is more scientific, can be wholly changed after the explosion is destroyed, and the maintenance is simple, and the reuse nature is good. The utility model is simple in operation, safe and reliable, assembly efficiency improves greatly.
Drawings
Fig. 1 is the overall structure schematic diagram of the bridge-shooting combined self-orienting horizontal well perforating gun of the utility model.
Labeled as: 1. a bi-directional pin joint; 2. a gun body; 3. a positioning ring; 4. a cartridge frame; 5. a perforating charge; 6. a wire; 7. the cartridge frame is internally provided with a counterweight; 8. the outer balance weight of the bullet frame; 9. a hair selecting switch.
Detailed Description
The solution of the present invention for bridge-shooting combined self-orienting horizontal well perforating gun will be described in detail below by means of several specific embodiments.
Example 1
Referring to fig. 1, there is shown an overall structural schematic diagram of a bridge-shooting combined self-orienting horizontal well perforating gun of the present invention, which is characterized by comprising:
a bidirectional pin connector 1;
a gun body 2;
a positioning ring 3, wherein a bearing is fixedly arranged at the outermost ring of the positioning ring 3, and a contact rotor is arranged at the center of the positioning ring 3;
a cartridge frame 4;
a perforating charge 5;
the counterweight block is arranged on one side of the bullet frame 4;
a perforating bullet detonating device;
the perforating bullet detonating device is characterized in that a bullet frame 4 is located in a cavity of a gun body 2, perforating bullets 5 are arranged on the bullet frame 4, two ends of the gun body 2 are respectively and hermetically connected with a bidirectional contact pin connector 1, a positioning ring 3 is located between the bidirectional contact pin connector 1 and the bullet frame 4, a bearing is located between the gun body 2 and the positioning ring 3, the positioning ring 3 is connected with the gun body 2 through the bearing in a rotating mode, the perforating bullet detonating device is fixedly arranged in the bullet frame 4, the positioning ring 3 is electrically connected with contact pins of the bidirectional contact pin connector 1 through a contact rotor, and the perforating bullet detonating device is electrically connected with the.
In the above embodiment, body of a gun 2 is the barrel, and body of a gun 2 both ends are sealed by two-way contact pin joint 1, install bullet frame 4 in the body of a gun 2, and bullet frame 4 rotates with two-way contact pin joint 1 relatively through two holding rings 3, because the outermost circle of holding ring 3 has set firmly the bearing, consequently bullet frame 4 can be in body of a gun 2 free rotation through this bearing.
In order to enable the bidirectional pin connector 1 to electrify the perforating bullet explosion device in the bullet rack 4, a contact rotor needs to be arranged between the bidirectional pin connector 1 and the positioning ring 3, and power can still be transmitted when the bidirectional pin connector and the positioning ring rotate.
The balancing weight is established on bullet frame 4, because bullet frame 4 is the suspension type, the balancing weight can be different according to the position that sets up, and under the effect of gravity, the balancing weight can let perforating bullet 5 towards predetermined shooting position.
The bidirectional pin connector 1 in the embodiment has the main internal function of electric conduction, so that only one conducting wire or conducting rod is needed inside the bidirectional pin connector, the structure is simple, impact resistance is realized, the connector can be reused, and the use cost is saved.
Example 2
Further, please refer to fig. 1, the utility model relates to a bridge shooting combined self-orienting horizontal well perforating gun in another embodiment, perforating bullet 5 has a plurality ofly, and a plurality of perforating bullets 5 are fixed on bullet frame 4, and the direction of attack of a plurality of perforating bullets 5 is the same to bullet frame 4 one end, the balancing weight is established at the opposite side of bullet frame 4.
In the above embodiment, the plurality of perforating charges 5 may be arranged on the charge carrier 4, and the perforating charges 5 are arranged in the same direction, and the attack direction of the plurality of perforating charges 5 in the same direction is determined by the weight block through gravity behind the launching direction of the perforating charges 5, so that the perforating accuracy is higher.
Furthermore, the launching directions of the plurality of perforating charges 5 can be different, and the clump weight keeps the direction preset by the perforating charges 5 artificially set through gravity.
Example 3
Further, please refer to fig. 1, the utility model relates to a bridge shooting combined action is from another embodiment of directional horizontal well perforating gun, perforating bullet initiating device includes selection switch 9, wire 6, detonator and detonating cord, selection switch 9 through wire 6 with contact rotor electricity is connected, selection switch 9 with the detonator electricity is connected, the detonator passes through the detonating cord and is connected with perforating bullet 5.
In the above embodiment, the perforating bullet detonating device is an existing detonating system, and is composed of a selective firing switch 9, a lead 6, a detonator and a detonating cord, and the selective firing switch 9 can be sequentially detonated as required after all perforating guns are put into the well once.
Example 4
Further, please refer to fig. 1, the utility model relates to a bridge shooting combined action is from another embodiment of directional horizontal well perforating gun, the balancing weight is bullet frame internal balance weight 7 and bullet frame external balance weight 8, and bullet frame internal balance weight 7 fixes the side in bullet frame 4, and bullet frame external balance weight 8 fixes the side outside bullet frame 4.
In the above-mentioned embodiment, through the mode that adopts interior counter weight and outer counter weight, clearance in can make full use of body of a gun 2 sets up more balancing weights and makes the positioning action of bullet frame 4 stronger.
Example 5
Further, referring to fig. 1, in another embodiment of the bridge-shooting combined self-orienting horizontal well perforating gun of the present invention, step-shaped inner rings are provided at two ends of the inner cavity of the gun body 2, and the bearing is connected to the gun body 2 through the inner rings;
in the above embodiment, the gun body 2 has stepped inner rings at two ends of the inner cavity thereof, and the inner rings serve to facilitate the installation of the positioning ring 3.
Further, referring to fig. 1, in another embodiment of the bridge-shooting combined self-orienting horizontal well perforating gun of the present invention, the outer side of the inner ring has an extension portion extending toward the central axis, and the bearing is located between the extension portion and the bidirectional pin joint 1;
in the above embodiment, the outer side of the inner ring has an extension towards the central axis, and the retaining ring 3 can be suspended from this step, allowing the entire carrier 4 to be suspended within the perforating gun.
Further, referring to fig. 1, in another embodiment of the bridge-shooting combined self-orienting horizontal well perforating gun of the present invention, the gun body 2 is cylindrical.
In the above embodiment, the gun body 2 is cylindrical, and is convenient to operate in a well.
Example 6
Further, referring to fig. 1, in another embodiment of the present invention, the bearing is an angular contact bearing.
In the above embodiment, the elastic frame 4 in the present application is long and the axial force to be borne is large, so that the stability of the present application can be greatly improved by adopting the angular contact bearing.
Example 7
Further, referring to fig. 1, in another embodiment of the present invention, the two-way pin connector 1 has pins insulated from the gun body 2.
In the above embodiment, in order to ensure that the electric energy leaks, an accident occurs, and therefore, the pin of the bidirectional pin connector 1 and the gun body 2 need to be insulated.
Example 8
Further, referring to fig. 1, in another embodiment of the present invention, the contact rotor of the positioning ring 3 is insulated from the gun body 2 of the bridge-shooting combined self-orienting horizontal well perforating gun.
In the above embodiment, the contact rotor of the positioning ring 3 is insulated from the gun body 2, so that electric energy is prevented from leaking out of the contact rotor of the positioning ring 3, and the perforating bullet detonating device is smoothly detonated.
Example 9
Further, referring to fig. 1, in another embodiment of the present invention, the diameter of the positioning ring 3 is smaller than the inner diameter of the gun body 2.
In the above embodiment, the positioning ring 3 needs to be installed inside the gun body 2, and therefore the diameter of the positioning ring 3 is smaller than the inner diameter of the gun body 2.
Example 10
Further, referring to fig. 1, in another embodiment of the bridge-shooting combined self-orienting horizontal well perforating gun of the present invention, the selecting switch 9 is disposed on the weight block.
In the above embodiment, the selective switch 9 is disposed on the counterweight block to dissipate heat of the selective switch 9 in time.
It should be noted that all the directional indications (such as up, down, left, right, front, and rear … …) in the present embodiment are only used to explain the relative positional relationship between the components, the movement, and the like in a specific posture (as shown in the drawings), and if the specific posture is changed, the directional indication is changed accordingly.
In addition, descriptions related to "first", "second", and the like are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicit to the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature.
Technical solutions between various embodiments may be combined with each other, but it must be based on the realization of those skilled in the art, and when the technical solutions are contradictory or cannot be realized, the combination of the technical solutions should not be considered to exist, and is not within the protection scope of the present invention.
Claims (10)
1. The utility model provides a bridge is penetrated and is made up from directional horizontal well perforation rifle which characterized in that includes:
a bidirectional pin connector (1);
a gun body (2);
the bearing is fixedly arranged on the outermost ring of the positioning ring (3), and the contact rotor is arranged at the center of the positioning ring (3);
a cartridge frame (4);
a perforating charge (5);
the counterweight block is arranged on one side of the bullet frame (4);
a perforating bullet detonating device;
the perforating bullet detonating device is characterized in that a bullet frame (4) is located in a cavity of a gun body (2), perforating bullets (5) are arranged on the bullet frame (4), two ends of the gun body (2) are respectively and hermetically connected with a bidirectional contact pin connector (1), a positioning ring (3) is located between the bidirectional contact pin connector (1) and the bullet frame (4), a bearing is located between the gun body (2) and the positioning ring (3), the positioning ring (3) is connected with the inner surface of the gun body (2) in a rotating mode through the bearing, the perforating bullet detonating device is fixedly arranged in the bullet frame (4), the positioning ring (3) is connected with contact pins of the bidirectional contact rotor and the bidirectional contact pin connector (1) in an electric mode through the contact rotor, and the perforating bullet.
2. The bridge-shooting combined self-orienting horizontal well perforating gun as claimed in claim 1, characterized in that the perforating charges (5) are multiple, the multiple perforating charges (5) are fixed on the charge carrier (4), the attack directions of the multiple perforating charges (5) are the same to one end of the charge carrier (4), and the balancing weight is arranged on the other side of the charge carrier (4).
3. The bridge-firing combined self-orienting horizontal well perforating gun as claimed in claim 1, characterized in that the perforating bullet detonating device comprises a selector switch (9), a lead (6), a detonator and a detonating cord, wherein the selector switch (9) is electrically connected with the contact rotor through the lead (6), the selector switch (9) is electrically connected with the detonator, and the detonator is connected with the perforating bullet (5) through the detonating cord.
4. The bridge-shooting combined self-orienting horizontal well perforating gun as claimed in claim 1, characterized in that the balancing weights are a cartridge frame inner balancing weight (7) and a cartridge frame outer balancing weight (8), the cartridge frame inner balancing weight (7) is fixed on the inner side of the cartridge frame (4), and the cartridge frame outer balancing weight (8) is fixed on the outer side of the cartridge frame (4).
5. The bridge-shooting combined self-orienting horizontal well perforating gun as claimed in claim 1, characterized in that step-shaped inner rings are arranged at two ends of the inner cavity of the gun body (2), and the bearing is connected with the gun body (2) through the inner rings;
the outer side of the inner ring is provided with an extension part extending towards the central axis, and the bearing is positioned between the extension part and the bidirectional pin joint (1);
the gun body (2) is cylindrical.
6. The bridge-shooting combined self-orienting horizontal well perforating gun as claimed in any one of claims 1 to 5, characterized in that the bearing is an angular contact bearing.
7. The bridge firing combined self-orienting horizontal well perforating gun as claimed in claim 1, characterized in that the pins of the bi-directional pin connector (1) are insulated from the gun body (2).
8. The bridge-shooting combined self-orienting horizontal well perforating gun as claimed in claim 1, characterized in that the contact rotor of the positioning ring (3) is insulated from the gun body (2).
9. The bridge-shooting combined self-orienting horizontal well perforating gun as claimed in claim 1, characterized in that the diameter of the positioning ring (3) is smaller than the inner diameter of the gun body (2).
10. The bridge-firing combined self-orienting horizontal well perforating gun as recited in claim 3, wherein the selective switch (9) is provided on the weight block.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922401415.0U CN211287646U (en) | 2019-12-27 | 2019-12-27 | Bridge-shooting combined self-orienting horizontal well perforating gun |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922401415.0U CN211287646U (en) | 2019-12-27 | 2019-12-27 | Bridge-shooting combined self-orienting horizontal well perforating gun |
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| Publication Number | Publication Date |
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| CN211287646U true CN211287646U (en) | 2020-08-18 |
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| CN201922401415.0U Active CN211287646U (en) | 2019-12-27 | 2019-12-27 | Bridge-shooting combined self-orienting horizontal well perforating gun |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
| US11732556B2 (en) | 2021-03-03 | 2023-08-22 | DynaEnergetics Europe GmbH | Orienting perforation gun assembly |
-
2019
- 2019-12-27 CN CN201922401415.0U patent/CN211287646U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
| US11732556B2 (en) | 2021-03-03 | 2023-08-22 | DynaEnergetics Europe GmbH | Orienting perforation gun assembly |
| 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 |
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