CN106223909A - Coiled tubing clustering perforation intelligent ignition device and process - Google Patents
Coiled tubing clustering perforation intelligent ignition device and process Download PDFInfo
- Publication number
- CN106223909A CN106223909A CN201610780191.7A CN201610780191A CN106223909A CN 106223909 A CN106223909 A CN 106223909A CN 201610780191 A CN201610780191 A CN 201610780191A CN 106223909 A CN106223909 A CN 106223909A
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- igniting
- perforating gun
- coiled tubing
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- 238000000034 method Methods 0.000 title claims abstract description 20
- 239000007788 liquid Substances 0.000 claims abstract description 16
- 239000012530 fluid Substances 0.000 claims abstract description 11
- 239000003999 initiator Substances 0.000 claims description 13
- 238000004891 communication Methods 0.000 claims description 12
- 238000007789 sealing Methods 0.000 claims description 8
- 230000005611 electricity Effects 0.000 claims description 7
- 238000002955 isolation Methods 0.000 claims description 4
- 238000005553 drilling Methods 0.000 abstract description 3
- 230000009286 beneficial effect Effects 0.000 abstract 1
- 238000005516 engineering process Methods 0.000 description 6
- 230000015572 biosynthetic process Effects 0.000 description 2
- 230000004224 protection Effects 0.000 description 2
- 238000005086 pumping Methods 0.000 description 2
- 241000282472 Canis lupus familiaris Species 0.000 description 1
- 230000004888 barrier function Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 238000005422 blasting Methods 0.000 description 1
- 230000003111 delayed effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000010304 firing Methods 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 230000000977 initiatory effect Effects 0.000 description 1
- 210000003141 lower extremity Anatomy 0.000 description 1
- 239000003208 petroleum Substances 0.000 description 1
- 239000011435 rock Substances 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
-
- 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
- E21B43/11852—Ignition systems hydraulically actuated
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- 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)
- Eye Examination Apparatus (AREA)
Abstract
The invention discloses an intelligent ignition device and process for cluster perforation of a continuous oil pipe. The device comprises a continuous oil pipe, an automatic liquid inlet valve, an electronic detonator, a single-core flexible connecting device for perforation and a clustering perforation pipe column which are sequentially connected, wherein the automatic liquid inlet valve comprises a body, and a plurality of check valves for automatically feeding liquid are arranged on the body; the single-core flexible connecting device for perforation comprises an upper joint component, an H-shaped card and a lower joint component, wherein the upper joint component is connected with the lower joint component through the H-shaped card, contact pins are arranged at the end parts of the upper joint component and the lower joint component, and the two contact pins are connected through electric wires. The invention improves the perforating operation efficiency of the coiled tubing, is beneficial to protecting an oil-gas layer, avoids the risk of polluting the oil-gas layer when the well is perforated and completed by adopting the original drilling fluid due to the perforating operation with pressure, and also improves the conveying capacity of the clustering perforating string and the processing capacity of dealing with complex well conditions of unconventional oil-gas horizontal wells such as shale gas, compact oil gas and the like.
Description
Technical field
The invention belongs to the unconventionaloil pool such as shale gas, fine and close oil gas and hide exploration and development field, be specifically related to a kind of page
Coiled tubing sub-clustering perforation igniter under the conditions of the Oil/gas Well complexity pit shafts such as rock gas, fine and close oil gas and technique.
Background technology
In recent years, the existing good effect of the exploration of unconventional petroleum resources particularly shale gas and exploitation, country successively exists
Sichuan province establishes Weiyuan-shale gas demonstration area, Changning, establishes Jiao's masonry dam shale gas demonstration area, Fuling in Chongqing region, not
The development and utilization carrying out shale gas resource has occurred good momentum.Cable transfer sub-clustering perforating technology is current shale gas horizontal well
The technical way of perforation completion, but gradually going deep into along with shale gas exploitation, the cable pumping sub-clustering perforation skill used
Art is also faced with a series of technical barrier.As the shale gas reservoir geological conditions of China has underground structure complexity, fold is strong,
Reservoir buries the features such as deep, and part well depth exists pit shaft Canis familiaris L. more than 5000m, part of horizontal section more than 2000m, part shale gas well
The unfavorable factors such as lower limb degree is big, well track updip, and being on the increase along with volume fracturing hop count, becoming occurs in well inner sleeve
There are a series of complex situations such as desilting in shape, casing damage or pit shaft, cause cable to pump sub-clustering perforation pumping difficulties, pipe string
It is hampered or meets the situations such as card and produce, generally require the coiled tubing sub-clustering perforation ability possessing bigger conveying capacity and disposal ability
Meet demand.
Existing coiled tubing transmission perforation operation technique at most can only once be gone into the well two shower holes, on-the-spot conventional continuous
Oil tube conveying gun perforation mainly has two kinds of forms: the first is once gone into the well single cluster perforation, and it two is two shower holes of once going into the well, complete
Becoming many showers hole, need repeatedly to remove coiled tubing, operation timeliness is low, it is impossible to meet field operation requirement, and unconventionaloil pool is hidden
Under complex well conditions, completion proposes urgent need to coiled tubing conveying sub-clustering perforation (once going into the well more than three bunches) technology
Ask.Coiled tubing is worn cable sub-clustering perforating technology and is not changed existing sub-clustering perforator structure, connection and sparking mode, but needs even
Continuous oil pipe wears cable unit and technology, operates extremely complex.In prior art, under the conditions of not wearing cable, do not rely on oil continuously
Pipe has carried intelligent ignition technique and the technology of sub-clustering perforation.
Summary of the invention
It is an object of the invention to the problems referred to above overcoming prior art to exist, it is provided that a kind of coiled tubing sub-clustering perforation intelligence
Can igniter and technique.The present invention improves coiled tubing perforating job efficiency, and beneficially reservoir protec-tion, owing to using band
Pressure perforating job, it is to avoid the risk of contaminated oil gas-bearing formation during employing former drilling fluid perforation completion, also improves sub-clustering perforation tubular column
Conveying capacity and the disposal ability of the unconventionaloil pool horizontal well complex hole condition such as reply shale gas, fine and close oil gas.
For achieving the above object, the technical solution used in the present invention is as follows:
A kind of coiled tubing sub-clustering perforation intelligent ignition device, it is characterised in that: include the coiled tubing being sequentially connected with, automatically enter
Liquid valve, electronic initiators, perforation single flexible connecting device and sub-clustering perforation tubular column, described automatic liquid feed valve includes body,
Multiple check valve for automatic feed liquor it is provided with on body；Described perforation single flexible connecting device includes top connection group
Part, H card and lower contact assembly, connected by H card between top connection assembly and lower contact assembly, top connection assembly and lower contact group
The end of part is provided with contact pin, and two contact pins are connected by electric wire；It is branched that described sub-clustering perforation tubular column includes being sequentially connected with
Perforating gun, in branched perforating gun, cycle alternation connects forward igniting diode and negative sense igniting diode.
Described automatic liquid feed valve body is the tubular structure of hollow, and body is provided with multiple perforate, sets in each perforate
It is equipped with check valve.
Described check valve includes valve gap, spool, spring and sealing ring, and spring is arranged in the endoporus of spool, and sealing ring sets
Putting on valve gap, spring and spool are arranged in perforate, and valve gap is threadeded with perforate.
Described H card is multiple, and adjacent two H cartoons are crossed movable joint and connected.
In described movable joint stretches into H card and being fixed by pin, pin is spacing by spacing jump ring.
In described branched perforating gun, the resistance detonator of first perforating gun and second perforating gun and straight-through igniting diode
Positive and negative level be connected, the straight-through positive pole of igniting diode connects with the resistance detonator of first perforating gun, straight-through diode of lighting a fire
Negative pole and second perforating gun resistance detonator connect；The resistance detonator of described 3rd perforating gun is with forward igniting diode even
Connecing, one end of forward igniting diode connects the wire in the 3rd perforating gun, and the other end connects leading in second perforating gun
Line；The resistance detonator of described 4th perforating gun and negative sense igniting diode is connected, one end connection of negative sense igniting diode the
Wire in four perforating guns, the other end connects the wire in the 3rd perforating gun.
A kind of ignition process of coiled tubing sub-clustering perforation intelligent ignition device, it is characterised in that: all pipe strings have assembled
Cheng Hou, precalculated position in lower going-into-well, first with the positive pole ignition function of straight-through igniting diode, first perforating gun is lighted a fire
Operation, igniting resistor detonator and perforating gun；After operation completes, above mention second bunch of position, with the negative pole of straight-through igniting diode
Second perforating gun is lighted a fire by ignition function；After having lighted a fire, fluid communication forward igniting diode in well, faced by ground
3rd perforating gun carries out positive electric ignition；After having lighted a fire, fluid communication negative sense igniting diode in well, on ground in the face of the 4th
Perforating gun carries out negative electricity igniting；Such positive and negative ignition cycle, is sequentially completed the igniting operation of all bunches.
In described coiled tubing decentralization process, in annular space and coiled tubing, it is in communication state, when well control risk occurs,
Reacting cycle is used to carry out kill-job operation.
In the running well behind precalculated position, using pressuring method in coiled tubing, pipe is interior and pipe is outer is in isolation.
Employing it is an advantage of the current invention that:
One, the present invention improves coiled tubing perforating job efficiency.Once gone into the well most twice igniting by original coiled tubing
Operation brings up to most 20 grades of igniting operations of once going into the well.
Two, the present invention is conducive to reservoir protec-tion, owing to using perforating job with pressure, it is to avoid employing former drilling fluid perforation
The risk of contaminated oil gas-bearing formation during completion.
Three, the present invention improves the conveying capacity of sub-clustering perforation tubular column and reply shale gas, fine and close oil gas etc. are unconventional
The disposal ability of oil gas horizontal well complex hole condition.
Four, the employing of automatic liquid feed valve in the present invention, improves the safety and reliability of coiled tubing perforating job, again
Pressurize in realizing coiled tubing thus accurately control Initiation Pressure and other operation pressure of smart electronics initiator.
Five, in the present invention, single flexible connecting device uses, and had both improve ground-mounted efficiency, and had improve again perforation pipe string
Handling capacity under complex hole condition.
Accompanying drawing explanation
Fig. 1 is sub-clustering perforation principle schematic of the present invention
Fig. 2 is the present invention automatic liquid feed valve structural representation
Fig. 3 is perforation single flexible connecting device structural representation of the present invention
Fig. 4 is coiled tubing running string structural representation of the present invention
Figure is labeled as: 1, first perforating gun；2, second perforating gun；3, the 3rd perforating gun；4, the 4th perforating gun；5、
Resistance detonator；6, straight-through igniting diode；7, forward igniting diode；8, negative sense igniting diode；9, body；10, valve gap；
11, spool；12, spring；13, top connection assembly；14, electric wire；H card on 15；16, lower H card；17, movable joint；18, pin；19, limit
Position jump ring；20, lower contact assembly；21, coiled tubing；22, automatic liquid feed valve；23, electronic initiators；24, perforation single is soft
Property attachment means；25, sub-clustering perforation tubular column.
Detailed description of the invention
Embodiment 1
A kind of coiled tubing sub-clustering perforation intelligent ignition device, including the coiled tubing 21 being sequentially connected with, automatic liquid feed valve 22, electricity
Sub-initiator 23, perforation single flexible connecting device 24 and sub-clustering perforation tubular column 25, described automatic liquid feed valve 22 includes body
9, body 9 is provided with multiple check valve for automatic feed liquor；Described perforation single flexible connecting device 24 includes connecing
Head assembly 13, H card and lower contact assembly 20, connected by H card between top connection assembly 13 and lower contact assembly 20, top connection group
The end of part 13 and lower contact assembly 20 is provided with contact pin, and two contact pins are connected by electric wire 14；Described sub-clustering perforation tubular column
25 include the branched perforating gun being sequentially connected with, and in branched perforating gun, cycle alternation connects forward igniting diode 7 and negative sense igniting
Diode 8.
Described automatic liquid feed valve body 9 is the tubular structure of hollow, and body 9 is provided with multiple perforate, in each perforate
It is provided with check valve.
Described check valve includes valve gap 10, spool 11, spring 12 and sealing ring, and spring 12 is arranged on the endoporus of spool 11
In, sealing ring is arranged on valve gap 10, and spring 12 and spool 11 are arranged in perforate, and valve gap 10 is threadeded with perforate.
Described H card is multiple, and adjacent two H cartoons are crossed movable joint 17 and connected.
Fixing in described movable joint 17 stretches into H card and by pin 18, pin 18 is spacing by spacing jump ring 19.
Perforation single flexible connecting device 24 centre high temperature electric wire 14 connects, and upper and lower side output uses Fructus Musae contact pin side
Formula, upper end is connected with smart electronics initiator 23 torr cartridge module, and lower end is connected with the upper point duration and degree of heating of sub-clustering perforation tubular column 25.
In described branched perforating gun, resistance detonator 5 and the straight-through igniting two of first perforating gun 1 and second perforating gun 2
The positive and negative level of pole pipe 6 is connected, and the straight-through positive pole of igniting diode 6 and the resistance detonator 5 of first perforating gun 1 connect, straight-through point
The fire negative pole of diode 6 and the resistance detonator 5 of second perforating gun 2 connect；The resistance detonator 5 of described 3rd perforating gun 3 with
Forward igniting diode 7 connects, and one end of forward igniting diode 7 connects the wire in the 3rd perforating gun 3, and the other end connects
Wire in second perforating gun 2；The resistance detonator 5 of described 4th perforating gun 4 is connected with negative sense igniting diode 8, negative sense
One end of igniting diode 8 connects the wire in the 4th perforating gun 4, and the other end connects the wire in the 3rd perforating gun 3.Institute
There is tubing string to be connected by a high temperature electric wire 14, coordinate smart electronics initiator 23 can realize coiled tubing and once go into the well maximum 20
Level igniting operation.
In the present embodiment, electronic initiators 23 uses prior art.Smart electronics initiator 23 both can be according to positive electricity, negative electricity
Alternately the way of output realizes the delayed firing operation to big resistance detonator, can carry out igniting by geostatic pressure system trigger again and make
Industry.
A kind of ignition process of coiled tubing sub-clustering perforation intelligent ignition device, it is characterised in that: all pipe strings have assembled
Cheng Hou, precalculated position in lower going-into-well, first with the positive pole ignition function of straight-through igniting diode, first perforating gun is lighted a fire
Operation, igniting resistor detonator and perforating gun；After operation completes, above mention second bunch of position, with the negative pole of straight-through igniting diode
Second perforating gun is lighted a fire by ignition function；After having lighted a fire, fluid communication forward igniting diode in well, faced by ground
3rd perforating gun carries out positive electric ignition；After having lighted a fire, fluid communication negative sense igniting diode in well, on ground in the face of the 4th
Perforating gun carries out negative electricity igniting；Such positive and negative ignition cycle, is sequentially completed the igniting operation of all bunches.
In described coiled tubing decentralization process, in annular space and coiled tubing, it is in communication state, when well control risk occurs,
Reacting cycle is used to carry out kill-job operation.
In the running well behind precalculated position, using pressuring method in coiled tubing, pipe is interior and pipe is outer is in isolation.
Different with conventional cable transfer sub-clustering perforation, coiled tubing provides without cable electronic initiators self needed for detonating
The energy；The most different with conventional coiled tubing pressure blasting, it no longer realizes sub-clustering by arranging pressure rating, but
By needing to control detonating step by step of smart electronics classification initiator according to actual perforation.
In coiled tubing decentralization process, it is in communication state in annular space and coiled tubing, well control risk once occurs, permissible
Reacting cycle is used to carry out kill-job operation.Transfer after putting in place, in order to realize accurate pressurization on smart electronics initiator, can adopt
With pressuring method in coiled tubing, it is ensured that be in isolation with outside pipe in pipe.
Embodiment 2
The present embodiment combines accompanying drawing, and the present invention will be described.
Such as Fig. 1, superhigh temperature supertension sub-clustering perforation principle signal: after all pipe strings are completed, pre-determined bit in lower going-into-well
Put.First with the positive pole ignition function of straight-through igniting diode 6, first perforating gun 1 is carried out operation of lighting a fire, light big resistance thunder
Pipe 5 and perforating gun.After operation completes, above mention second bunch of position, with the negative pole ignition function of straight-through igniting diode 6 to second
Prop up perforating gun 2 to light a fire.After having lighted a fire, fluid communication forward igniting diode 7 in well, on ground in the face of the 3rd perforating gun
3 carry out positive electric ignition.After having lighted a fire, in well, fluid communication negative sense igniting diode 8, enters in the face of the 4th perforating gun 4 on ground
Row negative electricity is lighted a fire.Such positive and negative ignition cycle, is sequentially completed the igniting operation of all bunches.
Such as Fig. 2, described automatic liquid feed valve 22 includes that body 9, body 9 are the tubular structure of hollow, body 9 has multiple
Perforate, is provided with check valve in each perforate, and described check valve includes valve gap 10, spool 11, spring 12 and sealing ring, described
Spring 12 is arranged in the endoporus of spool 11, and sealing ring is arranged on valve gap 10, and spring 12 and spool 11 are arranged on described perforate
In, valve gap 10 is threadeded with perforate.
Such as Fig. 3, described perforation single flexible connecting device 24, first assemble top connection assembly 13 and lower contact assembly
20.High temperature electric wire 14 by suitable length is connected to the relevant position of top connection assembly 13.The supreme adapter assembly of H card 15 in connection
On 13, put into movable joint 17, lower H card 16 is connected on movable joint 17 and upper H card 15, and penetrates high intensity pin 18, use limiting card
High intensity pin 18 is carried out spacing by spring 19, is linked in sequence more piece assembly according to above order, the lower contact group that finally will install
Part 20 is connected on lower H card 16.
Such as Fig. 4, described coiled tubing running string schematic diagram, it is followed successively by coiled tubing 21, automatic liquid feed valve from top to bottom
22, smart electronics initiator 23, perforation single flexible connecting device 24 and positive and negative igniting sub-clustering perforation tubular column 25.
Claims (9)
1. a coiled tubing sub-clustering perforation intelligent ignition device, it is characterised in that: the coiled tubing (21) that includes being sequentially connected with,
Automatically liquid feed valve (22), electronic initiators (23), perforation single flexible connecting device (24) and sub-clustering perforation tubular column (25), institute
State automatic liquid feed valve (22) and include body (9), body (9) is provided with multiple check valve for automatic feed liquor；Described perforation
Include top connection assembly (13), H card and lower contact assembly (20) with single flexible connecting device (24), top connection assembly (13) and
Being connected by H card between lower contact assembly (20), the end of top connection assembly (13) and lower contact assembly (20) is provided with slotting
Pin, two contact pins are connected by electric wire (14)；Described sub-clustering perforation tubular column (25) includes the branched perforating gun being sequentially connected with, branched
In perforating gun, cycle alternation connects forward igniting diode (7) and negative sense igniting diode (8).
Coiled tubing sub-clustering perforation intelligent ignition device the most according to claim 1, it is characterised in that: described automatic feed liquor
Valve body (9) is the tubular structure of hollow, and body (9) is provided with multiple perforate, is provided with check valve in each perforate.
Coiled tubing sub-clustering perforation intelligent ignition device the most according to claim 2, it is characterised in that: described check valve bag
Including valve gap (10), spool (11), spring (12) and sealing ring, spring (12) is arranged in the endoporus of spool (11), and sealing ring sets
Putting on valve gap (10), spring (12) and spool (11) are arranged in perforate, and valve gap (10) is threadeded with perforate.
Coiled tubing sub-clustering perforation intelligent ignition device the most according to claim 3, it is characterised in that: described H card is many
Individual, adjacent two H cartoons are crossed movable joint (17) and are connected.
Coiled tubing sub-clustering perforation intelligent ignition device the most according to claim 4, it is characterised in that: described movable joint (17)
Fixing in stretching into H card and by pin (18), pin (18) is spacing by spacing jump ring (19).
Coiled tubing sub-clustering perforation intelligent ignition device the most according to claim 5, it is characterised in that: described branched perforation
In rifle, the resistance detonator (5) of first perforating gun (1) and second perforating gun (2) and the positive and negative level leading directly to igniting diode (6)
Being connected, the positive pole of straight-through igniting diode (6) and the resistance detonator (5) of first perforating gun (1) connect, straight-through igniting diode
(6) negative pole and the resistance detonator (5) of second perforating gun (2) connect；The resistance detonator (5) of described 3rd perforating gun (3)
Being connected with forward igniting diode (7), one end of forward igniting diode (7) connects the wire in the 3rd perforating gun (3), separately
One end connects the wire in second perforating gun (2)；The resistance detonator (5) of described 4th perforating gun (4) and negative sense igniting two
Pole pipe (8) connects, and one end of negative sense igniting diode (8) connects the wire in the 4th perforating gun (4), and the other end connects the 3rd
Prop up the wire in perforating gun (3).
The ignition process of coiled tubing sub-clustering perforation intelligent ignition device the most according to claim 1, it is characterised in that: institute
After having pipe string to be completed, precalculated position in lower going-into-well, first with the positive pole ignition function of straight-through igniting diode, first is penetrated
Hole rifle carries out operation of lighting a fire, igniting resistor detonator and perforating gun；After operation completes, above mention second bunch of position, with straight-through igniting
Second perforating gun is lighted a fire by the negative pole ignition function of diode；After having lighted a fire, fluid communication forward igniting two in well
Pole is managed, and carries out positive electric ignition on ground in the face of the 3rd perforating gun；After having lighted a fire, fluid communication negative sense igniting diode in well,
Negative electricity igniting is carried out in the face of the 4th perforating gun on ground；Such positive and negative ignition cycle, is sequentially completed the igniting operation of all bunches.
The ignition process of coiled tubing sub-clustering perforation intelligent ignition device the most according to claim 7, it is characterised in that: institute
State in coiled tubing decentralization process, in annular space and coiled tubing, be in communication state, when well control risk occurs, use reacting cycle
Carry out kill-job operation.
The ignition process of coiled tubing sub-clustering perforation intelligent ignition device the most according to claim 8, it is characterised in that: institute
Stating in lower going-into-well behind precalculated position, use pressuring method in coiled tubing, pipe is interior and pipe is outer is in isolation.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610780191.7A CN106223909A (en) | 2016-08-31 | 2016-08-31 | Coiled tubing clustering perforation intelligent ignition device and process |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610780191.7A CN106223909A (en) | 2016-08-31 | 2016-08-31 | Coiled tubing clustering perforation intelligent ignition device and process |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106223909A true CN106223909A (en) | 2016-12-14 |
Family
ID=58072553
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610780191.7A Pending CN106223909A (en) | 2016-08-31 | 2016-08-31 | Coiled tubing clustering perforation intelligent ignition device and process |
Country Status (1)
| Country | Link |
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| CN (1) | CN106223909A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112761593A (en) * | 2021-02-01 | 2021-05-07 | 大庆油田有限责任公司 | Intelligent pressure control perforation and bridge plug combined operation device and method |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20090050322A1 (en) * | 2007-08-20 | 2009-02-26 | Baker Hughes Incorporated | Wireless perforating gun initiation |
| CN102022101A (en) * | 2010-11-26 | 2011-04-20 | 大庆钻探工程公司测井公司 | Multi-stage perforating pressurizing device |
| CN202140075U (en) * | 2011-06-22 | 2012-02-08 | 中国石油集团川庆钻探工程有限公司 | Underground twice-ignition perforating system |
| CN103541696A (en) * | 2013-11-08 | 2014-01-29 | 大庆华翰邦石油装备制造有限公司 | Staged pressurized composite perforating device |
| CN104879110A (en) * | 2015-06-16 | 2015-09-02 | 中国石油集团川庆钻探工程有限公司 | Cluster perforation and staged fracturing combined process |
-
2016
- 2016-08-31 CN CN201610780191.7A patent/CN106223909A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20090050322A1 (en) * | 2007-08-20 | 2009-02-26 | Baker Hughes Incorporated | Wireless perforating gun initiation |
| CN102022101A (en) * | 2010-11-26 | 2011-04-20 | 大庆钻探工程公司测井公司 | Multi-stage perforating pressurizing device |
| CN202140075U (en) * | 2011-06-22 | 2012-02-08 | 中国石油集团川庆钻探工程有限公司 | Underground twice-ignition perforating system |
| CN103541696A (en) * | 2013-11-08 | 2014-01-29 | 大庆华翰邦石油装备制造有限公司 | Staged pressurized composite perforating device |
| CN104879110A (en) * | 2015-06-16 | 2015-09-02 | 中国石油集团川庆钻探工程有限公司 | Cluster perforation and staged fracturing combined process |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112761593A (en) * | 2021-02-01 | 2021-05-07 | 大庆油田有限责任公司 | Intelligent pressure control perforation and bridge plug combined operation device and method |
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Application publication date: 20161214 |
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| RJ01 | Rejection of invention patent application after publication |