CN206816238U - A kind of igniting cabin for high pressure bridging plug setting tool - Google Patents

A kind of igniting cabin for high pressure bridging plug setting tool Download PDF

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Publication number
CN206816238U
CN206816238U CN201720356227.9U CN201720356227U CN206816238U CN 206816238 U CN206816238 U CN 206816238U CN 201720356227 U CN201720356227 U CN 201720356227U CN 206816238 U CN206816238 U CN 206816238U
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CN
China
Prior art keywords
cabin
ignition
igniting
high pressure
seal
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Active
Application number
CN201720356227.9U
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Chinese (zh)
Inventor
赵开良
王培禹
彭昕
宋宁
王明贵
刘兵
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.)
Zhongyuan Measurement And Control Co Of Sinopec Jingwei Co ltd
Sinopec Oilfield Service Corp
Sinopec Zhongyuan Petroleum Engineering Co Ltd
Sinopec Jingwei Co Ltd
Original Assignee
Central Plains Geophysical Log Co Of Petroleum Works Co Ltd Of China Petrochemical Industry
Sinopec Oilfield Service Corp
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Application filed by Central Plains Geophysical Log Co Of Petroleum Works Co Ltd Of China Petrochemical Industry, Sinopec Oilfield Service Corp filed Critical Central Plains Geophysical Log Co Of Petroleum Works Co Ltd Of China Petrochemical Industry
Priority to CN201720356227.9U priority Critical patent/CN206816238U/en
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Publication of CN206816238U publication Critical patent/CN206816238U/en
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Abstract

The utility model discloses a kind of igniting cabin for high pressure bridging plug setting tool, structure is divided into agent structure, inner seal structure, conducting structure, ignition structure by function.Agent structure is made up of lighter body, is designed five sealing rings, front end three, rear end twice, as outer seal configuration, is prevented the entrance of external pressure;The inner seal structure that agent structure is carried is divided into two-stage:First order inner seal structure is to be pressed on ignition tube and the sealing ring at the contact face of ignition cabin, prevents the part that high pressure caused by burning enters more than ignition tube in ignition cabin;Second level inner seal structure is at lighter body upper end, and by twice inside seal circle, the mechanical single seal circle with together with is formed high pressure sealing contact pin, and after preventing first order inner seal structure from failing, pressure caused by the burning of ignition cabin priming system enters in the perforator of top;After preventing perforator from perforating simultaneously, well liquid pressure enters.This programme can improve the heat resisting and pressure resisting technical indicator in igniting cabin, meet construction requirement.

Description

A kind of igniting cabin for high pressure bridging plug setting tool
Technical field
A kind of igniting cabin for high pressure bridging plug setting tool is the utility model is related to, belongs to petroleum natural gas exploration Middle electric cable bridge plug technical field.
Background technology
Bridging plug sub-clustering perforation combination operation process construction technology is pumped, is the important step of shale gas well development.The technology is page During rock gas staged fracturing of horizontal well, using a kind of combined tech, instrument tool is once gone into the well, to the stratum bridge of pressure break Capable closure is filled in, while perforating job is carried out to next fractured interval.With the development of shale gas exploitation, shale gas well is increasingly It is deep, caused operation pressure, downhole temperature increase, cause the technology difficulty of construction increasing.
Wherein one of key technology, it is that bridging plug reliably sets closure.It is to utilize bridging plug setting tool that bridging plug, which is set, by bridge Powder burning work done is filled in complete to set closure.There are two aspect problems than more prominent at present:The increasingly increased deep-well of one side, surpass Igniting cabin under the high temperature and high pressure environment of deep-well to bridging plug setting tool proposes very high heatproof, especially pressure-resistant requirement, point Firearm accessory technical indicator gradually no longer meets;Another aspect high pressure setting tool igniter accessory stills need import, and price is held high Expensive, delivery cycle is very long, it is difficult to meets construction speed requirement.
Therefore, it is necessary to which a kind of igniting cabin for high pressure bridging plug setting tool solves the above problems.
Utility model content
In view of this, the utility model is directed to the characteristics of underground construction pressure is high, the igniting cabin heatproof of bridging plug setting tool The problem of pressure-resistant technical indicator is relatively low, design a kind of igniting cabin for high pressure bridging plug setting tool.
To achieve the above object, the utility model provides following technical scheme:
A kind of igniting cabin for high pressure bridging plug setting tool,
Including:Inner seal structure, conducting structure and the ignition structure of agent structure and carrying thereon;
The ignition structure includes ignition tube and ignition cabin;
The inner seal structure includes first order inner seal structure, and the first order inner seal structure includes:It is arranged on institute The end-face seal ring in seal groove between ignition tube and the ignition cabin is stated, and the end-face seal ring is pressed on institute by pressure cap State in seal groove.
Preferably, the inner seal structure also includes second level inner seal structure, and the second level inner seal structure includes High pressure sealing contact pin, the high pressure sealing contact pin have inside seal circle and/or mechanical single seal circle.
Preferably, the high pressure sealing contact pin has twice inside seal circle mechanical single seal circle with together with.
Preferably, the agent structure includes lighter body, and the lighter body has outer seal configuration, described outer Sealing structure includes being arranged at the sealing ring that the lighter body front end is used to coordinate with perforator, and/or is arranged at described Lighter body rear end is used for the sealing ring coordinated with bridging plug setting tool.
Preferably, the outer seal configuration includes three forward end seal circles and twice back-end sealing circle.
Preferably, the lighter body material is high strength steel 42CrMo.
Preferably, the conducting structure includes jack, connecting line, retaining ring, spring, insulation sleeve and copper core;
One end of the connecting line and jack locking, the other end are welded in the copper core, the copper core, spring and absolutely Edge set is fitted into the pressure cap, and it is spacing with the retaining ring to carry out retaining.
Preferably, after the completion of assembling, the amount of spring compression is more than 4mm.
Preferably, the copper core is gold-plated at the taper position contacted with the ignition tube.
Preferably, the insulation sleeve and the copper core gap coordinate.
It can be seen from the above technical scheme that the igniting provided by the utility model for high pressure bridging plug setting tool Cabin, there is first order inner seal structure, by pressure cap, ignition tube, end-face seal ring and ignition lock pressure tight fit, make end-face seal ring Sealing function is played, prevents the part that high pressure caused by burning enters more than ignition tube in ignition cabin, to improve the resistance to of cabin of lighting a fire Technical indicator that temperature is pressure-resistant, meets construction requirement.
Brief description of the drawings
, below will be to embodiment in order to illustrate more clearly of the utility model embodiment or technical scheme of the prior art Or the required accompanying drawing used is briefly described in description of the prior art, it should be apparent that, drawings in the following description are only It is some embodiments of the utility model, for those of ordinary skill in the art, is not paying the premise of creative work Under, other accompanying drawings can also be obtained according to these accompanying drawings.
Fig. 1 is the structural representation in the igniting cabin for being used for high pressure bridging plug setting tool that the utility model embodiment provides.
Wherein, 1-igniter body, 2-high pressure sealing contact pin, 3-jack, 4-connecting line, 5-retaining ring, 6-bullet Spring, 7-insulation sleeve, 8-copper core, 9-pressure cap, 10-ignition tube, 11-end-face seal ring, 12-ignition cabin.
Embodiment
The utility model discloses a kind of igniting cabin for high pressure bridging plug setting tool, solving its index can not meet to apply The problem of work requirement.
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.
The igniting cabin for high pressure bridging plug setting tool that the utility model embodiment provides, its core improvement is, Including:Inner seal structure, conducting structure and the ignition structure of agent structure and carrying thereon;
Wherein, ignition structure includes ignition tube 10 and ignition cabin 12;
Foregoing inner seal structure includes first order inner seal structure, and the first order inner seal structure includes:It is arranged on ignition End-face seal ring 11 between pipe 10 and ignition cabin 12 in seal groove, and end-face seal ring 11 is pressed on seal groove by pressure cap 9 It is interior;Its structure is referred to shown in Fig. 1, and end-face seal ring 11 can be specially to be arranged in the groove of the inwall of ignition cabin 12, with hair The outer wall of fire tube 10 coordinates.
It can be seen from the above technical scheme that the utility model embodiment provide be used for high pressure bridging plug setting tool Light a fire cabin, there is first order inner seal structure, by pressure cap 9, ignition tube 10, end-face seal ring 11 and the compression fit of ignition cabin 12, End-face seal ring 11 is played sealing function, prevent that high pressure enters the portion of ignition tube more than 10 caused by burning in ignition cabin 12 Point, to improve the heat resisting and pressure resisting technical indicator in cabin of lighting a fire, meet construction requirement.
Agent structure includes lighter body 1, makees have the effect of forming a connecting link in instrument in pumping bridging plug sub-clustering perforation connection, preceding End connection perforator, rear end connection bridging plug setting tool.
In order to further optimize above-mentioned technical scheme, inner seal structure also includes second level inner seal structure, and this second Level inner seal structure is arranged on the upper end of lighter body 1 and (is used to connect perforator) place, including high pressure sealing contact pin 2, igniter Main body 1 is used cooperatively with high pressure sealing contact pin 2, and the high pressure sealing contact pin 2 has inside seal circle and/or mechanical single seal Circle.Second level inner seal structure is act as:After preventing first order inner seal structure from failing, the burning of the priming system of ignition cabin 12 produces Pressure enter top perforator in;After preventing perforator from perforating simultaneously, well liquid pressure enters this igniting cabin.
Specifically, high pressure sealing contact pin 2 has twice inside seal circle mechanical single seal circle with together with.Its structure can be with Shown in reference picture 1, inside seal circle is arranged between the outer wall of high pressure sealing contact pin 2 and the inwall of lighter body 1, and single end face is close Seal is arranged between the lower surface of high pressure sealing contact pin 2 and conducting structure, is specially to match somebody with somebody with the upper surface of jack 3 therein herein Close.This programme can realize two way seal using the high pressure sealing contact pin 2 of above-mentioned design, and can reach two-way pressure-resistant 140Mpa。
Agent structure includes lighter body 1, and the front end button-type of lighter body 1 and perforator are supporting, lower end button-type and Bridging plug setting tool is supporting.In order to further optimize above-mentioned technical scheme, lighter body 1 has outer seal configuration, and this is outer Sealing structure includes being arranged at the sealing ring that the front end of lighter body 1 is used to coordinate with perforator, and/or is arranged at igniter master The rear end of body 1 is used for the sealing ring coordinated with bridging plug setting tool, to prevent the entrance of outer well hydraulic coupling.
In the specific embodiment that this programme provides, outer seal configuration includes three forward end seal circles and twice back-end sealing Circle.Its structure is referred to shown in Fig. 1, is designed with five sealing rings in the structure of lighter body 1, front end three, rear end twice, As outer seal configuration, high pressure is held more than 140MPa.
Certainly, on inner seal structure (including the first order and second level) and the specific design form of outer seal configuration, than Such as type and quantity, those skilled in the art can also be adjusted correspondingly according to actual conditions, will not be repeated here.
Preferably, the material of lighter body 1 is high strength steel 42CrMo, to meet high-pressure high-temperature environment.
Conducting structure includes jack 3, connecting line 4, retaining ring 5, spring 6, insulation sleeve 7 and copper core 8;
One end of connecting line 4 and jack 3 are locked, and the other end is welded in copper core 8, and copper core 8, spring 6 and insulation sleeve 7 load pressure In cap 9, and it is spacing with retaining ring 5 to carry out retaining.Its structure is referred to shown in Fig. 1, and the front end of connecting line 4 is locked on jack 3, Top high pressure sealing contact pin 2 is connected by jack 3;The lower end of connecting line 4 is welded in copper core 8, by Fig. 1 Standards, makes copper core 8 tight Contiguity is touched and is connected on ignition tube 10.Ground signal is passed to ignition tube 10 by conducting structure, plays controllable ignition effect.
Specifically, after the completion of assembling, the decrement of spring 6 more than 4mm, with provide it is enough do and active force, ensure copper The close contact of core 8 and fire tube 10.
In order to further optimize above-mentioned technical scheme, copper core 8 is gold-plated at the taper position contacted with ignition tube 10, so as to Ensure the absolute good of electric conductivity.
Preferably, insulation sleeve 7 and the gap of copper core 8 being disposed therein coordinate.Certain interval makes copper core 8 in insulation sleeve 7 Activity is smooth in interior reserved stroke range.Pressure cap 9 polishes smooth with the contact portion of ignition tube 10, ensures the shell of ignition tube 10 Turned on well with pressure cap 9.
This programme is described further with reference to specific embodiment:
Igniting cabin provided by the utility model for high pressure bridging plug setting tool, by lighter body 1, ignition cabin 12, Pressure cap 9, high pressure sealing contact pin 2, end-face seal ring 11, jack 3, connecting line 4, retaining ring 5, spring 6, insulation sleeve 7, copper core 8, hair Fire tube 10 forms.Its structure is divided into four most of, respectively agent structure, inner seal structure, conducting structure, ignitions by function Structure.
Agent structure is made up of lighter body 1, designs five sealing rings, front end three, rear end twice, as external seal Structure, prevent the entrance of outer well hydraulic coupling;Agent structure makees have work of forming a connecting link in instrument in pumping bridging plug sub-clustering perforation connection With, front end connection perforator, rear end connection bridging plug setting tool;Agent structure carries the conducting structure and interior needed for igniting Sealing structure and ignition structure.
Inner seal structure is divided into two-stage.First order inner seal structure in the end that ignition tube 10 contacts with ignition cabin 12, By pressure cap 9, ignition tube 10, end-face seal ring 11, ignition cabin 12 tight fit, end-face seal ring 11 is played sealing function.It is anti- Only high pressure enters the part of ignition tube more than 10 caused by burning in ignition cabin 12;Second level inner seal structure is in lighter body At 1 upper end, lighter body 1 is used cooperatively with high pressure sealing contact pin 2, high pressure sealing contact pin 2 by twice inside seal circle and One of mechanical single seal circle is formed, after preventing first order inner seal structure from failing, pressure caused by the burning of the priming system of ignition cabin 12 Into in the perforator of top;After preventing perforator from perforating simultaneously, prevent well liquid pressure from entering the utility model.
Conducting structure is made up of jack 3, connecting line 4, retaining ring 5, spring 6, insulation sleeve 7, copper core 8, and conducting structure is by ground Face signal passes to ignition tube 10, plays controllable ignition effect.Connection line front end is locked on jack, and it is high to connect top by jack Means of press seals contact pin;Connecting line lower end is welded in copper core, by Fig. 1 Standards, is in close contact copper core and is connected on ignition tube.
Igniting cabin provided by the utility model for high pressure bridging plug setting tool, assembling are carried out according to the following steps:First, One end of connecting line in conducting structure 4 and jack 3 are locked, the other end is welded on copper core 8 and welds cup portion position, by copper core 8, spring 6, Insulation sleeve 7 is fitted into pressure cap 9 by diagram, and it is spacing with retaining ring 5 to carry out retaining.Then, ignition tube 10 and ignition cabin 12 it Between end-face seal ring 11 is placed in seal groove, and pressure cap 9 and the upper end of ignition cabin 12 are tightened by screw thread, then the cabin that will be under fire 12 are connected with igniter body 1.Finally, after high pressure sealing contact pin 2 docks with jack 3, high pressure sealing contact pin 2 is assembled to a little In firearm main body 1.
Each embodiment is described by the way of progressive in this specification, what each embodiment stressed be and other The difference of embodiment, between each embodiment identical similar portion mutually referring to.
The foregoing description of the disclosed embodiments, professional and technical personnel in the field are enable to realize or new using this practicality Type.A variety of modifications to these embodiments will be apparent for those skilled in the art, determine herein The General Principle of justice can be realized in other embodiments in the case where not departing from spirit or scope of the present utility model.Cause This, the utility model is not intended to be limited to the embodiments shown herein, and is to fit to and principles disclosed herein The most wide scope consistent with features of novelty.

Claims (10)

  1. A kind of 1. igniting cabin for high pressure bridging plug setting tool, it is characterised in that
    Including:Inner seal structure, conducting structure and the ignition structure of agent structure and carrying thereon;
    The ignition structure includes ignition tube (10) and ignition cabin (12);
    The inner seal structure includes first order inner seal structure, and the first order inner seal structure includes:It is arranged on the hair End-face seal ring (11) between fire tube (10) and the ignition cabin (12) in seal groove, and the end-face seal ring (11) passes through Pressure cap (9) is pressed in the seal groove.
  2. 2. igniting cabin according to claim 1, it is characterised in that the inner seal structure also includes second level interior sealing knot Structure, the second level inner seal structure include high pressure sealing contact pin (2), and the high pressure sealing contact pin (2) has inside seal Circle and/or mechanical single seal circle.
  3. 3. igniting cabin according to claim 2, it is characterised in that the high pressure sealing contact pin (2) has twice built-in type Sealing ring mechanical single seal circle with together with.
  4. 4. igniting cabin according to claim 1, it is characterised in that the agent structure includes lighter body (1), described Lighter body (1) has outer seal configuration, and the outer seal configuration is used for including being arranged at the lighter body (1) front end The sealing ring coordinated with perforator, and/or be arranged at the lighter body (1) rear end and be used for what is coordinated with bridging plug setting tool Sealing ring.
  5. 5. igniting cabin according to claim 4, it is characterised in that the outer seal configuration include three forward end seal circles and Twice back-end sealing circle.
  6. 6. igniting cabin according to claim 4, it is characterised in that lighter body (1) material is high strength steel 42CrMo。
  7. 7. according to the igniting cabin described in claim 1-6 any one, it is characterised in that the conducting structure include jack (3), Connecting line (4), retaining ring (5), spring (6), insulation sleeve (7) and copper core (8);
    One end of the connecting line (4) and the jack (3) locking, the other end are welded in the copper core (8), the copper core (8), Spring (6) and insulation sleeve (7) are fitted into the pressure cap (9), and it is spacing with the retaining ring (5) to carry out retaining.
  8. 8. igniting cabin according to claim 7, it is characterised in that after the completion of assembling, spring (6) decrement exceedes 4mm。
  9. 9. igniting cabin according to claim 7, it is characterised in that the copper core (8) contacts with the ignition tube (10) Taper position it is gold-plated.
  10. 10. igniting cabin according to claim 7, it is characterised in that the insulation sleeve (7) and the copper core (8) gap are matched somebody with somebody Close.
CN201720356227.9U 2017-04-06 2017-04-06 A kind of igniting cabin for high pressure bridging plug setting tool Active CN206816238U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201720356227.9U CN206816238U (en) 2017-04-06 2017-04-06 A kind of igniting cabin for high pressure bridging plug setting tool

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201720356227.9U CN206816238U (en) 2017-04-06 2017-04-06 A kind of igniting cabin for high pressure bridging plug setting tool

Publications (1)

Publication Number Publication Date
CN206816238U true CN206816238U (en) 2017-12-29

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Application Number Title Priority Date Filing Date
CN201720356227.9U Active CN206816238U (en) 2017-04-06 2017-04-06 A kind of igniting cabin for high pressure bridging plug setting tool

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108131108A (en) * 2018-01-31 2018-06-08 中国石油天然气股份有限公司 A kind of detonator starts hydraulic setting tool and its application
CN108999598A (en) * 2018-09-29 2018-12-14 西安物华巨能爆破器材有限责任公司 A kind of perforating oil gas well electric igniter

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108131108A (en) * 2018-01-31 2018-06-08 中国石油天然气股份有限公司 A kind of detonator starts hydraulic setting tool and its application
CN108999598A (en) * 2018-09-29 2018-12-14 西安物华巨能爆破器材有限责任公司 A kind of perforating oil gas well electric igniter
CN108999598B (en) * 2018-09-29 2023-10-31 物华能源科技有限公司 Electric igniter for perforation of oil and gas well

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Legal Events

Date Code Title Description
GR01 Patent grant
GR01 Patent grant
TR01 Transfer of patent right
TR01 Transfer of patent right

Effective date of registration: 20180730

Address after: 100028 Chaoyang District, Beijing Hui Xin Street six, Twelfth level.

Co-patentee after: Central Plains geophysical log company of petroleum works Co., Ltd of China Petrochemical Industry

Patentee after: SINOPEC OILFIELD SERVICE CORPORATION

Co-patentee after: SINOPEC ZHONGYUAN PETROLEUM ENGINEERING CO., LTD.

Address before: 100028 Chaoyang District, Beijing Hui Xin Street 6, Twelfth level.

Co-patentee before: Central Plains geophysical log company of petroleum works Co., Ltd of China Petrochemical Industry

Patentee before: SINOPEC OILFIELD SERVICE CORPORATION

TR01 Transfer of patent right
TR01 Transfer of patent right

Effective date of registration: 20220215

Address after: 100028 Chaoyang District, Beijing Hui Xin Street 6, Twelfth level.

Patentee after: SINOPEC OILFIELD SERVICE Corp.

Patentee after: Sinopec Jingwei Co.,Ltd.

Patentee after: SINOPEC ZHONGYUAN PETROLEUM ENGINEERING Co.,Ltd.

Patentee after: Zhongyuan measurement and control company of Sinopec Jingwei Co.,Ltd.

Address before: 100028 Chaoyang District, Beijing Hui Xin Street six, Twelfth level.

Patentee before: SINOPEC OILFIELD SERVICE Corp.

Patentee before: PHYSICAL GEOGRAPHY LOGGING COMPANY OF SINOPEC ZHONGYUAN PETROLEUM ENGINEERING CO.,LTD.

Patentee before: SINOPEC ZHONGYUAN PETROLEUM ENGINEERING Co.,Ltd.