CN200964837Y - Detachable perforating and fracturing sand-control device - Google Patents
Detachable perforating and fracturing sand-control device Download PDFInfo
- Publication number
- CN200964837Y CN200964837Y CN 200620148331 CN200620148331U CN200964837Y CN 200964837 Y CN200964837 Y CN 200964837Y CN 200620148331 CN200620148331 CN 200620148331 CN 200620148331 U CN200620148331 U CN 200620148331U CN 200964837 Y CN200964837 Y CN 200964837Y
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- boosting
- preceding storehouse
- sand
- diameter
- gland
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Abstract
A removable shooting hole pressure fracturing control sand device applied to the oil well, which comprises an oil shooting hole equipment and an aftereffect action part provided with an anti sand material and an impelling powder, the structure characteristics are the former storehouse backfilled with anti sand material and the impelling powder and a press lid that adopt plastic or other materials are formed by compressing, 90 degrees rotating mobile connecting of two neighboring former storehouse can be achieved by using a pin and a screw and other special structure; the working theory of the equipment is that when the shooting hole equipment is shooting hole, the anti sand material is pushed to the channel produced by the incidence flow and stay there by the powder blasting of the shooting hole equipment and the high pressure produced by the burning of the impelling powder, so as to form a permanent anti sand filter plug in the oil stratum. The filter plug can make the oil and gas pass through, but stop the flowing sand. The utility model can assemble the shooting hole pressure fracturing control sand operations at the scene, and can be freely disassembly, which is not only safe and convenient, but also greatly reduces the cost.
Description
One, technical field
The utility model relates to a kind of completion system that oil well uses, the detachable perforation pressing crack sand controlling device of specifically a kind of oil well.
Two, background technology
In the completion process of ravelly ground, must consider the sand problem that may occur in the oil well operation.Fine sand migration in the rock stratum can be controlled with anti-sand method, and all these methods all are to set up one every the sand district.Provide every the available mechanical means in sand district (as lining, filter screen, gravel packer), also can be by injecting resin and plastics are fixed realizes.Yet the latter needs complicated " perforation one injects " instrument and complete superb plastics consolidation technique technology, and these are all very backward in China.
Last century the nineties, the perforating and fracturing sand control technique that people begin one's study perforation and two operations of sand control are combined.This technology drives metal jet by explosive charge and penetrates sleeve pipe, cement sheath and penetrate enough dark duct in the petroliferous bed around, the high pressure that utilizes explosive detonation and powder burning to produce then pushes this duct with porous material and stays the there, forms permanent running sand filtration plug.Two operations of perforation and sand control are once finished, compared with sand control treatment, save complicated sand control treatment operation with traditional perforation, not only can save great amount of manpower and material resources and fund, and effect is lasting, need not to change midway, has reduced standing charges.
Yet owing to lack practical experience, design in the past also exists some obvious defects: at first be that magazine is steel-casting, weld together and to dismantle, will cut, waste time and energy with hacksaw when running into interlayer and needing bomb disposal and dangerous, use very inconvenient; Next is that cast steel firing mount quality is too heavy, too heavy for fear of perforating gun, must do very shortly, will use a lot of joints to connect perforating gun during field operation like this, therefore perforation quantity, the waste oil reservoir of oil reservoir have been reduced, influence oil and gas production----or the like, these deficiencies and defective have not only influenced the operation effectiveness of perforation pressing crack sand controlling technology, and the popularization of the large tracts of land of this technology of giving has brought difficulty.
Three, summary of the invention
The utility model is exactly at above problem, provides a kind of oil well detachable perforation pressing crack sand controlling device, makes that the perforation pressing crack sand controlling technology can arbitrarily be dismantled according to the oil reservoir concrete condition, assembled on site; The perforating gun weight of unit length has been reduced more than 30%, in place an order perforating gun length of the constant prerequisite of weight tangible increase is arranged like this.This design not only makes field operation safe ready more, and improved oil reservoir utilization rate, increased oil and gas production.
The utility model is achieved in that the detachable perforation pressing crack sand controlling device of a kind of oil well, it comprises petroleum perforator and can finish the after effect part of control sand effect, its architectural feature is that preceding storehouse and gland adopt plastics or other to add the low-density light material of hot extrusion molding, is connected with pin with screw between Qian Cang and Qian Cang, preceding storehouse and the gland.
Preceding storehouse upper surface is a rectangle, and it is 9.0-10.0 centimetre column type cavity that a diameter is dug out in the centre, and the cylinder height is the 25-45 millimeter, and cylinder the place ahead is a circular platform type, and a diameter is opened greater than 20 millimeters circular hole in the forefront.The Qian Cang two ends all are the planes, and a circular hole is opened in side center line bottom, diameter 6-12 millimeter, and the degree of depth is greater than 5 millimeters; Opposite side is parallel to the center line bilateral symmetry of upper surface and stays 2 outstanding cylinders, body diameter 6-12 millimeter, and height is greater than 5 millimeters.Preceding storehouse be shaped as column type.
Be close to preceding storehouse inner surface axial boosting cyclome is housed.The boosting cyclome is quick burning low-density gunpowder, propellant, and weight 25-40 gram is axial symmetry hollow solid annulus, thickness 5-8 millimeter, height 25-40 millimeter.The inner splendid attire sand prevention material of boosting cyclome, sand prevention material is made up of stainless steel pompon and high strength inert solid particle.Steel wire lump is made by the stainless steel wire of diameter 0.2-0.3 millimeter, for diameter less than 4 millimeters, highly be lower than 4 millimeters column type.The high strength inert solid particle plays a supportive role, and it can be white iron and steel, quartz sand, cullet etc., and particle size diameter and maximum diameter should be less than 5 millimeters.It above boosting cyclome and the sand prevention material boosting medicine cake radially.Boosting medicine cake is quick burning low-density gunpowder or propellant, and weight 25-40 gram is axial symmetry hollow solid cake, thickness 5-8 millimeter.Radially above the boosting medicine cake perforator and gland.
The outside of gland be rectangle or similarly rectangle, inboardly be centrosymmetric circular hole, be round table-like for a short time, thickness 8-15 millimeter on big at the bottom of the circular hole.Four jiaos are left four circular holes, in four circular holes on four screws, in order to fixing preceding storehouse.Stretch out a contiguous block in any side of gland, the contiguous block height is greater than 10 millimeters, and thickness is greater than 5 millimeters, and width is greater than 10 millimeters, and a round tube hole is opened by the upper part in the centre, and Circularhole diameter is greater than the 6--12 millimeter.
Owing to adopted such scheme, the detachable perforation pressing crack sand controlling device of the utility model oil well, can all adopt plastics or other can heat extrded material by preceding storehouse and gland makes, connection each other adopts screw and pin to realize: such device can be taken the scene and assemble as required, not only convenient but also safety, run into interlayer or core intersection deficiency, can solve by folder pad fill block.Owing to adopted plastics, not only cost reduces greatly in addition, and weight has also reduced many, and the weight of preceding storehouse and gland is 20% of steel only, greatly facilitates the transportation and the use of perforation pressing crack sand controlling device.
Four, description of drawings
Oil well perforation operation schematic diagram when Fig. 1 is oil exploration and oil recovery.
Fig. 2 is a common petroleum perforator structure chart.
Fig. 3 is the preceding storehouse partial sectional perspective view that the utility model adopts.
Fig. 4 is the gland partial sectional perspective view that the utility model adopts.
Fig. 5 is the utility model oil well with detachable perforation pressing crack sand controlling device schematic diagram.
Five, the specific embodiment
Shown in books 1.When petroleum recovering, be to setting of casing behind the oil drilling 1, again using cement stabilization between sleeve pipe 1 and the stratum 5, then perforator 3 is packed in the perforating gun 2, down appropriate depth in the sleeve pipe 1.After degree of depth calibration, just can carry out perforating job.
Fig. 3 is preceding storehouse 9 partial sectional perspective view that the utility model adopts, its design feature is that preceding storehouse 9 external forms are for cutting more than half cylinder of a slice along short transverse, the cylinder height is 10 ± 2 centimetres, diameter 10-12 centimetre, be parallel at cylindrical side that major axes orientation is parallel to be cut a small half ofly, the otch plane is a rectangle and parallel with main shaft.The otch plane is preceding storehouse 9 upper surfaces, and it is 9.0-10.0 centimetre column type cavity that a diameter is dug out in the centre, and the cylinder height is the 25-45 millimeter.Cylinder the place ahead is a round platform, and a diameter is opened greater than 20 millimeters round through hole in round platform the place ahead.9 both sides, preceding storehouse all are planes and parallel, and a circular hole is opened in center line bottom, a side, diameter 6-12 millimeter, and the degree of depth is greater than 5 millimeters; The horizontal central line bilateral symmetry of the parallel upper surface of opposite side is stayed two outstanding cylinders, body diameter 6-12 millimeter, and height is greater than 5 millimeters.
Fig. 4 is gland 10 partial sectional perspective view that the utility model adopts, its design feature is that the outer surface of gland 10 is rectangle or similar rectangle, the inboard is centrosymmetric round tube hole, through-hole diameter 5.0-7.0 centimetre, for a short time be round table-like on big at the bottom of the through hole, play fixing perforating bullet 3, gland 10 thickness 8-15 millimeters.10 4 jiaos of symmetries of gland leave four circular holes, in four circular holes on 4 screws, fixedly perforator 3 and preceding storehouse 9.Side at gland 10 is stretched out a contiguous block, and the contiguous block height is greater than 10 millimeters, then thickness greater than big 10 millimeters of 5 millimeters, width, a round tube hole is opened on contiguous block top between two parties, Circularhole diameter is greater than 6 millimeters.
Fig. 5 is that the utility model embodiment, its design feature are that two preceding storehouses, 9 side direction half-twists connect, two cylinders that 9 sides, preceding storehouse are outstanding, in the circular hole that is inserted in bottom another preceding storehouse 9 center lines, another is inserted on the gland 10 in the circular hole on the contiguous block, other preceding storehouse 9 is subsequent with quadrat method, has realized the connection of two preceding storehouses, 9 half-twists like this.Axial boosting cyclome 8 is equipped with in the 9 inner outsides, preceding storehouse, and boosting cyclome 8 is that low-density fast-burning powder or propellant are formed, and weight 25-40 gram is axial symmetry hollow solid annulus, thickness 5-8 millimeter, height 25-40 millimeter.Boosting cyclome 8 inboard splendid attire sand prevention materials 7, sand prevention material 7 is made up of stainless steel pompon and high strength inert solid particle.Steel wire lump is that the stainless steel wire of 0.2-0.3 millimeter is made by diameter, for diameter, highly all less than 4 millimeters small column.The high strength inert solid particle plays a supportive role, it can be particle diameters such as white bloom, quartz sand, cullet particle less than 5 millimeters, stay a diameter greater than 20 millimeters round tube hole in the middle of the sand prevention material 7.It on boosting cyclome 8 and the sand prevention material 7 boosting medicine cake 6 radially.Boosting medicine cake 6 is that low-density fast-burning powder or propellant are formed, and a diameter is opened greater than 40 millimeters through hole in the centre, and weight 25-40 gram is axial symmetry hollow solid cake.Core is equipped with perforator 3 above the boosting medicine cake 6, places gland 10 around the perforator 3, on the boosting medicine cake 6, and gland has 4 fixed screws 11 for four jiaos, is wound with detonating fuse 4 above the perforator 5.
Owing to adopted above scheme, the utility model oil well with detachable perforation pressing crack sand controlling device can by make the preceding storehouse 9 of plastics, gland 10 and in preceding storehouse 9 filling anti-sand material and boosting powder charge realize: after the perforating gun igniting, detonating fuse 4 is propagated detonation wave step by step.Ignite perforator 3, make its perforation in perforating gun 2, sleeve pipe 1 and oil reservoir 5, the powder charge detonation product of perforator 5 has been lighted radially boosting medicine cake 6 simultaneously.After 6 igniting of boosting medicine cake, produce a large amount of high energy gas, oil reservoir 5 is carried out the block clearing pressure break.Axially huge thrust is lighted a fire, produced to boosting cyclome 8 subsequently, promotes sand prevention material 7 to central motion, sprays in the circular hole of last 9 fronts, storehouse in the past, enters the duct that perforator 3 is got, and forms three-dimensional sand control plug in the duct.This sand control plug can allow oil gas pass through, and can block quicksand again, and Here it is oil well is with the operating principle of detachable perforation pressing crack sand controlling device.
Claims (7)
1. detachable perforation pressing crack sand controlling device of oil well, comprise petroleum perforator (3), detonating fuse (4), boosting medicine cake (6), sand prevention material (7), preceding storehouse of boosting cyclome (8) (9) and gland (10), its design feature is that boosting cyclome (8) is equipped with in the inner outside, preceding storehouse (9), sand prevention material (7) is equipped with in boosting medicine cake (6) inboard, sand prevention material (7) and boosting medicine cake (6) is housed above the boosting cyclome (8), perforator (3) is equipped with in the centre above the boosting medicine cake (6), be gland (10) on every side, detonating fuse (4) has pasted blast hole and has passed in perforator (3) back.
2. device according to claim 1, it is characterized in that preceding storehouse (9) external form is for cutting more than half cylinder of a slice along short transverse, the otch plane is a rectangle, and it is parallel with the cylinder main shaft, the cylinder height is 10 ± 2 centimetres, diameter 10-12 centimetre, the otch plane is the upper surface in preceding storehouse, it is 9.0-10 centimetre column type cavity that core digs out a diameter, 2.5-4.5 centimetre of cylinder height, cylindrical cavity front end are a circular platform type cavity, and a diameter is opened greater than 2.0 centimetres manhole in top, round platform the place ahead, both sides, preceding storehouse (9) all are planes and parallel, a circular hole is opened in center line bottom, one side, diameter 6-12 millimeter, and the degree of depth is greater than 5 millimeters; Another side horizontal diameter direction is stayed two outstanding cylinders, body diameter 6-12 millimeter, and height is greater than 5 millimeters.Preceding storehouse (9) but make for the solid material of plastics or other compression moulding.
3. device according to claim 1, it is characterized in that gland (10) is the rectangle laminated structure, outer surface is rectangle or similar rectangle, the inboard is centrosymmetric round tube hole, through-hole diameter 5.0-7.0 centimetre, for a short time be round table-like on big at the bottom of the through hole, play fixedly perforating bullet (3) effect, gland (10) thickness 8-15 millimeter, 4 angle symmetries leave 4 circular holes, in 4 circular holes on 4 screws, fixedly perforator (3) is with preceding storehouse (9), side at gland (10) is stretched out a contiguous block, and a round tube hole is opened on contiguous block top between two parties, and Circularhole diameter is greater than 6 millimeters.
4. device according to claim 1, it is characterized in that adjacent two preceding storehouse (9) side direction half-twists connect, two cylinders that side, preceding storehouse (9) is outstanding, in the circular hole that is inserted in bottom another preceding storehouse (9) center line, another is inserted in gland (10) and goes up in the circular hole of contiguous block, and other preceding storehouse (9) method like this connects successively.
5. device according to claim 1 is characterized in that inner surface, preceding storehouse (9) is close to axial boosting cyclome (8), and boosting cyclome (8) is that low-density fast-burning powder or propellant are formed, weight 25-40 gram, be axial symmetry hollow solid annulus, thickness 5-8 millimeter, height 25-40 millimeter.
6. device according to claim 1, it is characterized in that internal assisted cyclome in preceding storehouse (9) (8) and sand prevention material (7), sand prevention material (7) is made up of stainless steel pompon and high strength inert solid particle, stays in the middle of the sand prevention material (7) diameter greater than 20 millimeters round tube hole.
7. device according to claim 1, it is characterized in that inside, preceding storehouse (9), it on boosting cyclome (8) sand prevention material (7) boosting medicine cake (6) radially, boosting medicine cake (6) is that low-density fast-burning powder or propellant are formed, a diameter is opened greater than 40 millimeters round tube hole in the centre, weight 25-40 gram is axial symmetry hollow solid cake.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200620148331 CN200964837Y (en) | 2006-10-23 | 2006-10-23 | Detachable perforating and fracturing sand-control device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200620148331 CN200964837Y (en) | 2006-10-23 | 2006-10-23 | Detachable perforating and fracturing sand-control device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN200964837Y true CN200964837Y (en) | 2007-10-24 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200620148331 Expired - Fee Related CN200964837Y (en) | 2006-10-23 | 2006-10-23 | Detachable perforating and fracturing sand-control device |
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| Country | Link |
|---|---|
| CN (1) | CN200964837Y (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102094613A (en) * | 2010-12-29 | 2011-06-15 | 西安通源石油科技股份有限公司 | Composite perforating method and device carrying support agent |
| CN102200005A (en) * | 2011-04-27 | 2011-09-28 | 中国石油天然气股份有限公司 | Integral-sealing perforation sand prevention device |
| CN105649598A (en) * | 2016-03-11 | 2016-06-08 | 中国石油集团川庆钻探工程有限公司长庆井下技术作业公司 | Archimedean-double-helix flow split type double-cluster hydraulic ejection and fracturing integrated tubular column |
-
2006
- 2006-10-23 CN CN 200620148331 patent/CN200964837Y/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102094613A (en) * | 2010-12-29 | 2011-06-15 | 西安通源石油科技股份有限公司 | Composite perforating method and device carrying support agent |
| CN102200005A (en) * | 2011-04-27 | 2011-09-28 | 中国石油天然气股份有限公司 | Integral-sealing perforation sand prevention device |
| CN102200005B (en) * | 2011-04-27 | 2015-05-06 | 中国石油天然气股份有限公司 | Integral-sealing perforation sand prevention device |
| CN105649598A (en) * | 2016-03-11 | 2016-06-08 | 中国石油集团川庆钻探工程有限公司长庆井下技术作业公司 | Archimedean-double-helix flow split type double-cluster hydraulic ejection and fracturing integrated tubular column |
| CN105649598B (en) * | 2016-03-11 | 2019-01-04 | 中国石油集团川庆钻探工程有限公司长庆井下技术作业公司 | The double cluster hydraulic jetting fracturing integrated pipe columns of Archimedes's double helix shunt |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20071024 Termination date: 20131023 |