CN200958386Y - High-aperture-density path windowmaker - Google Patents
High-aperture-density path windowmaker Download PDFInfo
- Publication number
- CN200958386Y CN200958386Y CN 200620065689 CN200620065689U CN200958386Y CN 200958386 Y CN200958386 Y CN 200958386Y CN 200620065689 CN200620065689 CN 200620065689 CN 200620065689 U CN200620065689 U CN 200620065689U CN 200958386 Y CN200958386 Y CN 200958386Y
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- China
- Prior art keywords
- gun
- full aperture
- aperture perforation
- interlayer
- rifle
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- Expired - Lifetime
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Abstract
A high hole-dense full pore penetrator, of which the double male gun and male-female gun adapters are connected with both ends of a spacer gun, and a locating disc unit of the spacer gun is fixed on the double male gun and male-female gun adapters of the full pore perforating gun directly, while the locating disc unit of the spacer gun is provided with a weakening groove; A detonating fuse is put into a boster through the spacer gun locating disc and a stop tube. The boster is level to the end surface of the spacer gun locating disc, and is fixed through a screw plug; an explosive charge and a spacer charge are arranged on a firing mount and are fixed by a clamp spring; the firing mount is fixed directly by the locating disc unit, and the locating disc unit of the perforating gun is provided with a reliable and destructed blasting unit. The full pore penetrator perforation has density, long penetrating depth and large hole diameter, and a smooth fluency channel is formed of the same internal diameter with the oil pipe through the exploder, the gun cascade adapter, the gun tube internal chamber till to the gun holder, after the perforation, and the successive activities as well testing, testing and acidification can be carried out directly; no well compressing is needed at the time of perforation, so as to avoid formation contaminant, shorten the operating cycle and save construction cost.
Description
Technical field
The utility model relates to the perforating system field of oil field downhole perforation operation, specifically is the close full aperture perforation device in a kind of high hole.
Background technology
In petroleum industry, oil field downhole perforation operation is the important ring in the oil production technology, is to be positioned at before the oil producing operation, the important operation procedure together after seismic prospecting, drilling well, well logging, well cementation, clear well.Behind the existing TCP technology perforation, firing mount in the perforation casing, positioning disk assembly distort under the blast impulse effect of firer's equipment such as perforating bullet, be filled in together in the gun barrel with the fragment of perforating bullet shell, also have gun joint and priming device inner chamber all can't form effective passage.Carried out subsequent jobs such as production logging, fracture acidizing, formation testing, brought very big trouble.At present, in order to carry out subsequent jobs such as production logging, fracture acidizing, formation testing smoothly, common way is to lose rifle or play the perforation hole tubing string.Lose the rifle operation and must set up sump hole, the foundation of sump hole not only increases drilling cost but also make troubles for later workover treatment.Repeatedly remove the perforation tubing string, both prolonged duty cycle, increase operating cost again, and can not estimate the relevant physical parameter of oil gas well timely and accurately.
The utility model content
The purpose of the close full aperture perforation device in the high hole of the utility model is the problem that exists at the downhole perforation operation of above-mentioned oil field, propose a kind of perforation tubing string and connect joint, gun barrel inner chamber up to gun breech, can both form the close full aperture perforation device in high hole of the level and smooth smooth passage identical with pipe aperture from priming device, the body of a gun.The utility model is achieved in that the close full aperture perforation device in a kind of high hole, comprises all-pass footpath priming device, full aperture perforation rifle assembly, all-pass footpath interlayer gun assembly, detonating fuse, pocket rifle, discharges gun breech; The priming device of described priming device optional pressure and caber dual mode is provided with the fire-working component of self-destroying function in it.Described interlayer gun assembly comprises interlayer gun, interlayer gun positioning disk assembly, full aperture perforation rifle male and female gun joint, the two public gun joints of full aperture perforation rifle, detonating fuse, detonating primer and retaining pipe; Full aperture perforation rifle male and female gun joint, the two public gun joints of full aperture perforation rifle are connected the two ends of interlayer gun, and interlayer gun positioning disk assembly directly is fixed on full aperture perforation rifle male and female gun joint and the two public gun joints of full aperture perforation rifle; Detonating fuse passes interlayer gun positioning disk and retaining pipe, pack into detonating primer and tight mouthful, and the end face of detonating primer and interlayer gun positioning disk tightens up by being screwed into plug screw, centering.Described full aperture perforation rifle assembly comprises perforating gun, firing mount, perforating bullet, interlayer bullet, perforating gun positioning disk assembly, full aperture perforation rifle male and female gun joint, the two public gun joints of full aperture perforation rifle, detonating fuse, detonating primer and retaining pipe; Full aperture perforation rifle male and female gun joint, the two public gun joints of full aperture perforation rifle are connected the two ends of perforating gun, and perforating gun positioning disk assembly is contained in the two ends of firing mount, leans on the fixedly position of firing mount in perforating gun of its spacer; Detonating fuse passes perforating gun positioning disk assembly and retaining pipe, also tight mouthful of the detonating primer of packing into, long bushing pipe and short bushing pipe are contained on the perforating gun positioning disk assembly, detonating primer and the end face of long bushing pipe with short bushing pipe, and perforating bullet and interlayer bullet are contained on the firing mount and with jump ring and tighten up.
The close full aperture perforation device in described high hole is connected between oil pipe and the gun breech, the full aperture perforation device can be gone up termination all-pass footpath pressure-resistant apparatus, the centre adds full aperture perforation rifle assembly, all-pass footpath interlayer gun assembly, following termination all-pass footpath priming device, and afterbody adds the pocket rifle and discharges gun breech; Described all-pass footpath pressure-resistant apparatus is provided with has the bearing disc that weakens structure; All-pass footpath priming device wherein is a pressure mode priming device.
The close full aperture perforation device in described high hole also can be directly at last termination all-pass footpath priming device, and the centre adds full aperture perforation rifle assembly, all-pass footpath interlayer gun assembly, and afterbody adds the pocket rifle and discharges gun breech; All-pass footpath priming device wherein is pressure mode priming device or caber mode priming device.
Described perforating gun positioning disk assembly can be provided with fire-working component---the powder column of reliable self-destruction by the fixing position of firing mount in perforating gun of spacer in it.
Described interlayer gun positioning disk assembly is fixed on full aperture perforation rifle male and female gun joint and the two public gun joints of full aperture perforation rifle; Can be provided with the weakening groove on the interlayer gun positioning disk assembly.
Described firing mount employing intensity is higher and can be shot quantity by adjustment firing mount structure, cloth bullet phase place and spacing, increase perforating bullet by the alloy of size degradation.
Described perforating bullet and interlayer bullet are the perforating bullet and the interlayer bullet of low-debris.
There is the chamfering of rounding off the two public gun joint inside of described full aperture perforation rifle male and female gun joint and full aperture perforation rifle.
Described full aperture perforation device is a high shot density perforator, and the close quantity in hole is 30~60 hole/rice.
The all-pass footpath priming device of the close full aperture perforation device in the high hole of the utility model is provided with fire-working component on the basis that utilizes traditional detonation mode and hermetically-sealed construction, be detonated behind perforation and form slick and sly latus rectum, is communicated with tubing string.All-pass footpath pressure-resistant apparatus is provided with the bearing disc that weakens structure, isolates the pressure between oil pipe and the perforating gun before perforation.All-pass footpath interlayer gun assembly directly is connected interlayer gun positioning disk assembly the two public gun joints of full aperture perforation rifle male and female gun joint and full aperture perforation rifle, change the mode that is fixed on the interlayer gun, connect firm, the bulk strength height, detonating fuse between the two-stage and detonating primer are good to neutrality up and down, and have the retaining pipe fastening, do not produce retraction and skew, propagation of explosion is reliable.The weakening groove that interlayer gun positioning disk assembly is provided with has avoided fried not broken behind the perforation, stops up the shortcoming of latus rectum.Add firer's assembly on the perforating gun positioning disk assembly of full aperture perforation rifle assembly, firing mount, perforating bullet, positioning disk etc. are reliably exploded into fragment during perforation, fall into shaft bottom or pocket rifle, have prevented behind the perforation fried not brokenly, stop up latus rectum.Firing mount is directly fixed with the positioning disk assembly, has cancelled collar, has prevented that collar from producing torsional deformation when perforation, stops up latus rectum.Behind the close full aperture perforation device perforation of the high hole of the utility model, connect joint, gun barrel inner chamber until gun breech from priming device, the body of a gun, can both form the level and smooth smooth passage identical with pipe aperture, can play the perforation hole tubing string and directly log well, subsequent job such as test, acidifying; And can avoid polluting without kill-job during perforation, shorten duty cycle, save operating expenses.
Description of drawings
Fig. 1 is the pipe string schematic diagram 1 of the close full aperture perforation device in the high hole of the utility model;
Fig. 2 is the pipe string schematic diagram 2 of the close full aperture perforation device in the high hole of the utility model;
Fig. 3 is the longitudinal sectional view of the interlayer gun assembly of the close full aperture perforation device in the high hole of the utility model;
Fig. 4 is the longitudinal sectional view of the positioning disk assembly of the close full aperture perforation device in the high hole of the utility model;
Fig. 5 is the longitudinal sectional view of the two public gun joints of full aperture perforation rifle of the close full aperture perforation device in the high hole of the utility model;
Fig. 6 is the longitudinal sectional view of the full aperture perforation rifle male and female gun joint of the close full aperture perforation device in the high hole of the utility model;
Fig. 7 is the longitudinal sectional view of the perforating gun assembly of the close full aperture perforation device in the high hole of the utility model;
Fig. 8 is the longitudinal sectional view of the perforating gun positioning disk assembly of the close full aperture perforation device in the high hole of the utility model.
The specific embodiment
Below in conjunction with the drawings and specific embodiments the close full aperture perforation device in the high hole of the utility model is described in detail.
The close full aperture perforation device in high hole is to be connected between oil pipe and the gun breech, can go up termination all-pass footpath pressure-resistant apparatus 1, the centre adds full aperture perforation rifle assembly 2, all-pass footpath interlayer gun assembly 3, following termination all-pass footpath priming device 4, afterbody adds boring device 5, pocket rifle 6 and discharges gun breech 7, all-pass footpath priming device detonates for the pressure mode, as shown in Figure 1.The full aperture perforation device also can be directly at last termination all-pass footpath priming device 4, the centre adds full aperture perforation rifle assembly 2, all-pass footpath interlayer gun assembly 3, afterbody adds boring device 5, pocket rifle 6 and discharges gun breech 7, and all-pass footpath priming device 4 can be pressure and two kinds of structures of caber, as shown in Figure 2.
All-pass footpath pressure-resistant apparatus 1 is provided with has the bearing disc that weakens structure, is used for isolating the pressure between oil pipe and the perforating gun before perforation, the sealing perforating gun; Rely on firer's element self-destruction of dress in the bearing disc to form latus rectum behind the perforation, be communicated with tubing string.
All-pass footpath priming device 4 can be pressure and two kinds of structures of caber, is provided with the fire-working component of self-destroying function in it, is used for realizing the formation of latus rectum.
Full aperture perforation rifle assembly 2 comprises perforating gun 25, firing mount 24, perforating bullet 22, interlayer bullet 23, perforating gun positioning disk assembly 21, full aperture perforation rifle male and female gun joint 15, the two public gun joints 11 of full aperture perforation rifle, detonating fuse 12, detonating primer 8 and retaining pipe 10.Full aperture perforation rifle male and female gun joint 15, the two public gun joints 11 of full aperture perforation rifle are connected the two ends of perforating gun 2; Perforating gun positioning disk assembly 21 is contained in the two ends of firing mount 24, and firing mount is directly fixed with the positioning disk assembly, has cancelled collar, has prevented that collar from producing torsional deformation when perforation, stops up latus rectum; Detonating fuse 12 penetrates perforating gun positioning disk assembly 21, retaining pipe 10 and detonating primer 8 and tight mouthful, and long bushing pipe 20 and short bushing pipe 26 are contained on the perforating gun positioning disk assembly 21, the end face of detonating primer 8 and long bushing pipe 26 and weak point bushing pipe 20; Perforating bullet 22 and interlayer bullet 23 are contained on the firing mount 24 and tighten up by jump ring; Two public gun joint 11 inside of full aperture perforation rifle male and female gun joint 15 and full aperture perforation rifle are set to the chamfering of rounding off, guarantee that latus rectum is level and smooth; Firing mount 24 adopts intensity higher, and again can be by the alloy firing mount of size degradation, and improves phase place and the spacing of adjusting firing mount structure, cloth bullet, increase the quantity that perforating bullet shoots, the close number in hole can reach 30~60 hole/rice, can be fallen into the shaft bottom by reliable fragmentation during perforation, and latus rectum is not resulted in blockage; Perforating bullet and interlayer bullet adopt low-chip perforating bullet and interlayer bullet, and its shell case adopts special material, and is different with routine, reasonable in design, explosive payload control is proper, forms very tiny chip when perforation, guarantees the aperture close with conventional perforating bullet simultaneously and wears dark.As shown in Figure 7.
Perforating gun positioning disk assembly 21 comprises perforating gun positioning disk 31, powder column 27, tamponade 28, screw 29 and spacer 30, and powder column has 4, compresses by tamponade 28, guarantees reliable self-destruction; Spacer 30 is mainly used in the fixedly position of firing mount 24 in perforating gun 25, as shown in Figure 8.
Claims (9)
1, the close full aperture perforation device in a kind of high hole, comprise all-pass footpath priming device, full aperture perforation rifle assembly, all-pass footpath interlayer gun assembly, detonating fuse, pocket rifle, discharge gun breech, it is characterized in that: described priming device inside is provided with the fire-working component of energy self-destruction; Described interlayer gun assembly comprises interlayer gun, interlayer gun positioning disk assembly, full aperture perforation rifle male and female gun joint, the two public gun joints of full aperture perforation rifle, detonating fuse, detonating primer and retaining pipe, full aperture perforation rifle male and female gun joint, the two public gun joints of full aperture perforation rifle are connected the two ends of interlayer gun, interlayer gun positioning disk assembly is fixed on latus rectum perforating gun male and female gun joint and the two public gun joints of full aperture perforation rifle, detonating fuse passes interlayer gun positioning disk and retaining pipe, also tight mouthful of the detonating primer of packing into, the end face of detonating primer and interlayer gun positioning disk tightens up by plug screw, centering; Described full aperture perforation rifle assembly comprises perforating gun, firing mount, perforating bullet, the interlayer bullet, perforating gun positioning disk assembly, full aperture perforation rifle male and female gun joint, the two public gun joints of full aperture perforation rifle, detonating fuse, detonating primer and retaining pipe, full aperture perforation rifle male and female gun joint, the two public gun joints of full aperture perforation rifle are connected the two ends of perforating gun, perforating gun positioning disk assembly is contained in the two ends of firing mount, the fixing position of firing mount in perforating gun, perforating bullet and interlayer bullet are contained on the firing mount and with jump ring and tighten up, detonating fuse passes perforating gun positioning disk assembly and retaining pipe, also tight mouthful of the detonating primer of packing into, long bushing pipe and short bushing pipe are contained on the perforating gun positioning disk assembly, detonating primer and the end face of long bushing pipe with short bushing pipe.
2, the close full aperture perforation device in high hole as claimed in claim 1, it is characterized in that: the close full aperture perforation device in described high hole is to go up termination all-pass footpath pressure-resistant apparatus, the centre adds full aperture perforation rifle assembly, all-pass footpath interlayer gun assembly, following termination all-pass footpath priming device, afterbody adds the pocket rifle and discharges gun breech; Described all-pass footpath pressure-resistant apparatus is provided with has the bearing disc that weakens structure; Described all-pass footpath priming device is a pressure mode priming device.
3, the close full aperture perforation device in high hole as claimed in claim 1, it is characterized in that: the close full aperture perforation device in described high hole is at last termination all-pass footpath priming device, the centre adds full aperture perforation rifle assembly, all-pass footpath interlayer gun assembly, and afterbody adds the pocket rifle and discharges gun breech; Described all-pass footpath priming device is pressure mode priming device or caber mode priming device.
4, as the close full aperture perforation device of claim 2 or 3 described high holes, it is characterized in that: described perforating gun positioning disk assembly is provided with fire-working component---the powder column of reliable self-destruction by the fixing position of firing mount in perforating gun of spacer in it.
5, the close full aperture perforation device in high hole as claimed in claim 4, it is characterized in that: described interlayer gun positioning disk assembly directly is fixed on full aperture perforation rifle male and female gun joint and the two public gun joints of full aperture perforation rifle, and interlayer gun positioning disk assembly is provided with the weakening groove.
6, the close full aperture perforation device in high hole as claimed in claim 5 is characterized in that: described firing mount employing intensity is higher and can by adjusting the phase place and the spacing of firing mount structure, cloth bullet, be increased the quantity that shoots of perforating bullet and interlayer bullet by the alloy of size degradation.
7, the close full aperture perforation device in high hole as claimed in claim 6 is characterized in that: described perforating bullet and interlayer bullet are the perforating bullet and the interlayer bullet of low-debris.
8, the close full aperture perforation device in high hole as claimed in claim 7 is characterized in that: there is the chamfering of rounding off the two public gun joint inside of described full aperture perforation rifle male and female gun joint and full aperture perforation rifle.
9, the close full aperture perforation device in high hole as claimed in claim 8, it is characterized in that: described full aperture perforation device is a high shot density perforator, the close quantity in hole is 30~60 hole/rice.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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CN 200620065689 CN200958386Y (en) | 2006-10-17 | 2006-10-17 | High-aperture-density path windowmaker |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
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CN 200620065689 CN200958386Y (en) | 2006-10-17 | 2006-10-17 | High-aperture-density path windowmaker |
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CN200958386Y true CN200958386Y (en) | 2007-10-10 |
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CN 200620065689 Expired - Lifetime CN200958386Y (en) | 2006-10-17 | 2006-10-17 | High-aperture-density path windowmaker |
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Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN101892822A (en) * | 2010-07-26 | 2010-11-24 | 郭明 | Quick connector of perforating gun |
CN103097653A (en) * | 2010-05-26 | 2013-05-08 | 埃克森美孚上游研究公司 | Assembly and method for multi-zone fracture stimulation of a reservoir autonomous tubular unit |
CN103261582A (en) * | 2010-12-17 | 2013-08-21 | 埃克森美孚上游研究公司 | Method for automatic control and positioning of autonomous downhole tools |
CN103590790A (en) * | 2013-11-26 | 2014-02-19 | 西安通源石油科技股份有限公司 | Simulating perforating bullet, composite perforator and perforating operation method |
-
2006
- 2006-10-17 CN CN 200620065689 patent/CN200958386Y/en not_active Expired - Lifetime
Cited By (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN103097653A (en) * | 2010-05-26 | 2013-05-08 | 埃克森美孚上游研究公司 | Assembly and method for multi-zone fracture stimulation of a reservoir autonomous tubular unit |
CN103097653B (en) * | 2010-05-26 | 2017-08-25 | 埃克森美孚上游研究公司 | Use the component and method of autonomous tubular units multizone fracturing yield increasing reservoir |
CN101892822A (en) * | 2010-07-26 | 2010-11-24 | 郭明 | Quick connector of perforating gun |
CN101892822B (en) * | 2010-07-26 | 2013-01-16 | 郭明 | Quick connector of perforating gun |
CN103261582A (en) * | 2010-12-17 | 2013-08-21 | 埃克森美孚上游研究公司 | Method for automatic control and positioning of autonomous downhole tools |
CN103590790A (en) * | 2013-11-26 | 2014-02-19 | 西安通源石油科技股份有限公司 | Simulating perforating bullet, composite perforator and perforating operation method |
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Granted publication date: 20071010 |
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EXPY | Termination of patent right or utility model |