CN106223944A - Modular coring rifle - Google Patents

Modular coring rifle Download PDF

Info

Publication number
CN106223944A
CN106223944A CN201610741607.4A CN201610741607A CN106223944A CN 106223944 A CN106223944 A CN 106223944A CN 201610741607 A CN201610741607 A CN 201610741607A CN 106223944 A CN106223944 A CN 106223944A
Authority
CN
China
Prior art keywords
igniter head
modular
assembly
wiring assembly
set screw
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.)
Granted
Application number
CN201610741607.4A
Other languages
Chinese (zh)
Other versions
CN106223944B (en
Inventor
谢光辉
郭运
嵇成高
张崇军
尹宏志
成桂霞
韩明明
田稳红
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.)
SHENYANG XINJIN FINE INSTRUMENT INSTRUMENT INSTITUTE
China Petroleum and Natural Gas Co Ltd
China Petroleum Logging Co Ltd
Original Assignee
CNPC Bohai Drilling Engineering Co Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by CNPC Bohai Drilling Engineering Co Ltd filed Critical CNPC Bohai Drilling Engineering Co Ltd
Priority to CN201610741607.4A priority Critical patent/CN106223944B/en
Publication of CN106223944A publication Critical patent/CN106223944A/en
Application granted granted Critical
Publication of CN106223944B publication Critical patent/CN106223944B/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • EFIXED CONSTRUCTIONS
    • E21EARTH OR ROCK DRILLING; MINING
    • E21BEARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
    • E21B49/00Testing the nature of borehole walls; Formation testing; Methods or apparatus for obtaining samples of soil or well fluids, specially adapted to earth drilling or wells
    • E21B49/02Testing the nature of borehole walls; Formation testing; Methods or apparatus for obtaining samples of soil or well fluids, specially adapted to earth drilling or wells by mechanically taking samples of the soil
    • E21B49/04Testing the nature of borehole walls; Formation testing; Methods or apparatus for obtaining samples of soil or well fluids, specially adapted to earth drilling or wells by mechanically taking samples of the soil using explosives in boreholes; using projectiles penetrating the wall
    • EFIXED CONSTRUCTIONS
    • E21EARTH OR ROCK DRILLING; MINING
    • E21BEARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
    • E21B25/00Apparatus for obtaining or removing undisturbed cores, e.g. core barrels or core extractors

Landscapes

  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Geology (AREA)
  • Mining & Mineral Resources (AREA)
  • Physics & Mathematics (AREA)
  • Environmental & Geological Engineering (AREA)
  • Fluid Mechanics (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Geochemistry & Mineralogy (AREA)
  • Soil Sciences (AREA)
  • Geophysics And Detection Of Objects (AREA)

Abstract

The invention discloses a kind of modular coring rifle, it includes gun main body, wiring assembly, igniter head assembly, pressure-bearing plug, set screw, lower chamber, upper cavity and all kinds of connection, fixing, black box, wiring assembly, the modularity of igniter head assembly, decrease the signal attenuation or interruption caused because of loose contact in signal of telecommunication transmitting procedure to greatest extent, greatly improve the stability of coring rifle, safety.Overall structure of the present invention is simple, utility model and technically reliable, it is adaptable to exploration logging core work.

Description

Modular coring rifle
Technical field
The present invention relates to the coring instrument of a kind of geophysical exploration logger technical field, especially a kind of modular Coring rifle.
Background technology
The side-wall coring equipment being currently mainly used is explosion type coring rifle, after using every time, and the high temperature produced because of blast The impact of high pressure so that it is built-in electrical insulation pad deforms, and causes coring rifle igniter head to contact bad with ignition lead.After using every time, Coring rifle igniter head fastened with ignition lead, maintains, to change insulation spacer, coring rifle igniter head, sealing ring etc..Because Its structure is complicated, workload is big, maintenance cost is high, can not meet production needs.
Summary of the invention
The technical problem to be solved in the present invention is to provide one and can precisely obtain formation core sample, analyze formation lithology Modular coring rifle.
In order to solve above-mentioned technical problem, the present invention include gun main body, wiring assembly, multiple igniter head assembly, union joint, Joint, pressure-bearing plug, set screw, lower chamber, trip nonyl, plug, upper cavity and helmet, described helmet, upper cavity, joint, company Joint, gun main body and lower chamber pass sequentially through screw thread and are tightly connected, and described lower chamber and plug are tightly connected by described trip nonyl, Being provided with described pressure-bearing plug between described union joint and joint, described gun main body is internally installed has wiring assembly and by location Screw positions and fixes, and multiple described igniter head assembly one_to_one corresponding are placed on described gun main body the multiple stepped hole formed In, and multiple described igniter head assembly is connected with wiring assembly respectively, described wiring assembly passes through wire and is connected with pressure-bearing plug.
Described gun main body is an oval body, the side of this gun main body scabble and have multiple be uniformly arranged stepped Hole and two set screw hole, opened a long special-shaped groove, the quantity of described stepped hole and igniter head assembly inside opposite side Quantity consistent, igniter head assembly, the blasting charge and rock core bucket are installed in described stepped hole, described wiring assembly is inserted into length Fix in special-shaped groove and by the connection location of set screw with set screw hole.
Described igniter head assembly includes that igniter head contact, insulation spacer, first igniter head seal, second point duration and degree of heating seal Body, abnormity High-Voltage Insulation pad and igniter head connect male, and described igniter head contact is a small cylinder, described felt pad Sheet, first igniter head seal, second point duration and degree of heating seal and abnormity High-Voltage Insulation pad are sleeved on igniting the most successively On head contact, described igniter head connects male and is connected to the bottom of igniter head contact.
Described abnormity High-Voltage Insulation pad uses PK material to be made through high temperature, high pressure.
Described igniter head connects the contact pin that male is a pintongs band cup head.
Described first igniter head seal and second point duration and degree of heating seal all include cylinder and overcoat on the cylinder O-ring seal.
Described wiring assembly includes that wiring assembly skeleton and multiple connection female, described wiring assembly skeleton are a block length bar Shape iron plate, this wiring assembly skeleton has multiple square hole being uniformly arranged and two circular holes, and described square hole quantity is with stepped The quantity in hole is consistent and both one_to_one corresponding are arranged, two described circular holes and two described set screw hole one_to_one corresponding settings with Being easy to the installation of set screw, axis both sides, described wiring assembly skeleton upper end are respectively formed with one for the wire of conducting wire Groove, is separately installed with a connection female in each described square hole, described connection female uses PK insulated with material block to make and middle Punching, inlays gold-plated copper pipe in hole, and the internal diameter of described copper pipe connects the diameter of male less than igniter head, to ensure igniter head Connecting contact when male inserts the copper pipe connecting female good, the outside of described copper pipe is welded with wire, and wire also with hold Pressure plug connects.
The invention has the beneficial effects as follows: the modular coring rifle of the present invention reaches various to aspects such as oil, Di Kuang, water detections Formation sampling, the requirement of core work, it is possible to precisely obtain formation core sample, analyze formation lithology.And the mould of the present invention Block formula coring rifle devises new agent structure, modular construction, solves the insulation spacer within existing coring rifle and is easily deformed, Coring rifle igniter head is caused to contact problem of poor with ignition lead.Additionally the modular coring rifle of the present invention has simple in construction, dimension Repairing convenient feature, it is possible to decrease maintenance cost more than 90%, workload reduces by more than 95%.
Accompanying drawing explanation
Fig. 1 is the structural representation of modular coring rifle of the present invention;
Fig. 2 is the structural representation of gun main body in the present invention;
Fig. 3 is the structural representation of igniter head assembly in the present invention;
Fig. 4 is that in the present invention, the master of wiring assembly regards cutting structural representation;
Fig. 5 is the plan structure schematic diagram of wiring assembly in the present invention.
Detailed description of the invention
The present invention is further detailed explanation with detailed description of the invention below in conjunction with the accompanying drawings:
As it is shown in figure 1, the modular coring rifle of the present invention is a kind of coring instrument in order to obtain stratum core.Main bag Include gun main body 1, wiring assembly 2, igniter head assembly 3 (36), union joint 4, joint 5, pressure-bearing plug 6, set screw 7 (2), Lower chamber 8, trip nonyl 9, plug 10, upper cavity 11 and helmet 12.Helmet 12, upper cavity 11, joint 5, union joint 4, gun main body 1, Lower chamber 8, by order screwed connection from left to right, seal with sealing ring.Lower chamber 8, plug 10 trip nonyl 9 connects, with close Seal seals.Thus constitute modular coring rifle external body, it is ensured that its anti-pressure ability, sealing property.
Gun main body 1 is internal equipped with wiring assembly 2, positions and fixes with set screw 7.Igniter head assembly 3 (36) is put into It is connected with wiring assembly 2 in 36 stepped hole 14 of gun main body 1.It is used for equipped with pressure-bearing plug 6 between joint 5 and union joint 4 Prevent from, just in case protection to other instruments when modular coring rifle has a seepage, completing to be connected with the signal of telecommunication of wiring assembly 2 simultaneously.
As in figure 2 it is shown, gun main body 1 is an oval body, the one side of oval body scabble and have uniform 36 stepped Hole 14 and 2 set screw hole 13, opened a long special-shaped groove inside opposite side.36 stepped hole 14 are for mount point duration and degree of heating Assembly 3, the blasting charge and rock core bucket.Wiring assembly 2 inserts long special-shaped groove, fixed by set screw hole 13 with set screw 7 (2) Position is also fixed.36 the female joint holes (square hole) making wiring assembly 2 are concentric with the hole of the 36 of gun main body 1 notch cuttype shapes.Rifle The two ends of main body 1 are the cavitys of band screw thread, left end and union joint 4, right-hand member and lower chamber 8 screwed connection, seal with sealing ring.
As shown in Figure 3, igniter head assembly 3 is by second point duration and degree of heating seal 16, first igniter head seal 19, igniter head Contact 15, igniter head connect male 18, abnormity High-Voltage Insulation pad 17, insulation spacer 14, an entirety of composition.Igniter head is total Become in 3 36 the notch cuttype shape holes putting into gun main body 1, and make igniter head connection male 18 insert the connection female of wiring assembly 2 In the hole of 22, it is achieved that the signal of telecommunication is by the connection of igniter head contact 15 to pressure-bearing plug 6.Igniter head contact 15 is a small column Body, it be in order to during coring with blasting charge good connection.Igniter head connects the contact pin that male 18 is 4 lobe band cup heads.Different Shape High-Voltage Insulation pad 17 is that PK material is made through high temperature, high pressure, and pressure-bearing 5 tons is indeformable.Second point duration and degree of heating seal 16 Unanimously but size is different, second point duration and degree of heating seal 16 and first igniter head seal 19 with first igniter head seal 19 structure Structure be all cylinder overcoat O-ring seal, cylinder pressure-bearing 10 tons is indeformable, the gas of O-ring seal pressure-bearing 140MP, liquid Body No leakage.
As shown in Figure 4, wiring assembly 2 is made up of wiring assembly skeleton 23, connection female 22.Wiring assembly skeleton 23 is A block length bar shaped iron plate uniformly has 36 square holes and 2 circular holes 21, the both sides of axis, has a metallic channel 20.36 stepped hole 14 of 36 square holes and 2 circular holes 21 and gun main body 1 and set screw hole 13 one_to_one corresponding.Connect mother 22 are made up of collets and copper pipe, and collets are PK materials, middle punching, inlay gold-plated copper pipe in hole, copper pipe interior Footpath connects the diameter of male 18 less than igniter head, it is ensured that igniter head connects contact when male 18 inserts the copper pipe connecting female 22 Well.Connect female 22 to be screwed on 36 square holes of wiring assembly skeleton.Burn-oning high temperature wire in the outside of copper pipe, leads Line is fixed in the metallic channel 20 of wiring assembly skeleton, is connected with pressure-bearing plug 6.
In sum, present disclosure is not limited in the above embodiments, and those skilled in the art can be Other embodiment proposed within technological guidance's thought of the present invention, but these embodiments be included in the scope of the present invention it In.

Claims (7)

1. a modular coring rifle, it is characterised in that: include gun main body (1), wiring assembly (2), multiple igniter head assembly (3), union joint (4), joint (5), pressure-bearing plug (6), set screw (7), lower chamber (8), trip nonyl (9), plug (10), epicoele Body (11) and helmet (12), described helmet (12), upper cavity (11), joint (5), union joint (4), gun main body (1) and lower chamber (8) passing sequentially through screw thread to be tightly connected, described lower chamber (8) and plug (10) are tightly connected by described trip nonyl (9), described company Being provided with described pressure-bearing plug (6) between joint (4) and joint (5), described gun main body (1) is internally installed wiring assembly (2) And positioned and fixed by set screw (7), multiple described igniter head assembly (3) one_to_one corresponding are placed in described gun main body (1) In multiple stepped hole (14) of upper formation, and multiple described igniter head assembly (3) is connected with wiring assembly (2) respectively, described Wiring assembly (2) is connected with pressure-bearing plug (6) by wire.
2. according to the modular coring rifle described in claim 1, it is characterised in that: described gun main body (1) is an oval body, Multiple stepped hole (14) being uniformly arranged and two set screw hole (13) are scabbled and had in the side of this gun main body (1), separately Having opened a long special-shaped groove inside side, the quantity of described stepped hole (14) is consistent with the quantity of igniter head assembly (3), described Being provided with igniter head assembly (3), the blasting charge and rock core bucket in stepped hole (14), described wiring assembly (2) is inserted into long abnormal shape Fix in groove and by the connection location of set screw (7) with set screw hole (13).
3. according to the modular coring rifle described in claim 2, it is characterised in that: described igniter head assembly (3) includes igniter head Contact (15), insulation spacer (24), first igniter head seal (19), second point duration and degree of heating seal (16), abnormity High-Voltage Insulation Pad (17) and igniter head connect male (18), and described igniter head contact (15) is a small cylinder, described insulation spacer (24), first igniter head seal (19), second point duration and degree of heating seal (16) and abnormity High-Voltage Insulation pad (17) are from top to bottom Being sleeved on successively on igniter head contact (15), described igniter head connects male (18) and is connected to the bottom of igniter head contact (15).
4. according to the modular coring rifle described in claim 3, it is characterised in that: described abnormity High-Voltage Insulation pad (17) uses PK material is made through high temperature, high pressure.
5. according to the modular coring rifle described in claim 3, it is characterised in that: it is one that described igniter head connects male (18) The contact pin of pintongs band cup head.
6. according to the modular coring rifle described in claim 3, it is characterised in that: described first igniter head seal (19) and Two igniter head seals (16) all include cylinder and overcoat O-ring seal on the cylinder.
7. according to the modular coring rifle described in claim 3, it is characterised in that: described wiring assembly (2) includes wiring assembly Skeleton (23) and multiple connection female (22), described wiring assembly skeleton (23) is a block length bar shaped iron plate, the total skeletonization of this wiring The quantity of multiple square hole being uniformly arranged and two circular holes (21), described square hole quantity and stepped hole (14) is had on frame (23) Consistent and both one_to_one corresponding are arranged, two described circular holes (21) and two described set screw hole (13) one_to_one corresponding arrange with Being easy to the installation of set screw (7), axis both sides, described wiring assembly skeleton (23) upper end are respectively formed with one and lead for installation The metallic channel (20) of line, is separately installed with a connection female (22) in each described square hole, described connection female (22) uses PK Insulated with material block is made and middle punching, inlays gold-plated copper pipe in hole, and the internal diameter of described copper pipe connects public affairs less than igniter head The diameter of head (18), good to ensure that igniter head connects contact when male (18) inserts the copper pipe connecting female (22), described The outside of copper pipe is welded with wire, and wire is also connected with pressure-bearing plug (6).
CN201610741607.4A 2016-08-27 2016-08-27 Modular coring rifle Active CN106223944B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201610741607.4A CN106223944B (en) 2016-08-27 2016-08-27 Modular coring rifle

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201610741607.4A CN106223944B (en) 2016-08-27 2016-08-27 Modular coring rifle

Publications (2)

Publication Number Publication Date
CN106223944A true CN106223944A (en) 2016-12-14
CN106223944B CN106223944B (en) 2019-07-09

Family

ID=57555658

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201610741607.4A Active CN106223944B (en) 2016-08-27 2016-08-27 Modular coring rifle

Country Status (1)

Country Link
CN (1) CN106223944B (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111963089A (en) * 2020-08-14 2020-11-20 河北科力石油机械有限公司 Bivalve combination formula core barrel convenient to heat treatment

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3776321A (en) * 1972-10-17 1973-12-04 Dresser Ind Turning slide for open hole operation
CN2464937Y (en) * 2001-01-21 2001-12-12 西安石油勘探仪器总厂 Perforating gun without gun body
US20120000711A1 (en) * 2009-10-22 2012-01-05 Buchanan Steven E Coring Apparatus And Methods To Use The Same
CN202731796U (en) * 2012-01-30 2013-02-13 孔福成 Closed combined wiring structure of well wall coring device
CN203271647U (en) * 2012-10-08 2013-11-06 Combined type coring device
CN103899265A (en) * 2014-03-26 2014-07-02 杜迎彬 Large particle coring gun

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3776321A (en) * 1972-10-17 1973-12-04 Dresser Ind Turning slide for open hole operation
CN2464937Y (en) * 2001-01-21 2001-12-12 西安石油勘探仪器总厂 Perforating gun without gun body
US20120000711A1 (en) * 2009-10-22 2012-01-05 Buchanan Steven E Coring Apparatus And Methods To Use The Same
CN202731796U (en) * 2012-01-30 2013-02-13 孔福成 Closed combined wiring structure of well wall coring device
CN203271647U (en) * 2012-10-08 2013-11-06 Combined type coring device
CN103899265A (en) * 2014-03-26 2014-07-02 杜迎彬 Large particle coring gun

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111963089A (en) * 2020-08-14 2020-11-20 河北科力石油机械有限公司 Bivalve combination formula core barrel convenient to heat treatment

Also Published As

Publication number Publication date
CN106223944B (en) 2019-07-09

Similar Documents

Publication Publication Date Title
CN106223944A (en) Modular coring rifle
CN106500894A (en) A kind of carbon dioxide Blasting shock wave pressure test device and its method of testing
CN103628825A (en) Slurry resistivity measurement pressure bearing connector used for induction logging instrument
CN201851028U (en) Cable head for connecting logging cable and downhole tool
CN105547539B (en) Stress direction measuring system and method based on longitude and latitude strain line
CN105403449A (en) Base of rock mechanics testing machine
CN207365995U (en) A kind of meter case with anti-disassembling mechanism
CN110530576A (en) A kind of shield machine shield tail seal chamber condition detecting system based on Fibre Optical Sensor
CN205618151U (en) Pressure measurement in pit
CN202108503U (en) Three-core shock-resistant bridle for cable of magnetic locator
CN105177595B (en) Test pile and its method of work
CN210296701U (en) High-temperature high-voltage electric connector for oil and gas well perforation
CN206270376U (en) A kind of red-black isolated from power socket isolation degree test fixture
CN207600694U (en) A kind of integrated sealing system safety testing device of LWD
CN109116220A (en) Withstand test device used for high-voltage switch
CN220378261U (en) Six-arm logging instrument inner wiring structure
CN103835664B (en) A kind of drilling rod launching dipole drill string for electromagnetic wave while-drilling wireless measurement signal
CN202991011U (en) Polar plate assembly for logging instrument
CN207183985U (en) A kind of hydraulic pressure grasping beam deep water terminal box
CN207568584U (en) A kind of used in oil well logging lengthens hard electrode
CN202977919U (en) Portable connection structure of coaxial shielding line between sealing cavities at high temperature and under high pressure
CN207245700U (en) One kind is with the brill compressive sealed device of wet connection
CN205135528U (en) A cross cable packer for having cable divides to be annotated
CN218765738U (en) Communicating device for ground stress test of roadway hollow inclusion stress relieving method
CN201297169Y (en) Universal oil-filled type high-insulation bridle

Legal Events

Date Code Title Description
C06 Publication
PB01 Publication
SE01 Entry into force of request for substantive examination
SE01 Entry into force of request for substantive examination
GR01 Patent grant
GR01 Patent grant
CB03 Change of inventor or designer information

Inventor after: Xie Guanghui

Inventor after: Wang Shaoshan

Inventor after: Ding Wenqiang

Inventor after: Xie Naizhen

Inventor after: Lv Wei

Inventor after: He Jianyuan

Inventor after: Bao Xuefei

Inventor after: Ji Chenggao

Inventor after: Li Guoying

Inventor after: Zhang Chongjun

Inventor after: Yin Hongzhi

Inventor after: Cheng Guixia

Inventor after: Han Mingming

Inventor after: Wang Jiong

Inventor after: Guo Wenyuan

Inventor before: Xie Guanghui

Inventor before: Guo Yun

Inventor before: Ji Chenggao

Inventor before: Zhang Chongjun

Inventor before: Yin Hongzhi

Inventor before: Cheng Guixia

Inventor before: Han Mingming

Inventor before: Tian Wenhong

CB03 Change of inventor or designer information
TR01 Transfer of patent right

Effective date of registration: 20190916

Address after: 100007 Beijing, Dongzhimen, North Street, No. 9, No.

Co-patentee after: China National Petroleum Group Logging Co., Ltd.

Patentee after: China Petroleum and Natural Gas Group Co., Ltd.

Co-patentee after: Shenyang Xinjin Fine Instrument Instrument Institute

Address before: 300457 Tianjin Binhai New Area Tianjin economic and Technological Development Zone No. second, No. 83, China Petroleum Tianjin building Bohai Drilling Engineering Co., Ltd.

Patentee before: CNPC Bohai Drilling Engineering Co., Ltd.

TR01 Transfer of patent right