CN108999598A - A kind of perforating oil gas well electric igniter - Google Patents
A kind of perforating oil gas well electric igniter Download PDFInfo
- Publication number
- CN108999598A CN108999598A CN201811147243.2A CN201811147243A CN108999598A CN 108999598 A CN108999598 A CN 108999598A CN 201811147243 A CN201811147243 A CN 201811147243A CN 108999598 A CN108999598 A CN 108999598A
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- Prior art keywords
- electric
- pencil
- press assembly
- oil gas
- gas well
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- 238000007789 sealing Methods 0.000 claims description 17
- 238000009413 insulation Methods 0.000 claims description 16
- 230000000694 effects Effects 0.000 claims description 4
- 238000003466 welding Methods 0.000 claims description 4
- 239000003292 glue Substances 0.000 claims description 3
- 238000001727 in vivo Methods 0.000 claims description 2
- 238000007711 solidification Methods 0.000 claims description 2
- 230000008023 solidification Effects 0.000 claims description 2
- 239000003208 petroleum Substances 0.000 abstract description 5
- 230000007246 mechanism Effects 0.000 abstract description 4
- 238000010586 diagram Methods 0.000 description 6
- 238000005516 engineering process Methods 0.000 description 6
- 239000003721 gunpowder Substances 0.000 description 6
- 239000008186 active pharmaceutical agent Substances 0.000 description 4
- 238000010276 construction Methods 0.000 description 4
- 238000000034 method Methods 0.000 description 3
- 230000008676 import Effects 0.000 description 2
- 230000006872 improvement Effects 0.000 description 2
- 230000000977 initiatory effect Effects 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 239000003129 oil well Substances 0.000 description 2
- 241000406668 Loxodonta cyclotis Species 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000002485 combustion reaction Methods 0.000 description 1
- 239000002131 composite material Substances 0.000 description 1
- 230000000994 depressogenic effect Effects 0.000 description 1
- 238000005474 detonation Methods 0.000 description 1
- 239000003814 drug Substances 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 238000009472 formulation Methods 0.000 description 1
- 239000004615 ingredient Substances 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 230000037452 priming Effects 0.000 description 1
- 230000008569 process Effects 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
- E21B43/00—Methods or apparatus for obtaining oil, gas, water, soluble or meltable materials or a slurry of minerals from wells
- E21B43/11—Perforators; Permeators
- E21B43/116—Gun or shaped-charge perforators
- E21B43/1185—Ignition systems
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)
- Air Bags (AREA)
- Automotive Seat Belt Assembly (AREA)
Abstract
The invention discloses a kind of perforating oil gas well electric igniters, including press assembly, electric ignition cap, pencil and main charge；Electric ignition cap is electrically connected on the press assembly, pencil is mounted on the press assembly for being connected with electric ignition cap, and the pencil other end is equipped with main charge；Wherein, electric ignition cap includes fixing seat, resistor and ignition charge；Resistor there are two being poured in fixing seat, and ignition charge is pressed in fixing seat, there is igniter wire among two resistors, igniter wire is fixed among ignition charge, and two resistors are connected on press assembly.The electric igniter, structure is relatively simple, and size is smaller, and mechanism is reliable；And its line resistance value is not less than 50 Ω, meets american petroleum API standard, fills the domestic gaps；Meanwhile the electric igniter and bridge plug setting tool are able to bear the pressure of 100MPa when being used cooperatively.
Description
Technical field
The present invention relates to oil exploration and development fields more particularly to a kind of perforating oil gas well electric igniters.
Background technique
Sub-clustering perforating technology is shale gas horizontal well multistage, an important technology in staged fracturing well-completing process, this
Technology has begun extensive use in foreign countries at present, at home deepening continuously with China's shale gas exploration and development, and sub-clustering is penetrated
Hole technology is also continued to develop and is widely applied, and especially multistage fire control has become a set of complete with composite bridge plug perforation connection
Whole Perforating Techniques.Current electric cable bridge plug setting tool widely used at home is introduced from the U.S..The tool is taken
Band electric igniter and bridge plug grain are applied electric current lead fire tool by cable, are then lighted bridge plug with cable G.I.H
Gunpowder generates high pressure, and by fluid cylinder and piston, high pressure converted is pulling force, final to realize that bridge plug sets and gives up.
The matched diversity module product of domestic sub-clustering perforation bridge plug joint all adopts direct current igniting initiation system substantially, domestic
There is part oil field to use exchange ignition and detonation system.The API standard formulated according to American Petroleum Institute requires detonator and electric ignition
The resistance of tool is not less than 50 Ω, and the bridge plug igniter that domestic each elephant uses at present is drawn mainly based on the product of import
Quick-fried mode uses special digital igniting instrument.In sub-clustering perforation bridge plug joint construction technology, the ignition side of one side igniter
Formula also should be consistent with diversity module auxiliary products, and on the other hand the procurement cycle of the product is long, expensive, in addition existing rank
Duan Hangye is depressed, and domestic many Oilfield Companies begin to take cost efficiency, and proposing can by existing import bridge plug priming system
Realize production domesticization, the construction requirement for meeting sub-clustering perforation to the maximum extent solves sub-clustering perforation bridge plug seat and banks up a fire work equipment at home
Blank.
Summary of the invention
In order to solve the above technical problems, The present invention provides a kind of perforating oil gas well electric igniter, structure is more simple
Single, size is smaller, and mechanism is reliable, and use is safe, and igniting is reliable.
The present invention is to be achieved through the following technical solutions:
A kind of perforating oil gas well electric igniter, including press assembly, electric ignition cap, pencil and main charge；Described holds
It is electrically connected with electric ignition cap on pressure component, pencil is mounted on the press assembly for being connected with electric ignition cap, the installation of the pencil other end
There is main charge；Wherein, electric ignition cap includes fixing seat, resistor and ignition charge；Resistor there are two being poured in fixing seat, and
It is pressed with ignition charge in fixing seat, has igniter wire among two resistors, igniter wire is fixed among ignition charge, two resistor connections
Onto press assembly.
The pencil inner upper end has screw thread, and the main effect of the screw thread is connection press assembly, and upper end inner hole is also set
There is stepped hole, for fixing electric ignition cap, lower end is cavity, for filling main charge.
The press assembly with electric ignition cap is linked together by welding structure, pencil of the main charge mounted in sealing
In vivo, press assembly is together by a threaded connection with pencil.
The press assembly with electric ignition cap is fixed together by mechanical device riveting.
The press assembly includes contact pin, Pressure Block, insulation sleeve, sealing element and conducting rod；By insulation sleeve and sealing element
Respectively from the screw thread end cap of conducting rod on the core bar of conducting rod, then conducting rod is inserted from the inner bore of step of the Pressure Block end of thread
Enter, then be connected with the end of thread of contact pin with the end of thread of conducting rod, conducting rod is wired on a resistor, separately
One resistor is connected on Pressure Block.
The Pressure Block is revolving body T-type structure, and central axial direction is equipped with step through-hole, the step through-hole and conduction
Bar matches, and so that insulation between conducting rod and Pressure Block is formed the two poles of the earth by insulation sleeve and sealing element, and internal structure can
Bear the pressure of 100MPa；Pressure Block lower end is equipped with screw thread, is equipped with groove, Pressure Block along axis direction on the screw thread of lower end
Upper end is disc-shape, and a resistor is connected on the groove of Pressure Block.
The conducting rod is cross structure, is matched at step with the step through-hole in Pressure Block central axial direction
It closes, fixes it in radial direction by insulation sleeve and sealing element, conducting rod upper end is used for connecting wire, and lower end is equipped with screw thread,
For being connected and fixed contact pin.
The pencil is connected through a screw thread with Pressure Block, main charge mounted in pencil cavity seal in, then with solidify
Glue seals oral area.
Resistance value in the resistor is not less than 50 Ω.
Compared with prior art, the invention has the following beneficial technical effects:
Perforating oil gas well electric igniter provided by the invention, not only structure is relatively simple, and size is smaller, mechanism
Reliably；And the line resistance value of electric igniter is not less than 50 Ω, meets american petroleum API standard, fills the domestic gaps；Meanwhile
Electric igniter and bridge plug setting tool are able to bear the pressure of 100MPa when being used cooperatively.
Detailed description of the invention
Fig. 1 is perforating oil gas well electric igniter structural schematic diagram provided by the invention.
Fig. 2 is press assembly structural schematic diagram shown in Fig. 1.
Fig. 3 is electric ignition cap structure schematic diagram shown in Fig. 1.
Fig. 4 is pencil structural schematic diagram shown in Fig. 1.
Fig. 5 is pressure bearing base structure schematic diagram shown in Fig. 2.
Fig. 6 is conducting rod structural schematic diagram shown in Fig. 2.
Wherein, 1 is press assembly；11 be contact pin；12 be Pressure Block；13 be insulation sleeve；14 be sealing element；15 be conduction
Bar；2 be electric ignition cap；21 be fixing seat；22 be resistor；23 be ignition charge；3 be pencil；4 be main charge.
Specific embodiment
Below with reference to specific embodiment, the present invention is described in further detail, it is described be explanation of the invention and
It is not to limit.
Referring to Fig. 1 to Fig. 6, a kind of perforating oil gas well electric igniter, including press assembly 1, electric ignition cap 2,3 and of pencil
Main charge 4；Electric ignition cap 2 is electrically connected on the press assembly 1, pencil 3 is mounted on the pressure-bearing group for being connected with electric ignition cap 2
On part 1,3 other end of pencil is equipped with main charge 4；Wherein, electric ignition cap 2 includes fixing seat 21, resistor 22 and ignition charge 23；
Resistor 22 there are two being poured in fixing seat 21, and ignition charge 23 is pressed in fixing seat 21, have among two resistors 22
Igniter wire, igniter wire are fixed among ignition charge, and two resistors 22 are connected on press assembly 1.
3 inner upper end of pencil has screw thread, and the main effect of the screw thread is connection press assembly 1, and upper end inner hole is also
Equipped with stepped hole, for fixing electric ignition cap 2, lower end is cavity, for filling main charge 4.
The press assembly 1 and electric ignition cap 2 are linked together by welding structure, medicine of the main charge mounted in sealing
In 3 body of pipe, press assembly 1 is together by a threaded connection with pencil 3.
The press assembly 1 with electric ignition cap 2 is fixed together by mechanical device riveting.
As shown in Fig. 2, the press assembly 1 includes contact pin 11, Pressure Block 12, insulation sleeve 13, sealing element 14 and conduction
Bar 15；It, then will be conductive by insulation sleeve 13 and sealing element 14 respectively from the screw thread end cap of conducting rod 15 on the core bar of conducting rod
Bar 15 is inserted into from the inner bore of step of 12 end of thread of Pressure Block, then is connected with the end of thread of contact pin 11 with the end of thread of conducting rod 15
It connects, conducting rod 15 is wired on a resistor 22, another resistor 22 is connected on Pressure Block 12.
The Pressure Block 12 be revolving body T-type structure, central axial direction be equipped with step through-hole, the step through-hole with lead
Electric pole matches, and so that insulation between conducting rod and Pressure Block is formed the two poles of the earth, and internal structure energy by insulation sleeve and sealing element
Enough bear the pressure of 100MPa；12 lower end of Pressure Block is equipped with screw thread, is equipped with groove along axis direction on the screw thread of lower end, holds
12 upper end of wedge is disc-shape, and the thickness of disk will meet the requirement of pressure-bearing, and a resistor 22 is connected to Pressure Block 12
On groove.
The conducting rod is cross structure, is matched at step with the step through-hole in Pressure Block central axial direction
It closes, fixes it in radial direction by insulation sleeve and sealing element, conducting rod upper end is used for connecting wire, and lower end is equipped with screw thread,
For being connected and fixed contact pin.
The pencil 3 is connected through a screw thread with Pressure Block 12, and main charge 4 is in the cavity seal of pencil 4, then uses
Solidification glue seals oral area.
Resistance value in the resistor 22 is not less than 50 Ω.
2 resistors are set in electric ignition cap, resistor and fixing seat, which link together, becomes overall structure, 2 electricity
There is igniter wire among resistance device, igniter wire is fixed among ignition charge.
The shape of the electric igniter is rotary structure, and press assembly 1 with electric ignition cap 2 is connected to by welding structure
Together, in 3 body of pencil of sealing, press assembly 1 is together by a threaded connection main charge with pencil 3.Electric igniter
Resistor is equipped in electric ignition cap, the resistance value in route is not less than 50 Ω.
When work, ground initiating instrument gives electric igniter power supply, and the igniter wire in electric ignition cap, which will send out heat thermogenetic, to ignite
Efficacy-enhancing ingredient combustion, then lights main charge, and the hot flame and high temperature and high pressure gas that main charge burning generates light the drive of bridge plug gunpowder
Dynamic device, the high temperature and high pressure gas that bridge plug gunpowder driving device generates push piston downlink, the casing for keeping bridge plug setting with oil well
It is interior, it is completed at the same time and gives up.
The igniter is matched with bridge plug tool, and input terminal is connected to the igniting assembly apparatus of bridge plug tool, output end
It is right against the setting driving device of gunpowder.When being classified the energization operation of perforating gun string bridge plug tool, igniter is excited, and ignite bridge plug
Gunpowder driving device, the high temperature and high pressure gas that bridge plug gunpowder driving device generates push piston downlink, keep bridge plug setting and oil well
Casing in, be completed at the same time and give up.Present apparatus technological operation is convenient, easy to assembly, and production cost is relatively low, is suitable for oil gas
Well electric cable bridge plug is classified perforation construction operation.
Perforating oil gas well electric igniter provided by the invention is a kind of electric ignition suitable for the setting tool of bridge plug
Tool is particularly suitable in the cable transmission classification setting construction pipe string operation of perforation bridge plug.The device is matched with bridge plug tool
When internal structure need the pressure of pressure-bearing 100MPa, route resistance value must satisfy the API standard requirement of American Petroleum Institute's formulation,
Using safe, igniting is reliable.
The present invention has the advantages that the 1 electric igniter structure is relatively simple, size is smaller, and mechanism is reliable；2 electric points
The line resistance value of fire tool is not less than 50 Ω, meets american petroleum API standard, fills the domestic gaps；3 electric igniters and bridge plug seat
Envelope tool is able to bear the pressure of 100MPa when being used cooperatively.
The above shows and describes the basic principles and main features of the present invention and the advantages of the present invention.The technology of the industry
Personnel are it should be appreciated that the present invention is not limited to the above embodiments, and the above embodiments and description only describe this
The principle of invention, without departing from the spirit and scope of the present invention, various changes and improvements may be made to the invention, these changes
Change and improvement all fall within the protetion scope of the claimed invention.The claimed scope of the invention by appended claims and its
Equivalent thereof.
Claims (9)
1. a kind of perforating oil gas well electric igniter, which is characterized in that including press assembly (1), electric ignition cap (2), pencil (3)
With main charge (4)；It is electrically connected with electric ignition cap (2) on the press assembly (1), pencil (3), which is mounted on, is connected with electric ignition
On the press assembly (1) of cap (2), pencil (3) other end is equipped with main charge (4)；Wherein, electric ignition cap (2) includes fixing seat
(21), resistor (22) and ignition charge (23)；There are two being poured in fixing seat (21) resistor (22), and in fixing seat (21)
It is pressed with ignition charge (23), has igniter wire among two resistors (22), igniter wire is fixed among ignition charge, two resistors (22)
It is connected on press assembly (1).
2. perforating oil gas well electric igniter according to claim 1, which is characterized in that on described pencil (3) inside
There is screw thread at end, and the main effect of the screw thread is connection press assembly (1), and upper end inner hole is additionally provided with stepped hole, for fixed electric point
Igniter cap (2), lower end are cavity, for filling main charge (4).
3. perforating oil gas well electric igniter according to claim 1, which is characterized in that the press assembly (1) with
Electric ignition cap (2) is linked together by welding structure, main charge mounted in sealing pencil (3) in vivo, press assembly (1) with
Pencil (3) is together by a threaded connection.
4. perforating oil gas well electric igniter according to claim 1, which is characterized in that the press assembly (1) with
Electric ignition cap (2) is fixed together by mechanical device riveting.
5. perforating oil gas well electric igniter according to claim 1, which is characterized in that press assembly (1) packet
Include contact pin (11), Pressure Block (12), insulation sleeve (13), sealing element (14) and conducting rod (15)；By insulation sleeve (13) and sealing element
(14) respectively from the screw thread end cap of conducting rod (15) on the core bar of conducting rod, then by conducting rod (15) from Pressure Block (12) spiral shell
The inner bore of step at line end is inserted into, then is connected with the end of thread of contact pin (11) with the end of thread of conducting rod (15), conducting rod (15)
It is wired on a resistor (22), another resistor (22) is connected on Pressure Block (12).
6. perforating oil gas well electric igniter according to claim 5, which is characterized in that the Pressure Block (12) is back
T-type structure is turned, central axial direction is equipped with step through-hole, which matches with conducting rod, by insulation sleeve and close
Sealing makes insulation between conducting rod and Pressure Block form the two poles of the earth, and internal structure is able to bear the pressure of 100MPa；Pressure Block
(12) lower end is equipped with screw thread, is equipped with groove along axis direction on the screw thread of lower end, and Pressure Block (12) upper end is disc-shape,
One resistor (22) is connected on the groove of Pressure Block (12).
7. perforating oil gas well electric igniter according to claim 5 or 6, which is characterized in that the conducting rod is ten
Cabinet frame structure matches at step with the step through-hole in Pressure Block central axial direction, makes it by insulation sleeve and sealing element
It is fixed in radial direction, conducting rod upper end is used for connecting wire, and lower end is equipped with screw thread, for being connected and fixed contact pin.
8. perforating oil gas well electric igniter according to claim 7, which is characterized in that the pencil (3) and pressure-bearing
Seat (12) is connected through a screw thread, and main charge (4) seals oral area in the cavity seal of pencil (4), then with solidification glue.
9. perforating oil gas well electric igniter according to claim 1, which is characterized in that in the resistor (22)
Resistance value is not less than 50 Ω.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811147243.2A CN108999598B (en) | 2018-09-29 | 2018-09-29 | Electric igniter for perforation of oil and gas well |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811147243.2A CN108999598B (en) | 2018-09-29 | 2018-09-29 | Electric igniter for perforation of oil and gas well |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108999598A true CN108999598A (en) | 2018-12-14 |
| CN108999598B CN108999598B (en) | 2023-10-31 |
Family
ID=64589065
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811147243.2A Active CN108999598B (en) | 2018-09-29 | 2018-09-29 | Electric igniter for perforation of oil and gas well |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108999598B (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113090223A (en) * | 2019-12-23 | 2021-07-09 | 中国石油天然气股份有限公司 | Setting tool and setting method |
| CN114922593A (en) * | 2022-05-25 | 2022-08-19 | 物华能源科技有限公司 | Electronic selective-sending igniter for oil-gas well |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2476638Y (en) * | 2001-05-08 | 2002-02-13 | 中国兵器工业第二一三研究所 | Magneto-ignition apparatus |
| CN202325445U (en) * | 2011-12-14 | 2012-07-11 | 中国石油天然气股份有限公司 | Multi-grade detonation control assembly for cable transmission perforation |
| CN206816238U (en) * | 2017-04-06 | 2017-12-29 | 中石化石油工程技术服务有限公司 | A kind of igniting cabin for high pressure bridging plug setting tool |
| CN207526481U (en) * | 2017-09-28 | 2018-06-22 | 中国石油集团西部钻探工程有限公司 | Modularization pulley connector |
| CN207583354U (en) * | 2017-11-09 | 2018-07-06 | 西安物华巨能爆破器材有限责任公司 | A kind of perforating oil gas well electric cap |
| CN208934668U (en) * | 2018-09-29 | 2019-06-04 | 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 |
-
2018
- 2018-09-29 CN CN201811147243.2A patent/CN108999598B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2476638Y (en) * | 2001-05-08 | 2002-02-13 | 中国兵器工业第二一三研究所 | Magneto-ignition apparatus |
| CN202325445U (en) * | 2011-12-14 | 2012-07-11 | 中国石油天然气股份有限公司 | Multi-grade detonation control assembly for cable transmission perforation |
| CN206816238U (en) * | 2017-04-06 | 2017-12-29 | 中石化石油工程技术服务有限公司 | A kind of igniting cabin for high pressure bridging plug setting tool |
| CN207526481U (en) * | 2017-09-28 | 2018-06-22 | 中国石油集团西部钻探工程有限公司 | Modularization pulley connector |
| CN207583354U (en) * | 2017-11-09 | 2018-07-06 | 西安物华巨能爆破器材有限责任公司 | A kind of perforating oil gas well electric cap |
| CN208934668U (en) * | 2018-09-29 | 2019-06-04 | 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)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113090223A (en) * | 2019-12-23 | 2021-07-09 | 中国石油天然气股份有限公司 | Setting tool and setting method |
| CN113090223B (en) * | 2019-12-23 | 2022-06-03 | 中国石油天然气股份有限公司 | Setting tool and setting method |
| CN114922593A (en) * | 2022-05-25 | 2022-08-19 | 物华能源科技有限公司 | Electronic selective-sending igniter for oil-gas well |
Also Published As
| Publication number | Publication date |
|---|---|
| CN108999598B (en) | 2023-10-31 |
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