CN112412370B - Well flushing valve - Google Patents
Well flushing valve Download PDFInfo
- Publication number
- CN112412370B CN112412370B CN202011366179.4A CN202011366179A CN112412370B CN 112412370 B CN112412370 B CN 112412370B CN 202011366179 A CN202011366179 A CN 202011366179A CN 112412370 B CN112412370 B CN 112412370B
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- Prior art keywords
- periphery
- joint
- sides
- abutting
- cylinder
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- E—FIXED CONSTRUCTIONS
- E21—EARTH DRILLING; MINING
- E21B—EARTH DRILLING, e.g. DEEP DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B21/00—Methods or apparatus for flushing boreholes, e.g. by use of exhaust air from motor
- E21B21/10—Valve arrangements in drilling-fluid circulation systems
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH DRILLING; MINING
- E21B—EARTH DRILLING, e.g. DEEP DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B21/00—Methods or apparatus for flushing boreholes, e.g. by use of exhaust air from motor
- E21B21/002—Down-hole drilling fluid separation systems
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH DRILLING; MINING
- E21B—EARTH DRILLING, e.g. DEEP DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B21/00—Methods or apparatus for flushing boreholes, e.g. by use of exhaust air from motor
- E21B21/06—Arrangements for treating drilling fluids outside the borehole
- E21B21/063—Arrangements for treating drilling fluids outside the borehole by separating components
- E21B21/065—Separating solids from drilling fluids
Abstract
The invention discloses a well washing valve which comprises an upper joint, a connecting sleeve, a lower joint, a rotary filtering mechanism and a one-way conduction mechanism, wherein the upper joint is connected with the lower joint through the connecting sleeve; the rotary filtering mechanism is arranged in the supporting cylinder, the filtering cover is driven by the driving motor to rotate continuously, so that well washing liquid entering from the liquid inlet pipe is filtered through the continuously rotating filtering cover, large granular impurities are blocked outside the filtering cover and are placed in the supporting cylinder, and the large granular impurities can be filtered; the abutting ball valve is in up-and-down sliding penetrating connection with the guide cylinders on two sides of the lower end of the connecting block through the guide rods on the upper ends of the two sides, so that the abutting ball valve has a stable up-and-down sliding structure.
Description
Technical Field
The invention relates to a well flushing valve.
Background
The well flushing operation is a main means for removing accumulated wax, accumulated scale and accumulated salt from an oil well, has positive significance for improving the yield of the oil well, and during the well flushing operation, well flushing liquid enters from a well head and flows through the oil pipe and an oil sleeve ring in the air to clean the accumulated wax and other dirt on the oil pipe and the sleeve pipe in the oil well and bring the cleaned accumulated wax and other dirt out of the well; but large granule impurity can cause blocking of ball valve in the current well-flushing liquid and make the ball valve leakproofness poor, makes the ball valve normally close after using a period, loses the function of check valve, does not have guiding mechanism for current ball valve for it is unstable to open and close the structure.
Disclosure of Invention
Aiming at the defects of the prior art, the invention solves the problems that: the well washing valve capable of filtering large-particle impurities and having a stable opening and closing structure is provided.
In order to solve the problems, the technical scheme adopted by the invention is as follows:
a well washing valve comprises an upper joint, a connecting sleeve, a lower joint, a rotary filtering mechanism and a one-way conduction mechanism; the upper joint is arranged at the upper end of the connecting sleeve; the lower joint is arranged at the lower end of the connecting sleeve; the one-way conduction mechanism comprises a connecting block, a connecting rod, an abutting elastic body, an abutting ball valve, a supporting cylinder and a supporting plate; the connecting block is arranged at the inner axis of the upper joint; two sides of the connecting block are respectively connected to two sides of the inner part of the upper joint through connecting rods; the middle of the lower end of the connecting block is provided with an abutting elastic body; the lower end of the abutting elastic body is provided with an abutting ball valve; a support plate is arranged in the lower joint; the supporting cylinder is arranged at the upper end of the supporting plate; the middle of the upper end of the supporting cylinder is provided with an abutting ring groove; the periphery of the lower end of the abutting ball valve is abutted or separately connected to the abutting ring groove; a liquid inlet pipe is arranged on one side of the supporting cylinder, and the outer end of the liquid inlet pipe extends to the outer side of the lower joint; the rotary filtering mechanism is arranged in the supporting cylinder; the rotary filtering mechanism comprises a driving motor, a rotating shaft, a filtering cover and a clamping ring body; the driving motor is arranged in the middle of the inner part of the supporting plate; the upper end of the driving motor is rotatably provided with a rotating shaft; the upper end of the rotating shaft extends to the lower inner part of the supporting cylinder; a filter cover is arranged at the upper end of the rotating shaft; the filter cover is in a circular cylinder structure and is hollow inside, and compact filter holes are formed in the periphery, the upper end and the lower end of the filter cover; a clamping ring body is arranged around the upper end of the filter cover; the outer sides of the periphery of the clamping ring body are rotatably clamped and installed on the periphery of the inner side of the supporting cylinder; the inner end of the liquid inlet pipe is positioned below the clamping ring body.
Furthermore, the one-way conduction mechanism also comprises a guide cylinder and a guide rod; two sides of the lower end of the connecting block are respectively provided with a guide cylinder; the upper ends of the two sides of the abutting ball valve are respectively provided with a guide rod; the upper end of the guide rod is vertically connected in the guide cylinder in a sliding mode.
Further, a sealing ring groove is formed in the middle of the supporting plate; a sealing ring is arranged on the outer side of the periphery of the rotating shaft; the sealing ring is positioned in the sealing ring groove.
Furthermore, rotary clamping ring grooves are formed in the periphery of the inner side of the supporting cylinder; the outer side of the periphery of the clamping ring body is rotatably clamped and installed on the rotary clamping ring grooves on the periphery of the inner side of the supporting cylinder.
Furthermore, the outer side of the periphery of the lower end of the upper joint and the periphery of the upper end of the lower joint are respectively provided with an external thread ring surface; the peripheries of the inner sides of the upper end and the lower end of the connecting sleeve are respectively provided with an internal thread ring surface; the connecting sleeve is in threaded connection with the outer side of the periphery of the lower end of the upper joint and the outer thread ring surface of the periphery of the upper end of the lower joint respectively through the inner thread ring surfaces of the inner sides of the upper end and the lower end.
The invention has the advantages of
The rotary filtering mechanism is arranged in the supporting cylinder, the filtering cover is driven by the driving motor to rotate continuously, so that well washing liquid entering from the liquid inlet pipe is filtered through the continuously rotating filtering cover, large granular impurities are blocked outside the filtering cover and are placed in the supporting cylinder, and the large granular impurities can be filtered; the abutting ball valve is in up-and-down sliding penetrating connection with the guide cylinders on two sides of the lower end of the connecting block through the guide rods on the upper ends of the two sides, so that the abutting ball valve has a stable up-and-down sliding structure.
Drawings
Fig. 1 is a schematic structural view after the present invention is closed.
Fig. 2 is a schematic structural view after the present invention is opened.
Fig. 3 is an enlarged schematic view of the rotary filter mechanism of the present invention.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings.
As shown in fig. 1 to 3, a well washing valve comprises an upper joint 1, a connecting sleeve 2, a lower joint 3, a rotary filtering mechanism 5 and a one-way conduction mechanism 4; the upper joint 1 is arranged at the upper end of the connecting sleeve 2; the lower joint 3 is arranged at the lower end of the connecting sleeve 2; the one-way conduction mechanism 4 comprises a connecting block 41, a connecting rod 42, an abutting elastic body 45, an abutting ball valve 43, a supporting cylinder 44 and a supporting plate 48; the connecting block 41 is arranged at the inner axis of the upper joint 1; two sides of the connecting block 41 are respectively connected to two sides of the interior of the upper joint 1 through connecting rods 42; the middle of the lower end of the connecting block 41 is provided with an abutting elastic body 45; the lower end of the abutting elastic body 45 is provided with an abutting ball valve 43; a support plate 48 is arranged inside the lower joint 3; the supporting cylinder 44 is mounted on the upper end of the supporting plate 48; the middle of the upper end of the supporting cylinder 44 is provided with an abutting ring groove 441; the periphery of the lower end of the abutting ball valve 43 is abutted or separated and connected to the abutting ring groove 441; a liquid inlet pipe 6 is arranged on one side of the supporting cylinder 44, and the outer end of the liquid inlet pipe 6 extends to the outer side of the lower joint 3; the rotary filtering mechanism 5 is arranged in the supporting cylinder 44; the rotary filtering mechanism 5 comprises a driving motor 52, a rotating shaft 53, a filtering cover 51 and a clamping ring body 54; the driving motor 52 is arranged in the middle of the inner part of the supporting plate 48; the upper end of the driving motor 52 is rotatably provided with a rotating shaft 53; the upper end of the rotating shaft 53 extends to the lower inside of the support cylinder 44; the upper end of the rotating shaft 53 is provided with a filter cover 51; the filter cover 51 is in a circular cylinder structure and is hollow inside, and dense filter holes are formed in the periphery, the upper end and the lower end of the filter cover 51; the periphery of the upper end of the filter cover 51 is provided with a clamping ring body 54; the outer sides of the periphery of the clamping ring body 54 are rotatably clamped and installed on the periphery of the inner side of the support cylinder 44; the inner end of the liquid inlet pipe 6 is positioned below the clamping ring body 54.
As shown in fig. 1 to 3, further, the one-way conduction mechanism 4 further includes a guide cylinder 46 and a guide rod 47; two sides of the lower end of the connecting block 41 are respectively provided with a guide cylinder 46; the upper ends of the two sides of the abutting ball valve 43 are respectively provided with a guide rod 47; the upper end of the guide rod 47 is inserted into the guide cylinder 46 in a sliding manner. Further, a sealing ring groove is arranged in the middle of the supporting plate 48; a sealing ring 531 is arranged on the outer side of the periphery of the rotating shaft 53; the sealing ring 531 is located in the sealing ring groove. Further, a rotary clamping ring groove 442 is formed around the inner side of the support cylinder 44; the outer sides of the periphery of the clamping ring body 54 are rotatably clamped and mounted on the rotating clamping ring grooves 442 on the periphery of the inner side of the support cylinder 44. Further, the outer side of the periphery of the lower end of the upper joint 1 and the periphery of the upper end of the lower joint are respectively provided with an external thread ring surface; the peripheries of the inner sides of the upper end and the lower end of the connecting sleeve 2 are respectively provided with an internal thread ring surface; the connecting sleeve 2 is respectively in threaded connection with the outer side of the periphery of the lower end of the upper joint 1 and the outer thread ring surface of the periphery of the upper end of the lower joint 3 through the inner thread ring surfaces of the peripheries of the inner sides of the upper end and the lower end.
The rotary filtering mechanism 5 is arranged in the supporting cylinder 44, the filter cover 51 is driven by the driving motor 52 to rotate continuously, so that the well washing liquid entering from the liquid inlet pipe 6 is filtered through the continuously rotating filter cover 51, and large-particle impurities are blocked outside the filter cover 51 and are placed in the supporting cylinder 44, so that the large-particle impurities can be filtered, the continuously rotating filter cover 51 is of a cylindrical structure, and is uniformly filtered through the periphery of the cylindrical structure, so that the filter cover 51 cannot be blocked by the impurities due to continuous rotation, the self-cleaning function is realized, and the problem of filter blockage is greatly reduced; the abutting ball valve 43 of the present invention is inserted into the guide cylinders 46 of both sides of the lower end of the connecting block 41 in a vertically sliding manner through the guide rods 47 of both sides of the upper end, so that the abutting ball valve 43 has a stable vertically sliding structure.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents, improvements and the like that fall within the spirit and principle of the present invention are intended to be included therein.
Claims (5)
1. A well washing valve is characterized by comprising an upper joint, a connecting sleeve, a lower joint, a rotary filtering mechanism and a one-way conduction mechanism; the upper joint is arranged at the upper end of the connecting sleeve; the lower joint is arranged at the lower end of the connecting sleeve; the one-way conduction mechanism comprises a connecting block, a connecting rod, an abutting elastic body, an abutting ball valve, a supporting cylinder and a supporting plate; the connecting block is arranged at the inner axis of the upper joint; two sides of the connecting block are respectively connected to two sides of the inner part of the upper joint through connecting rods; the middle of the lower end of the connecting block is provided with an abutting elastic body; the lower end of the abutting elastic body is provided with an abutting ball valve; a support plate is arranged in the lower joint; the supporting cylinder is arranged at the upper end of the supporting plate; the middle of the upper end of the supporting cylinder is provided with an abutting ring groove; the periphery of the lower end of the abutting ball valve is abutted or separately connected to the abutting ring groove; a liquid inlet pipe is arranged on one side of the supporting cylinder, and the outer end of the liquid inlet pipe extends to the outer side of the lower joint; the rotary filtering mechanism is arranged in the supporting cylinder; the rotary filtering mechanism comprises a driving motor, a rotating shaft, a filtering cover and a clamping ring body; the driving motor is arranged in the middle of the inner part of the supporting plate; the upper end of the driving motor is rotatably provided with a rotating shaft; the upper end of the rotating shaft extends to the lower inner part of the supporting cylinder; the upper end of the rotating shaft is provided with a filter cover; the filter cover is in a circular cylinder structure and is hollow inside, and compact filter holes are formed in the periphery, the upper end and the lower end of the filter cover; a clamping ring body is arranged around the upper end of the filter cover; the outer sides of the periphery of the clamping ring body are rotatably clamped and installed on the periphery of the inner side of the supporting cylinder; the inner end of the liquid inlet pipe is positioned below the clamping ring body.
2. The well-flushing valve of claim 1, wherein said one-way conduction mechanism further comprises a guide cylinder and a guide rod; two sides of the lower end of the connecting block are respectively provided with a guide cylinder; the upper ends of the two sides of the abutting ball valve are respectively provided with a guide rod; the upper end of the guide rod is vertically connected in the guide cylinder in a sliding mode.
3. The well-flushing valve of claim 1 wherein said support plate has a sealing ring groove formed in the middle thereof; a sealing ring is arranged on the outer side of the periphery of the rotating shaft; the sealing ring is positioned in the sealing ring groove.
4. The well-flushing valve of claim 1, wherein the support cylinder is provided with a rotary clamping ring groove around the inner side; the outer sides of the periphery of the clamping ring body are rotatably clamped and installed on the rotary clamping ring grooves on the periphery of the inner side of the supporting cylinder.
5. The well-flushing valve of claim 1, wherein an external thread ring surface is respectively arranged on the outer side of the periphery of the lower end of the upper joint and the periphery of the upper end of the lower joint; the peripheries of the inner sides of the upper end and the lower end of the connecting sleeve are respectively provided with an internal thread ring surface; the connecting sleeve is in threaded connection with the outer side of the periphery of the lower end of the upper joint and the outer thread ring surface of the periphery of the upper end of the lower joint through the inner thread ring surfaces of the peripheries of the inner sides of the upper end and the lower end of the connecting sleeve.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011366179.4A CN112412370B (en) | 2020-11-29 | 2020-11-29 | Well flushing valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011366179.4A CN112412370B (en) | 2020-11-29 | 2020-11-29 | Well flushing valve |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN112412370A CN112412370A (en) | 2021-02-26 |
| CN112412370B true CN112412370B (en) | 2023-02-24 |
Family
ID=74842974
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202011366179.4A Active CN112412370B (en) | 2020-11-29 | 2020-11-29 | Well flushing valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN112412370B (en) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113350848A (en) * | 2021-06-28 | 2021-09-07 | 江苏力克石油机械有限公司 | Well flushing valve with filtering and deslagging structure |
| CN113356775A (en) * | 2021-06-28 | 2021-09-07 | 江苏力克石油机械有限公司 | Longitudinal adjustment type well flushing valve |
| CN115068988B (en) * | 2022-06-01 | 2023-04-18 | 江苏翠源食品科技股份有限公司 | Self-discharging type vegetable cleaning wastewater treatment device |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102782247A (en) * | 2010-01-20 | 2012-11-14 | 威尔博尔能量产品有限公司 | Wellbore knock-out chamber and related methods of use |
| CN202926265U (en) * | 2012-12-17 | 2013-05-08 | 刘志刚 | Anti-pollution well-washing valve for wellbore of heavy oil well |
| CN204186325U (en) * | 2014-10-16 | 2015-03-04 | 克拉玛依市尚正石油科技有限公司 | Screw pump Special reverse cyclic cleaning valve |
| CN211536804U (en) * | 2019-12-30 | 2020-09-22 | 江苏瑞洋安泰新材料科技有限公司 | Washing placed slurry production cylinder filtering device |
| CN212027714U (en) * | 2020-04-23 | 2020-11-27 | 山东智虹石油科技有限公司 | Improved constant-pressure setting type forward-washable check valve |
-
2020
- 2020-11-29 CN CN202011366179.4A patent/CN112412370B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102782247A (en) * | 2010-01-20 | 2012-11-14 | 威尔博尔能量产品有限公司 | Wellbore knock-out chamber and related methods of use |
| CN202926265U (en) * | 2012-12-17 | 2013-05-08 | 刘志刚 | Anti-pollution well-washing valve for wellbore of heavy oil well |
| CN204186325U (en) * | 2014-10-16 | 2015-03-04 | 克拉玛依市尚正石油科技有限公司 | Screw pump Special reverse cyclic cleaning valve |
| CN211536804U (en) * | 2019-12-30 | 2020-09-22 | 江苏瑞洋安泰新材料科技有限公司 | Washing placed slurry production cylinder filtering device |
| CN212027714U (en) * | 2020-04-23 | 2020-11-27 | 山东智虹石油科技有限公司 | Improved constant-pressure setting type forward-washable check valve |
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| Publication number | Publication date |
|---|---|
| CN112412370A (en) | 2021-02-26 |
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