CN207194873U - A kind of high-strength shock absorber - Google Patents

A kind of high-strength shock absorber Download PDF

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Publication number
CN207194873U
CN207194873U CN201720537137.XU CN201720537137U CN207194873U CN 207194873 U CN207194873 U CN 207194873U CN 201720537137 U CN201720537137 U CN 201720537137U CN 207194873 U CN207194873 U CN 207194873U
Authority
CN
China
Prior art keywords
joint sleeve
sleeve
top connection
spring
upper joint
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Fee Related
Application number
CN201720537137.XU
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Chinese (zh)
Inventor
宁世品
韩滔
温馨
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
JEREH ENERGY SERVICES Co Ltd
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JEREH ENERGY SERVICES Co Ltd
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Publication date
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Priority to CN201720537137.XU priority Critical patent/CN207194873U/en
Application granted granted Critical
Publication of CN207194873U publication Critical patent/CN207194873U/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

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Abstract

A kind of high-strength shock absorber is the utility model is related to, it includes top connection, upper joint sleeve, fixture block, adapter sleeve, spring, lower joint sleeve and lower contact；The adapter sleeve is nested with top connection；Upper joint sleeve, adapter sleeve, lower joint sleeve and lower contact are threadedly coupled composition casing assembly successively；Fixture block is arranged on core composed component in the groove of top connection, is the spring toroidal cavity for placing spring between casing assembly and mandrel component；The upper surface of fixture block is bonded with the lower surface of upper joint sleeve to realize that casing assembly and mandrel component are connected.The utility model can not only be suitable for wireline operation and continuous oil pipe operation, and can improve bulk strength and torsional strength, lift integral shock-absorbing ability.

Description

A kind of high-strength shock absorber
Technical field
The utility model is related to oil and natural gas industrial circle, more particularly to it is a kind of be used for cable transmission perforation technique and The high-strength shock absorber of continuous oil pipe operation technique.
Background technology
At present, domestic and international perforating oil gas well cushion technique mature, the dampings such as hydraulic pressure, inflation, gas-liquid combination are formd Technology, the damper of Multiple Type is formd, such as longitudinal damper, radial shock absorber and comprehensive damper.Existing cable Transmission damper uses elongate rod attachment structure, and bulk strength is relatively low；And the existing antitorque structure of pin, anti-twisting property are weak；It is existing There is technology to use compression spring damping, damping effect is limited；It currently there are no the damper suitable for continuous oil pipe operation.
Utility model content
The utility model provides a kind of high-strength shock absorber to solve the above problems, and it can not only be suitable for wireline operation And continuous oil pipe operation, and bulk strength and torsional strength can be improved, lift integral shock-absorbing ability.
To achieve the above object, the utility model is realized in：A kind of high-strength shock absorber, it include top connection, Upper joint sleeve, fixture block, adapter sleeve, spring, lower joint sleeve and lower contact；The adapter sleeve is nested with top connection；Upper joint sleeve, Adapter sleeve, lower joint sleeve and lower contact are threadedly coupled composition casing assembly successively；Fixture block is arranged on composition core in the groove of top connection Shaft assembly, it is the spring toroidal cavity for placing spring between casing assembly and mandrel component；The upper surface of fixture block and upper connection The lower surface of set is bonded to realize that casing assembly is connected with mandrel component.The both ends button-type of the top connection and lower contact is adjustable Whole connection is to realize through hole inside it after reaching dismounting inside cable matable assembly.
Further prioritization scheme is that the top connection, upper joint sleeve, lower joint sleeve and lower contact are equipped with placement seal Seal groove.
Further prioritization scheme is to have multiple damping holes on the adapter sleeve, upper joint sleeve and adapter sleeve, lower joint sleeve and It is that to realize, liquid only passes through in spring toroidal cavity and well for sealed connection between lower contact and lower joint sleeve and top connection The damping hole connection of upper joint sleeve.
Further prioritization scheme is that annular gap is provided between the fixture block and adapter sleeve so that spring toroidal cavity passes through Liquid is ganged up in the damping hole and well of upper joint sleeve.Turned round between the top connection and upper joint sleeve using key connection mode to transmit Square.
Further prioritization scheme is that anti-rotation socket, cable, socket and contact pin component are provided with the top connection；Cable Both ends are connected with anti-rotation socket, socket respectively, and socket and contact pin component are consecutively connected to lower contact, and socket passes through top connection endoporus It is connected with contact pin component.
For prior art, the utility model has advantages below：
(1) high-strength shock absorber both ends described in the utility model button-type and inside cable matable assembly can adjust, and be adapted to In wireline operation and continuous oil pipe operation.
(2) the utility model uses fixture block and tube-in-tube structure, and bulk strength is high, and torsional strength is high.
(3) the utility model can realize two kinds of machinery, hydraulic pressure damping modes compound actions, damping effect enhancing, and damping Load adjustable section.
(4) the utility model can by change spring species, combining form and change upper joint sleeve on damp hole number and Size, to adjust damping effect.
Brief description of the drawings
The utility model is further described in conjunction with the embodiments with reference to the accompanying drawings.
Fig. 1 is the overall structure diagram of the utility model high-strength shock absorber.
Symbol description in figure：1st, top connection；2nd, upper joint sleeve；3rd, fixture block；4th, adapter sleeve；5th, spring；6th, lower joint sleeve；7、 Lower contact；8th, anti-rotation socket；9th, cable；10th, seal；11st, seal；12nd, socket；13rd, insulation sleeve；14th, contact pin component； 15th, seal；101st, cable inner chamber is worn；102nd, spring toroidal cavity.
Embodiment
Specific embodiment is as follows：
Refer to shown in Fig. 1, a kind of high-strength shock absorber, it include top connection 1, upper joint sleeve 2, fixture block 3, adapter sleeve 4, Spring 5, lower joint sleeve 6 and lower contact 7；The adapter sleeve 2 is nested with top connection 1；Upper joint sleeve 2, adapter sleeve 4, lower connection Set 6 and lower contact 7 are threadedly coupled composition casing assembly successively；Fixture block 3 is arranged on core composed component in the groove of top connection 1, outside It is the spring toroidal cavity 102 for placing spring 5 between shell component and mandrel component；The upper surface of fixture block 3 and upper joint sleeve 2 Lower surface is bonded to realize that casing assembly is connected with mandrel component；The both ends button-type of the top connection 1 and lower contact 7 can adjust Connection is to realize through hole inside it after reaching dismounting inside cable matable assembly.The top connection 1, upper joint sleeve 2, lower joint sleeve 6 and lower contact 7 be equipped with place seal seal groove.There are multiple damping holes, the He of upper joint sleeve 2 on the adapter sleeve 2 It is sealed connection between adapter sleeve 4, lower joint sleeve 6 and lower contact 7 and lower joint sleeve 6 and top connection 1 to realize ring spring Shape cavity 102 is only connected with liquid in well by the damping hole of upper joint sleeve 2.Annular is provided between the fixture block 3 and adapter sleeve 4 Gap is so that liquid is ganged up in the damping hole and well that spring toroidal cavity 102 passes through upper joint sleeve 2.The top connection 1 and upper company Moment of torsion is transmitted using key connection mode between female connector 2.Anti-rotation socket 8, cable 9, the and of socket 12 are installed in the top connection 1 Contact pin component 14；The both ends of cable 9 are connected with anti-rotation socket 8, socket 12 respectively, and socket 12 and contact pin component 14 are consecutively connected to down Joint 7, socket 12 are connected through the endoporus of top connection 1 with contact pin component 14.
Specific embodiment of the present utility model is as follows：As shown in figure 1, the utility model high-strength shock absorber includes above connecing First 1, upper joint sleeve 2, fixture block 3, adapter sleeve 4, spring 5, lower joint sleeve 6, lower contact 7, anti-rotation socket 8, cable 9, seal 10, Seal 11, socket 12, insulation sleeve 13, contact pin component 14, wear cable inner chamber 101, spring toroidal cavity 102.It is wherein upper to connect Set 2, adapter sleeve 4, lower joint sleeve 6 and lower contact 7 are threadedly coupled composition casing assembly successively；Fixture block 3 is arranged on the groove of top connection 1 Interior core composed component, two inter-modules are that spring toroidal cavity 102 is used to place spring 5, the upper surface of fixture block 3 and upper joint sleeve 2 lower surface is bonded, is spacing, realizes that two components connect.Top connection 1, upper joint sleeve 2, lower joint sleeve 6, lower contact 7 have sealing Part groove is used to place seal 10, seal 11 and seal 15.Upper joint sleeve 2 and adapter sleeve 4, lower joint sleeve 6 and under connect First 7, lower joint sleeve 6 and top connection 1 are respectively cooperating with sealing and realize that spring toroidal cavity 102 and borehole fluid only pass through upper joint sleeve 2 damping hole connection, and wear cable inner chamber 101 and seal.Can using key connection mode between top connection 1 and upper joint sleeve (2) Transmit moment of torsion；In addition, there is annular gap to make resistance of the spring toroidal cavity 102 by upper joint sleeve 2 between fixture block 3 and adapter sleeve 4 Buddhist nun hole is ganged up with liquid in well.Socket 12 is consecutively connected to lower contact 7 with contact pin component 14, and the both ends of cable 9 are inserted with anti-rotation respectively Seat 8, socket 12 are connected, and socket 12 is connected through the endoporus of top connection 1 with contact pin component 14, and anti-rotation socket 8 is arranged on top connection 1 It is interior.
The operation principle of the utility model high-strength shock absorber is as follows：First before well is entered, it can be passed through according to handling situations Change the species of spring 5, combining form and change and hole number and size, adjustable damping effect are damped on upper joint sleeve 2.Work as damping Device is connected in tool string when entering well, and liquid passes through between the damping hole on upper joint sleeve 2 and fixture block 3 and adapter sleeve 4 in well Annular gap fills spring toroidal cavity 102.When damper bottom is impacted, lower tool transmission is impacted to lower contact 7, Lower contact 7 integrally moves up with the casing assembly for upper joint sleeve 2, adapter sleeve 4, lower joint sleeve 6 composition being connected, and compresses bullet Spring, impulsive force is absorbed, realizes mechanical shock absorption；Liquid in compression spring toroidal cavity 102 simultaneously, liquid is by fixture block 3 with being connected Annular gap between set 4 and the damping hole outflow on upper joint sleeve 2, produce throttling buffering, realize hydraulic shock reduction, two kinds subtract Shake mode absorbs impulsive force jointly, avoids upper tool string by strong impact force.After upward impact terminates, tool string integrally returns Fall, damper Tensile, the volume of spring toroidal cavity 102 increase, liquid passes through the damping hole on upper joint sleeve 2 and fixture block 3 Annular gap between adapter sleeve 4 enters spring toroidal cavity 102, produces throttling buffering, realizes hydraulic shock reduction, avoid instrument String is by strong impact force.When damper top is impacted, upper tool transmission is impacted to top connection 1, top connection 1 and fixture block 3 The mandrel component of composition integrally moves down, compression spring, absorbs impulsive force, realizes mechanical shock absorption；Meanwhile compression spring annular Liquid in cavity 102, liquid pass through the annular gap between fixture block 3 and adapter sleeve 4 and the damping hole stream on upper joint sleeve 2 Go out, produce throttling buffering, realize hydraulic shock reduction, two kinds of damping modes absorb impulsive force, avoid lower tool string from being rushed by force jointly Hit power.
Described above is only preferred embodiment of the present utility model, and the scope of protection of the utility model is not limited merely to Above-described embodiment, all technical schemes belonged under the utility model thinking belong to the scope of protection of the utility model.It should refer to Go out, for those skilled in the art, some improvement under the premise of the utility model principle is not departed from and Retouching, these improvements and modifications also should be regarded as the scope of protection of the utility model.

Claims (6)

  1. A kind of 1. high-strength shock absorber, it is characterised in that：It includes top connection (1), upper joint sleeve (2), fixture block (3), adapter sleeve (4), spring (5), lower joint sleeve (6) and lower contact (7)；The adapter sleeve (2) is nested with top connection (1)；Upper joint sleeve (2), adapter sleeve (4), lower joint sleeve (6) and lower contact (7) are threadedly coupled composition casing assembly successively, and fixture block (3) is arranged on upper Core composed component in the groove of joint (1), it is the spring toroidal cavity for placing spring (5) between casing assembly and mandrel component (102)；The upper surface of the fixture block (3) is bonded with the lower surface of upper joint sleeve (2) to realize casing assembly and mandrel component phase After the adjustable connection of the both ends button-type of connection, the top connection (1) and lower contact (7) is to reach dismounting inside cable matable assembly Through hole is realized inside it.
  2. 2. high-strength shock absorber according to claim 1, it is characterised in that：The top connection (1), upper joint sleeve (2), under Adapter sleeve (6) and lower contact (7) are equipped with the seal groove for placing seal.
  3. 3. high-strength shock absorber according to claim 2, it is characterised in that：The adapter sleeve (2) is provided with multiple dampings Hole, upper joint sleeve (2) and adapter sleeve (4), lower joint sleeve (6) and lower contact (7) and lower joint sleeve (6) and top connection (1) it Between be sealed connection to realize that spring toroidal cavity (102) is only connected with liquid in well by the damping hole of upper joint sleeve (2).
  4. 4. high-strength shock absorber according to claim 3, it is characterised in that：Set between the fixture block (3) and adapter sleeve (4) There is annular gap so that liquid is ganged up in the damping hole and well that spring toroidal cavity (102) passes through upper joint sleeve (2).
  5. 5. according to any described high-strength shock absorbers of claim 1-4, it is characterised in that：The top connection (1) and upper connection Moment of torsion is transmitted using key connection mode between set (2).
  6. 6. high-strength shock absorber according to claim 5, it is characterised in that：Anti-rotation is installed in the top connection (1) to insert Seat (8), cable (9), socket (12) and contact pin component (14)；Cable (9) both ends connect with anti-rotation socket (8), socket (12) respectively Connect, socket (12) and contact pin component (14) are consecutively connected to lower contact (7), and socket (12) passes through top connection (1) endoporus and contact pin Component (14) connects.
CN201720537137.XU 2017-05-12 2017-05-12 A kind of high-strength shock absorber Expired - Fee Related CN207194873U (en)

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Application Number Priority Date Filing Date Title
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