CN201080818Y - Down-hole heat energy chemical reservoir perforating and fracturing device - Google Patents
Down-hole heat energy chemical reservoir perforating and fracturing device Download PDFInfo
- Publication number
- CN201080818Y CN201080818Y CNU2007200327729U CN200720032772U CN201080818Y CN 201080818 Y CN201080818 Y CN 201080818Y CN U2007200327729 U CNU2007200327729 U CN U2007200327729U CN 200720032772 U CN200720032772 U CN 200720032772U CN 201080818 Y CN201080818 Y CN 201080818Y
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- CN
- China
- Prior art keywords
- gun
- perforating
- perforation
- clipped wire
- fracturing device
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- 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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Abstract
The utility model relates to an under-well heat-energy chemical storage layer perforation fracturing device, in well tube, the lower end of the lowest oil tube is arranged with a deep short pitch, the lower end of the deep short pitch is connected with a screening tube, the lower end of the screening tube is arranged with an exploder that is connected with a control equipment on well by conductors, the lower end of the exploder is arranged with a centralizer, the lower end of the centralizer is connected with a gun head, the lower end of the gun head is arranged with at least a perforation gun, the cartridge clip in the perforation gun is arranged with alternately-arranged perforation charge with different directions and heights, one perforation charge and an adjacent perforation charge are connected by a denotation cord, a gun tail is arranged at lower end of the perforation gun, a metal granular chemical composite sleeve is arranged outside the perforation gun. The metal granular chemical composite sleeve is exploded at the rear of the perforation, a multi-stage pulse impact pressure is formed by the time control that gas is functioned on the bottom section of oil layer, the oil layer area forms a large amount of cracks and micro-cracks by metal granules along high pressure gas flow, so as to improve permeable structure of oil layer area, thereby solving pollution of wellbore area. The utility model can be popularized for application in oilfield.
Description
Technical field
The utility model belongs to method or the equipment technical field that producing oil, gas, water, solubilized maybe can be dissolved material from deep-well, is specifically related to perforating gun or beehive-shaped charge perforator.
Technical background
The patent No. is 96236053.8, denomination of invention is " an oil gas well cylindrical shape powder charge combined perforation fracturing device ", the stick of tubular or the solid propellant post of tubular are set in perforating gun, for the stick that prevents tubular or the solid propellant post blasting and perforating gun barrel of tubular, outer cover at the solid propellant post of the stick of tubular or tubular is equipped with the papery explosion-proof vent, in a joint perforating gun, adorn tens kilograms solid propellant, explosive payload is excessive, improved cost of production, solid propellant produces powerful pressure after detonation, the papery explosion-proof vent can not play explosion-proof, in putting into practice use, be easy to occur gun barrel by fried broken, the impaired phenomenon of oil well casing.
Summary of the invention
Technical problem to be solved in the utility model is to overcome the shortcoming of above-mentioned oil gas well cylindrical shape powder charge combined perforation fracturing device, provide a kind of reasonable in design, fracturing effect good, the down-hole heat energy chemical reservoir perforating and fracturing device little, that energy loss is little is polluted in the shaft bottom.
The technical scheme that solves the problems of the technologies described above employing is: in well casing; the lower end of next root oil pipe is provided with the dark pipe nipple in school that the lower end connects with screen casing; the lower end of screen casing is provided with the initiator that is connected with aboveground control appliance by lead; the lower end of initiator is provided with the centralizer that the lower end connects with the rifle head; the lower end of rifle head is provided with a joint perforating gun at least; cartridge clip in the perforating gun is provided with the staggered perforating bullet of different azimuth differing heights; a perforating bullet is connected with detonating fuse with an adjacent perforating bullet; lower end at perforating gun is provided with gun breech, in the outer setting of perforating gun the compound cover of clipped wire chemistry is arranged.
Include clipped wire in the compound cover of clipped wire chemistry of the present utility model.
The particle diameter of clipped wire of the present utility model is 1～3mm, at every 1cm
3The compound cover of clipped wire chemistry in include 2 or 3 clipped wires.
The utility model adopts at the compound cover of perforating gun outer setting clipped wire chemistry; behind the perforating bullet perforation; the compound cover of clipped wire chemistry is by detonation; by gas being acted on the control of the time of section at the bottom of the oil reservoir; form the multistage pulses surge; clipped wire is along with high pressure draught forms a large amount of cracks and microcrack with oil reservoir ground; improve oil reservoir ground sector hole and oozed structure; solved the pollution of nearly well band; form oil flow channel, improved oil productivity, reduced the primer amount; reduced the cost of production of perforating gun, can on the oil field, promote the use of.
Description of drawings.
Fig. 1 is the structural representation of an embodiment of the utility model.
The specific embodiment
Below in conjunction with drawings and Examples the utility model is further described, but the utility model is not limited to these embodiment.
Embodiment 1
In Fig. 1, the down-hole heat energy chemical reservoir perforating and fracturing device of present embodiment is made of oil pipe 1, the dark pipe nipple 2 in school, screen casing 3, initiator 4, centralizer 5, rifle head 6, perforating bullet 7, detonating fuse 8, gun breech 9, the compound cover 10 of clipped wire chemistry, perforating gun 11, cartridge clip 12,13 connections of connection hoop.
In well casing 14, the lower end of next root oil pipe 1 is passed through thread connection with connecting hoop 13 with the dark pipe nipple 2 in school, the lower end of the dark pipe nipple 2 in school connects with screen casing 3 by screw thread, and the lower end of screen casing 3 is equipped with initiator 4 by thread connection, and initiator 4 connects aboveground control appliance by lead and is connected.The lower end of initiator 4 is equipped with centralizer 5 by thread connection, centralizer 5 is used to prevent swing when the utility model from going into the well in well casing 14, the lower end of centralizer 5 is equipped with rifle head 6 by thread connection, the lower end of rifle head 6 is equipped with perforating gun 11 by thread connection, present embodiment is equipped with a joint perforating gun 11, the joint number that perforating gun 11 is installed should determine that a joint perforating gun 11 connects hoop 13 with an adjacent joint perforating gun 11 usefulness and connects according to the height of down-hole oil reservoir.Cartridge clip 12 is installed in perforating gun 11, out of phase differing heights on the cartridge clip 12 is equipped with perforating bullet 7, the arrangement position of perforating bullet 7 and quantity are identical with the perforating bullet 7 of oil gas well cylindrical shape powder charge combined perforation fracturing device, and a perforating bullet 7 is connected with an adjacent perforating bullet 7 usefulness detonating fuses 8.Be connected with gun breech 9 in the lower end of perforating gun 11 with connecting hoop 12, gun breech 9 is used to protect perforating gun 11, in case perforating gun 11 times breaks perforating gun 11 during to the shaft bottom.In the outer cover of perforating gun 11 the compound cover 10 of clipped wire chemistry is housed, chemical substance is compound makes by clipped wire, gunpowder, oxidant, reducing agent etc. for the compound cover 10 of clipped wire chemistry of present embodiment, and the particle diameter of clipped wire is 2mm, at every 1cm
3The compound cover 10 of clipped wire chemistry in include 3 clipped wires; because the utility model has adopted the compound cover 10 of this clipped wire chemistry; initiator 4 is ignited perforating bullet 7; perforating bullet 7 is at oilbearing stratum location perforation; the compound cover 10 of clipped wire chemistry is detonated; by gas being acted on the control of the time of oil reservoir; form the multistage pulses surge; clipped wire has improved oil reservoir ground sector hole and has oozed structure along with high pressure draught forms a large amount of cracks and microcrack with the oil reservoir location, has solved the pollution of nearly well band; form oil flow channel; improve oil productivity, reduced the primer amount, reduced the cost of production of perforating gun.
Embodiment 2
In the present embodiment, the particle diameter of clipped wire is 1mm in the compound cover 10 of clipped wire chemistry, at every 1cm
3The compound cover 10 of clipped wire chemistry in include 3 clipped wires.The connecting relation of other component and component is identical with embodiment 1.
Embodiment 3
In the present embodiment, the particle diameter of clipped wire is 3mm in the compound cover 10 of clipped wire chemistry, at every 1cm
3The compound cover 10 of clipped wire chemistry in include 2 clipped wires.The connecting relation of other component and component is identical with embodiment 1.
Claims (3)
1. down-hole heat energy chemical reservoir perforating and fracturing device; in well casing (14); the lower end of next root oil pipe (1) is provided with the dark pipe nipple in school (2) that the lower end connects with screen casing (3); the lower end of screen casing (3) is provided with the initiator (4) that is connected with aboveground control appliance by lead; the lower end of initiator (4) is provided with the centralizer (5) that the lower end connects with rifle head (6); the lower end of rifle head (6) is provided with a joint perforating gun (11) at least; cartridge clip (12) in the perforating gun (11) is provided with the staggered perforating bullet of different azimuth differing heights (7); a perforating bullet (7) is connected with detonating fuse (8) with an adjacent perforating bullet (7); be provided with gun breech (9) in the lower end of perforating gun (11), it is characterized in that: the outer setting at perforating gun (11) has clipped wire chemistry compound cover (10).
2. according to the described down-hole of claim 1 heat energy chemical reservoir perforating and fracturing device, it is characterized in that: include clipped wire in the said clipped wire compound cover of chemistry (10).
3. according to the described down-hole of claim 2 heat energy chemical reservoir perforating and fracturing device, it is characterized in that: the particle diameter of said clipped wire is 1～3mm, at every 1cm
3The compound cover of clipped wire chemistry (10) in include 2 or 3 clipped wires.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2007200327729U CN201080818Y (en) | 2007-09-17 | 2007-09-17 | Down-hole heat energy chemical reservoir perforating and fracturing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2007200327729U CN201080818Y (en) | 2007-09-17 | 2007-09-17 | Down-hole heat energy chemical reservoir perforating and fracturing device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201080818Y true CN201080818Y (en) | 2008-07-02 |
Family
ID=39614492
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2007200327729U Expired - Fee Related CN201080818Y (en) | 2007-09-17 | 2007-09-17 | Down-hole heat energy chemical reservoir perforating and fracturing device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201080818Y (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111624110A (en) * | 2020-06-04 | 2020-09-04 | 西安石油大学 | Deep sea hyposmosis reservoir supersonic kinetic energy fracturing ground targeting test device |
| CN113847001A (en) * | 2020-06-28 | 2021-12-28 | 中国石油化工股份有限公司 | Variable penetration cluster perforating gun suitable for staged fracturing of horizontal well and application method thereof |
-
2007
- 2007-09-17 CN CNU2007200327729U patent/CN201080818Y/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111624110A (en) * | 2020-06-04 | 2020-09-04 | 西安石油大学 | Deep sea hyposmosis reservoir supersonic kinetic energy fracturing ground targeting test device |
| CN113847001A (en) * | 2020-06-28 | 2021-12-28 | 中国石油化工股份有限公司 | Variable penetration cluster perforating gun suitable for staged fracturing of horizontal well and application method thereof |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| EE01 | Entry into force of recordation of patent licensing contract |
Assignee: Xian Tongda Industrial Co., Ltd. Assignor: Xi'an Jiyi Petroleum Technology Co., Ltd. Contract fulfillment period: 2009.11.27 to 2015.11.27 Contract record no.: 2009610000075 Denomination of utility model: Down-hole heat energy chemical reservoir perforating and fracturing device Granted publication date: 20080702 License type: Exclusive license Record date: 20091130 |
|
| LIC | Patent licence contract for exploitation submitted for record |
Free format text: EXCLUSIVE LICENSE; TIME LIMIT OF IMPLEMENTING CONTACT: 2009.11.27 TO 2015.11.27; CHANGE OF CONTRACT Name of requester: XI AN TONGDA INDUSTRY CO.,LTD. Effective date: 20091130 |
|
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20080702 Termination date: 20100917 |