CN205297403U - Combined cyclone sand washer - Google Patents
Combined cyclone sand washer Download PDFInfo
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- CN205297403U CN205297403U CN201521077655.5U CN201521077655U CN205297403U CN 205297403 U CN205297403 U CN 205297403U CN 201521077655 U CN201521077655 U CN 201521077655U CN 205297403 U CN205297403 U CN 205297403U
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- sand washing
- hole
- sand
- valve body
- washing device
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- 239000004576 sand Substances 0.000 title claims abstract description 199
- 238000005406 washing Methods 0.000 claims abstract description 131
- 238000007789 sealing Methods 0.000 claims description 22
- 238000011010 flushing procedure Methods 0.000 claims description 13
- 238000002347 injection Methods 0.000 abstract description 4
- 239000007924 injection Substances 0.000 abstract description 4
- 238000011084 recovery Methods 0.000 abstract description 4
- 238000004140 cleaning Methods 0.000 description 33
- 239000012530 fluid Substances 0.000 description 33
- 230000000694 effects Effects 0.000 description 8
- 239000007788 liquid Substances 0.000 description 8
- 238000004519 manufacturing process Methods 0.000 description 5
- 230000000903 blocking effect Effects 0.000 description 4
- 230000001276 controlling effect Effects 0.000 description 4
- 238000005266 casting Methods 0.000 description 3
- 230000004224 protection Effects 0.000 description 3
- 230000008901 benefit Effects 0.000 description 2
- 238000010276 construction Methods 0.000 description 2
- 239000003129 oil well Substances 0.000 description 2
- 230000004888 barrier function Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000002372 labelling Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000005065 mining Methods 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
- 238000005728 strengthening Methods 0.000 description 1
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Abstract
The utility model discloses a combined whirl sand washing ware belongs to oil gas well oil recovery field. The device comprises a sand washing bypass and a rotational flow sand washer which are connected in sequence. The sand washing bypass comprises a valve body, a valve sleeve and a valve core; the top of the valve body is connected with a sand washing pipe column, the valve core is embedded in the valve body, the valve sleeve is embedded in the lower portion of the valve body, and the upper portion of the valve sleeve is sleeved on the outer wall of the lower portion of the valve core. A first through hole is formed in the side wall of the valve body; the side wall of the hollow body of the valve core is provided with a second through hole corresponding to the first through hole, the spring is sleeved on the hollow body, the top and the bottom of the spring are respectively connected with the lower end of the pressure-bearing top and the upper end of the valve sleeve, and the valve core can move in the valve body along the axial direction, so that the opening and closing of the first through hole are controlled. The cyclone sand washer comprises: a sand washing pipe and a conical sand washing head; the side wall of the conical sand washing head is obliquely provided with a swirl nozzle, and the bottom of the conical sand washing head is provided with a direct injection nozzle. The diameter of the swirl nozzle is smaller than or equal to that of the second through hole. The device can meet the requirements of sand washing and temporary plugging of the oil-gas well.
Description
Technical field
This utility model relates to Oil/gas Well oil recovery field, particularly to a kind of combined cyclone sand washing device.
Background technology
Oil/gas Well is in recovery process, impact that sand grains cementing in stratum is easily increased by strata pressure and oil recovery, gas production flow and become free sand and be scattered in well, cause sand production of oil-gas wells phenomenon, if ground can not all be brought to by shaking out, sand grains in well will be caused to pile up, blocking gas channel, causes the Oil/gas Well underproduction, stopping production, even damages underground equipment. It is therefore desirable to regularly the sand grains in Oil/gas Well is purged. Therefore it provides a kind of effective Oil/gas Well sand flushing device is necessary.
Prior art provides a kind of Oil/gas Well sand flushing device, and this device includes sand washing body, is arranged on the nozzle of body bottom portion, is arranged on the circulation port of body sidewall, rhone and is arranged on the top connection of bodies top. This device is connected with sand-flushing pipe column by top connection, making the sand cleaning fluid of inflow sand washing body go out from circulation port and nozzle at high speeds, thus destroying casting bed, and being rushed by the sand grains of the borehole wall. Meanwhile, by rhone is arranged to helical form, so that the sand grains rushed is discharged outside well by rhone, thus removing the long-pending sand in shaft bottom, recover the production of oil well.
Designer finds that prior art at least exists techniques below problem:
Along with deepening continuously of oil-gas mining, layer of oil gas production stratum is more loose, and during sand washing, sand cleaning fluid is missed in entrance stratum in a large number, causes being normally carried out sand washing, affects Oil/gas Well and reproduce. It is therefore desirable to when leakage occurs in sand cleaning fluid, bypassed by sand washing in time and inject highly viscous stifled sand cleaning fluid temporarily in well, reduce or block up the stratum that leakage occurs temporarily, it is ensured that smoothly completing sand washing operation and reservoir protec-tion. The oil well sand washing device that prior art provides, its nozzle diameter is less, it is difficult to makes highly viscous stifled sand cleaning fluid temporarily flow through, has both caused sand flushing device blocking to be continuing with, can not meet again the requirement that Oil/gas Well blocks up temporarily.
Utility model content
Technical problem to be solved in the utility model is in that, provide one and can efficiently complete sand washing operation, stifled sand cleaning fluid temporarily can be adopted when occurring leakage after the buried layer of sand is rushed to open in time to implement the combined cyclone sand washing device of leak stopping, and concrete technical scheme is as follows simultaneously:
This utility model embodiment provides a kind of combined cyclone sand washing device, and this device includes: sand washing bypass and cyclone sand washing device.
Described sand washing bypass includes: valve body, valve pocket, spool; Described body top is connected with sand-flushing pipe column, and described spool is embedded in described valve body, and described valve pocket is embedded in the bottom of described valve body, and described valve pocket top is sleeved on the outer wall of described spool bottom.
Described body wall is provided with the first through hole; Described spool includes: hollow body, be arranged on the pressure-bearing top at described hollow body top, spring, the sidewall of described hollow body is provided with second through hole corresponding with described first through hole, described spring housing is contained on described hollow body, and top and bottom connect the lower end at described pressure-bearing top and the upper end of described valve pocket respectively, described spool can in described valve body axially movable, thus controlling opening and Guan Bi of described second through hole.
Described cyclone sand washing device includes: sand clean out pipe and taper sand washing head; The sidewall slope of described taper sand washing head is provided with swirl nozzle, is provided with emple hole bottom described taper sand washing head; The diameter of described swirl nozzle is less than or equal to the diameter of described second through hole.
The valve body lower portion of described sand washing bypass is connected with the sand clean out pipe top of described cyclone sand washing device.
Specifically, as preferably, the valve body lower portion outer wall of described sand washing bypass is provided with the first external screw thread, and described sand clean out pipe upper inside wall is provided with the first female thread matched with described first external screw thread, so that described sand washing bypass is threadeded with described cyclone sand washing device.
Specifically, as preferably, the number of described swirl nozzle is 5, and 5 described swirl nozzles are evenly distributed in the same circular flat that the end face with described taper sand washing head is paralleled.
Specifically, as preferably, the central shaft of each described swirl nozzle with by the center of circle of described circular flat and and the vertical direction that intersects of described central shaft on straight line between angle be 25 ��-35 ��; Angle between central shaft and the sidewall of described taper sand washing head of described swirl nozzle is 55 ��-65 ��.
Specifically, as preferably, described first through hole number is 4, and is evenly distributed in the middle part of described valve body on sidewall along same sagittal plane. The number of described second through hole and described first through hole and position consistency.
Specifically, as preferably, the valve body lower end external diameter of described sand washing bypass is 75-82mm, and upper end external diameter is 90-98mm.
Specifically, as preferably, the diameter of described first through hole and described second through hole is 20-22mm, and the diameter of described swirl nozzle is 8-12mm, and the diameter of described emple hole is 10-14mm.
Specifically, as preferably, described valve pocket outer wall is provided with circle first groove, arranges the first sealing ring in described first groove, and described valve pocket is through described first sealing ring, to contact with described valve seal.
Specifically, as preferably, the bottom in described valve body is provided with a ring annular groove, is provided with back-up ring in described annular groove, and the bottom of described valve pocket contacts with described back-up ring, to carry out spacing to described valve pocket.
Specifically, as preferably, the pressure-bearing top exterior walls of described spool is provided with circle second groove, is provided with the second sealing ring in described second groove, and described pressure-bearing top is through described second sealing ring, to contact with described valve seal.The upper inside wall of described spool is provided with circle the 3rd groove, is provided with the 3rd sealing ring in described 3rd groove, and the bottom of described hollow body, through described 3rd sealing ring, contacts to seal with described valve pocket.
The technical scheme that this utility model embodiment provides has the benefit that
The combined cyclone sand washing device that this utility model embodiment provides, when normal sand washing, sand cleaning fluid flows into the valve body of sand washing bypass from sand-flushing pipe column, and spool pressure-bearing top is produced certain pressure, so that spring-compressed, spool moves down, and make the second through hole on insert body enter valve pocket and close, now sand cleaning fluid all flows in cyclone sand washing device, and by the swirl nozzle on cyclone sand washing device and emple hole, shaft bottom casting bed and the borehole wall is impacted, and removes shaft bottom and the long-pending sand of the borehole wall. When needs are to injection highly viscous stifled sand cleaning fluid temporarily in well, lift up sand-flushing pipe column, stop injecting sand cleaning fluid, by ground sand washing pipeline or wait cyclone sand washing device nature pressure release, spool pressure-bearing top is under pressure and reduces or reply, under spring force effect, spool moves up, and make the second through hole on spool hollow body overlap with the first through hole on valve body, controlling discharge capacity makes highly viscous stifled sand cleaning fluid temporarily in the second through hole, the first through hole and cyclone sand washing device access wall, meets needs stifled temporarily. By opening and Guan Bi of surge motion control second through hole of spool, so that the liquid outflow channel flowing into sand washing bypass is converted, it is ensured that at the bottom of highly viscous stifled sand cleaning fluid access wall temporarily, thus stratum leakage occur being carried out stifled effectively temporarily. By arranging swirl nozzle and emple hole to, liquid direct current is transferred the turbulent flow of rotation, increase the impact capacity to shaft bottom and the borehole wall, optimize sand washing effect. Visible, that this utility model provides combined cyclone sand washing device simple in construction, it is possible to efficiently accomplish the sand washing operation of Oil/gas Well; and when leakage can occur on stratum, make to block up sand cleaning fluid temporarily and pass through, meet stifled sand washing requirement temporarily; easy to operate, it is simple to large-scale promotion is applied.
Accompanying drawing explanation
In order to be illustrated more clearly that the technical scheme in this utility model embodiment, below the accompanying drawing used required during embodiment is described is briefly described, apparently, accompanying drawing in the following describes is only embodiments more of the present utility model, for those of ordinary skill in the art, under the premise not paying creative work, it is also possible to obtain other accompanying drawing according to these accompanying drawings.
Fig. 1 is the sand washing by-pass structure schematic diagram that this utility model embodiment provides;
Fig. 2 is the cyclone sand washing device structural representation that the another embodiment of this utility model provides;
Fig. 3 is the profile of the taper sand washing head of the cyclone sand washing device that the another embodiment of this utility model provides.
Accompanying drawing labelling represents respectively:
1 sand washing bypass,
2 cyclone sand washing devices,
3 valve bodies,
301 first through holes,
4 valve pockets,
5 spools,
501 hollow bodies,
5011 second through holes,
502 pressure-bearing tops,
503 springs,
6 sand clean out pipe,
7 taper sand washing head,
701 swirl nozzles,
702 emple holes,
8 first sealing rings,
9 back-up rings,
10 second sealing rings,
11 the 3rd sealing rings.
Detailed description of the invention
For making the purpose of this utility model, technical scheme and advantage clearly, below in conjunction with accompanying drawing, this utility model embodiment is described in further detail.
This utility model embodiment provides a kind of combined cyclone sand washing device, and as shown in Figures 1 and 2, this device includes: sand washing bypass 1 and cyclone sand washing device 2.
Sand washing bypass 1 includes: valve body 3, valve pocket 4, spool 5; Valve body 3 top is connected with sand-flushing pipe column, and spool 5 is embedded in valve body 3, and valve pocket 4 is embedded in the bottom of valve body 3, and valve pocket 4 top is sleeved on the outer wall of spool 5 bottom.
Valve body 3 sidewall is provided with the first through hole 301; Spool 5 includes: hollow body 501, be arranged on the pressure-bearing top 502 at hollow body 501 top, spring 503, the sidewall of hollow body 501 is provided with second through hole 5011 corresponding with the first through hole 301, spring 503 is sleeved on hollow body 501, and top and bottom connect the lower end at pressure-bearing top 502 and the upper end of valve pocket 4 respectively, spool 5 can in valve body 3 axially movable, thus controlling opening and Guan Bi of the second through hole 5011.
Cyclone sand washing device 2 includes: sand clean out pipe 6 and taper sand washing head 7; The sidewall slope of taper sand washing head 7 is provided with swirl nozzle 701, is provided with emple hole 702 bottom taper sand washing head 7; The diameter of swirl nozzle 701 is less than or equal to the diameter of the second through hole 5011.
Valve body 3 bottom of sand washing bypass 1 is connected with sand clean out pipe 6 top.
The combined cyclone sand washing device that this utility model embodiment provides, when normal sand washing, sand cleaning fluid flows into the valve body 3 of sand washing bypass 1 from sand-flushing pipe column, and spool 5 pressure-bearing top 502 is produced certain pressure, so that spring 503 compresses, spool 5 moves down, and make the second through hole 5011 on spool 5 body enter valve pocket 4 and make the second through hole 5011 close, now sand cleaning fluid all flows in cyclone sand washing device 2, and by the swirl nozzle 701 on cyclone sand washing device 2 borehole wall sand grains impacted and shaft bottom casting bed is impacted by emple hole 702, remove the long-pending sand in shaft bottom. when needs are to injection highly viscous stifled sand cleaning fluid temporarily in well, lift up sand-flushing pipe column, stop injecting sand cleaning fluid, by the swirl nozzle 701 on ground sand washing pipeline or wait cyclone sand washing device and the natural pressure release of emple hole 702, spool 5 pressure-bearing top 502 is under pressure and reduces or reply, under spring 503 elastic force effect, spool 5 moves up, and make the second through hole 5011 on spool 5 hollow body 501 overlap with the first through hole 301 on valve body, the first through hole 301 is made to connect with the second through hole 5011, even if the second through hole 5011 is opened, controlling discharge capacity makes highly viscous stifled sand cleaning fluid temporarily from the second through hole 5011, in first through hole 301 and cyclone sand washing device 2 access wall, meet needs stifled temporarily. by surge motion control second through hole 5011 of spool 5 and opening and Guan Bi of the first through hole 301, so that the liquid outflow channel flowing into sand washing bypass 1 is converted, ensure at the bottom of highly viscous stifled sand cleaning fluid access wall temporarily, thus stratum leakage occur being carried out stifled effectively temporarily. by arranging swirl nozzle 701 and emple hole 702 to, liquid direct current is transferred the turbulent flow of rotation, increase the impact capacity to shaft bottom and the borehole wall, optimize sand washing effect. visible, that this utility model provides combined cyclone sand washing device simple in construction, it is possible to efficiently accomplish the sand washing operation of Oil/gas Well, and when leakage can occur on stratum, make to block up sand cleaning fluid temporarily and pass through, meet stifled sand washing requirement temporarily, easy to operate, it is simple to large-scale promotion is applied.
Specifically, the valve body 3 lower end external diameter of sand washing bypass 1 is 75-82mm, it is preferred to 78.6mm, upper end external diameter is 90-98mm, it is preferred to 94mm. Sand clean out pipe 6 top external diameter is 90-98mm, it is preferred to 94mm, so that sand clean out pipe 6 can be inserted in valve body 3 bottom of sand washing bypass 1, and is connected with sand clean out pipe 6, makes combined cyclone sand washing device become as a whole, it is simple to operation.Simultaneously, the valve body 3 bottom outer wall of sand washing bypass 1 is provided with the first external screw thread, sand clean out pipe 6 upper inside wall is provided with the first female thread matched with the first external screw thread, so that sand washing bypass 1 is threadeded with cyclone sand washing device 2, it is easy to the dismounting of sand washing bypass 1 and cyclone sand washing device 2, makes the combined automatic spiral flow sand washing machine that this utility model embodiment provides use more flexible, convenient.
Specifically, as shown in accompanying drawing 2 and accompanying drawing 3, the number of swirl nozzle 701 can be several, it is preferably 5, and 5 swirl nozzles 701 are disposed on the same plane, and this plane is parallel with the end face of taper sand washing head 7, meanwhile, this plane is alternatively positioned in the middle part of taper sand washing head 7. This plane is circular, the central shaft of each swirl nozzle 701 with by the center of circle of this circular flat and and the vertical direction that intersects of central shaft on straight line between angle be 25 ��-35 ��, it is preferred to 30 ��. In more detail, the angle between central shaft and the sidewall of taper sand washing head 7 of swirl nozzle 701 is 55 ��-65 ��, it is preferred to 60 ��. Meanwhile, taper sand washing head 7 has certain thickness, is generally 22-30mm, so that the liquid flowed out from swirl nozzle 701 produces eddy flow, and there is higher speed, it is generally 13-20m/s, carries the ability of long-pending sand strengthening sand cleaning fluid when this combined cyclone sand washing device uses in net horizontal section. The diameter of swirl nozzle 701 is 8-12mm, and the diameter of emple hole 702 is 10-14mm. Swirl nozzle 701 and emple hole 702 cooperate, and take sand realizing turbulent flow, improve the cyclone sand washing device 2 sand washing efficiency at net horizontal section, solve straight well and sand setting in horizontal well sand washing operation, the technical barrier taking sand, load transfer.
Specifically, on valve body 3 sidewall, the first through hole 301 number can be several, it is preferably 4, and it is evenly distributed in the middle part of valve body 3 on sidewall along circular flat, and second through hole 5011 and the first through hole 301 number and position consistency, so that the liquid in spool 5 can quickly flow out, meet the requirement that leakage stratum is stifled temporarily as early as possible. The diameter of the first through hole 301 and the second through hole 5011 is 20-22mm, and more than the diameter of swirl nozzle 701 and emple hole 702, with when injecting highly viscous stifled sand cleaning fluid temporarily, it is made to flow out from the second through hole 5011 and the first through hole 301 as early as possible, both achieve highly viscous stifled sand cleaning fluid temporarily and enter the speed on leakage stratum, turn avoid the highly viscous stifled sand cleaning fluid blocking to swirl nozzle 701 and emple hole 702 temporarily, meet stifled sand washing requirement temporarily.
Specifically, the bottom in valve body 3 is provided with a ring annular groove, is provided with back-up ring 9 in annular groove, and this back-up ring 9 is A type circlip for hole, and the bottom of valve pocket 4 contacts with back-up ring 9, to carry out spacing to valve pocket 4. Meanwhile, valve pocket 4 outer wall is provided with circle first groove, arranges the first sealing ring 8 in the first groove, and valve pocket 4, through the first sealing ring 8, contacts to seal with valve body 3. By back-up ring 9 and the first sealing ring 8, valve pocket 4 consolidates and seals and is embedded in valve body 3 bottom, think that the spring 503 in spool 5 provides to support, thus ensureing the control that the second through hole 5011 is opened or closed by spool 5, realize the control to entering liquid flow path therein of the combined cyclone sand washing device, meet sand washing and requirement stifled temporarily.
Specifically, by regulating the size of sand cleaning fluid flow in sand-flushing pipe column, it is possible to the position of spool 5 is adjusted. Before the combined cyclone sand washing device that this utility model embodiment provides enters well, second through hole 5011 is in open mode, and connect with the first through hole 301, in normal sand washing process, when sand cleaning fluid discharge capacity is more than 350L/min due to the sand cleaning fluid pressure effect to pressure-bearing top 502, spring 503 compresses, the second through hole 5011 is caused to enter valve pocket 4 and close, cut off the connection with the first through hole 301 simultaneously, sand cleaning fluid is made all to flow in cyclone sand washing device 2, it is ensured that cyclone sand washing device 2 plays best sand washing effect.In this utility model embodiment, when needs are to injection highly viscous stifled sand cleaning fluid temporarily in well, lift up sand-flushing pipe column, stop injecting sand cleaning fluid, by the swirl nozzle 701 on ground sand washing pipeline or wait cyclone sand washing device and the natural pressure release of emple hole 702, spool 5 pressure-bearing top 502 is under pressure and reduces or reply, under spring 503 elastic force effect, spool 5 moves up, and make the second through hole 5011 on spool 5 hollow body 501 overlap with the first through hole 301 on valve body, the first through hole 301 is made to connect with the second through hole 5011, when sand cleaning fluid displacement control is when less than 300L/min, the pressure effect at pressure-bearing top 502 is not enough to overcome the elastic force of spring 503 by sand cleaning fluid, spool 5 cannot be promoted to axially move, sand washing bypass is in normally open all the time, sand cleaning fluid is flowed out by the second through hole 5011 and the first through hole 301, to realize the adjustment of liquid flow path, ensure combined cyclone sand washing device blocking up temporarily leakage stratum.
Specifically, pressure-bearing top 502 outer wall of spool 5 is provided with circle second groove, is provided with the second sealing ring 10 in the second groove, and pressure-bearing top 502, through the second sealing ring 10, contacts to seal with valve body 3. The upper inside wall of valve pocket is provided with circle the 3rd groove, it is provided with the 3rd sealing ring 11 in 3rd groove, the bottom of the hollow body 501 of spool 5, through the 3rd sealing ring 11, contacts to seal with valve pocket 4, so that more steady when the hollow body 501 of spool 5 moves downward.
The foregoing is only preferred embodiment of the present utility model; not in order to limit protection domain of the present utility model; all within spirit of the present utility model and principle, any amendment of making, equivalent replacement, improvement etc., should be included within protection domain of the present utility model.
Claims (10)
1. a combined cyclone sand washing device, including: sand washing bypass and cyclone sand washing device;
Described sand washing bypass includes: valve body, valve pocket, spool; Described body top is connected with sand-flushing pipe column, and described spool is embedded in described valve body, and described valve pocket is embedded in the bottom of described valve body, and described valve pocket top is sleeved on the outer wall of described spool bottom;
Described body wall is provided with the first through hole; Described spool includes: hollow body, be arranged on the pressure-bearing top at described hollow body top, spring, the sidewall of described hollow body is provided with second through hole corresponding with described first through hole, described spring housing is contained on described hollow body, and top and bottom connect the lower end at described pressure-bearing top and the upper end of described valve pocket respectively, described spool can in described valve body axially movable, thus controlling opening and Guan Bi of described second through hole;
Described cyclone sand washing device includes: sand clean out pipe and taper sand washing head; The sidewall slope of described taper sand washing head is provided with swirl nozzle, is provided with emple hole bottom described taper sand washing head; The diameter of described swirl nozzle is less than or equal to the diameter of described second through hole;
The valve body lower portion of described sand washing bypass is connected with described sand clean out pipe top.
2. combined cyclone sand washing device according to claim 1, it is characterized in that, the valve body lower portion outer wall of described sand washing bypass is provided with the first external screw thread, described sand clean out pipe upper inside wall is provided with the first female thread matched with described first external screw thread, so that described sand washing bypass is threadeded with described cyclone sand washing device.
3. combined cyclone sand washing device according to claim 1, it is characterised in that the number of described swirl nozzle is 5, and 5 described swirl nozzles are evenly distributed in the same circular flat that the end face with described taper sand washing head is paralleled.
4. combined cyclone sand washing device according to claim 3, it is characterised in that the central shaft of each described swirl nozzle with by the center of circle of described circular flat and and the vertical direction that intersects of described central shaft on straight line between angle be 25 ��-35 ��;
Angle between central shaft and the sidewall of described taper sand washing head of described swirl nozzle is 55 ��-65 ��.
5. combined cyclone sand washing device according to claim 1, it is characterised in that described first through hole number is 4, and it is evenly distributed in the middle part of described valve body on sidewall along same sagittal plane;
The number of described second through hole and described first through hole and position consistency.
6. combined cyclone sand washing device according to claim 1, it is characterised in that the valve body lower end external diameter of described sand washing bypass is 75-82mm, and upper end external diameter is 90-98mm.
7. combined cyclone sand washing device according to claim 1, it is characterised in that the diameter of described first through hole and described second through hole is 20-22mm, the diameter of described swirl nozzle is 8-12mm, and the diameter of described emple hole is 10-14mm.
8. combined cyclone sand washing device according to claim 1, it is characterised in that described valve pocket outer wall is provided with circle first groove, arranges the first sealing ring in described first groove, described valve pocket is through described first sealing ring, to contact with described valve seal.
9. combined cyclone sand washing device according to claim 1, it is characterised in that the bottom in described valve body is provided with a ring annular groove, is provided with back-up ring in described annular groove, the bottom of described valve pocket contacts with described back-up ring, to carry out spacing to described valve pocket.
10. combined cyclone sand washing device according to claim 1, it is characterized in that, the pressure-bearing top exterior walls of described spool is provided with circle second groove, is provided with the second sealing ring in described second groove, described pressure-bearing top is through described second sealing ring, to contact with described valve seal;
The upper inside wall of described valve pocket is provided with circle the 3rd groove, is provided with the 3rd sealing ring in described 3rd groove, and the bottom of described hollow body, through described 3rd sealing ring, contacts to seal with described valve pocket.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201521077655.5U CN205297403U (en) | 2015-12-22 | 2015-12-22 | Combined cyclone sand washer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201521077655.5U CN205297403U (en) | 2015-12-22 | 2015-12-22 | Combined cyclone sand washer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205297403U true CN205297403U (en) | 2016-06-08 |
Family
ID=56472110
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201521077655.5U Active CN205297403U (en) | 2015-12-22 | 2015-12-22 | Combined cyclone sand washer |
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| CN (1) | CN205297403U (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112065329A (en) * | 2019-06-11 | 2020-12-11 | 中国石油天然气股份有限公司 | Cleaning tool and method for oil and gas well shaft |
| CN112523697A (en) * | 2019-09-18 | 2021-03-19 | 中国石油天然气股份有限公司 | Drill bit and drilling equipment |
| CN114293934A (en) * | 2021-12-31 | 2022-04-08 | 杰瑞能源服务有限公司 | Sand washing pipe column and sand washing process |
| CN114293940A (en) * | 2021-12-31 | 2022-04-08 | 杰瑞能源服务有限公司 | Power device and drilling and grinding tool |
| CN115434666A (en) * | 2022-08-23 | 2022-12-06 | 中国石油天然气集团有限公司 | Sand washing and leakage plugging integrated downhole drilling tool and use method thereof |
-
2015
- 2015-12-22 CN CN201521077655.5U patent/CN205297403U/en active Active
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112065329A (en) * | 2019-06-11 | 2020-12-11 | 中国石油天然气股份有限公司 | Cleaning tool and method for oil and gas well shaft |
| CN112523697A (en) * | 2019-09-18 | 2021-03-19 | 中国石油天然气股份有限公司 | Drill bit and drilling equipment |
| CN114293934A (en) * | 2021-12-31 | 2022-04-08 | 杰瑞能源服务有限公司 | Sand washing pipe column and sand washing process |
| CN114293940A (en) * | 2021-12-31 | 2022-04-08 | 杰瑞能源服务有限公司 | Power device and drilling and grinding tool |
| CN115434666A (en) * | 2022-08-23 | 2022-12-06 | 中国石油天然气集团有限公司 | Sand washing and leakage plugging integrated downhole drilling tool and use method thereof |
| CN115434666B (en) * | 2022-08-23 | 2024-01-19 | 中国石油天然气集团有限公司 | Sand flushing and leakage blocking integrated underground drilling tool and use method thereof |
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