CN106223944B - Modular coring rifle - Google Patents
Modular coring rifle Download PDFInfo
- Publication number
- CN106223944B CN106223944B CN201610741607.4A CN201610741607A CN106223944B CN 106223944 B CN106223944 B CN 106223944B CN 201610741607 A CN201610741607 A CN 201610741607A CN 106223944 B CN106223944 B CN 106223944B
- Authority
- CN
- China
- Prior art keywords
- igniter head
- wiring assembly
- connector
- assembly
- modular
- 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.)
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Links
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims description 13
- 229910052802 copper Inorganic materials 0.000 claims description 13
- 239000010949 copper Substances 0.000 claims description 13
- 238000007789 sealing Methods 0.000 claims description 10
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims description 6
- 230000015572 biosynthetic process Effects 0.000 claims description 6
- 238000009413 insulation Methods 0.000 claims description 6
- 239000000463 material Substances 0.000 claims description 6
- 125000001400 nonyl group Chemical group [H]C([*])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])[H] 0.000 claims description 6
- 125000006850 spacer group Chemical group 0.000 claims description 6
- 230000000712 assembly Effects 0.000 claims description 5
- 238000000429 assembly Methods 0.000 claims description 5
- 238000005422 blasting Methods 0.000 claims description 4
- 238000003780 insertion Methods 0.000 claims description 4
- 230000037431 insertion Effects 0.000 claims description 4
- 229910052742 iron Inorganic materials 0.000 claims description 3
- 239000011435 rock Substances 0.000 claims description 3
- 238000009434 installation Methods 0.000 claims description 2
- 230000002159 abnormal effect Effects 0.000 claims 1
- 230000008054 signal transmission Effects 0.000 abstract 1
- 238000010586 diagram Methods 0.000 description 5
- 238000012423 maintenance Methods 0.000 description 2
- 238000004080 punching Methods 0.000 description 2
- -1 Di Kuang Substances 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000005520 cutting process Methods 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 238000010292 electrical insulation Methods 0.000 description 1
- 238000004880 explosion Methods 0.000 description 1
- 239000002360 explosive Substances 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 239000003208 petroleum Substances 0.000 description 1
- 238000005070 sampling Methods 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Classifications
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21B—EARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B49/00—Testing 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
- E21B49/02—Testing 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
- E21B49/04—Testing 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
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21B—EARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B25/00—Apparatus 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 rifles, it includes gun main body, wiring assembly, igniter head assembly, pressure-bearing plug, set screw, lower chamber, upper cavity and all kinds of connections, fixation, seal assembly, the modularization of wiring assembly, igniter head assembly, reduce during electric signal transmission to greatest extent because of signal decaying caused by poor contact or interrupts, greatly improve the stability of coring rifle, safety.Overall structure of the present invention is simple, utility model and technically reliable, is suitable for exploration logging core work.
Description
Technical field
The present invention relates to a kind of coring instrument of geophysical exploration logger technical field, especially a kind of modular
Coring rifle.
Background technique
The side-wall coring equipment being currently mainly used is explosive coring rifle, after each use, because of the high temperature of explosion generation
The influence of high pressure deforms its built-in electrical insulation gasket, causes coring rifle igniter head to contact with ignition lead bad.After each use,
Coring rifle igniter head is fastened with ignition lead, be maintained, replacement insulation spacer, coring rifle igniter head, sealing ring etc..Because
Its structure is complicated, heavy workload, maintenance cost are high, is not able to satisfy production needs.
Summary of the invention
The technical problem to be solved in the present invention is to provide one kind can precisely obtain formation core sample, analysis formation lithology
Modular coring rifle.
In order to solve the above-mentioned technical problem, the present invention include gun main body, wiring assembly, multiple igniter head assemblies, connector,
Connector, pressure-bearing plug, set screw, lower chamber, trip nonyl, plug, upper cavity and helmet, the helmet, upper cavity, connector, company
Connector, gun main body and lower chamber pass sequentially through screw thread sealed connection, and the lower chamber and plug are tightly connected by the trip nonyl,
The pressure-bearing plug is installed between the connector and connector, wiring assembly is installed inside the gun main body and passes through positioning
Screw positions and fixes, and multiple igniter head assembly one-to-one correspondence are placed in the multiple stepped holes formed on the gun main body
It is interior, and multiple igniter head assemblies are connect with wiring assembly respectively, the wiring assembly is connect by conducting wire with pressure-bearing plug.
The gun main body be an oval body, the side of the gun main body scabble and be provided with it is multiple be uniformly arranged it is ladder-like
Hole and two set screw holes have opened a long special-shaped groove, the quantity and igniter head assembly of the stepped hole inside the other side
Quantity it is consistent, igniter head assembly, the blasting charge and rock core bucket are installed, the wiring assembly is inserted into length in the stepped hole
It is positioned in special-shaped groove and by the connection of set screw and set screw hole and is fixed.
Igniter head assembly includes igniter head contact, insulation spacer, first igniter head seal, the sealing of second igniter head
Body, special-shaped high-voltage isulation gasket connect male connector with igniter head, and igniter head contact is a small cylinder, the felt pad
Piece, first igniter head seal, second igniter head seal and special-shaped high-voltage isulation gasket are successively sleeved on igniting from top to bottom
On head contact, igniter head connection male connector is connected to the bottom of igniter head contact.
The abnormity high-voltage isulation gasket is made using PK material through high temperature, high pressure.
Igniter head connection male connector is a contact pin of the pintongs with cup head.
First igniter head seal and second igniter head seal include cylindrical body and housing on the cylinder
Sealing rubber ring.
The wiring assembly includes wiring assembly skeleton and multiple connection females, and the wiring assembly skeleton is one piece of strip
Shape iron plate, is provided with multiple square holes being uniformly arranged and two circular holes on the wiring assembly skeleton, the square hole quantity with it is ladder-like
The quantity in hole is consistent and the two is arranged in a one-to-one correspondence, two circular holes and two set screw holes be arranged in a one-to-one correspondence with
Convenient for the installation of set screw, wiring assembly skeleton upper end axis two sides are respectively formed with a conducting wire for conducting wire
Slot, is separately installed with a connection female in each square hole, and the connection female is made and intermediate of PK insulated with material block
Gold-plated copper pipe is inlayed in punching in hole, and the internal diameter of the copper pipe is less than the diameter of igniter head connection male connector, to guarantee igniter head
Connect when in the copper pipe of male connector insertion connection female that contact is good, the outside of the copper pipe and conducting wire weld, and conducting wire also with hold
Press plug connection.
The beneficial effects of the present invention are: modular coring rifle of the invention reaches various to petroleum, Di Kuang, water detection etc.
Formation sampling, core work requirement, can precisely obtain formation core sample, analyze formation lithology.And mould of the invention
Block formula coring rifle devises new main structure, modular construction, solves the insulation spacer inside existing coring rifle and is easily deformed,
Coring rifle igniter head and ignition lead is caused to contact problem of poor.In addition modular coring rifle of the invention is simple with structure, ties up
Convenient feature is repaired, 90% or more maintenance cost can be reduced, workload reduces by 95% or more.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of modular coring rifle of the present invention；
Fig. 2 is the structural schematic diagram of gun main body in the present invention；
Fig. 3 is the structural schematic diagram of igniter head assembly in the present invention；
Fig. 4 is the main view cutting structural schematic diagram of wiring assembly in the present invention；
Fig. 5 is the overlooking structure diagram of wiring assembly in the present invention.
Specific embodiment
The present invention will be further described in detail below with reference to the accompanying drawings and specific embodiments:
As shown in Figure 1, modular coring rifle of the invention is a kind of coring instrument in order to obtain stratum core.Main packet
Include gun main body 1, wiring assembly 2, igniter head assembly 3 (36), connector 4, connector 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, connector 5, connector 4, gun main body 1,
Lower chamber 8, by sequence screwed connection from left to right, sealed with sealing ring.Lower chamber 8, plug 10 are connected with trip nonyl 9, and use is close
Seal sealing.To constitute modular coring rifle external body, its anti-pressure ability, sealing performance ensure that.
Wiring assembly 2 is housed inside gun main body 1, is positioned and fixed with set screw 7.Igniter head assembly 3 (36) is put into
It is connect in 36 stepped holes 14 of gun main body 1 with wiring assembly 2.It is used between connector 5 and connector 4 equipped with pressure-bearing plug 6
The protection just in case when modular coring rifle has leakage to other instruments is prevented, is completed at the same time and is connect with the electric signal of wiring assembly 2.
As shown in Fig. 2, gun main body 1 be an oval body, oval body scabble on one side and be provided with uniform 36 it is ladder-like
Hole 14 and 2 set screw hole 13 has opened a long special-shaped groove inside the other side.36 stepped holes 14 are for installing igniter head
Assembly 3, the blasting charge and rock core bucket.Wiring assembly 2 is inserted into long special-shaped groove, fixed by set screw hole 13 with set screw 7 (2)
Position is simultaneously fixed.So that 36 female connector holes (square hole) of wiring assembly 2 and the hole of 36 stepped shapes of gun main body 1 are concentric.Rifle
The both ends of main body 1 are the cavity with screw thread, left end and connector 4, right end and the screwed connection of lower chamber 8, are sealed with sealing ring.
As shown in Figure 3, igniter head assembly 3 is by second igniter head seal 16, first igniter head seal 19, igniter head
Contact 15, igniter head connection male connector 18, an entirety of special-shaped high-voltage isulation gasket 17, insulation spacer 14, composition.Igniter head is total
It is put at 3 in 36 stepped shape holes of gun main body 1, and makes the connection female of igniter head connection insertion wiring assembly 2 of male connector 18
In 22 hole, connection of the electric signal by igniter head contact 15 to pressure-bearing plug 6 is realized.Igniter head contact 15 is a small column
Body, it be in order to when coring with blasting charge good connection.It is a contact pin of 4 valves with cup head that igniter head, which connects male connector 18,.It is different
Shape high-voltage isulation gasket 17 is that PK material is made through high temperature, high pressure, and 5 tons of pressure-bearing indeformable.Second igniter head seal 16
It is consistent with first igniter head seal, 19 structure but size is different, second igniter head seal 16 and first igniter head seal 19
Structure be cylindrical body housing sealing rubber ring, 10 tons of cylindrical body pressure-bearing are indeformable, gas, the liquid of sealing rubber ring pressure-bearing 140MP
Body No leakage.
As shown in Figure 4, wiring assembly 2 is made of wiring assembly skeleton 23, connection female 22.Wiring assembly skeleton 23 is
36 square holes and 2 circular holes 21 are uniformly provided on one piece of strip iron plate, the two sides of axis have a metallic channel
20.36 stepped holes 14 and set screw hole 13 of 36 square holes and 2 circular holes 21 and gun main body 1 correspond.Connection is female
First 22 are made of collets and copper pipe, and collets are PK materials, centre punching, inlay gold-plated copper pipe in hole, copper pipe it is interior
Diameter is less than the diameter of igniter head connection male connector 18, contacts when guaranteeing in the copper pipe of igniter head connection insertion connection female 22 of male connector 18
Well.Connection female 22 is screwed on 36 square holes of wiring assembly skeleton.The outside of copper pipe is burn-on high temperature wire, is led
Line is fixed in the metallic channel 20 of wiring assembly skeleton, is connect with pressure-bearing plug 6.
In conclusion the contents of the present invention are not limited in the above embodiments, those skilled in the art can be
It is proposed other embodiments within technological guidance's thought of the invention, but these embodiments be included in the scope of the present invention it
It is interior.
Claims (6)
1. a kind of modular coring rifle, it is characterised in that: including gun main body (1), wiring assembly (2), multiple igniter head assemblies
(3), connector (4), connector (5), pressure-bearing plug (6), set screw (7), lower chamber (8), trip nonyl (9), plug (10), epicoele
Body (11) and helmet (12), the helmet (12), upper cavity (11), connector (5), connector (4), gun main body (1) and lower chamber
(8) screw thread sealed connection is passed sequentially through, the lower chamber (8) and plug (10) are tightly connected by the trip nonyl (9), the company
The pressure-bearing plug (6) is installed between connector (4) and connector (5), wiring assembly (2) are installed inside the gun main body (1)
And positioned and fixed by set screw (7), multiple igniter head assemblies (3), which correspond, is placed in the gun main body (1)
In multiple stepped holes (14) of upper formation, and multiple igniter head assemblies (3) connect with wiring assembly (2) respectively, described
Wiring assembly (2) is connect by conducting wire with pressure-bearing plug (6)；
Igniter head assembly (3) tail end is equipped with igniter head connection male connector (18), and igniter head connection male connector (18) is one
Contact pin of the pintongs with cup head；
The wiring assembly (2) include connection female (22), the connection female (22) use PK insulated with material block be made and in
Between punch, inlay gold-plated copper pipe in hole, the internal diameter of the copper pipe is less than the diameter of igniter head connection male connector (18), to guarantee
Contact is good when igniter head connects in the copper pipe of male connector (18) insertion connection female (22), and the outside of the copper pipe and conducting wire weld
It connects, and conducting wire is also connect with pressure-bearing plug (6).
2. modular coring rifle described in accordance with the claim 1, it is characterised in that: the gun main body (1) is an oval body,
The side of the gun main body (1) scabbles and is provided with multiple stepped holes (14) being uniformly arranged and two set screw holes (13), separately
A long special-shaped groove is opened inside side, the quantity of the stepped hole (14) is consistent with the quantity of igniter head assembly (3), described
Igniter head assembly (3), the blasting charge and rock core bucket are installed, the wiring assembly (2) is inserted into long abnormal shape in stepped hole (14)
It is positioned in slot and by the connection of set screw (7) and set screw hole (13) and is fixed.
3. modular coring rifle according to claim 2, it is characterised in that: igniter head assembly (3) includes igniter head
Contact (15), insulation spacer (24), first igniter head seal (19), second igniter head seal (16), special-shaped high-voltage isulation
Gasket (17) connects male connector (18) with igniter head, and igniter head contact (15) is a small cylinder, the insulation spacer
(24), first igniter head seal (19), second igniter head seal (16) and special-shaped high-voltage isulation gasket (17) be from top to bottom
It is successively sleeved on igniter head contact (15), igniter head connection male connector (18) is connected to the bottom of igniter head contact (15).
4. modular coring rifle described in accordance with the claim 3, it is characterised in that: the abnormity high-voltage isulation gasket (17) uses
PK material is made through high temperature, high pressure.
5. modular coring rifle described in accordance with the claim 3, it is characterised in that: first igniter head seal (19) and
Two igniter head seals (16) include the sealing rubber ring of cylindrical body and housing on the cylinder.
6. modular coring rifle described in accordance with the claim 3, it is characterised in that: the wiring assembly (2) includes wiring assembly
Skeleton (23) and multiple connection females (22), the wiring assembly skeleton (23) are one piece of strip iron plate, the total skeletonization of the wiring
Multiple square holes being uniformly arranged and two circular holes (21), the quantity of the square hole quantity and stepped hole (14) are provided on frame (23)
Consistent and the two is arranged in a one-to-one correspondence, two circular holes (21) and two set screw holes (13) be arranged in a one-to-one correspondence with
Convenient for the installation of set screw (7), wiring assembly skeleton (23) the upper end axis two sides be respectively formed with one for install lead
The metallic channel (20) of line is separately installed with a connection female (22) in each square hole.
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 CN106223944A (en) | 2016-12-14 |
| CN106223944B true 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) |
Families Citing this family (1)
| 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 (5)
| 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 |
| 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 | 丁 | Combined type coring device |
| CN103899265A (en) * | 2014-03-26 | 2014-07-02 | 杜迎彬 | Large particle coring gun |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US8210284B2 (en) * | 2009-10-22 | 2012-07-03 | Schlumberger Technology Corporation | Coring apparatus and methods to use the same |
-
2016
- 2016-08-27 CN CN201610741607.4A patent/CN106223944B/en active Active
Patent Citations (5)
| 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 |
| 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 | 丁 | Combined type coring device |
| CN103899265A (en) * | 2014-03-26 | 2014-07-02 | 杜迎彬 | Large particle coring gun |
Also Published As
| Publication number | Publication date |
|---|---|
| CN106223944A (en) | 2016-12-14 |
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| Date | Code | Title | Description |
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| 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 |
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| 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 |