CN206129209U - Expansion pipe composite set for oil drilling - Google Patents

Abstract

The utility model discloses an expansion pipe composite set for oil drilling, including first expansion pipe and second expansion pipe, the connection inner tube is all installed on the right side of first expansion pipe and second expansion pipe, wrap up rubber sleeve on the outer wall of connection inner tube, all be equipped with the mounting hole on the outer wall of first expansion pipe and second expansion pipe, connecting device is installed on the top of first expansion pipe and second expansion pipe. This expansion pipe composite set for oil drilling, promote the i -shaped connecting rod when first expansion pipe and second expansion pipe shrinkage/swelling, can make the i -shaped connecting rod promote the bracing piece, through sliding plate and slide rail sliding connection, can make the sliding plate sliding pressure kinematic elasticity spare that makes progress, pressure during through elastic component first expansion pipe of buffering and second expansion pipe inflation, first expansion pipe and second expansion pipe degree of bulging can be followed and relative fixing is being carried out, the fastness of connecting has been increased, make between first expansion pipe and the second expansion pipe tightlyer.

Description

A kind of petroleum drilling and mining is combined the unit with expansion tube

Technical field

This utility model is related to attachment means technical field, and specially a kind of petroleum drilling and mining is combined the unit with expansion tube.

Background technology

Bulged tube technology has more wide application prospect in drilling well, completion and workover process, for different work and The requirement of well depth, will configure the length of working string, at present, oil field operation by attachment structure between the expansion tube of different length It is main using the conventional thread connection of connected mode one, have curved surface thread connection, round thread connection, buttress thread connection, three Angular thread connection and rectangular thread connection etc., threaded connection mode can be to meet what is required to common engineering application, But threaded connection has requirement on machining accuracy height, bonding strength easily extrudes the problems such as reducing because of expansion, especially in high temperature, corruption Under the conditions of the bad working environments such as erosion well, the bulbs of pressure are higher, during metal tube thread joined structure dilatancy, easily produce stress collection In and cause thread root to rupture, such as it ruptures, then can cause great down-hole accident, such as Patent No. 201521121580.6 patent, including sleeve pipe, are provided with expansion tube in sleeve pipe, expansion tube is expanded by upper left expansion tube and bottom left Pipe connection composition, is fixedly connected between upper left expansion tube and bottom left expansion tube by multiple I shape connectors of the same size, Although increased the fastness of connection, in expansion tube dilation, it is impossible to carried out relatively according to expansion and the degree for shrinking That what is answered stablizes, and reduces the tightness between expansion tube.

Utility model content

The purpose of this utility model is to provide a kind of petroleum drilling and mining expansion tube combination unit, to solve above-mentioned background skill The problem proposed in art.

For achieving the above object, this utility model provides following technical scheme：A kind of petroleum drilling and mining is filled with expansion tube combination Put, including the first expansion tube and the second expansion tube, it is mounted on the right side of first expansion tube and the second expansion tube in connection Cylinder, first expansion tube is connected by connection inner core with the second expansion tube, and on the outer wall of the connection inner core rubber is enclosed with Installing hole, first expansion tube and the second expansion tube are equipped with the outer wall of set, first expansion tube and the second expansion tube Top attachment means are installed, the attachment means include reinforcing bar, and the left and right sides of the reinforcing bar is mounted on connection Outer container, the inner chamber top of the connection outer container is provided with stabilizing base, and the bottom of the stabilizing base is provided with elastic component, the elasticity The bottom of part is provided with sliding panel, and the left and right sides of the sliding panel is mounted on slide rail, and the sliding panel slides with slide rail and connects Connect, the bottom of the sliding panel is provided with support bar, and the bottom of the support bar is provided with drum connecting rod, the drum connection Bar and installing hole coordinate and are connected, are provided with connecting rod on the outer wall of the connection outer container, and the connecting rod is by consolidating block and the One expansion tube and the second expansion tube are connected.

Preferably, the elastic component is provided with firm bottom with the junction of stabilizing base.

Preferably, the top of the connecting rod is provided with fix bar.

Preferably, the support bar is provided with rubber slab with the junction of drum connecting rod.

Preferably, the reinforcing bar is provided with reinforcement block with the junction for being connected outer container.

Compared with prior art, the beneficial effects of the utility model are：The petroleum drilling and mining is combined the unit with expansion tube, is passed through Connection inner core and rubber sleeve can carry out preliminary connection the first expansion tube and the second expansion tube, can be the by reinforcing bar Connection outer container on one expansion tube and the second expansion tube is fixed together, and is coordinated with installing hole by drum connecting rod and is connected, can So that the first expansion tube and the second expansion tube are fixed together, push away when the first expansion tube and the second expansion tube dilation Type of starting building connecting rod, can make drum connecting rod promote support bar, be slidably connected with slide rail by sliding panel, can make sliding panel Upward sliding presses elastic component, pressure when buffering the first expansion tube and the second expansion tube swelling by elastic component, can follow The first expansion tube and the second expansion tube swelling degree is relatively fixed, increased the fastness of connection, make the first expansion tube And second is tighter between expansion tube.

Description of the drawings

Fig. 1 is this utility model structural representation；

Fig. 2 is attachment means structural representation of the present utility model.

In figure：1st, the first expansion tube, 2, connection inner core, the 3, second expansion tube, 4, rubber sleeve, 5, attachment means, 501, plus Gu block, 502, fix bar, 503, stabilizing base, 504, firm bottom, 505, connecting rod, 506, firm block, 507, support bar, 508, Sliding panel, 509, reinforcing bar, 510, drum connecting rod, 511, rubber slab, 512, connection outer container, 513, elastic component, 514, slide rail, 6th, installing hole.

Specific embodiment

Below in conjunction with the accompanying drawing in this utility model embodiment, the technical scheme in this utility model embodiment is carried out Clearly and completely describe, it is clear that described embodiment is only a part of embodiment of this utility model, rather than whole Embodiment.Based on the embodiment in this utility model, those of ordinary skill in the art are not under the premise of creative work is made The every other embodiment for being obtained, belongs to the scope of this utility model protection.

Fig. 1-2 is referred to, this utility model provides a kind of technical scheme：A kind of petroleum drilling and mining is combined the unit with expansion tube, Including the first expansion tube 1 and the second expansion tube 3, the right side of the expansion tube 3 of first expansion tube 1 and second is mounted in connection Cylinder 2, first expansion tube 1 is connected by connection inner core 2 with the second expansion tube 3, is enclosed with the outer wall of the connection inner core 2 Rubber sleeve 4, preliminary connection, institute can be carried out by connecting inner core 2 and rubber sleeve 4 the first expansion tube 1 and the second expansion tube 3 Installing hole 6, the expansion tube 3 of first expansion tube 1 and second are equipped with the outer wall for stating the first expansion tube 1 and the second expansion tube 3 Top attachment means 5 are installed, the attachment means 5 include reinforcing bar 509, and the left and right sides of the reinforcing bar 509 is pacified Equipped with connection outer container 512, the connection outer container 512 on first expansion tube 1 and the second expansion tube 3 can be consolidated by reinforcing bar 509 It is scheduled on together, the reinforcing bar 509 is provided with reinforcement block 501 with the junction for being connected outer container 512, can be with by reinforcement block 501 Make reinforcing bar 509 more firm with the connection for being connected outer container 512, the inner chamber top of the connection outer container 512 is provided with stabilizing base 503, the bottom of the stabilizing base 503 is provided with elastic component 513, and the elastic component 513 is provided with the junction of stabilizing base 503 Firm bottom 504, by firm bottom 504 stability of elastic component 513 can be strengthened, and the bottom of the elastic component 513 is installed The left and right sides for having sliding panel 508, the sliding panel 508 is mounted on slide rail 514, and the sliding panel 508 slides with slide rail 514 Connection, the bottom of the sliding panel 508 is provided with support bar 507, and the bottom of the support bar 507 is provided with drum connecting rod 510, the support bar 507 is provided with rubber slab 511 with the junction of drum connecting rod 510, can be buffered by rubber slab 511 Certain pressure, the drum connecting rod 510 coordinates with installing hole 6 and is connected, and is coordinated with installing hole 6 by drum connecting rod 510 It is connected, the first expansion tube 1 and the second expansion tube 3 can be fixed together, installs on the outer wall of the connection outer container 512 There is connecting rod 505, drum connecting rod 510 is promoted when the first expansion tube 1 and the second 3 dilation of expansion tube, drum can be made Connecting rod 510 promotes support bar 507, is slidably connected with slide rail 514 by sliding panel 511, can make the upward sliding of sliding panel 511 Elastic component 513 is pressed, pressure when buffering the first expansion tube 1 and the expansion of the second expansion tube 3 by elastic component 513 can be followed The first expansion tube 1 and the swelling degree of the second expansion tube 3 is relatively fixed, increased the fastness of connection, the connecting rod 505 top is provided with fix bar 502, and by fix bar 502 stability of strong ties outer container 512, the connecting rod can be added 505 are connected by firm block 506 with the first expansion tube 1 and the second expansion tube 3.

First expansion tube 1 and the second expansion tube 3 can be carried out preliminary connection by connecting inner core 2 and rubber sleeve 4, be led to Crossing reinforcing bar 509 can be fixed together the connection outer container 512 on the first expansion tube 1 and the second expansion tube 3, be connected by drum Extension bar 510 coordinates with installing hole 6 and is connected, and the first expansion tube 1 and the second expansion tube 3 can be fixed together, when first Drum connecting rod 510 is promoted during 1 and second 3 dilation of expansion tube of expansion tube, drum connecting rod 510 can be made to promote support bar 507, it is slidably connected with slide rail 514 by sliding panel 511, the upward sliding of sliding panel 511 can be made to press elastic component 513, pass through Elastic component 513 buffers pressure when the first expansion tube 1 and the expansion of the second expansion tube 3, can followed by the first expansion tube 1 and second The swelling degree of expansion tube 3 is relatively fixed, and increased the fastness of connection, is made between the first expansion tube 1 and the second expansion tube 3 It is tighter.

In description of the present utility model, it is to be understood that term " coaxial ", " bottom ", " one end ", " top ", " middle part ", " other end ", " on ", " side ", " top ", " interior ", " front portion ", " central authorities ", the orientation of the instruction such as " two ends " or position The relation of putting is, based on orientation shown in the drawings or position relationship, to be for only for ease of description this utility model and simplify description, and Be not indicate or imply indication device or element must have specific orientation, with specific azimuth configuration and operation, therefore It is not intended that to restriction of the present utility model.

In this utility model, unless otherwise clearly defined and limited, term " installation ", " setting ", " connection ", The terms such as " fixation ", " spinning " should be interpreted broadly, for example, it may be fixedly connected, or be detachably connected, or into one Body；Can be mechanically connected, or electrically connect；Can be joined directly together, it is also possible to be indirectly connected to by intermediary, can To be connection or the interaction relationship of two elements of two element internals, unless otherwise clearly restriction, for this area Those of ordinary skill for, can as the case may be understand concrete meaning of the above-mentioned term in this utility model.

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 various changes in the case of without departing from principle of the present utility model and spirit, repaiies Change, replace and modification, scope of the present utility model is defined by the appended claims and the equivalents thereof.

Claims (5)

1. a kind of petroleum drilling and mining is combined the unit with expansion tube, including the first expansion tube（1）With the second expansion tube（3）, its feature exists In：First expansion tube（1）With the second expansion tube（3）Right side be mounted on connect inner core（2）, first expansion tube （1）By connecting inner core（2）With the second expansion tube（3）It is connected, the connection inner core（2）Outer wall on wrap up rubber sleeve（4）, First expansion tube（1）With the second expansion tube（3）Outer wall on be equipped with installing hole（6）, first expansion tube（1）With Two expansion tubes（3）Top attachment means are installed（5）, the attachment means（5）Including reinforcing bar（509）, the reinforcing bar （509）The left and right sides be mounted on connect outer container（512）, the connection outer container（512）Inner chamber top stabilizing base is installed （503）, the stabilizing base（503）Bottom elastic component is installed（513）, the elastic component（513）Bottom slip is installed Plate（508）, the sliding panel（508）The left and right sides be mounted on slide rail（514）, the sliding panel（508）With slide rail（514） It is slidably connected, the sliding panel（508）Bottom support bar is installed（507）, the support bar（507）Bottom work is installed Type connecting rod（510）, the drum connecting rod（510）With installing hole（6）Coordinate and be connected, the connection outer container（512）Outer wall On connecting rod is installed（505）, the connecting rod（505）By consolidating block（506）With the first expansion tube（1）With the second expansion tube （3）It is connected.

2. a kind of petroleum drilling and mining according to claim 1 is combined the unit with expansion tube, it is characterised in that：The elastic component （513）With stabilizing base（503）Junction firm bottom is installed（504）.

3. a kind of petroleum drilling and mining according to claim 1 is combined the unit with expansion tube, it is characterised in that：The connecting rod （505）Top fix bar is installed（502）.

4. a kind of petroleum drilling and mining according to claim 1 is combined the unit with expansion tube, it is characterised in that：The support bar （507）With drum connecting rod（510）Junction rubber slab is installed（511）.

5. a kind of petroleum drilling and mining according to claim 1 is combined the unit with expansion tube, it is characterised in that：The reinforcing bar （509）Be connected outer container（512）Junction reinforcement block is installed（501）.