CN100491692C - Compound perforator without body - Google Patents
Compound perforator without body Download PDFInfo
- Publication number
- CN100491692C CN100491692C CNB2005100960308A CN200510096030A CN100491692C CN 100491692 C CN100491692 C CN 100491692C CN B2005100960308 A CNB2005100960308 A CN B2005100960308A CN 200510096030 A CN200510096030 A CN 200510096030A CN 100491692 C CN100491692 C CN 100491692C
- Authority
- CN
- China
- Prior art keywords
- perforation
- perforating
- firing mount
- bullet
- stick
- 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.)
- Expired - Fee Related
Links
- 150000001875 compounds Chemical class 0.000 title claims abstract description 9
- 239000007769 metal material Substances 0.000 claims abstract description 3
- 238000010304 firing Methods 0.000 claims description 41
- 239000002184 metal Substances 0.000 claims description 3
- 229910052751 metal Inorganic materials 0.000 claims description 3
- 238000004663 powder metallurgy Methods 0.000 claims description 3
- 230000000295 complement effect Effects 0.000 claims description 2
- 239000000843 powder Substances 0.000 abstract description 6
- 238000010276 construction Methods 0.000 abstract description 5
- 230000000694 effects Effects 0.000 abstract description 3
- 238000005516 engineering process Methods 0.000 abstract description 3
- 238000004880 explosion Methods 0.000 abstract description 2
- 239000003208 petroleum Substances 0.000 abstract description 2
- 239000003721 gunpowder Substances 0.000 description 5
- 239000011435 rock Substances 0.000 description 5
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 4
- 238000005056 compaction Methods 0.000 description 4
- 206010011376 Crepitations Diseases 0.000 description 3
- 208000037656 Respiratory Sounds Diseases 0.000 description 3
- 229910000831 Steel Inorganic materials 0.000 description 3
- 239000004411 aluminium Substances 0.000 description 3
- 229910052782 aluminium Inorganic materials 0.000 description 3
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 3
- 238000013467 fragmentation Methods 0.000 description 3
- 238000006062 fragmentation reaction Methods 0.000 description 3
- 239000007789 gas Substances 0.000 description 3
- 239000010959 steel Substances 0.000 description 3
- 230000015572 biosynthetic process Effects 0.000 description 2
- 239000000567 combustion gas Substances 0.000 description 2
- 238000004891 communication Methods 0.000 description 2
- 239000002131 composite material Substances 0.000 description 2
- 239000002360 explosive Substances 0.000 description 2
- 229910052742 iron Inorganic materials 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 1
- 239000002390 adhesive tape Substances 0.000 description 1
- 238000002485 combustion reaction Methods 0.000 description 1
- 229910052802 copper Inorganic materials 0.000 description 1
- 239000010949 copper Substances 0.000 description 1
- 230000001186 cumulative effect Effects 0.000 description 1
- 238000000605 extraction Methods 0.000 description 1
- 239000002737 fuel gas Substances 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 230000001788 irregular Effects 0.000 description 1
- 238000005058 metal casting Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 239000003129 oil well Substances 0.000 description 1
- 230000001681 protective effect Effects 0.000 description 1
- 238000012797 qualification Methods 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
Images
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
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F42—AMMUNITION; BLASTING
- F42B—EXPLOSIVE CHARGES, e.g. FOR BLASTING, FIREWORKS, AMMUNITION
- F42B3/00—Blasting cartridges, i.e. case and explosive
- F42B3/02—Blasting cartridges, i.e. case and explosive adapted to be united into assemblies
Landscapes
- Engineering & Computer Science (AREA)
- Geology (AREA)
- Life Sciences & Earth Sciences (AREA)
- Mining & Mineral Resources (AREA)
- Environmental & Geological Engineering (AREA)
- Fluid Mechanics (AREA)
- Physics & Mathematics (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- General Engineering & Computer Science (AREA)
- Portable Nailing Machines And Staplers (AREA)
- Drilling And Exploitation, And Mining Machines And Methods (AREA)
- Pharmaceuticals Containing Other Organic And Inorganic Compounds (AREA)
Abstract
The present invention belongs to the field of petroleum exploiting technology, and is especially one kind of compound perforator without body for oil pipe construction. The compound perforator includes igniting head, detonating cord and perforating part. The perforating part consists of several serially connected perforating units, and each of the perforating units possesses one bullet clip and one bullet connected to the detonating cord. The bullet clip is made of fragile metal material and has powder column around it. During construction, the detonating cord is detonated with the electric detonator electrically and the bullet is then detonated to complete perforation. The explosion of the detonating cord and the bullet ignites the powder column and the burnt gas reaches its peak pressure in short time to obtain excellent perforating and crack extending effect, while crushing the bullet clip to avoid subsequent damage on the well.
Description
Technical field
The present invention relates to technical field of petroleum extraction, particularly a kind of compound perforator without body that was applicable to the oil pipe construction.
Background technology
In oil exploitation, oil reservoir is carried out perforation to be divided into by sleeve pipe enforcement perforation and mistake oil pipe enforcement perforation, perforation through tubing is with the body-free perforator of external diameter less than pipe aperture, down to the precalculated position, relevant oil reservoir is carried out again a kind of technology of perforation by the oil pipe in the well.Owing to be subjected to the qualification of perforating system outside dimension and the requirement of oil well protective casing, the physical dimension of perforating bullet and explosive payload are general all less than the perforator by the cover pipe construction, and the degree of depth on communication stratum does not have the dark like that of well-case perforating construction yet.The perforation through tubing device generally all has a firing mount, and each perforating bullet is installed on this firing mount.The firing mount of present perforation through tubing device mainly contains two kinds, a kind of is the screw type firing mount that adopts steel pipe to be processed into, perforating bullet is contained on the firing mount by different azimuth, realizes the leggy perforation, is exactly this screw type firing mount as the disclosed a kind of leggy firing mount of Chinese patent CN01212983; Another kind is the board-like firing mount made from steel plate, realizes a direction or is mutually the perforation of 180 ° of directions, has just adopted this metal plate type firing mount as the disclosed a kind of perforation through tubing apparatus of Chinese patent CN01212966.Above-mentioned this two class perforators have 2 weak points: the one, and they only have simple perforation function, as previously mentioned, limited because of its perforating bullet physical dimension and explosive loading amount, so it is relatively poor to link up the effect on stratum behind the perforation, and exist the compaction band of perforation tunnel to pollute; The 2nd, the spiral or board-like firing mount of steel behind perforation, because of its be difficult for broken or be distorted, situation such as distortion easily is stuck in the well, go into the well for the power tool in later stage and cause obstruction.
Summary of the invention
Problem to be solved by this invention is: a kind of oil pipe compound perforator without body of crossing is provided, this composite gun perforation device can be on perforating bullet explodes the basis of perforation, the combustion gas energy that increases powder charge is implemented twice work doing to target zone, eliminating the perforation compaction band pollutes, and make the perforation tunnel extend expansion with the form in crack, increase near wellbore formation and link up radius; And firing mount is easy to fragmentation when perforation, does not give to stay big relic in the well to keep the unobstructed of pit shaft.
The technical scheme that addresses the above problem is: the oil pipe compound perforator without body of crossing that is provided comprises igniter head, detonating fuse and perforation part, and this perforation partly comprises firing mount and the perforating bullet that is contained on the firing mount, and each perforating bullet links to each other with detonating fuse; Special feature of the present invention is: said perforation part is made up of a plurality of perforation unit that are cascaded, each perforation unit has a firing mount and a perforating bullet, said firing mount is made by the brittle metal material, periphery at this firing mount is equipped with the stick that coincide with the firing mount appearance, and the external diameter of this stick is the external diameter of perforation part.That is to say that stick is special-shaped stick, and do not have shell.During the perforation through tubing operation, with under this perforating system in the well preposition, switch on and detonate electric cap and ignite detonating fuse, detonating fuse is ignited perforating bullet then and is finished perforation, the blast of the perforating bullet acting gunpowder that also ignites, the gas impulse that gunpowder forms impacts the rock stratum and loads, and makes the rock stratum form many crackles along each perforation tunnel; Simultaneously, firing mount also can be by abundant fragmentation in the perforation process, can not form big fragmentation and gives and cause later stage harm in the well.
Compared with prior art, be equipped with uncanned special-shaped stick on the unit firing mount of this perforating system, the formed irregular combustion of powder column that kindles a fire of perforating bullet explosion energy, can make combustion gas reach surge pressure fast, it can produce synergy with the perforating bullet cumulative perforation, makes the effect of perforation better, can impact the rock stratum again and load, the compaction band of eliminating the perforation tunnel pollutes, and forms many crackles along each perforation tunnel, obtains good communication effectiveness.Another advantage of the present invention is that the perforation part is made up of a plurality of perforations unit, and each perforation unit can assemble by a phase bit as required and form, and the length of perforation part also can be regulated according to reservoir thickness, and easy and simple to handle.
Above-mentioned firing mount can adopt powder metallurgy sintered, as iron-based, copper base or aluminium base powdered metallurgical material; Also can adopt the brittle metal foundry goods,, but preferably adopt powder metallurgy sintered as metal castings such as iron, aluminium.
Can connect by pin between above-mentioned each perforation unit;
A reference column extends in the firing mount upper end central authorities of above-mentioned each perforation unit, is provided with the detent that is complementary with this reference column in the lower end of firing mount, like this connection between each perforation unit of carrying out that can be convenient;
The preferably just equilateral prism of above-mentioned said reference column, its limit number is determined by the perforation phase place;
The counterweight tubing string of suitable length and weight is set on above-mentioned igniter head, and the uplift force that forms in the pit shaft in the time of can avoiding constructing like this makes the cable upper punch or beats and turn round.
Description of drawings
Fig. 1 is overall structure figure of the present invention.
Fig. 2 is the partial structurtes figure of perforation part of the present invention.
Fig. 3 is the structure chart of perforation unit among Fig. 2.
The specific embodiment
Fig. 1, Fig. 2 and Fig. 3 have provided embodiments of the invention.
As shown in Figure 1: perforation part and breech 10 that this composite gun perforation device mainly is composed in series by the cable connector 1 that connects successively, contact wiring joint 2, magnetic locator 3, counterweight tubing string 4, igniter head 5, firing mount joint 8, by a plurality of perforations unit 9 are formed.Electric cap 6 is housed in igniter head 5, and its lower end and the detonating fuse of drawing seal with adhesive tape 7.The upper end of first perforation unit of perforation part is connected with firing mount joint 8, and the lower end of last perforation unit is connected with breech 10.
As Fig. 2, shown in Figure 3: each perforation unit 9 of perforation part links together by certain phase place and Kong Mi as requested.Each perforation unit 9 by a band card play the firing mount 12 of groove, perforating bullet 11 and the stick 13 that is assemblied in this firing mount card bullet groove formed, wherein firing mount 12 adopts aluminium base powdered metallurgical material, stick 13 is enclosed in the outside of firing mount 12, and be provided with the preformed hole 19 of perforating bullet, so that installation perforating bullet, stick 13 can use single-base powder, double-base powder or compound gunpowder to make.For detonating fuse 14 is not protruded outside, on stick 13, also be provided with the laying groove of detonating fuse 14, detonating fuse 14 is along the assembling of this laying groove, blocks 15 and links to each other with fixing between detonating fuse and the perforating bullet.
Connected mode between each perforation unit is: by pin each unit firing mount is linked together.A reference column 16 extends in the firing mount 12 upper end central authorities of each perforation unit 9 in this example, and the top of reference column is positive eight prisms, also is provided with pin hole 17 on the reference column; Firing mount 12 lower ends of perforation unit 9 are provided with corresponding detent 18.During connection, the reference column of a perforation unit 16 inserts in the detent 18 of another adjacent perforation unit, with pin 20 both is linked together then.
The perforation part of this example is assembled the maximum outside diameter≤54mm of perforating system by the Kong Mi of every meter 16 perforation unit, the phase place of 45 ° of dextrorotation.This perforating system with under the cable in the well behind the preposition, detonate electric cap 6 and ignite detonating fuse 14 of energising, detonating fuse is ignited each perforating bullet 11 successively, the perforating bullet gunpowder that ignites; The gas impulse that is produced by gunpowder impacts loading to the rock stratum, makes the rock stratum form many crackles along each perforation tunnel.In the mechanism of perforation and high-energy fuel gas, greater than 2000 ℃ high temperature, approximately the pressure of 100MPa also can crack the perforation compaction band, removes the obstruction impurity in the former seepage flow slit, increases the seepage flow speed of near wellbore formation, improves the oil gas well capacity.
Claims (8)
1, a kind of compound perforator without body, comprise igniter head (5), detonating fuse (14) and perforation part, this perforation partly comprises firing mount and the perforating bullet that is contained on the firing mount, each perforating bullet links to each other with detonating fuse (14), it is characterized in that said perforation part is made up of a plurality of perforation unit (9) that are cascaded, each perforation unit (9) has a firing mount (12) and a perforating bullet (11), said firing mount (12) is made by the brittle metal material, periphery at this firing mount (12) is equipped with the stick (13) that coincide with the firing mount appearance, and the external diameter of this stick (13) is the external diameter of perforation part.
2, perforating system as claimed in claim 1 is characterized in that said firing mount (12) adopts powder metallurgy sintered.
3, perforating system as claimed in claim 1 is characterized in that said firing mount (12) adopts the brittle metal foundry goods.
4, as claim 1 or 2 or 3 described perforating systems, it is characterized in that a reference column (16) extends in firing mount (12) the upper end central authorities of said each perforation unit (9), be provided with the detent (18) that is complementary with this reference column in the lower end of firing mount.
5, perforating system as claimed in claim 4 is characterized in that said reference column (16) is just equilateral prism.
6, perforating system as claimed in claim 4 is characterized in that connecting by pin (20) between said each perforation unit (9).
7,, it is characterized in that on stick (13), being provided with the laying groove of detonating fuse (14) as claim 2 or 3 said perforating systems.
8, perforating system as claimed in claim 6 is characterized in that being provided with the laying groove of detonating fuse (14) on stick (13).
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2005100960308A CN100491692C (en) | 2005-09-15 | 2005-09-15 | Compound perforator without body |
| PCT/CN2006/002216 WO2007031001A1 (en) | 2005-09-15 | 2006-08-29 | Compound perforator without body |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2005100960308A CN100491692C (en) | 2005-09-15 | 2005-09-15 | Compound perforator without body |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1740513A CN1740513A (en) | 2006-03-01 |
| CN100491692C true CN100491692C (en) | 2009-05-27 |
Family
ID=36093024
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNB2005100960308A Expired - Fee Related CN100491692C (en) | 2005-09-15 | 2005-09-15 | Compound perforator without body |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN100491692C (en) |
| WO (1) | WO2007031001A1 (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2012088984A1 (en) * | 2010-12-29 | 2012-07-05 | 西安通源石油科技股份有限公司 | Powder charging structure of composite fracturing perforation device |
| US8943944B2 (en) | 2011-12-15 | 2015-02-03 | Tong Oil Tools Co., Ltd | Structure for gunpowder charge in multi-frac composite perforating devices |
| US8960289B2 (en) | 2009-11-11 | 2015-02-24 | Tong Oil Tools Co., Ltd. | Combined fracturing and perforating method and device for oil and gas well |
| US9027667B2 (en) | 2009-11-11 | 2015-05-12 | Tong Oil Tools Co. Ltd. | Structure for gunpowder charge in combined fracturing perforation device |
| US9297243B2 (en) | 2010-12-29 | 2016-03-29 | Tong Oil Tools Co., Ltd | Composite perforation method and device with propping agent |
| US9297242B2 (en) | 2011-12-15 | 2016-03-29 | Tong Oil Tools Co., Ltd. | Structure for gunpowder charge in multi-frac composite perforating device |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103939077A (en) * | 2014-05-04 | 2014-07-23 | 山东科技大学 | Perforation and fracturing method for high-stress and low-porosity coal seams |
| CN111305798B (en) * | 2020-04-09 | 2024-05-28 | 中国石油天然气集团有限公司 | Clustering selective-transmitting bridge shooting combined perforation module |
| CN111764873B (en) * | 2020-06-24 | 2022-06-17 | 西安物华巨能爆破器材有限责任公司 | Cable conveying oil pipe perforating is with no body of a gun unit rifle |
Family Cites Families (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4253523A (en) * | 1979-03-26 | 1981-03-03 | Ibsen Barrie G | Method and apparatus for well perforation and fracturing operations |
| US4467878A (en) * | 1981-09-04 | 1984-08-28 | Ibsen Barrie G | Shaped charge and carrier assembly therefor |
| US4496009A (en) * | 1983-09-20 | 1985-01-29 | Shell Oil Company | Through the tubing perforating gun assembly |
| US4951744A (en) * | 1989-08-16 | 1990-08-28 | Schlumberger Technology Corporation | Angularly shaped unitary structured base strip comprised of a specific material adapted for phasing charges in a perforating gun |
| US5095999A (en) * | 1990-08-07 | 1992-03-17 | Schlumberger Technology Corporation | Through tubing perforating gun including a plurality of phased capsule charges mounted on a retrievable base strip via a plurality of shatterable support rings |
| US5590723A (en) * | 1994-09-22 | 1997-01-07 | Halliburton Company | Perforating charge carrier assembly |
| US6062310A (en) * | 1997-03-10 | 2000-05-16 | Owen Oil Tools, Inc. | Full bore gun system |
| CN2309419Y (en) * | 1997-12-30 | 1999-03-03 | 西安市通源科技产业有限责任公司 | Double-jet perforator for oil-gas well |
| CN2464937Y (en) * | 2001-01-21 | 2001-12-12 | 西安石油勘探仪器总厂 | Perforating gun without gun body |
| CN2485422Y (en) * | 2001-02-06 | 2002-04-10 | 西安通源石油科技产业有限责任公司 | High energy composite hole shooter with external explosive load |
| CN2818774Y (en) * | 2005-09-15 | 2006-09-20 | 西安聚和石油技术开发有限公司 | Composite perforation device without gun body |
-
2005
- 2005-09-15 CN CNB2005100960308A patent/CN100491692C/en not_active Expired - Fee Related
-
2006
- 2006-08-29 WO PCT/CN2006/002216 patent/WO2007031001A1/en active Application Filing
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US8960289B2 (en) | 2009-11-11 | 2015-02-24 | Tong Oil Tools Co., Ltd. | Combined fracturing and perforating method and device for oil and gas well |
| US9027667B2 (en) | 2009-11-11 | 2015-05-12 | Tong Oil Tools Co. Ltd. | Structure for gunpowder charge in combined fracturing perforation device |
| WO2012088984A1 (en) * | 2010-12-29 | 2012-07-05 | 西安通源石油科技股份有限公司 | Powder charging structure of composite fracturing perforation device |
| US9297243B2 (en) | 2010-12-29 | 2016-03-29 | Tong Oil Tools Co., Ltd | Composite perforation method and device with propping agent |
| US8943944B2 (en) | 2011-12-15 | 2015-02-03 | Tong Oil Tools Co., Ltd | Structure for gunpowder charge in multi-frac composite perforating devices |
| US9297242B2 (en) | 2011-12-15 | 2016-03-29 | Tong Oil Tools Co., Ltd. | Structure for gunpowder charge in multi-frac composite perforating device |
Also Published As
| Publication number | Publication date |
|---|---|
| CN1740513A (en) | 2006-03-01 |
| WO2007031001A1 (en) | 2007-03-22 |
| WO2007031001A8 (en) | 2007-07-12 |
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| ASS | Succession or assignment of patent right |
Owner name: XI'AN TONGYUAN PETROLEUM TECHNOLOGY CO., LTD. Free format text: FORMER OWNER: XI'AN JUHE PETROLEUM TECHN DEVELOPMENT CO., LTD. Effective date: 20060929 |
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Effective date of registration: 20060929 Address after: High tech Zone technology two road 710075 Shaanxi city of Xi'an province No. 70 Software Park Lege Tang room D301 Applicant after: Xi'an Tongyuan Petrotech Co., Ltd. Address before: 710065, G006, West electronic mall, No. 18, electronic road, Shaanxi, Xi'an Applicant before: Xi'an Juhe Petroleum Techn Development Co., Ltd. |
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Owner name: ZHANG RUQING Free format text: FORMER OWNER: XI'AN TONGYUAN PETROLEUM TECHNOLOGY CO., LTD. Effective date: 20080118 |
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Effective date of registration: 20080118 Address after: The southern suburbs of Shaanxi city in Xi'an Province Ming Tak Road Xintai Park District building 22 unit 201 room post encoding: 710065 Applicant after: Zhang Ruqing Address before: High tech Zone technology two road Shaanxi city of Xi'an province No. 70 Software Park Lege Tang room D301 post encoding: 710075 Applicant before: Xi'an Tongyuan Petrotech Co., Ltd. |
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Owner name: GUANGYI XIELI OIL TECHNOLOGY DEVELOPMENT (BEIJING Free format text: FORMER OWNER: ZHANG RUQING Effective date: 20080530 |
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Effective date of registration: 20080530 Address after: Beijing City, Changping District science and Technology Park white floating Road 10 No. 2 No. Beikong science and technology building, No. 231 post encoding: 100220 Applicant after: Guangyi Xieli Petroleum Technology Development(Beijing) Co., Ltd. Address before: The southern suburbs of Shaanxi city in Xi'an Province Ming Tak Road Xintai Park District building 22 unit 201 room post encoding: 710065 Applicant before: Zhang Ruqing |
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Granted publication date: 20090527 Termination date: 20160915 |