阅读说明：本技术 一种油气井用快速装接选发控制装置 (Quick mounting, selecting and sending control device for oil-gas well ) 是由 汤光银 张大国 陈国川 凌勇 张明星 于 2019-09-19 设计创作，主要内容包括：本发明公开了一种油气井用快速装接选发控制装置,所述第一螺套外表壁上具有与射孔专用装置连接配合的螺纹,所述第一插接本体上具有插孔,所述第一插接本体插接于每个所述第一台阶孔的内部,所述第一簧片与所述第一插接本体固定连接,并位于所述第一插接本体的外表壁,且位于每个所述第一台阶孔的内部,所述第二插接本体插接于所述第二台阶孔的内部,所述第二簧片和所述第三簧片分别与所述第二插接本体固定连接,均位于所述第二台阶孔的内部,且所述第二簧片与所述第三簧片的变形方向呈90°设置,所述第三簧片与所述第二台阶孔的内部抵持。达到加快选发控制装置与射孔装置的装配速率,减轻作业人员的工作强度的目的。(The invention discloses a quick mounting and selecting control device for an oil-gas well, wherein a thread which is connected and matched with a special perforating device is arranged on the outer surface wall of a first threaded sleeve, a jack is arranged on a first plug-in body, the first plug-in body is plugged in each first step hole, a first reed is fixedly connected with the first plug-in body and positioned on the outer surface wall of the first plug-in body and positioned in each first step hole, a second plug-in body is plugged in each second step hole, a second reed and a third reed are respectively and fixedly connected with the second plug-in body and positioned in each second step hole, the deformation directions of the second reed and the third reed are 90 degrees, and the third reed abuts against the inside of the second step hole. The aims of accelerating the assembly rate of the selective-sending control device and the perforating device and reducing the working strength of operators are fulfilled.)

1. A fast assembling, selecting and sending control device for oil and gas wells is characterized in that,

the three-core module is detachably connected with the shell through the connecting piece, the first connector and the second connector are arranged in the three-core module, and the circuit board is detachably connected with the first connector and the second connector;

the three-core assembly comprises a first threaded sleeve, a first filling piece and a first thread insert, wherein the first threaded sleeve is integrally formed with the first filling piece and the first thread insert respectively, threads matched with a special perforation device are arranged on the outer surface wall of the first threaded sleeve, a first step hole and a second step hole are formed in the first threaded sleeve, the number of the first step holes is two, the first connector comprises a first plug-in body and a first reed, a jack is formed in the first plug-in body, the first plug-in body is plugged in each first step hole, the first reed is of an open structure, the first reed is fixedly connected with the first plug-in body and located on the outer surface wall of the first plug-in body and located in each first step hole, and the second connector comprises a second plug-in body, The second plug body is plugged in the second step hole, the second reed is of an opening structure, the second reed and the third reed are fixedly connected with the second plug body respectively and are located in the second step hole, the deformation direction of the second reed and the deformation direction of the third reed are 90 degrees, and the third reed is abutted against the inner portion of the second step hole.

2. The quick-attach selective-launch control apparatus for oil and gas wells of claim 1,

one end of the first threaded insert is arranged in the first thread sleeve, and the other end of the first threaded insert is arranged in the first filling piece.

3. The quick-attach selective-launch control apparatus for oil and gas wells of claim 2,

the inner side wall of the first thread sleeve is provided with a groove.

4. The quick-attach selective-launch control apparatus for oil and gas wells of claim 3,

and the outer surfaces of the first plug-in body and the second plug-in body are respectively provided with a stopping piece matched with the first step hole and the second step hole.

5. The quick-attach selective-launch control apparatus for oil and gas wells of claim 4,

the inner cavity of the shell is provided with two clamping grooves which are oppositely arranged.

6. The quick-attach selective-launch control apparatus for oil and gas wells of claim 5,

the inner cavity of the shell is provided with two flat surfaces which are oppositely arranged.

7. The quick-attach selective-launch control apparatus for oil and gas wells of claim 6,

the quick assembly and selective launch control device for the oil-gas well further comprises two core assemblies, the two core assemblies pass through the connecting piece and are detachably connected with the shell, the two core assemblies comprise a second threaded sleeve, a second filling piece and a second threaded insert, the second threaded sleeve is integrally formed with the second filling piece and the second threaded insert respectively, a third step hole and a fourth step hole are formed in the second threaded sleeve, the first insertion body is inserted into the third step hole, the second insertion body is inserted into the fourth step hole, and the third reed is abutted to the inside of the fourth step hole.

8. The quick-attach selective-launch control apparatus for oil and gas wells of claim 7,

the quick assembly and selective transmission control device for the oil-gas well further comprises two damping pieces, wherein one of the two damping pieces is fixedly connected with the three-core assembly and positioned between the three-core assembly and the circuit board, and the other damping piece is fixedly connected with the two-core assembly and positioned between the two-core assembly and the circuit board.

Technical Field

The invention relates to the technical field of oil and gas well perforation, in particular to a quick assembling, selecting and sending control device for an oil and gas well.

Background

The main function of the selective firing control device is to detonate the detonator during the perforation operation of the oil and gas well. At present, before an oil-gas well is perforated, a multi-stage selective-sending control device is required to be connected with a perforating device on the well and then the well is put into the well for operation; at present, five wires are directly led out of a circuit board by using the existing selective-sending control device, and operators are required to weld each wire during field connection, so that the assembly rate of the selective-sending control device and the perforating device is reduced, and the working intensity of the operators is increased.

Disclosure of Invention

The invention aims to provide a quick assembling, selecting and sending control device for an oil-gas well, and aims to solve the technical problems that in the prior art, the assembling speed of a selecting and sending control device and a perforating device is low, and the working strength of operators is increased.

In order to achieve the purpose, the quick assembling and selecting control device for the oil-gas well comprises a shell, a three-core assembly, a connecting piece, a first connector, a second connector and a circuit board, wherein the three-core assembly is detachably connected with the shell through the connecting piece, the first connector and the second connector are both arranged in the three-core assembly, and the circuit board is detachably connected with the first connector and the second connector;

the three-core assembly comprises a first threaded sleeve, a first filling piece and a first thread insert, wherein the first threaded sleeve is integrally formed with the first filling piece and the first thread insert respectively, threads matched with a special perforation device are arranged on the outer surface wall of the first threaded sleeve, a first step hole and a second step hole are formed in the first threaded sleeve, the number of the first step holes is two, the first connector comprises a first plug-in body and a first reed, a jack is formed in the first plug-in body, the first plug-in body is plugged in each first step hole, the first reed is of an open structure, the first reed is fixedly connected with the first plug-in body and located on the outer surface wall of the first plug-in body and located in each first step hole, and the second connector comprises a second plug-in body, The second plug body is plugged in the second step hole, the second reed is of an opening structure, the second reed and the third reed are fixedly connected with the second plug body respectively and are located in the second step hole, the deformation direction of the second reed and the deformation direction of the third reed are 90 degrees, and the third reed is abutted against the inner portion of the second step hole.

One end of the first threaded insert is arranged in the first thread sleeve, and the other end of the first threaded insert is arranged in the first filling piece.

Wherein, the inner side wall of the first thread insert is provided with a groove.

And the outer surfaces of the first plug-in body and the second plug-in body are respectively provided with a stopping piece matched with the first stepped hole and the second stepped hole.

Wherein, two clamping grooves which are oppositely arranged are arranged on the inner cavity of the shell.

Wherein, the inner cavity of the shell is provided with two flat surfaces which are oppositely arranged.

The quick assembling and selecting control device for the oil-gas well further comprises two core assemblies, the two core assemblies pass through the connecting piece and can be detachably connected with the shell, each core assembly comprises a second threaded sleeve, a second filling piece and a second threaded insert, the second threaded sleeve is integrally formed with the second filling piece and the second threaded insert respectively, a third step hole and a fourth step hole are formed in the second threaded sleeve, the first inserting body is inserted into the third step hole, the second inserting body is inserted into the fourth step hole, and the third reed is abutted to the inside of the fourth step hole.

The quick mounting, selecting and sending control device for the oil-gas well further comprises two damping pieces, wherein one of the two damping pieces is fixedly connected with the three-core assembly and positioned between the three-core assembly and the circuit board, and the other damping piece is fixedly connected with the two-core assembly and positioned between the two-core assembly and the circuit board.

The invention has the beneficial effects that: the circuit board is connected with the lower end of the perforating device without a mode of directly leading out a lead for welding, the connection mode of the selective-sending control device with a shell at the lower end of the perforating device and a detonator is realized through the three-core assembly, the outer surface wall of the first thread sleeve of the three-core assembly is provided with a thread which is connected and matched with a special perforating device, the connection with the perforating device can be quickly realized, and meanwhile, the three-core assembly is detachably connected with the shell through the connecting piece, so that the quick assembly and disassembly of the selective-sending control device can be realized. Therefore, the effects of accelerating the assembly rate of the selective-sending control device and the perforating device and reducing the working intensity of operators are obtained.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.

FIG. 1 is a schematic structural diagram of a quick-mounting and selective-sending control device for an oil-gas well.

Fig. 2 is a schematic view of the internal structure of the three-core assembly of the present invention.

FIG. 3 is a schematic view of the internal structure of a two core assembly of the present invention.

FIG. 4 is a schematic view of the first connector of the present invention.

FIG. 5 is a schematic view of a second connector of the present invention.

Fig. 6 is a schematic structural view of the housing of the present invention.

Fig. 7 is a schematic view of the position of the connector of the present invention.

100-quick mounting, selecting and sending control device for oil-gas well, 10-shell, 11-clamping groove, 12-flat surface, 20-three-core assembly, 21-first thread insert, 211-first stepped hole, 212-second stepped hole, 213-groove, 22-first filling piece, 23-first thread insert, 30-connecting piece, 40-first connector, 41-first plug-in body, 42-first reed, 50-second connector, 51-second plug-in body, 52-second reed, 53-third reed, 54-backstop piece, 60-circuit board, 70-two-core assembly, 71-second thread insert, 711-third stepped hole, 712-fourth stepped hole, 72-second filling piece, 73-second thread insert, 80-shock absorbing members.

Detailed Description

Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are illustrative and intended to be illustrative of the invention and are not to be construed as limiting the invention.

In the description of the present invention, it is to be understood that the terms "length", "width", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on the orientations or positional relationships illustrated in the drawings, and are used merely for convenience in describing the present invention and for simplicity in description, and do not indicate or imply that the devices or elements referred to must have a particular orientation, be constructed in a particular orientation, and be operated, and thus, are not to be construed as limiting the present invention. Further, in the description of the present invention, "a plurality" means two or more unless specifically defined otherwise.

Referring to fig. 1 to 7, the present invention provides a quick-assembly selective-sending control device 100 for an oil-gas well, including a housing 10, a three-core assembly 20, a connector 30, a first connector 40, a second connector 50 and a circuit board 60, wherein the three-core assembly 20 is detachably connected to the housing 10 through the connector 30, the first connector 40 and the second connector 50 are both disposed inside the three-core assembly 20, and the circuit board 60 is detachably connected to the first connector 40 and the second connector 50;

the three-core assembly 20 comprises a first thread insert 21, a first filling piece 22 and a first thread insert 23, wherein the first thread insert 21 is integrally formed with the first filling piece 22 and the first thread insert 23, threads connected and matched with a special perforation device are arranged on the outer surface wall of the first thread insert 21, a first stepped hole 211 and a second stepped hole 212 are formed in the first thread insert 21, the number of the first stepped holes 211 is two, the first connector 40 comprises a first plug-in body 41 and a first reed 42, a plug hole is formed in the first plug-in body 41, the first plug-in body 41 is plugged in each first stepped hole 211, the first reed 42 is of an open structure, the first reed 42 is fixedly connected with the first plug-in body 41, is located on the outer surface wall of the first plug-in body 41, and is located in each first stepped hole 211, the second connector 50 comprises a second plug body 51, a second spring piece 52 and a third spring piece 53, the second plug body 51 is plugged in the second stepped hole 212, the second spring piece 52 is in a flaring structure, the second spring piece 52 and the third spring piece 53 are respectively and fixedly connected with the second plug body 51 and are both positioned in the second stepped hole 212, the deformation direction of the second spring piece 52 and the deformation direction of the third spring piece 53 are 90 degrees, and the third spring piece 53 is abutted against the inside of the second stepped hole 212.

In the embodiment, the connection between the circuit board 60 and the lower end of the perforating device does not use the mode of welding a direct lead wire, the connection between the selective triggering control device and the shell at the lower end of the detonator and the perforating device is realized by the three-core assembly 20, and the outer surface wall of the three-core assembly 20 is provided with a device special for perforating; the three-core assembly 20 is detachably connected with the shell 10 through the connecting screws, so that the rapid assembly and disassembly of the selective-sending control device are realized. The first filling piece 22 is made of engineering plastics, the first thread insert 21, the first filling piece 22 and the first thread insert 23 are respectively formed by an integral injection molding process, the number of parts of a selective-transmission control device can be reduced, the assembly time and the assembly cost are saved, the first thread insert 21 is provided with two first step holes 211 and one second step hole 212, the two first step holes 211 are symmetrically arranged relative to the axis of the first thread insert 21, the first connector 40 is respectively inserted into the two first step holes 211, one end of each first insertion body 41 is provided with an insertion hole, one end of each first reed 42 is of an opening structure, the inner walls of the first reed 42 and the first step holes 211 are mutually abutted, the circuit board 60 is only required to be inserted into the opening structure of the first reed 42, the first spring 42 is forced to deform, so that the circuit board 60 and the first connector 40 are electrically connected, because the first connector 40 has a jack at one end, the detonator can be directly inserted into the jack through the contact pin to realize the rapid connection of the detonator, the second connector 50 is inserted into the second stepped hole 212, the second spring plate 52 is designed to be an open structure, which can realize the circuit connection between the circuit board 60 and the second connector 50, the third spring plate 53 and the second spring plate 52 are arranged at an angle of 90 degrees, therefore, when the second connector 50 is fitted into the second stepped hole 212, the inner wall of the first barrel 21 and the third spring 53 are designed to have a certain amount of interference, the inner wall of the second stepped hole 212 forces the third spring 53 to deform, thereby achieving the electrical continuity between the second connector 50 and the first screw 21.

The action process of the invention is as follows: the circuit board 60 is fixed by the mutual matching of the first connector 40 and the second connector 50, meanwhile, the first thread insert 21 transmits electric energy to a special perforation device in threaded connection with the first thread insert and the second connector 50 inserted in the second stepped hole 212, the second connector 50 transmits electric energy to the circuit board 60 after being electrified, the circuit board 60 transmits electric energy to the first connector 40 inserted in the first stepped hole 211 after being electrified, and the first connector 40 transmits electric energy to a detonator connected with a jack after being electrified.

In summary, the following steps: the connection of the circuit board 60 and the lower end of the perforating device does not use the mode of directly leading out a lead wire for welding, the connection mode of the selective triggering control device and the shell of the detonator and the lower end of the perforating device is realized through the three-core assembly 20, the outer surface wall of the first screw sleeve 21 of the three-core assembly 20 is provided with a thread which is connected and matched with a special perforating device, the connection with the perforating device can be quickly realized, and meanwhile, the three-core assembly 20 is detachably connected with the shell 10 through the connecting piece 30, so that the quick assembly and disassembly of the selective triggering control device can be realized. Therefore, the aims of accelerating the assembly rate of the selective-sending control device and the perforating device and reducing the working intensity of operators are fulfilled.

Further, one end of the first threaded insert 23 is disposed inside the first thread insert 21, and the other end of the first threaded insert 23 is disposed inside the first filler 22.

In the present embodiment, the first threaded insert 23 is disposed inside the first threaded sleeve 21 at one end, and the first threaded insert 23 is disposed inside the first filler 22 at the other end, so that the first filler 22, i.e., the engineering plastic, can be prevented from rotating, and since the material strength of the first threaded sleeve 21 and the first threaded insert 23 is much higher than that of the first filler 22, the design is beneficial to improving the anti-impact load capacity of the three-core component 20.

Further, the first thread insert 21 has a groove 213 on an inner side wall thereof.

In the present embodiment, the grooves 213 are provided to restrict axial displacement and rotation of the first packing member 22, thereby preventing the first packing member 22 from moving axially.

Further, the outer surfaces of the first plug body 41 and the second plug body 51 are provided with retaining pieces 54 which are matched with the first stepped hole 211 and the second stepped hole 212.

In this embodiment, the retaining pieces 54 of the first and second contacts 40 and 50 are capable of engaging with the first and second stepped holes 211 and 212, respectively, and are capable of restricting the first and second contacts 40 and 50 from being assembled and preventing the first and second contacts 40 and 50 from moving backward after being inserted into the three-core module 20.

Further, the inner cavity of the housing 10 has two opposite slots 11. The housing 10 has two flat surfaces 12 disposed opposite each other in the inner cavity.

In this embodiment, the inner cavity of the housing 10 is provided with two flat surfaces 12 and two slots 11, which are oppositely arranged, a connecting line between the two flat surfaces 12 and a connecting line between the two slots 11 are arranged in a staggered manner, and two ends of an outer cylindrical surface of the housing 10 are provided with four symmetrically arranged countersunk holes.

Further, the quick-mounting selecting and sending control device 100 for the oil-gas well further comprises a two-core assembly 70, the two-core assembly 70 is detachably connected with the shell 10 through the connecting piece 30, the two-core assembly 70 comprises a second thread insert 71, a second filling piece 72 and a second thread insert 73, the second thread insert 71 is integrally formed with the second filling piece 72 and the second thread insert 73 respectively, a third step hole 711 and a fourth step hole 712 are formed in the second thread insert 71, the first plug-in body 41 is plugged in the third step hole 711, the second plug-in body 51 is plugged in the fourth step hole 712, and the third reed 53 abuts against the inside of the fourth step hole 712.

In the embodiment, the circuit board 60 is connected with the upper end of the perforating device without using a direct lead-out wire welding mode, the connection mode of the selective-sending control device with the upper selective-sending control device and the upper end shell of the perforating device is realized through the two-core assembly 70, and the second threaded sleeve 71 of the two-core assembly 70 is provided with connecting threads for the perforating device, so that the two-core assembly can be quickly connected with the perforating device; meanwhile, the two-core assembly 70 can be detachably connected with the shell 10 through the connecting piece 30, so that the quick assembly and disassembly of the selecting and sending control device can be realized.

The two-core assembly 70 has the same structural design principle and molding process as the three-core assembly 20, except that the two-core assembly 70 is provided with two step holes, i.e., the third step hole 711 and the fourth step hole 712, the third step hole 711 is the same as the first step hole 211, the fourth step hole 712 is the same as the second step hole 212, the first plug body 41 is plugged in the third step hole 711, the second plug body 51 is plugged in the fourth step hole 712, the circuit board 60 is only inserted into the opening structure of the first reed 42 to force the first reed 42 to deform, so that the circuit board 60 is electrically connected with the first connector 40, because one end of the first connector 40 is provided with a jack, the upper-level hair selection control device can realize the quick connection of the upper-level hair selection control device by directly inserting a pin into the jack, the second connector 50 is inserted into the fourth stepped hole 712, the second spring 52 is designed to be an open structure, so that the circuit connection between the circuit board 60 and the second connector 50 can be realized, the third spring 53 and the second spring 52 are arranged at an angle of 90 degrees, so that when the second connector 50 is installed in the fourth stepped hole 712, the inner wall of the second screw sleeve 71 and the third spring 53 are designed to have a certain interference amount, and the inner wall of the fourth stepped hole 712 forces the third spring 53 to deform, so that the circuit conduction between the second connector 50 and the second screw sleeve 71 is realized.

The action process of the invention is as follows: the circuit board 60 is fixed by the mutual matching of the first connector 40 and the second connector 50, meanwhile, the first thread insert 21 transmits electric energy to a special perforation device in threaded connection with the first thread insert and the second connector 50 inserted in the fourth stepped hole 712, the second connector 50 transmits electric energy to the circuit board 60 after being electrified, the circuit board 60 transmits electric energy to the first connector 40 inserted in the third stepped hole 711 after being electrified, and the first connector 40 transmits electric energy to a previous-stage selective-sending control device connected with a jack after being electrified.

In summary, the following steps: the connection of the circuit board 60 and the upper end of the perforating device does not use the mode of directly leading out a lead for welding, the connection mode of the selective-sending control device, the selective-sending control device and the upper end shell of the perforating device is realized through the two-core assembly 70, the outer surface wall of the second threaded sleeve 71 of the two-core assembly 70 is provided with threads matched with a special perforating device in a connecting mode, the two-core assembly 70 can be quickly connected with the perforating device, and meanwhile, the two-core assembly 70 is detachably connected with the shell 10 through the connecting piece 30, so that the quick assembly and disassembly of the selective-sending control device can be realized. Therefore, the aims of accelerating the assembly rate of the selective-sending control device and the perforating device and reducing the working intensity of operators are fulfilled.

Further, the quick-mounting and selective-sending control device 100 for the oil-gas well further comprises two shock absorbing members 80, wherein one shock absorbing member 80 is fixedly connected with the three-core assembly 20 and is positioned between the three-core assembly 20 and the circuit board 60, and the other shock absorbing member 80 is fixedly connected with the two-core assembly 70 and is positioned between the two-core assembly 70 and the circuit board 60.

In this embodiment, the shock absorbing pads are respectively disposed between the three-core component 20 and the circuit board 60 and between the two-core component 70 and the circuit board 60, so that the impact load resistance of the circuit board 60 can be improved.

Combining all the above embodiments: when the three-core assembly 20 is assembled with the perforating device, the three-core assembly can be connected with the lower end of the perforating device only by inserting a detonator and then screwing the threads; the two core assembly 70 is connected to the top end of the perforation device by tightening the threads. In the present invention, the threads not only serve as a connection, but also function to electrically connect the circuit board 60 to the housing of the perforating device. The three-core assembly 20 is provided with two jacks, the two core groups are provided with single-core jacks, the inner diameters of the jacks are different, misconnection during assembly can be effectively prevented, and compared with the prior art, the three-core assembly greatly improves the perforating operation efficiency, reduces the labor intensity of perforating operators and increases the perforating operation safety.

While the invention has been described with reference to a preferred embodiment, it will be understood by those skilled in the art that various changes in form and detail may be made therein without departing from the spirit and scope of the invention as defined by the appended claims.