CN101514621B - Sand prevention in multiple regions without a drill - Google Patents
Sand prevention in multiple regions without a drill Download PDFInfo
- Publication number
- CN101514621B CN101514621B CN2008100740782A CN200810074078A CN101514621B CN 101514621 B CN101514621 B CN 101514621B CN 2008100740782 A CN2008100740782 A CN 2008100740782A CN 200810074078 A CN200810074078 A CN 200810074078A CN 101514621 B CN101514621 B CN 101514621B
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- sand control
- tubing string
- utensil
- packer
- well
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Abstract
The invention discloses a pipe column of a sand prevention appliance without a drill used for a borehole with multiple regions, which comprises a plurality of flowing port devices and a plurality of filter tube devices connected to corresponding cycling port devices, wherein one of each group of the flowing port devices and a structure of the filter tube devices execute sand prevention for corresponding regions relative to the borehole; and the flowing port devices can be selectively activated so as to selectively execute the sand prevention relative to the corresponding regions.
Description
Technical field
The sand control of the no rig in the relate generally to multizone of the present invention.
Background technology
As the part of completion, carry out sand control to prevent or the amount of the sand of the entering well that minimizing produces with hydrocarbon.The generation erodable equipment of sand blocks the tubular structure that is installed in the well, produces down-hole cavity (downhole cavity), and causes other problem.In bore hole (not being lined with the well of sleeve pipe or bushing pipe (liner)) and sleeve pipe mirror or bushing pipe well, can carry out sand control.A kind of sand control technique that uses comprises the gravel filling, and the mud that wherein comprises gravel transports and is deposited in the ring between sand control chimney filter (sand-controlscreen) and the well from the surface.
Yet traditional gravel filling technique does not use in multizone configuration (multi-zone arrangements) (wherein well is divided into different zones, and each zone must be carried out gravel independently and filled) effectively.Usually, the gravel pad device must move with respect to different zones between the gravel filling operation, and this is time-consuming.
Summary of the invention
Usually, be used to have the well in a plurality of zones according to embodiment sand control utensil tubing string.This sand control utensil tubing string has a plurality of flowing ports devices and a plurality of chimney filter device that is connected to corresponding flowing ports device.A respective regions sand control treatment that can be configured execution in every group of flowing ports device and the chimney filter device wherein about well.The flowing ports device optionally activates, to allow optionally to carry out the sand control treatment about respective regions.
Other or the replacement characteristic will from following description, accompanying drawing and claim, become obvious.
Description of drawings
Fig. 1 shows the sand control utensil tubing string that is used for bore hole according to embodiment.
Fig. 2 shows the sand control utensil tubing string that is used for cased wellbores according to another embodiment.
Fig. 3 shows the basis sand control utensil tubing string of an embodiment again.
Fig. 4 shows the exemplary tubing string of merging according to any sand control utensil tubing string among Fig. 1-3.
The specific embodiment
In being described below, with illustrating a large amount of details to provide to understanding of the present invention.Yet should understand for those skilled in the art can not have these details and embodiment of the present invention, and a large amount of change and modifications is possible from detailed embodiment.
As in this use, in this description, use a technical term " on " and D score; " top " and " following "; " up " and " downwards "; " upper reaches " and " downstream "; " up " and term such as " below " indicate set point or element above or below relative position, more clearly to describe some embodiments of the present invention.Yet when being applied to the equipment that is used for well oblique or level and method, these terms possibly refer to left-to-right, and are right to a left side, or other suitable relation.
According to some embodiment, sand control utensil tubing string can be used for carrying out optionally sand control treatment with respect to a plurality of zones of well.A plurality of zones of well refer to the different sections (segment) of well, and wherein different sections can for example be isolated from each other through packer (packer) or other seal.Can carry out the production of hydro carbons from each zone.Through the operator that can in the different parts of utensil tubing string corresponding to zones of different, optionally control flowing ports (flow port) is set, make sand control utensil tubing string to carry out optionally sand control treatment in each zone.Can carry out with respect to different regional sand control treatments, and needn't between different zones, move sand control utensil tubing string.
Although, should recognize that sand control utensil tubing string can be used for the well of other type, for example is used to produce the well of fresh water with producing hydro carbons as a reference.
In certain embodiments, sand control treatment comprises the gravel filling operation, is extracted into sand control utensil tubing string at gravel filling operation cobblestone slurry along the downward pump of tubing string, is used for being communicated to the well ring zone between utensil tubing string and the well through one group of selectively opened port.Gravel slurry generally comprises load fluid (carrier), and it comprises gravel particle, is used for filtering out particulate so that sand or other small particle do not get into tubing string.Sand control utensil tubing string according to some embodiment can be used for bore hole (not being lined with sleeve pipe or bushing pipe) or cased wellbores (being lined with sleeve pipe or bushing pipe).
According to some embodiment, the benefit of this sand control utensil tubing string is sand control installation placed and reaches after the degree of depth, can not have to carry out sand control treatment under the situation of workover rig.Thereby the parts of sand control utensil tubing string can be operated in the absence without rig (rig).There is not the configuration of rig to save the cost that to set up rig.Rig generally comprises rig group and other parts.
Fig. 1 shows the sand control utensil tubing string that is used for bore hole 106 according to embodiment.Bore hole 106 is not lined with sleeve pipe or bushing pipe.Sand control utensil tubing string among Fig. 1 comprises a plurality of packers 100,102 and 104, and it is configured to limit the zones of different in the well 106.Each packer 100,102 and 104 all has seal, when the surface that receives seal sealing well 106 when activating, thereby define first (on) zone 108 and second (descending) regional 110.Last zone 108 is between packer 100 and 102, and lower area 110 is between packer 102 and 104.Each 108 and 110 contiguous stratum (formation) 113,115 that possibly have hydrocarbon accordingly, zone.
It should be noted that packer 100 also will the zone of the well above the packer 106 with on zone 108 isolate, and packer 104 will be in the zone and lower area 110 isolation of the well below the packer 104 106.Sand control utensil tubing string is connected with tubing string 112 to allow material (for example gravel is filled slurry) to be communicated to sand control utensil tubing string from the face of land through tubing string 112.
Be connected below the packer 100 is the circulating port device 114 with a plurality of circulating ports (circulation port) 116.More generally, circulating port device 114 is substituted by the flowing ports device with one or more flowing ports.Circulating port device 114 comprises sliding sleeve 118 (or valve of other type), its can between different positions, operate with allow or block the utensil tubing string through circulating port 116 endoporus 120 and on connection between the well ring regional 122 in the zone 108.
Last tee junction 124 will be isolated oil pipe 126 and will be connected to circulating port device 114.Last tee junction 124 also is connected to the chimney filter device 128 with chimney filter 130 with circulating port device 114.Chimney filter device 128 is provided with around isolating oil pipe 126 with one heart, makes annular section 132 be arranged on and isolates between oil pipe 126 and the chimney filter device 128.The chimney filter 130 of chimney filter device 128 can form the structure that any permission fluid rather than sand material or other predetermined substance bigger than definite size flows through chimney filter 130.Chimney filter 130 can be that slotted pipe, wire gauze maybe can contrast any other structure that the big particular matter of preliminary dimension is carried out filtration.
Isolate the lower end of oil pipe 126 and the lower end sealed engagement of chimney filter device 128, for example through tee junction 134, or the device of other sealed engagement can be provided with this sealing in isolation oil pipe 126 lower ends in the polishing hole under cooperating chimney filter.Below this is tightly connected, hydraulic continuous property is provided to packer 102.
The part of sand control utensil tubing string of lower area 110 that is used for Fig. 1 is identical with the part that is used for the above-mentioned utensil tubing string of going up zone 108.The part that is used for the sand control utensil tubing string of lower area 110 comprises the circulating port device 140 (having sliding sleeve 143 and circulating port 141) that is connected packer 102 belows; With last tee junction 142, wherein go up tee junction 142 circulating port device 140 is connected to isolation oil pipe 144 and chimney filter device 146.In addition, the part that is used for the sand control utensil tubing string of lower area 110 comprises tee junction 148 down, and it will be isolated oil pipe 144 and be connected to packer 104 with chimney filter device 146.
It should be noted that the view (Fig. 1) of the utensil tubing string part that is used for zone 108 is different from the view of the utensil tubing string part that is used for lower area 110; The view that is used for the part in zone 108 shows the cross sectional view of chimney filter device 128, isolates oil pipe 126 and tee junction 124 and 134 to illustrate.On the contrary, the view that is used for the utensil tubing string part of lower area 110 shows the fragmentary sectional view of each tee junction 142 and 148, isolation oil pipe 144 and chimney filter device 146.
In one embodiment, packer 100,102 and 104 and circulating port device 114 and 140 can be the equipment that breaks (fracturing equipment) (stratum around wherein handling of fluids is pumped into is to carry out some processing with respect to the stratum) of carrying out the operation of breaking.Handling of fluids can comprise fracturing fluid (fracing fluid), acid, gelinite, foam or other stimulation fluid.Through adding isolation oil pipe 126,144 and chimney filter device 128,146 to the utensil tubing string, be suitable for sand control treatment as the circulating port device 114,140 and the packer 100,102,104 of the parts of the equipment of breaking.
The particular arrangement that it should be noted that Fig. 1 provides for illustrative purposes.In other embodiments, can use other configuration of the parts (or replacement parts) of description.
In operation, sand control utensil tubing string gets into bore hole 106 in the end of tubing string 112.In case sand control utensil tubing string is positioned at the target location of down-hole, packer 100,102 and 104 just is arranged to area of isolation 108 and 110.In one embodiment, packer 100,102 and 104 is provided with through the circulating port of at first cutting out circulating port device 114,140.In the endoporus 120 of tubing string 112 and sand control utensil tubing string, increase pressure then, so that packer 100,102 and 104 is set.Packer can be through falling ball, moving packer or move packer setting with coiled tubing (coil tubing) expansion instrument or through control line with concentric tube column expansion instrument.
After packer was set, the circulating port device 140 that is used for lower area 110 was activated, and opened the circulating port 141 of circulating port device 140.This can accomplish through the sliding sleeve of implementing to fall in ball (not shown) so that the ball bond circulating port device 140 143 in one example.Ball provides the fluid-tight of sliding sleeve 143, so that applied pressure makes sliding sleeve 143 move to open circulating port 141 in tubing string 112 and sand control utensil tubing string.In replacement was implemented, the sliding sleeve 143 of circulating port device 140 (valve of type in addition) was mechanically opened, for example through using the Move tool that in tubing string 112 and sand control utensil tubing string, moves.One implementing, control line can advance to sand control utensil tubing string from landscape position again, and wherein control line can be hydraulic control line, electric control line or fibre optics control line.So the application of hydraulic pressure, electricity or optical signal can be used for opening the purpose of the port one 41 of circulating port device 140 in control line.The other replacement technology of opening port one 41 is the Move tool that launches through coiled tubing.
In case the circulating port 141 of circulating port device 140 has been opened; Gravel slurry can be drawn into the endoporus 120 into sand control utensil tubing string along tubing string 112 downward pumps, and the circulating port 141 that passes circulating port device 140 flows out into the well annular section 150 in the lower area 110.The gravel filling operation causes the well annular section 150 in lower area 110 to fill gravel.
Fill in case accomplish the gravel of lower area 110, just can carry out clean operation,, can remove any sand in tubing string 112 and the sand control utensil tubing string wherein through implementing the backflow on the face of land.In case clean operation is accomplished, the circulating port 141 of circulating port device 140 is closed.
So the circulating port 116 through opening cocycle port device 114 (use with for the similar technology of the circulating port device that is used for lower area 110 140) can be carried out the gravels fillings with respect to last regional 108.So gravel slurry can be taken out along tubing string 112 downward pumps, and pass circulating port 116 and flow out into well annular section 122 (shown in arrow among Fig. 1).Fill in case accomplished the gravel of the well annular section 122 in the zone 108, just carry out clean operation, close circulating port 116 afterwards.
Then, in the embodiment in figure 1, isolate oil pipe 126 and punctured, 112,114 pass chimney filter 130,141 entering sand control utensil tubing strings from the stratum to allow hydrocarbon product with 144.Can puncture through using the running in tubing string 112 and sand control utensil tubing string of destructor or cutting tool to carry out.Puncture and produce the opening of isolating in the oil pipe.The hydrocarbon that produces is upward through sand control utensil tubing string and passes the tubing string 112 arrival faces of land.In alternative embodiment, isolate oil pipe and can be provided with product port and relevant valve (for example sliding sleeve), isolate oil pipe 126 and 144 and needn't puncture, this valve can be actuated into open position and go in the endoporus of sand control utensil tubing string to allow hydrocarbon stream.
As stated, Fig. 1 shows the sand control utensil tubing string that is used for bore hole 106.In alternative embodiment, the sand control utensil tubing string of modification can be used for cased wellbores, for example the cased wellbores among Fig. 2 200.Cased wellbores 200 is lined with sleeve pipe 202.The sand control utensil tubing string of Fig. 2 also can be connected with tubing string 112.The sand control utensil tubing string of Fig. 2 and the total identical most of parts (universal component marks with same reference number) of the sand control utensil tubing string of Fig. 1.The sand control utensil tubing string part that the sand control utensil tubing string of Fig. 2 is different from Fig. 1 is that the lower packet 104 of the sand control utensil tubing string of Fig. 1 is by 204 replacements of the perforation packer (perforation packer) in the sand control utensil tubing string that is presented among Fig. 2.Perforating gun tubing string 206 is connected perforation packer 204 belows.Fig. 2 shows the perforating gun tubing string 206 that is in release conditions, and wherein the perforating gun tubing string discharges from perforation packer 204.Yet perforating gun tubing string 206 is connected to perforation packer 204 under original state.
In the operation, the running of the sand control utensil tubing string of Fig. 2 gets into sleeve well 200 and arrives a position, perforating gun tubing string 206 adjacent domains 108 and 110 location under this position.The primary importance of sand control utensil tubing string is the perforation position.The perforating gun tubing string receives activation (for example through using tubing pressure, mechanical force, hydraulic control line, electric control line or fibre optics control line).When perforating gun tubing string 206 receives when activating, it penetrates perforation jet and passes sleeve 202, in last zone 108 formation perforation 208 and in lower area 110 formation perforation 210.Perforation packer 204 can be provided with quick release mechanism 208, and it allows perforating gun tubing string 206 to break away from from perforation packer 204, drops into the bottom of well 200 to allow perforating gun tubing string 206.In case 206 emissions of perforating gun tubing string, perforating gun tubing string 206 can automatically discharge through quick release mechanism 208.Alternatively, quick release mechanism 208 can be controlled by tubing pressure, mechanical force, hydraulic control, electric control or fibre optics and activate.
Behind the perforation, well 200 is carried out kill-job (kill) (for example through filling well with heavy fluid or passing through to activate isolating valve), and perforation packer 204 is loosening.This allows the sand control utensil tubing string of Fig. 2 to move to gravel filling position (further getting into well 206 through reducing the utensil tubing string).At the gravel filling position, packer 100,102,204 straddles zone 108,110 as stated.
After sand control utensil tubing string has moved to the gravel filling position, carry out the identical gravel padding of describing with the sand control utensil tubing string of Fig. 1 of operation by the sand control utensil tubing string of Fig. 2.
Fig. 3 shows spendable alternate method of packing tubing string.In the example of Fig. 3, use packer 306,308,310 and 312 to define three zones 300,302 and 304.In the configuration of Fig. 3, do not carry out sand control with respect to zone 302 and 304.Correspondingly, the utensil tubing string part in the zone 302 and 304 does not comprise sand control installation.In each zone 302 and 304, the utensil tubing string of Fig. 3 comprises corresponding circulating port device 314,316 (for example it can be used for breaking or increases production operation).
Utensil tubing string in the zone 300 partly comprises circulating port device 318 and the sand control installation 320 with sand control pipe 322.It should be noted that the configuration of circulating port device 318 and sand control installation 320 is different from the configuration of describing among Fig. 1 or Fig. 2.In Fig. 3, the isolation oil pipe is of no use in sand control installation 320.
The circulating port device has sliding sleeve 324, and it has and is used to control fluid and passes the filtration beds that circulating port 326 flows.As an example, filtration beds can be that coil or screen cloth or woolen knitwear or any medium produce to prevent sand.The sliding sleeve 324 that wire-wound connects is sliding sleeves of using always, and it twines wired to prevent that sand from getting into the endoporus 328 of utensil tubing string.
The utensil tubing string also has production packer (production packer) 330, and it is connected to the top of packer 306 through oil pipe section 332.It should be noted that production packer 330 is provided with against sleeve pipe 334 in the sleeve portion 336 of well.The utensil tubing string of production packer 330 belows partly is in not to be had in the bore hole of lining pipe or the bushing pipe section 338.
Although only a zone 300 needing to be described as sand control, it should be noted that for other zone the device of the utensil tubing string of 300 inside, zone can be recycled and reused in other zone and carry out sand control.In such structure, can carry out the selective activation of circulating port device separately, to carry out selective sand control with respect to a plurality of zones.
Fig. 4 shows sand control utensil tubing string 400 (it can be the arbitrary utensil tubing string among Fig. 1-3), and it is carried on the tubing string 112, is positioned in the well 402 (it can be bore hole 106,338 or cased wellbores 206).Tubing string 112 extends from the well head equipment 408 that is positioned at the face of land 116.The face of land 116 can be land, or alternatively, and the face of land 116 can be a sea bed in the sight of well under water.
Fig. 4 also shows control line 404, and it extends to sand control utensil tubing string 400 from well head equipment 408.Control line 404 can be hydraulic control line, electric control line or the fibre optics control line (or some above-mentioned combinations) that is used to control circulating port device (114,140), packer is set, activates perforating gun and/or activate quick release mechanism.
Though the present invention is described for the embodiment of limited quantity, those skilled in the art will recognize that a large amount of modifications and variation from what the disclosure was benefited.Appended claim expectation covers all modifications and the variation that falls in the spirit and scope of the present invention.
Claims (25)
1. sand control utensil tubing string that is used to have the well in a plurality of zones comprises:
A plurality of flowing ports devices; With
A plurality of chimney filter devices that are connected to corresponding flowing ports device; Wherein in every group of said flowing ports device and the said chimney filter device is configured to carry out sand control with respect to the corresponding zone of well; Wherein said flowing ports device can optionally be activated under the situation of no rig, to allow carrying out sand control with respect to corresponding regioselectivity ground.
2. sand control utensil tubing string as claimed in claim 1, each all comprises the sand control chimney filter wherein said a plurality of chimney filter devices.
3. sand control utensil tubing string as claimed in claim 1 also comprises the packer that is provided with to bore hole, and the said packer that is set up defines said a plurality of zone.
4. sand control utensil tubing string as claimed in claim 1 comprises that also at least one is connected to the control line of said flowing ports device, with the opening and closing of the flowing ports of controlling corresponding flowing ports device.
5. sand control utensil tubing string as claimed in claim 1, wherein each said flowing ports device has sliding sleeve, and it activates to engage said sliding sleeve through falling into ball.
6. sand control utensil tubing string as claimed in claim 1, wherein said sand control utensil tubing string can use the well head equipment operation of no rig.
7. sand control utensil tubing string as claimed in claim 1 also comprises the perforating gun tubing string, and it can be activated in the corresponding zone of well, to produce perforation.
8. sand control utensil tubing string as claimed in claim 7, wherein said sand control utensil tubing string has the perforation position and the second place, and said perforation position allows to activate the perforating gun tubing string, and the said second place allows to carry out sand control.
9. sand control utensil tubing string as claimed in claim 8 also comprises the perforation packer that is connected to said perforating gun tubing string.
10. sand control utensil tubing string as claimed in claim 9, wherein said perforation packer have quick release mechanism after activating said perforating gun tubing string, to discharge this perforating gun tubing string.
11. sand control utensil tubing string as claimed in claim 9, wherein said perforation packer are connected between in the said sand control installation one and the said perforating gun tubing string.
12. sand control utensil tubing string as claimed in claim 1 also comprises the isolation oil pipe, wherein said sand control installation is arranged on around the corresponding isolation oil pipe.
13. sand control utensil tubing string as claimed in claim 12, wherein each all defines ring betwixt to sand control installation and isolation oil pipe.
14. sand control utensil tubing string as claimed in claim 12, wherein each isolation oil pipe all is configured to punctured to allow fluid to flow to the endoporus of said sand control utensil tubing string from stratum on every side.
15. a method of in well, carrying out sand control comprises:
Sand control utensil tubing string is reduced in the well with a plurality of zones, and wherein said sand control utensil tubing string has many to circulating port device and chimney filter device; With
Under the situation of no rig, optionally activate said circulating port device to carry out optionally sand control with respect to corresponding zone.
16. method as claimed in claim 15 wherein optionally activates said circulating port device and comprises:
Activate the first circulating port device,, make gravel slurry can be communicated to the well ring in the first area in said a plurality of zone to open the circulating port in the said first circulating port device;
Close the said first circulating port device; With
Activate the second circulating port device in the said circulating port device,, make gravel slurry can be communicated to the well ring in the second area in said a plurality of zone to open the circulating port in the said second circulating port device.
17. method as claimed in claim 15 is wherein carried out said sand control and is comprised that carrying out gravel fills.
18. method as claimed in claim 17 also comprises:
After said a plurality of zones are filled by gravel, puncture the isolation oil pipe of contiguous corresponding chimney filter device, to allow to get into the endoporus of said sand control utensil tubing string from the fluid that contiguous stratum produces.
19. method as claimed in claim 18 wherein punctures said isolation oil pipe and comprises and use a kind of in blast and the cutting tool.
20. method as claimed in claim 17 also comprises the valve in the oil pipe that activates contiguous said chimney filter device, to allow to get into from the fluid that contiguous stratum produces the endoporus of said sand control utensil tubing string.
21. method as claimed in claim 15, wherein said sand control utensil tubing string has packer, and said method also is included in said packer is set in the bore hole, wherein carries out sand control and is included in the zone of said bore hole and carries out sand control.
22. method as claimed in claim 15, wherein said sand control utensil tubing string has packer, and said method also is included in said packer is set in the cased wellbores, wherein carries out sand control and is included in the zone of said cased wellbores and carries out sand control.
23. a system comprises:
Tubing string; With
Be connected to the sand control utensil tubing string of said tubing string, in the well with a plurality of zones, said sand control utensil tubing string comprises:
A plurality of flowing ports devices; With
A plurality of chimney filter devices that are connected to corresponding flowing ports device, wherein in every group of said flowing ports device and the said chimney filter device is configured to carry out sand control with respect to the corresponding zone of well,
Wherein said flowing ports device can optionally be activated under the situation of no rig, to allow carrying out sand control with respect to corresponding regioselectivity ground.
24. system as claimed in claim 23 comprises that also at least one is connected to the control line of said flowing ports device, with the opening and closing of the flowing ports of controlling corresponding flowing ports device.
25. system as claimed in claim 24, wherein said at least one control line comprises a kind of in hydraulic control line, electric control line and the fibre optics control line.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2008100740782A CN101514621B (en) | 2008-02-21 | 2008-02-21 | Sand prevention in multiple regions without a drill |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2008100740782A CN101514621B (en) | 2008-02-21 | 2008-02-21 | Sand prevention in multiple regions without a drill |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101514621A CN101514621A (en) | 2009-08-26 |
| CN101514621B true CN101514621B (en) | 2012-10-31 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2008100740782A Expired - Fee Related CN101514621B (en) | 2008-02-21 | 2008-02-21 | Sand prevention in multiple regions without a drill |
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| CN (1) | CN101514621B (en) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103573230B (en) * | 2012-07-24 | 2017-03-08 | 思达斯易能源技术(集团)有限公司 | A kind of selectivity production practice and its equipment |
| CN108412425B (en) * | 2018-05-09 | 2023-05-16 | 华南师范大学 | Novel drilling tool of drill bit direction formula |
| CN112049603B (en) * | 2020-09-14 | 2022-11-18 | 中国海洋石油集团有限公司 | Method for packing outer annular space of sieve tube |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2382835Y (en) * | 1999-04-15 | 2000-06-14 | 刘忠林 | Multifunction sand controller of oil well |
| CN1603574A (en) * | 2004-11-03 | 2005-04-06 | 中国石化胜利油田有限公司采油工艺研究院 | Layered pipe column for squeeze packing sand control process |
| CN101078341A (en) * | 2007-05-25 | 2007-11-28 | 冯永胜 | Oil gas water well open hole filling sand prevention completion method and tool |
-
2008
- 2008-02-21 CN CN2008100740782A patent/CN101514621B/en not_active Expired - Fee Related
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2382835Y (en) * | 1999-04-15 | 2000-06-14 | 刘忠林 | Multifunction sand controller of oil well |
| CN1603574A (en) * | 2004-11-03 | 2005-04-06 | 中国石化胜利油田有限公司采油工艺研究院 | Layered pipe column for squeeze packing sand control process |
| CN101078341A (en) * | 2007-05-25 | 2007-11-28 | 冯永胜 | Oil gas water well open hole filling sand prevention completion method and tool |
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| CN101514621A (en) | 2009-08-26 |
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Granted publication date: 20121031 Termination date: 20170221 |