CN206636519U - A kind of high leakproofness screw connection structure of oil well pipe - Google Patents

A kind of high leakproofness screw connection structure of oil well pipe Download PDF

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Publication number
CN206636519U
CN206636519U CN201720332876.5U CN201720332876U CN206636519U CN 206636519 U CN206636519 U CN 206636519U CN 201720332876 U CN201720332876 U CN 201720332876U CN 206636519 U CN206636519 U CN 206636519U
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China
Prior art keywords
oil well
sealing
well pipe
pipes
connector
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CN201720332876.5U
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Chinese (zh)
Inventor
徐军术
陈澡才
黄东明
黄林波
林培灏
梁津源
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Zhanjiang Outai Oil Gas Technical Services Co Ltd
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Zhanjiang Outai Oil Gas Technical Services Co Ltd
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Abstract

The utility model discloses a kind of high leakproofness screw connection structure of oil well pipe, including No.1 oil well pipe and No. two oil well pipes, the right-hand member of the No.1 oil well pipe and No. two oil well pipes is respectively arranged with No.1 spanner bayonet socket and No. two spanner bayonet sockets, and No.1 sealing bolt and No. two sealing bolts are nested with respectively on the outside of the right-hand member of No.1 oil well pipe and No. two oil well pipes, No.1 connector and No. two connectors are connected on the right side of the No.1 oil well pipe and No. two oil well pipes, and it is respectively arranged with No.1 connecting bolt and No. two connecting bolts on the left of No.1 oil well pipe and No. two oil well pipes.The high leakproofness screw connection structure of the oil well pipe uses the design of sealing filament butt tube, sealing steel ball, sealing filament and sealing bolt, the connection of connector and connecting bolt can be made even closer, the threaded connection of oil well pipe and oil well pipe can be made there is high sealing performance, ensure the service life of oil well pipe, while can also avoid the waste of the energy.

Description

A kind of high leakproofness screw connection structure of oil well pipe
Technical field
It the utility model is related to oil well pipe technical field, the high leakproofness screw connection structure of specially a kind of oil well pipe.
Background technology
, it is necessary to which a kind of oil pipe of resistance to corrosion by petroleum, under strata pressure, makes oil be sprayed from oil pipe during oil is exploited Penetrate.
But the sealing of the threaded connection place of existing oil well pipe and bad, usually can permeability, this not only causes resource Waste, and make to be corroded at oil well tubular construction, reduce the service life of oil well pipe.
The content of the invention
The purpose of this utility model is the high leakproofness screw connection structure for providing a kind of oil well pipe, to solve the above-mentioned back of the body The problem of existing oil well pipe thread junction poor sealing proposed in scape technology.
To achieve the above object, the utility model provides following technical scheme:A kind of high leakproofness screw thread of oil well pipe connects Binding structure, including No.1 oil well pipe and No. two oil well pipes, the right-hand member of the No.1 oil well pipe and No. two oil well pipes are respectively arranged with No.1 spanner bayonet socket and No. two spanner bayonet sockets, and it is close to be nested with No.1 respectively on the outside of the right-hand member of No.1 oil well pipe and No. two oil well pipes Bolt and No. two sealing bolts are sealed, No.1 connector and two are connected on the right side of the No.1 oil well pipe and No. two oil well pipes Number connector, and No.1 connecting bolt and No. two connecting bolts are respectively arranged with the left of No.1 oil well pipe and No. two oil well pipes, No.1 sealing filament and No. two sealing filaments, and No.1 sealing filament are connected on the inside of the No.1 oil well pipe and No. two oil well pipes Sealing steel ball is respectively connected with the left end of No. two sealing filaments, the outer surface of the No.1 oil well pipe and No. two oil well pipes is pasted with Nameplate, the inside of the No.1 connector and No. two connectors are provided with sealing filament butt tube, and No.1 connector and No. two Inner tube is mounted on the inside of connector.
Preferably, spiral shell is carved with the outside of the No.1 oil well pipe, No. two oil well pipes, No.1 connector and No. two connectors Line, and No.1 connector is connected by the way of threaded connection with No. two connecting bolts.
Preferably, scale is carved with the surface of the No.1 oil well pipe and No. two oil well pipes, and its scale unit is rice.
Preferably, the structure of the No.1 sealing bolt and No. two sealing bolts is rotational structure, and No.1 seals spiral shell Bolt and No. two sealing bolts are shaped as regular hexagon.
Preferably, said inner tube is shaped as regular hexagon.
Compared with prior art, the beneficial effects of the utility model are:The high leakproofness screw connection structure of the oil well pipe Using the design of sealing filament butt tube, sealing steel ball, sealing filament and sealing bolt, seal steel ball and sealing filament being capable of the company of piercing into Sealing filament butt tube in joint, make the connection of connector and connecting bolt even closer, avoid oil well pipe long-term use from causing Connector is fluffed with connecting bolt junction, the situation of permeability occurs, and sealing bolt can be connected in connector with connecting bolt One of sealing is set up in the periphery at place again, makes the sealing of connector and connecting bolt more firm, sealing filament butt tube, sealing steel It the combination of pearl, sealing filament and sealing bolt, can make the threaded connection of oil well pipe and oil well pipe that there is high sealing performance, ensure oil The service life of well casing, while can also avoid the waste of the energy.
Brief description of the drawings
Fig. 1 is the utility model structure diagram;
Fig. 2 is the utility model overlooking the structure diagram;
Fig. 3 is No. two connector structural representations of the utility model.
In figure:1st, No.1 oil well pipe, 2, No.1 spanner bayonet socket, 3, No.1 sealing bolt, 4, No.1 connector, 5, No.1 it is close Sealing wire, 6, nameplate, 7, No.1 connecting bolt, 8, No. two oil well pipes, 9, No. two spanner bayonet sockets, 10, No. two sealing bolts, 11, two Number connector, 12, No. two sealing filaments, 13, No. two connecting bolts, 14, inner tube, 15, sealing filament butt tube, 16, sealing steel ball.
Embodiment
Below in conjunction with the accompanying drawing in the utility model embodiment, the technical scheme in the embodiment of the utility model is carried out Clearly and completely describing, it is clear that described embodiment is only the utility model part of the embodiment, rather than whole Embodiment.Based on the embodiment in the utility model, those of ordinary skill in the art are not under the premise of creative work is made The every other embodiment obtained, belong to the scope of the utility model protection.
Fig. 1-3 are referred to, the utility model provides a kind of technical scheme:A kind of high leakproofness threaded connection knot of oil well pipe The right-hand member of structure, including No.1 oil well pipe 1 and No. two oil well pipes 8, No.1 oil well pipe 1 and No. two oil well pipes 8 is respectively arranged with No.1 Spanner bayonet socket 2 and No. two spanner bayonet sockets 9, and it is close to be nested with No.1 respectively on the outside of the right-hand member of No.1 oil well pipe 1 and No. two oil well pipes 8 Seal bolt 3 and No. two sealing bolts 10,1, No. two oil well pipe 8 of No.1 oil well pipe, No.1 connector 4 and No. two connectors 11 it is outer Screw thread is carved with side, and No.1 connector 4 is connected by the way of threaded connection with No. two connecting bolts 13, No.1 oil well pipe 1st, screw thread is carved with the outside of No. two oil well pipes 8, No.1 connector 4 and No. two connectors 11, facilitates No.1 connector 4 and No. two Connecting bolt 13 is connected, and No.1 sealing bolt 3 and No. two sealing bolts 10 carry out thread seal, number oil well pipe 1 and two Scale is carved with the surface of number oil well pipe 8, and its scale unit is rice, the scale for setting rice to be unit, it is straight to be advantageous to user The length for reading oil well pipe is connect, can be directly to out of order particular location, No.1 sealing spiral shell in the maintenance process of oil well pipe The structure of bolt 3 and No. two sealing bolts 10 is rotational structure, and No.1 sealing bolt 3 and No. two sealing bolts 10 are shaped as Regular hexagon, is shaped as regular hexagon and the No.1 sealing bolt 3 that can be rotated and No. two sealing bolts 10, being capable of convenient use Person makes screw up with a wrench No.1 sealing bolt 3 and No. two sealing bolts 10, ensures No.1 sealing bolt 3 and No. two sealing bolts 10 In sealing state, the right side of No.1 oil well pipe 1 and No. two oil well pipes 8 is connected to No.1 connector 4 and No. two connectors 11, and the left side of No.1 oil well pipe 1 and No. two oil well pipes 8 is respectively arranged with No.1 connecting bolt 7 and No. two connecting bolts 13, one The inner side of number oil well pipe 1 and No. two oil well pipes 8 is connected to No.1 sealing filament 5 and No. two sealing filaments 12, and No.1 sealing filament 5 It is respectively connected with the left end of No. two sealing filaments 12 and seals steel ball 16, the outer surface of No.1 oil well pipe 1 and No. two oil well pipes 8 is pasted There is a nameplate 6, the inside of No.1 connector 4 and No. two connectors 11 is provided with sealing filament butt tube 15, and the He of No.1 connector 4 The inner side of No. two connectors 11 is mounted on inner tube 14, and inner tube 14 is shaped as regular hexagon, due to regular hexagon have it is superior Compressive property, so the inner tube 14 of regular hexagon has superior crushing resistance, can make oil well pipe in use not by Damage by pressure, ensure its service life.
Operation principle:When using the high leakproofness screw connection structure of the oil well pipe, prepare several oil well pipes first, It is placed on smooth ground again, the sealing steel ball 16 that No.1 sealing filament 5 on No.1 oil well pipe 1 connects then is directed at No. two Sealing filament butt tube 15 on oil well pipe 8 inside No. two connectors 11, then the No.1 gone by spanner on rotation No.1 oil well pipe 1 Spanner bayonet socket 2, the No.1 connector 4 on No.1 oil well pipe 1 is set to be connected with No. two connecting bolts 13 on No. two oil well pipes 8, The No.1 sealing bolt 3 of the right-hand member of No.1 oil well pipe 1 is finally rotated, No.1 sealing bolt 3 is tightened and is at the He of No.1 connector 4 The position of No. two junctions of connecting bolt 13, then other oil well pipes are sequentially connected by above-mentioned steps, here it is the high sealing The use process of property oil well pipe.
While there has been shown and described that embodiment of the present utility model, for the ordinary skill in the art, It is appreciated that these embodiments can be carried out with a variety of changes in the case where not departing from principle of the present utility model and spirit, repaiied Change, replace and modification, the scope of the utility model are defined by the appended claims and the equivalents thereof.

Claims (5)

1. a kind of high leakproofness screw connection structure of oil well pipe, including No.1 oil well pipe(1)With No. two oil well pipes(8), it is special Sign is:The No.1 oil well pipe(1)With No. two oil well pipes(8)Right-hand member be respectively arranged with No.1 spanner bayonet socket(2)With No. two Spanner bayonet socket(9), and No.1 oil well pipe(1)With No. two oil well pipes(8)Right-hand member on the outside of be nested with No.1 sealing bolt respectively(3) With No. two sealing bolts(10), the No.1 oil well pipe(1)With No. two oil well pipes(8)Right side be connected to No.1 connector (4)With No. two connectors(11), and No.1 oil well pipe(1)With No. two oil well pipes(8)Left side be respectively arranged with No.1 connection spiral shell Bolt(7)With No. two connecting bolts(13), the No.1 oil well pipe(1)With No. two oil well pipes(8)Inner side be connected to No.1 Sealing filament(5)With No. two sealing filaments(12), and No.1 sealing filament(5)With No. two sealing filaments(12)Left end be respectively connected with sealing steel Pearl(16), the No.1 oil well pipe(1)With No. two oil well pipes(8)Outer surface be pasted with nameplate(6), the No.1 connector (4)With No. two connectors(11)Inside be provided with sealing filament butt tube(15), and No.1 connector(4)With No. two connectors (11)Inner side be mounted on inner tube(14).
A kind of 2. high leakproofness screw connection structure of oil well pipe according to claim 1, it is characterised in that:The No.1 Oil well pipe(1), No. two oil well pipes(8), No.1 connector(4)With No. two connectors(11)Outside be carved with screw thread, and No.1 Connector(4)By the way of threaded connection with No. two connecting bolts(13)It is connected.
A kind of 3. high leakproofness screw connection structure of oil well pipe according to claim 1, it is characterised in that:The No.1 Oil well pipe(1)With No. two oil well pipes(8)Surface be carved with scale, and its scale unit is rice.
A kind of 4. high leakproofness screw connection structure of oil well pipe according to claim 1, it is characterised in that:The No.1 Sealing bolt(3)With No. two sealing bolts(10)Structure be rotational structure, and No.1 sealing bolt(3)With No. two sealing spiral shells Bolt(10)Be shaped as regular hexagon.
A kind of 5. high leakproofness screw connection structure of oil well pipe according to claim 1, it is characterised in that:Said inner tube (14)Be shaped as regular hexagon.
CN201720332876.5U 2017-03-31 2017-03-31 A kind of high leakproofness screw connection structure of oil well pipe Active CN206636519U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201720332876.5U CN206636519U (en) 2017-03-31 2017-03-31 A kind of high leakproofness screw connection structure of oil well pipe

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201720332876.5U CN206636519U (en) 2017-03-31 2017-03-31 A kind of high leakproofness screw connection structure of oil well pipe

Publications (1)

Publication Number Publication Date
CN206636519U true CN206636519U (en) 2017-11-14

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Family Applications (1)

Application Number Title Priority Date Filing Date
CN201720332876.5U Active CN206636519U (en) 2017-03-31 2017-03-31 A kind of high leakproofness screw connection structure of oil well pipe

Country Status (1)

Country Link
CN (1) CN206636519U (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108071353A (en) * 2017-12-15 2018-05-25 广东五月花网络科技有限公司 A kind of fixing device for being used for drilling rod during oil exploitation

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108071353A (en) * 2017-12-15 2018-05-25 广东五月花网络科技有限公司 A kind of fixing device for being used for drilling rod during oil exploitation

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