CN2779059Y - Energy gathered bullet composite blast perforation apparatus - Google Patents
Energy gathered bullet composite blast perforation apparatus Download PDFInfo
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- CN2779059Y CN2779059Y CN 200520089549 CN200520089549U CN2779059Y CN 2779059 Y CN2779059 Y CN 2779059Y CN 200520089549 CN200520089549 CN 200520089549 CN 200520089549 U CN200520089549 U CN 200520089549U CN 2779059 Y CN2779059 Y CN 2779059Y
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- perforation
- bullet
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- well
- gun
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- 239000002131 composite material Substances 0.000 title abstract 2
- 239000003129 oil well Substances 0.000 claims abstract description 22
- 150000001875 compounds Chemical class 0.000 claims description 13
- 239000003999 initiator Substances 0.000 claims description 9
- 238000005422 blasting Methods 0.000 claims description 8
- 230000001186 cumulative effect Effects 0.000 claims description 4
- 238000010276 construction Methods 0.000 abstract description 2
- 230000035515 penetration Effects 0.000 abstract 3
- 239000003921 oil Substances 0.000 description 18
- 238000000034 method Methods 0.000 description 6
- 238000004880 explosion Methods 0.000 description 4
- 238000004519 manufacturing process Methods 0.000 description 4
- 230000005540 biological transmission Effects 0.000 description 3
- 230000000149 penetrating effect Effects 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 239000002184 metal Substances 0.000 description 2
- 208000035620 Eye penetration Diseases 0.000 description 1
- 229910000831 Steel Inorganic materials 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 239000004568 cement Substances 0.000 description 1
- 239000010779 crude oil Substances 0.000 description 1
- 238000005474 detonation Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000003116 impacting effect Effects 0.000 description 1
- 238000012856 packing Methods 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 239000011435 rock Substances 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
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Abstract
The utility model relates to an energy gathered bullet composite blast perforation apparatus which belongs to an oil well perforation apparatus class. At present, the oil well perforation apparatuses for oil fields at home and abroad all adopt a cable connection gun body and a perforation way without the gun body, after the perforation, the depth of penetration between the oil well and stratum is shallow, and thus, th well yield of the oil well is influenced. In order to overcome the disadvantages, the device adopts a structure which is composed of an energy gathered bullet perforation gun, a bullet penetration gun, a guide positioner and a packer, which are connected by an oil pipe through fasteners. After the first perforation is finished, the bullet penetration gun is arranged in the perforation through the perforation of the same oil layer in the well for the secondary perforation. A large stratum crack can be simultaneously generated when the bullet is penetrated with gathered energy, the shooting depth can be reached by more than 3 meters, and thus, the purpose of increase in yield of the oil well can be realized by enlarging the stratum crack. Because the device has the advantages of simple structure and convenient construction, the utility model can be widely used for initial stage well completion of the oil well in the oil field.
Description
Technical field:
The utility model relates to the compound blasting and perforating device of a kind of energy-concentrated bullet, belongs to oil well perforation device class.
Background technology:
After having bored oil well, to carry out perforation to the sleeve pipe in the oil well, the passage of oil reservoir can be opened and make crude oil in the stratum through the oil pipe inflow surface like this, traditional oil reservoir method of penetrating out, all adopting has the body of a gun and the perforating methods of the no body of a gun to finish, positive role is being brought into play in the construction of this gun perforation process in oil field development, but because the eye penetration depth of perforation is more shallow, make in can not be the fully smooth inflow well of oily stream in the duct, stratum, therefore also tend to have influence on the oil production of some oil wells, for this purpose both at home and abroad all in a kind of method of the stratum being carried out the secondary perforation of research, if can pass through the secondary duct, the duct is worn be deep in 3～4 meters on the stratum, field output is heightened.
The utility model content:
The purpose of this utility model is in order to overcome above-mentioned shortcoming, and the compound blasting and perforating device of a kind of energy-concentrated bullet that provides.This device was suitable for getting through the oil well gas channel in the oil and gas wells in oil fields completion initial stage, thereby made oil well output obtain increasing.The utility model is a kind of compound technique of perforating of developing on the basis of jet perforating gun perforator, be two kinds of perforation mode advantage concentrated reflections, during perforation bullet over the ground strata can go bankrupt and give birth to crack and deep hole road, and bullet also can produce micro-explosion at duct, crack tail end, can increase the microcrack on stratum greatly, thereby realize oil well production increasing.
The utility model implementation is such.
For the utility model of achieving the above object is made up of by giving up of connecting of screw thread, compound locator, initiator, jet perforating rifle oil pipe, in the described jet perforating rifle bullet perforating rifle is housed, be equipped with two packer set on sleeve outer wall at jet perforating rifle outer wall upper and lower, connecting a tail pipe and plug in jet perforating rifle bottom, the injecting type cumulative oil well perforation bullet of no sub warhead is housed in the described jet perforating rifle, is adorning the bullet that has sub warhead in the bullet perforating rifle.
The utility model working method is:
At first adopt the tubing transmission mode to carry two cover packer and jet perforating rifle G.I.Hs, by measuring jet perforating rifle location and seat are enclosed on the casing wall, (Fig. 1), when perforating gun aim at oil reservoir then caber (or toward well in pressurization) ignite the perforating bullet in the perforating gun, make it to penetrate and wear the stratum, rifle implode residue all falls in the tail pipe at this moment, so far for the first time shooting away the hole finishes, then, trip out tubing string immediately, make and give up and rifle body disengaging (Fig. 2).Still adopt the tubing transmission mode subsequently, with compound locator, initiator and bullet perforating rifle G.I.H have the former spud section (Fig. 3) of penetrating of jet perforating rifle, after confirming that at ground test the location is errorless, ignite again (caber or pressure detonate), thereby realized in well, finishing follow-up of secondary bullet and micro-explosion perforation in an eyelet, upper lifting pipe post again after perforation finishes, and with well cohesive energy perforating gun body, packer, bullet perforating rifle body, is given up and tail pipe all takes out in oil well at compound locator, so far, can finish the utility model proposes of task.
The utility model compared with prior art has distinguishing feature:
Because this device has adopted the compound blasting and perforating device of bullet, after oil reservoir being carried out perforation at perforating gun, adopt compound locator to be lowered to the second stand bullet perforating gun again and carry out the secondary perforation in former borehole position, make bullet in the stratum not only CUMULATIVE BLASTING can make the stratum produce the duct, crack again, penetrate the duct darker, generally can reach 3～4 meters, because bullet can increase the microcrack on stratum again greatly at duct, crack micro-explosion that tail end produces, so more help realizing oil well production increasing in addition.This device is set upright the body of a gun by packer and the accurate location of compound locator in addition, has ensured that more the secondary preforation tunnel overlaps, thereby can prevent that mistake from penetrating, and can increase the dark effect of wearing of perforation, and this device has been opened up the new way of oil well perforation.
Description of drawings:
Fig. 1 is the utility model jet perforating rifle structural representation.
Fig. 2 is a well inner structure schematic diagram behind the utility model jet perforating rifle perforation.
Fig. 3 is a well inner structure schematic diagram behind the utility model bullet perforating rifle perforation.
Among the figure by 1, sleeve pipe, 2, oil pipe, 3, give up, 4, orienting locator, 5, initiator, 6, upper packer, 7, the jet perforating rifle, 8, lower packet, 9, tail pipe, 10, plug, 11, the bullet perforating rifle, 12, the perforating gun eyelet forms.
The specific embodiment:
The utility model is provided by following examples, is illustrated below in conjunction with accompanying drawing.
Among Fig. 1, oil well casing 1 is 5 ～7 o'clock sleeve pipes, pipe is outer to be cement and oil reservoir, the oil pipe 2 of packing in the sleeve pipe, when this tubing size is 2 , by screwed connection give up 3 and orienting locator 4 (be provided with gathering sill in the orienting locator, when rotating, oil pipe can drive in the key card entry slot in the gathering sill, make it to be fixed on a certain position), initiator 5 is impacting type initiators that are connected locator 4 bottoms, only need to drop into a weight to the down-hole during perforation and just can ignite this device on ground, make it to be connected the oil well perforation bullet blast cumulative in the jet perforating rifle 7 and to form collection shape metal air-flow by directive stratum in the shower nozzle eyelet 12 in the jet perforating rifle with detonating fuse, the depth of stratum of injecting can reach about one meter, the jet perforating body of a gun 7 external diameters are 102～127mm, equally distributed flame eyelet 12 is arranged on the body of a gun circumference, below the body of a gun, a tail pipe 9 with screwed connection, the effect of tail pipe is to collect remaining residue in body of a gun blast back, when playing oil pipe, in well, play ground in the lump, one plug 10 is arranged below tail pipe 9, in addition for prevent that the jet perforating rifle from rocking in well, special body of a gun skin be lowered to a pair of on, lower packet 6,8, this packer is lowered to by the oil pipe tubing string, after being lowered into desired depth, only need to rotate Y151 pressure type base sealed packer 6 that oil pipe can make top and the Y211 pressure rotation of bottom do sealed packer 8 firmly seat be enclosed on the inwall of sleeve pipe 1, and the body of a gun be fixed on certain position do not rock.
Showed among Fig. 2, Fig. 3 jet perforating rifle 7 penetrate decide the hole after, the situation in the oil well.As seen from the figure, at first 3 break away from by giving up with jet perforating rifle 7 with oil pipe 2, after playing flowline 2, change to initiator 5 (Fig. 3) bullet perforating rifle 11 then, pass through the tubing transmission mode once more with direct bearing device 4, initiator 5, the bullet perforating rifle is lowered in the well, and aim at the preforation tunnel position of staying behind the perforation for the first time on the casing wall by orienting locator 4, after definite body of a gun location is errorless, finish bullet follow-up perforation with caber or with the pressure detonation way then, described bullet perforating rifle 11 is a metal hollow steel pipe chamber, in bullet is housed, and bullet is connected with the initiator 5 that transmits ignition with detonating fuse, this time perforation bullet penetrates in the stratum from the sleeve pipe eyelet of perforation first, and in the duct, stratum, produce micro-explosion once more, thereby formation fracture is expanded more, highly beneficial to realizing oil well production increasing like this, carry tubing string 2 on after finishing the perforation second time, this moment, bullet perforating rifle body 11, orienting locator 4 give up 3 and tail pipe 8 all tripped out the ground well head, finally finish compound blasting and perforating.
Claims (2)
1, the compound blasting and perforating device of a kind of energy-concentrated bullet is made up of by give up (3), orienting locator (4), initiator (5), the jet perforating rifle (7) of screwed connection oil pipe (2); It is characterized in that: be equipped with in the jet perforating rifle (7) that bullet perforating rifle (11), jet perforating rifle (7) outer wall upper and lower are equipped with two packers (6), (8) seat is enclosed on the internal surface of sleeve pipe, connecting a tail pipe (9) and plug (10) in jet perforating rifle (7) bottom.
2, the compound blasting and perforating device of a kind of energy-concentrated bullet according to claim 1 is characterized in that: the injecting type cumulative oil well perforation bullet of no sub warhead is housed in the jet perforating rifle (7), and the bullet perforating rifle is being adorned the bullet that has sub warhead in (11).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200520089549 CN2779059Y (en) | 2005-03-04 | 2005-03-04 | Energy gathered bullet composite blast perforation apparatus |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200520089549 CN2779059Y (en) | 2005-03-04 | 2005-03-04 | Energy gathered bullet composite blast perforation apparatus |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2779059Y true CN2779059Y (en) | 2006-05-10 |
Family
ID=36753148
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200520089549 Expired - Fee Related CN2779059Y (en) | 2005-03-04 | 2005-03-04 | Energy gathered bullet composite blast perforation apparatus |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2779059Y (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101906955A (en) * | 2010-07-30 | 2010-12-08 | 中国石油集团川庆钻探工程有限公司井下作业公司 | Oil and gas well underground straddle packing layer-by-layer fracture acidizing tool tubular column structure |
| CN101749000B (en) * | 2010-01-18 | 2012-10-03 | 张宣来 | Energy-concentrated bullet blasting and perforating process |
| CN104563932A (en) * | 2014-01-24 | 2015-04-29 | 大庆红祥寓科技有限公司 | Depth-positioning projecting tool |
| CN109209274A (en) * | 2018-08-30 | 2019-01-15 | 西华大学 | A kind of bilayer sleeve oriented perforating auxiliary windowing method |
| CN108979579B (en) * | 2018-08-30 | 2020-06-26 | 西华大学 | Auxiliary windowing process for directional blasting perforation of thick-wall casing |
-
2005
- 2005-03-04 CN CN 200520089549 patent/CN2779059Y/en not_active Expired - Fee Related
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101749000B (en) * | 2010-01-18 | 2012-10-03 | 张宣来 | Energy-concentrated bullet blasting and perforating process |
| CN101906955A (en) * | 2010-07-30 | 2010-12-08 | 中国石油集团川庆钻探工程有限公司井下作业公司 | Oil and gas well underground straddle packing layer-by-layer fracture acidizing tool tubular column structure |
| CN101906955B (en) * | 2010-07-30 | 2014-01-01 | 中国石油集团川庆钻探工程有限公司井下作业公司 | Oil and gas well underground straddle packing layer-by-layer fracture acidizing tool tubular column structure |
| CN104563932A (en) * | 2014-01-24 | 2015-04-29 | 大庆红祥寓科技有限公司 | Depth-positioning projecting tool |
| CN109209274A (en) * | 2018-08-30 | 2019-01-15 | 西华大学 | A kind of bilayer sleeve oriented perforating auxiliary windowing method |
| CN108979579B (en) * | 2018-08-30 | 2020-06-26 | 西华大学 | Auxiliary windowing process for directional blasting perforation of thick-wall casing |
| CN109209274B (en) * | 2018-08-30 | 2020-06-26 | 西华大学 | Double-layer casing directional perforation auxiliary windowing method |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| ASS | Succession or assignment of patent right |
Owner name: JINZHOU BOHAI PETROLEUM NEW TECHNOLOGY DEVELOPMEN Free format text: FORMER OWNER: ZHANG XUANLAI Effective date: 20070810 |
|
| C41 | Transfer of patent application or patent right or utility model | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20070810 Address after: 2-101 G building, European community, Xinglongtai District, Liaoning, Panjin 124010 Patentee after: Jinzhou Bohai Petroleum New Technology Development Co., Ltd. Address before: 2-101 G building, European community, Xinglongtai District, Liaoning, Panjin 124010 Patentee before: Zhang Xuanlai |
|
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20060510 Termination date: 20130304 |