CN218092998U - Selective-transmission module igniter connector for cable grading perforation - Google Patents

Abstract

The utility model discloses a cable is selection module point firearm joint for hierarchical perforation relates to oil gas well perforation technical field, and this point firearm joint includes joint body and selection module, the inside selection module that has of joint body, selection module central part have a supporting seat and selection module installs on the supporting seat, the inside of joint body has the keyway, the supporting seat is installed in the keyway and is linked to each other with joint body inner wall through first spacing pressure cap, still has two point contact formula conductive component who installs respectively at the supporting seat both ends in the selection module; the two point-contact conductive components are connected with the selective sending module through ignition wires; the point contact conductive assembly is capable of elastically flexing and electrically connecting with a point contact conductive assembly in the igniter lead. The utility model discloses a reliable connection that connects has improved on-the-spot assembly efficiency, possesses stable contact, reliable connection, high-efficient assembly and simple and convenient practical effect.

Description

Selective-transmission module igniter connector for cable grading perforation

Technical Field

The utility model relates to an oil gas well perforation technical field specifically is a cable is hierarchical perforation with selecting and sending module point firearm joint.

Background

The cable staged perforation is a process of setting a casing perforating gun by using a cable before setting a well completion production string, performing perforation depth positioning by using a casing nipple at the top of an oil-gas layer, and performing staged selective perforation and staged fracturing by using various processes.

In the process of cable grading perforation construction, the most widely and reliably used mode is to use a selective-sending switch for construction at present, particularly, the current latest generation of integral structure of a detonator electronic selective-sending module is required to be matched with a selective-sending igniter for construction, but the igniter currently used in China is a conventional igniter and does not have a selective-sending function, and an igniter joint capable of being matched with the selective-sending module is required to be designed for construction together with the conventional igniter. Some igniter connectors which are provided with a selective transmission switch in the market are heavy in design and low in reliability, the problems of intermittence often occur, the construction is seriously influenced, and the defects of low efficiency and poor contact of the conventional selective transmission module igniter connector and the field construction cannot meet the requirements of the field construction.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a cable is hierarchical perforation with selecting and sending module point firearm joint to solve the problem among the background art.

In order to achieve the above object, the utility model provides a following technical scheme:

a selective transmission module igniter joint for cable grading perforation comprises a joint body and a selective transmission module, wherein the selective transmission module is arranged in the joint body, a supporting seat is arranged at the center of the selective transmission module, the selective transmission module is installed on the supporting seat, a key groove is formed in the joint body, the supporting seat is installed in the key groove and is connected with the inner wall of the joint body through a first limiting pressing cap, and two point-contact type conductive assemblies which are respectively installed at two end parts of the supporting seat are further arranged in the selective transmission module; the two point-contact conductive components are connected with the selective transmission module through ignition wires; the point contact conductive element is capable of elastically flexing and electrically connecting with a point contact conductive element in the igniter lead.

On the basis of the technical scheme, the utility model discloses still provide following optional technical scheme:

in one alternative: the supporting seat comprises a central supporting part and two fixed supporting arm pieces, the two fixed supporting arm pieces are respectively arranged at two ends of the central supporting part, the central supporting part is used for installing the hair selecting module through a bolt, a fixed ring sleeve is arranged at the end, far away from the central supporting part, of each fixed supporting arm piece, the outer ring wall of each fixed ring sleeve is matched with the inner wall of the joint body, and the point-contact type conductive assembly is inserted into the corresponding fixed ring sleeve to achieve installation.

In one alternative: the point-contact type conducting assembly comprises an insulator, a conducting rod and a second limiting pressing cap, wherein the insulator is arranged at the end part of the supporting seat, a through hole is formed in the center of the insulator, the conducting rod is arranged in the through hole, and one end of the conducting rod faces the supporting seat and can be connected with an ignition wire; a second limiting pressing cap for fixing the conducting rod is arranged in the through hole of the insulator; and the through hole is internally provided with an insulating spring, and two ends of the insulating spring are respectively connected with the edge wall of the through hole and the second limiting pressing cap.

In one alternative: the part of the support seat for installing the selective sending module is provided with an electric grounding part.

In one alternative: one end of the joint body 1 can be connected with a middle joint of Tr80 multiplied by 4, and the lower end can be connected with a standard shell 20 tool and an igniter supporting seat of 2' -10 Acme-2A-LH.

Compared with the prior art, the beneficial effects of the utility model are as follows:

the utility model discloses a set up keyway and spacing cap of pressing, realize connecting the simple and convenient assembly of body left end and the switch conductive component of selecting for use, prevent that the switch conductive component of selecting for use from rotating the harmful effects that comes, through setting up the fixed switch of selecting for use of switch conductive component supporting seat to it is more convenient to reach the field usage through subtracting heavy, and both ends contact structure adopts the spring only to compress and does not participate in electrically conductively, has realized promptly that the flexible compression has also avoided the conductive bad influence of contact that probably brings of spring. The utility model discloses a reliable connection that connects has improved on-the-spot assembly efficiency, possesses stable contact, reliable connection, high-efficient assembly and simple and convenient practical effect.

Drawings

Fig. 1 is a schematic view of the overall structure of the igniter fitting according to an embodiment of the present invention.

Fig. 2 is a schematic view of a supporting base and a mounting structure of a point-contact type conductive element according to an embodiment of the present invention.

Fig. 3 is a schematic view of a supporting seat structure in an embodiment of the present invention.

Fig. 4 is a schematic structural view of a point-contact type conductive assembly according to an embodiment of the present invention.

Notations for reference numerals: the connector comprises a connector body 1, a support seat 2, a central bearing part 21, a fixed support arm part 22, a fixed ring sleeve 23, a point contact type conductive component 3, an insulator 31, a conductive rod 32, a second limit pressure cap 33, an insulating spring 34, a selective sending module 4 and a first limit pressure cap 8.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more clearly understood, the present invention will be further described in detail with reference to the accompanying drawings and embodiments; in the drawings or the description, the same reference numerals are used for similar or identical parts, and the shape, thickness or height of each part may be enlarged or reduced in practical use. The embodiments of the present invention are provided only for illustration, and not for limiting the scope of the present invention. Any obvious and obvious modifications or alterations to the present invention can be made without departing from the spirit and scope of the present invention.

In one embodiment, as shown in fig. 1 and fig. 2, the igniter joint of the selective transmission module for cable staged perforation comprises a joint body 1 and a selective transmission module 4, wherein the selective transmission module 4 is arranged inside the joint body 1, a support seat 2 is arranged at the center of the selective transmission module 4, the selective transmission module 4 is arranged on the support seat 2, a key groove is arranged inside the joint body 1, the support seat 2 is arranged in the key groove and is connected with the inner wall of the joint body 1 through a first limiting pressure cap 8, and two point contact type conductive components 3 are respectively arranged at two end parts of the support seat 2 and are arranged inside the selective transmission module 4; the two point-contact conductive components 3 are connected with the selective transmission module 4 through ignition wires; the point contact type conductive component 3 can elastically stretch and contract and is electrically connected with the point contact type conductive component 3 in the igniter connector;

in the embodiment, the igniter is structurally provided with a perforating gun at the upper stage and is connected with the igniter at the lower stage, when the igniter starts to work, a specific code is sent through a specific ground control instrument to control the selective sending module 4 in the patent, and the selective sending module 4 receives information and transmits the information to the igniter at the lower end through the point contact type conductive component 3 to complete ignition operation; in addition, the simple assembly of the joint body 1 and the point-contact type conductive component 3 is realized by arranging the key groove and the first limiting pressing cap 8, as an embodiment, the left, right, upper and lower positions of each part shown in the attached drawings are only one arrangement mode, and the specific positions are set according to specific requirements;

in one embodiment, as shown in fig. 2 and 3, the supporting seat 2 includes a central supporting portion 21 and two fixed supporting arm members 22, the two fixed supporting arm members 22 are respectively disposed at two ends of the central supporting portion 21, the central supporting portion 21 is used for installing the hair selection module 4 by bolts, an end of the fixed supporting arm member 22 away from the central supporting portion 21 is provided with a fixed ring sleeve 23, an outer ring wall of the fixed ring sleeve 23 is fitted with an inner wall of the connector body 1, and the point-contact conductive component 3 is inserted into the fixed ring sleeve 23 for installation; in this embodiment, since the point-contact type conductive element 3 can be installed in the fixing ring sleeve 23 and the head of the point-contact type conductive element 3 connected to the transmission module 4 can pass through the fixing ring sleeve 23, the ignition wire installation of the point-contact type conductive element 3 connected to the transmission module 4 can be conveniently realized; and the two fixing ring sleeves 23 can be correspondingly arranged in the key grooves or step grooves in the joint body 1, so that the fixing of the whole supporting seat 2 can be realized by utilizing the first limiting pressing cap 8

In one embodiment, as shown in fig. 4, the point-contact type conductive assembly 3 includes an insulator 31, a conductive rod 32 and a second limit pressing cap 33, the insulator 31 is provided at the end of the support base 2 and has a through hole in the center of the insulator 31, the conductive rod 32 is installed in the through hole, and one end of the conductive rod 32 faces the support base 2 and can be connected with an ignition wire; a second limiting pressing cap 33 for fixing the conducting rod 32 is arranged in the through hole of the insulator 31; an insulating spring 34 is arranged in the through hole, and two ends of the insulating spring 34 are respectively connected with the edge wall of the through hole and the second limiting pressing cap 33; in the present embodiment, the insulator 31 can insulate to effectively protect against electric leakage; second, the provision of the insulating spring 34 enables a contact electrical connection of the conductive rod 32 to a previous stage perforating gun or igniter sub.

In one embodiment, as shown in fig. 1-3, the support base 1 and the portion of fig. 3 where the selector module 4 is mounted have an electrical grounding portion to facilitate better electrical protection.

In one embodiment, as shown in fig. 1, one end of the joint body 1 can be connected with a middle joint of Tr80 x 4, and the lower end can be connected with a standard shell 20 tool and an igniter supporting seat of 2' -10 Acme-2A-LH;

the above description is only for the specific embodiments of the present disclosure, but the scope of the present disclosure is not limited thereto, and any person skilled in the art can easily conceive of the changes or substitutions within the technical scope of the present disclosure, and all the changes or substitutions should be covered within the scope of the present disclosure. Therefore, the protection scope of the present disclosure shall be subject to the protection scope of the claims.

Claims (5)

1. A selective transmission module igniter connector for cable grading perforation comprises a connector body and a selective transmission module, wherein the selective transmission module is arranged in the connector body, and the selective transmission module igniter connector is characterized in that a supporting seat is arranged at the center of the selective transmission module and is installed on the supporting seat, a key groove is formed in the connector body, the supporting seat is installed in the key groove and is connected with the inner wall of the connector body through a first limiting pressing cap, and two point-contact type conductive assemblies which are respectively installed at two end parts of the supporting seat are further arranged in the selective transmission module; the two point-contact conductive components are connected with the selective sending module through ignition wires; the point contact conductive element is capable of elastically flexing and electrically connecting with a point contact conductive element in the igniter lead.

2. The igniter joint of a selective emitter module for cable staged perforation according to claim 1, wherein the supporting base comprises a central support portion and two fixed arm support members, the two fixed arm support members are respectively disposed at two ends of the central support portion, the central support portion is used for installing the selective emitter module by bolts, the end of the fixed arm support member away from the central support portion is provided with a fixed ring sleeve, an outer ring wall of the fixed ring sleeve is matched with an inner wall of the joint body, and the point contact conductive assembly is inserted into the fixed ring sleeve to achieve installation.

3. The selective transmission module igniter joint for cable staged perforation according to claim 1, wherein the point-contact type conductive assembly comprises an insulator, a conductive rod and a second limit pressing cap, the insulator is arranged at the end of the support seat and has a through hole in the center, the conductive rod is arranged in the through hole, and one end of the conductive rod faces the support seat and can be connected with an ignition wire; a second limiting pressing cap for fixing the conducting rod is arranged in the through hole of the insulator; and an insulating spring is further arranged in the through hole, and two ends of the insulating spring are respectively connected with the edge wall of the through hole and the second limiting pressing cap.

4. The selective transmission module igniter sub for staged perforation of cables of claim 3, wherein the portion of the support base to which the selective transmission module is mounted has an electrical ground.

5. The selective transmission module igniter connector for cable staged perforation according to claim 1, wherein one end of the connector body is connected to a Tr80 x 4 middle connector, and the lower end is connected to a standard shell 20 tool and an igniter supporting seat of 2"-10 Acme-2A-LH.

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