CN114109289B - Oil-water well flushing sundry collecting device - Google Patents
Oil-water well flushing sundry collecting device Download PDFInfo
- Publication number
- CN114109289B CN114109289B CN202010901863.1A CN202010901863A CN114109289B CN 114109289 B CN114109289 B CN 114109289B CN 202010901863 A CN202010901863 A CN 202010901863A CN 114109289 B CN114109289 B CN 114109289B
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- joint
- spring
- pipe
- shunt
- oil
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 47
- 238000011010 flushing procedure Methods 0.000 title claims abstract description 29
- 238000007789 sealing Methods 0.000 claims description 16
- 238000000926 separation method Methods 0.000 claims description 14
- 238000004891 communication Methods 0.000 claims description 10
- 239000007921 spray Substances 0.000 claims description 4
- 230000008021 deposition Effects 0.000 claims description 3
- 239000003129 oil well Substances 0.000 abstract description 14
- 238000004519 manufacturing process Methods 0.000 abstract description 8
- 230000007774 longterm Effects 0.000 abstract description 3
- 230000008901 benefit Effects 0.000 abstract description 2
- 238000004140 cleaning Methods 0.000 abstract description 2
- 230000000694 effects Effects 0.000 abstract description 2
- 239000007788 liquid Substances 0.000 description 8
- 210000000078 claw Anatomy 0.000 description 7
- 239000012535 impurity Substances 0.000 description 7
- 239000004576 sand Substances 0.000 description 5
- 230000007246 mechanism Effects 0.000 description 4
- 241000251468 Actinopterygii Species 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 238000003466 welding Methods 0.000 description 3
- 238000004804 winding Methods 0.000 description 3
- 230000009471 action Effects 0.000 description 2
- 238000000605 extraction Methods 0.000 description 2
- 238000010276 construction Methods 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000003116 impacting effect Effects 0.000 description 1
- 238000002955 isolation Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 239000003208 petroleum Substances 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 238000005086 pumping Methods 0.000 description 1
- 238000004080 punching Methods 0.000 description 1
- 238000007790 scraping Methods 0.000 description 1
- 238000004062 sedimentation Methods 0.000 description 1
- 238000005507 spraying Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Classifications
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- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21B—EARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B31/00—Fishing for or freeing objects in boreholes or wells
- E21B31/03—Freeing by flushing
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21B—EARTH OR ROCK 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
- E21B21/103—Down-hole by-pass valve arrangements, i.e. between the inside of the drill string and the annulus
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21B—EARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B27/00—Containers for collecting or depositing substances in boreholes or wells, e.g. bailers, baskets or buckets for collecting mud or sand; Drill bits with means for collecting substances, e.g. valve drill bits
- E21B27/005—Collecting means with a strainer
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21B—EARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B34/00—Valve arrangements for boreholes or wells
- E21B34/06—Valve arrangements for boreholes or wells in wells
- E21B34/08—Valve arrangements for boreholes or wells in wells responsive to flow or pressure of the fluid obtained
Landscapes
- Engineering & Computer Science (AREA)
- Life Sciences & Earth Sciences (AREA)
- Geology (AREA)
- Mining & Mineral Resources (AREA)
- Physics & Mathematics (AREA)
- Environmental & Geological Engineering (AREA)
- Fluid Mechanics (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Marine Sciences & Fisheries (AREA)
- Mechanical Engineering (AREA)
- Valve Housings (AREA)
- Lift Valve (AREA)
Abstract
The utility model provides an debris collection device is washed to oil-water well, includes riser, joint, sliding sleeve, shunt tubes, goes up spring, goes up inner tube, spring adjusting sleeve, valve ball, disk seat, lower spring, shunt joint, spring holder, shunt tubes, urceolus, lower inner tube, lower joint, upper seal circle, lower seal circle, sieve, nozzle, adapter sleeve. The flushing water of the invention generates a jet effect to form a low-pressure area when flowing out from the nozzle, so that the flushing water can better carry the sundries in the well to be cleaned to flow upwards through the lower inner pipe, and the sundries are blocked by the lower part of the spring seat and the filter plate to fall into the sundry collecting cavity, thereby being lifted to the ground and realizing the purpose of cleaning the sundries in the well. The invention overcomes the problems existing in the prior art, can thoroughly remove sundries in the well, eliminates the influence of the sundries on the oil pump, can ensure the long-term normal production of the oil well, and has remarkable economic benefit.
Description
Technical Field
The invention relates to equipment for repairing an oil field well, in particular to a collecting device for flushing sundries in an oil-water well.
Background
The oil well can be subjected to various operation and construction in the oil extraction process, and various tools are put into the oil well, so that sundries are easy to fall into the oil well. The impurities possibly flow into the oil pump or the wellhead controller in the oil extraction process, so that the oil pump and other equipment do not work or the wellhead controller is blocked, the oil well cannot be produced, and the production can be restored after the impurities are removed in the well repairing operation.
The existing method for removing impurities in the well is generally flushing sand, the existing flushing sand method cannot form a low-pressure area at the position of the impurities in the well, upward flowing liquid flow cannot be formed in the well, the liquid flow does not carry external force of the impurities and sand, the impurities cannot be flushed and collected, and the impurities in the well are difficult to remove. Therefore, although some equipment and materials are adopted to wash the oil well, because sundries cannot be removed, equipment such as an oil pump and the like do not work or a wellhead controller is blocked during oil well production, the situation that the oil well cannot be produced occurs, after the accident occurs, well repairing operation is carried out, and a blocked pipe column and oil pumping equipment are put forward for detection and replacement, so that the production mode increases the operation cost on one hand, and the production stopping time of the oil well is long on the other hand, the oil well yield can be reduced, and serious economic loss is generated.
In the prior art, CN111305783a discloses a downhole junk fishing device, comprising: the device comprises an outer cylinder, a fishing basket, a basket claw ring and a reverse circulation one-way valve assembly; the upper end of the outer cylinder body is connected with an upper joint, and the lower end of the outer cylinder body is connected with a scraping ring; the fishing basket is sleeved in the outer cylinder body, and a water leakage hole is formed in the side wall of the fishing basket; the basket claw ring is arranged at the lower part of the fishing basket, a plurality of basket claws are hinged in the basket claw ring, the end part of each basket claw extends to the axle center of the basket claw ring, and each basket claw can only swing upwards; the reverse circulation one-way valve assembly is arranged between the fishing basket and the upper joint.
CN210685901U discloses a well bottom salvage device for workover, including salvage frame and hinge bracket, salvage frame includes the base plate, the welding of base plate top has the ear piece, the welding of base plate bottom has the support frame, the welding of support frame middle part has the motor frame, the motor is installed to the motor frame inner chamber, be provided with the spacing ring under the motor, the outer ring wall of spacing ring is connected with the vaulting pole.
CN211230338U discloses a salvage cup device and well junk salvage mechanism that workover was used, this salvage cup device includes: the locking sleeve comprises a carrying cylinder, a locking sleeve and at least two connectors; the connecting bodies are provided with columnar grooves, at least two connecting bodies can be circumferentially distributed outside the drill rod around the axis of the drill rod, and the locking sleeve is sleeved at the first ends of the at least two connecting bodies so as to tighten the at least two connecting bodies; the carrying cylinder is connected to the second ends of the at least two connectors.
CN111236875a discloses a device for salvaging rope type falling objects under the well of petroleum exploitation and workover, which comprises a rope grabbing device, wherein the rope grabbing device is positioned at the lower part of the salvaging device and comprises a fixed ring, an internal tooth slewing bearing, a lower shield, a first motor, a first gear and a rope clamping mechanism, and the rope clamping mechanism is used for clamping a rope; the upper end of the fixed ring is fixedly connected with an annular lower fixed seat, and an annular upper fixed seat is arranged above the lower fixed seat; the upper end of the upper fixing seat is provided with a rotary toothed sleeve device, and the rope winding device comprises a rope winding machine frame, a mounting frame, a second external tooth rotary support, a rotating plate and a clamping rod, and a clamping mechanism is arranged on the rope winding machine frame in a penetrating manner. The fishing device can be used for fishing down-hole rope falling objects, if the rope can be automatically sheared according to condition control equipment when the rope is blocked, the upper part of the broken rope is fished, the use is convenient, and the fishing time is shortened.
However, none of the above-mentioned references discloses that the bottom hole is produced to flow upward during the salvaging process, and the structure is very complex, which is difficult to popularize and apply in the field.
Disclosure of Invention
In order to solve the problems, the invention provides the oil-water well flushing sundry collecting device, which reduces the pressure of sundries, enables the bottom of the well to generate upward flowing liquid flow, brings the sundries out and collects the sundries, eliminates the influence of the sundries on the oil well production, overcomes the problems in the prior art and ensures the long-term normal production of the oil well.
The invention is realized in the following way: comprises a lifting pipe, a joint, a sliding sleeve, a shunt pipe, an upper spring, an upper inner pipe, a spring adjusting sleeve, a valve ball, a valve seat, a lower spring, a shunt joint, a spring seat, a shunt pipe, an outer cylinder, a lower inner pipe, a lower joint, an upper sealing ring, a lower sealing ring, a sieve plate, a nozzle and a connecting sleeve, wherein the connecting sleeve is provided with a water outlet hole, the lower part of the connecting sleeve is connected with the upper part of the spring seat, the lower spring is arranged in the connecting sleeve, the lower part of the lower spring is arranged on the spring seat, the upper part of the connecting sleeve is connected with the lower part of the shunt joint, the valve ball and the upper end valve opening of the valve seat can be matched and sealed, the valve seat and the valve ball are arranged in the upper part of the shunt joint, the lower end surface of the valve seat is arranged on an inner shoulder of the shunt joint, the valve ball is jacked by the lower spring, the valve ball can not contact with the upper end valve opening of the valve seat, the sieve plate is provided with a communication hole, the sieve plate is arranged in the upper inner pipe, the upper inner pipe is provided with a water outlet hole, the upper inner pipe is provided with an upper diameter section and a lower diameter section, the upper diameter section is positioned above the water outlet hole, the lower diameter section is positioned below the water outlet hole, the diameter of the lower diameter section is smaller than that of the upper diameter section, a sliding sleeve is sleeved on the upper inner pipe and covers the water outlet hole, an upper sealing ring is arranged between the upper inner wall of the sliding sleeve and the upper diameter section and positioned above the water outlet hole, the upper sealing ring seals a gap between the upper inner wall of the sliding sleeve and the upper diameter section, a lower sealing ring is arranged between the lower inner wall of the sliding sleeve and the lower diameter section and positioned below the water outlet hole, the lower sealing ring seals a gap between the lower inner wall of the sliding sleeve and the lower diameter section, an upper spring is sleeved on the upper inner pipe, the upper part of the upper spring props against the lower end of the sliding sleeve, the inner thread of the spring adjusting sleeve is screwed with the lower thread of the upper inner pipe, the lower part of the upper spring is pressed on the spring adjusting sleeve, so that the upper spring has a certain pretightening force, the lower part of the upper inner tube is connected with the upper part internal thread of the shunt joint, the sieve plate limits the lifting height of the valve ball in the upper inner tube, the lower end surface of the upper inner tube presses the valve seat, the lower part of the shunt tube is connected with the upper part external thread of the shunt joint, the shunt tube is provided with an internal communication through hole, the joint is sleeved outside the upper part of the upper inner tube, the lower part internal thread of the joint is connected with the upper part of the shunt tube, the lower part of the riser tube is connected with the upper part external thread of the upper inner tube, the upper part of the outer tube is connected with the lower part external thread of the joint, the left side of the shunt joint is provided with a blind hole, a nozzle is arranged on the shunt joint from outside the outer tube, the spray hole of the nozzle is communicated with the upper part of the blind hole, the lower inner tube is connected in the lower joint, the lower part of the shunt tube is inserted into the upper part internal hole of the lower joint, a sundry collecting cavity is formed between the inner wall of the shunt tube and the outer wall of the lower inner tube, the upper part of the lower joint is connected with the lower part of the outer tube, the lower part of the shunt tube is communicated with the outer wall of the outer tube, and the water outlet pipe is communicated with the outer wall of the outer channel of the drain passage through the drain hole.
The filter plate is arranged at the lower part of the connecting sleeve, and the filter plate is provided with filter holes, and the outer diameter of the filter plate is equal to the inner diameter of the flow isolation pipe, so that the returned liquid can only pass through the filter holes on the filter plate.
An upper outer cylinder is arranged on the connector, the lower part of the upper outer cylinder is in threaded connection with the upper part of the connector, an upper deposition cavity is formed between the inner wall of the upper outer cylinder and the outer wall of the lifting pipe, and the upper part of the lifting pipe is positioned outside the upper end of the upper outer cylinder.
The flushing water of the invention generates a jet effect to form a low-pressure area when flowing out from the nozzle, so that the flushing water can better carry the sundries in the well to be cleaned to flow upwards through the lower inner pipe, and the sundries are blocked by the lower part of the spring seat and the filter plate to fall into the sundry collecting cavity, thereby being lifted to the ground and realizing the purpose of cleaning the sundries in the well. The invention overcomes the problems existing in the prior art, can thoroughly remove sundries in the well, eliminates the influence of the sundries on the oil pump, can ensure the long-term normal production of the oil well, and has remarkable economic benefit.
Drawings
FIG. 1 is a schematic diagram of an assembly structure of the flushing debris collecting device for an oil-water well.
Detailed Description
Embodiments of the present invention are described in detail below, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to like or similar elements or elements having like or similar functions throughout. The embodiments described below by referring to the drawings are illustrative and intended to explain the present invention and should not be construed as limiting the invention.
As can be seen from the figure, in the oil well of a certain oil field, the oil-water well flushing sundries collecting device comprises a lifting pipe 2, an upper outer cylinder 3, a joint 4, a sliding sleeve 5, a shunt pipe 6, an upper spring 7, an upper inner pipe 8, a spring adjusting sleeve 9, a valve ball 10, a valve seat 11, a lower spring 12, a shunt joint 13, a filter plate 14, a spring seat 15, a shunt pipe 16, an outer cylinder 17, a lower inner pipe 18, a lower joint 19, an upper sealing ring 20, a lower sealing ring 21, a filter plate 22, a nozzle 23 and a connecting sleeve 24, wherein the connecting sleeve 24 is provided with a water outlet 24-1, the lower part of the connecting sleeve 24 is connected with the upper part of the spring seat 15, the lower spring 12 is installed in the connecting sleeve 24, the lower part of the lower spring 12 is seated on the spring seat 15, the upper part of the connecting sleeve 24 is connected with the lower part of the shunt joint 13, the valve ball 10 is matched and sealed with the upper end valve mouth of the valve seat 11, the valve seat 11 and the valve ball 10 are arranged in the upper part of the diverting joint 13, the lower end face of the valve seat 11 is seated on the inner shoulder of the diverting joint 13, the valve ball 10 is jacked by the lower spring 12, so that the valve ball 10 cannot be contacted with the valve opening at the upper end of the valve seat 11, the sieve plate 22 is provided with a communicating hole, the sieve plate 22 is arranged in the upper inner pipe 8, the upper inner pipe 8 is provided with a water outlet 8-2, the upper inner pipe 8 is provided with an upper diameter section 8-1 and a lower diameter section 8-3, the upper diameter section 8-1 is positioned above the water outlet 8-2, the lower diameter section 8-3 is positioned below the water outlet 8-2, and the diameter of the lower diameter section 8-3 is smaller than the diameter of the upper diameter section 8-1, namely the diameter difference exists between the upper diameter section and the lower diameter section 8-3 is not smaller than 20% of the diameter of the lower diameter section 8-3 in the embodiment. The sliding sleeve 5 is sleeved on the upper inner pipe 8, the sliding sleeve 5 covers the water outlet hole 8-2, an upper sealing ring 20 is arranged between the upper inner wall of the sliding sleeve 5 and the upper diameter section 8-1, the upper sealing ring 20 is positioned above the water outlet hole 8-2, the upper sealing ring 20 seals a gap between the upper inner wall of the sliding sleeve 5 and the upper diameter section 8-1, a lower sealing ring 21 is arranged between the lower inner wall of the sliding sleeve 5 and the lower diameter section 8-3, the lower sealing ring 21 is positioned below the water outlet hole 8-2, the lower sealing ring 21 seals a gap between the lower inner wall of the sliding sleeve 5 and the lower diameter section 8-3, the upper spring 7 is sleeved on the upper inner pipe 8, the upper part of the upper spring 7 props against the lower end of the sliding sleeve 5, the inner thread of the spring adjusting sleeve 9 is screwed with the lower thread of the upper inner pipe 8, the lower part of the upper spring 7 is pressed on the spring adjusting sleeve 9, the upper spring 7 has a certain pretightening force, the lower part of the upper inner tube 8 is connected with the upper part of the shunt joint 13 by internal threads, the sieve plate 22 limits the lifting height of the valve ball 10 in the upper inner tube 8, the lower end surface of the upper inner tube 8 presses the valve seat 11, the lower part of the shunt tube 6 is connected with the upper part of the shunt joint 13 by external threads, the shunt tube 6 is provided with an internal communication hole 6-1, the joint 4 is sleeved outside the upper part of the upper inner tube 8, the lower part of the joint 4 is connected with the upper part of the shunt tube 6 by internal threads, the lower part of the riser tube 2 is connected with the upper part of the upper inner tube 8 by external threads, the upper part of the outer tube 17 is connected with the lower part of the joint 4 by external threads, the left side of the lower part of the shunt joint 13 is provided with a blind hole 13-1, the nozzle 23 is arranged on the shunt joint 13 from outside the outer tube 17, the spray hole of the nozzle 23 is communicated with the upper part of the blind hole 13-1, the lower part of the lower inner tube 18 is connected in the lower joint 19, the lower part of the flow separation pipe 16 is inserted into an inner hole at the upper part of the lower joint 19, a sundry collecting cavity 16-1 is formed between the inner wall of the flow separation pipe 16 and the outer wall of the lower inner pipe 18, the upper part of the lower joint 19 is connected with the lower part of the outer barrel 17, the upper part of the flow separation pipe 16 is inserted into the lower part of the flow separation pipe 13, the lower part of the blind hole 13-1 is communicated with the inner part of the flow separation pipe 16, an outer communication hole 17-2 is formed at the lower part of the outer barrel 17, and a flow passage 17-1 is formed among the outer wall of the flow separation pipe 6, the outer wall of the flow separation pipe 13, the outer wall of the flow separation pipe 16 and the inner wall of the outer barrel 17, wherein the cylindrical outer part of the flow separation pipe 13 is removed except for a nozzle part. When the sliding sleeve 5 descends and does not cover the water outlet hole 8-2, flushing water flowing out of the water outlet hole 8-2 can flow out of the inner connecting through hole 6-1, the runner 17-1 and the outer connecting through hole 17-2, and the lower part of the spring seat 15 is umbrella-shaped, so that sundries are blocked and not carried away, and can fall into the sundry collecting cavity 16-1.
A further measure of the invention is that a filter plate 14 is mounted in the lower part of the connection sleeve 24, the filter plate 14 having filter holes, the outer diameter of the filter plate 14 being equal to the inner diameter of the flow-dividing pipe 16, so that the return liquid (called return liquid when flushing water returns) can only pass through the filter holes in the filter plate 14.
The invention further provides that an upper outer cylinder 3 is arranged on the joint 4, the lower part of the upper outer cylinder 3 is in threaded connection with the upper part of the joint 4, an upper deposition cavity 3-1 is formed between the inner wall of the upper outer cylinder 3 and the outer wall of the lifting pipe 2, and the upper part of the lifting pipe 2 is positioned outside the upper end of the upper outer cylinder 3.
The tubing collar 1 lifts the upper portion of the pipe 2 to raise the invention by punching an elevator.
The invention is connected to the lower part of a flushing pipe column and is lower than a fish top by a certain distance, flushing liquid starts to be pumped in by positive circulation, the impact force generated by the flushing liquid enables the valve ball 10 to overcome the supporting force of the lower spring 12 and then to sit on the valve seat 11 to intercept a positive flushing passage, then the pressure is increased, under the action of the internal area difference of the sliding sleeve 5, the sliding sleeve 5 generates downward thrust to overcome the supporting force of the upper spring 7 and descend, the water outlet 8-2 is not covered after the sliding sleeve 5 descends, flushing water flows out from the water outlet 8-2, and flows downwards to impact the fish top (the position where sundries are located) through the inner communication hole 6-1, the runner 17-1 and the outer communication hole 17-2, and then carries sundries after downwards impacting the fish top, flows out through the lower inner pipe 18, the filter plate 14, the blind hole 13-1 and the nozzle 23, and the flushing water generates a spraying action to form a low pressure area when flowing out from the nozzle 23, so that sundries can better carry sundries upwards through the lower inner pipe 18. The sundries are blocked by the lower part of the spring seat 15 and the filter plate 14 from falling into the sundry collecting cavity 16-1. The upper sedimentation cavity 3-1 is used for collecting sand sinking in a shaft when the well flushing and sand flushing operation is stopped.
While embodiments of the present invention have been shown and described, it will be understood by those of ordinary skill in the art that: many changes, modifications, substitutions and variations may be made to the embodiments without departing from the spirit and principles of the invention, the scope of which is defined by the claims and their equivalents.
Claims (7)
1. An oil-water well washes debris collection device, its characterized in that: the device comprises a lifting pipe, a joint, a sliding sleeve, a shunt pipe, an upper spring, an upper inner pipe, a spring adjusting sleeve, a valve ball, a valve seat, a lower spring, a shunt joint, a spring seat, a shunt pipe, an outer barrel, a lower inner pipe, a lower joint, an upper sealing ring, a lower sealing ring, a sieve plate, a nozzle and a connecting sleeve;
the connecting sleeve is provided with a water outlet hole, the lower part of the connecting sleeve is connected with the upper part of the spring seat, the lower spring is installed in the connecting sleeve, the lower part of the lower spring is seated on the spring seat, the upper part of the connecting sleeve is connected with the lower part of the diverting joint, the valve ball is sealed with the upper end valve opening of the valve seat in a matched manner, the valve seat and the valve ball are installed on the upper part of the diverting joint, the lower end surface of the valve seat is seated on the inner shoulder of the diverting joint, the valve ball is jacked by the lower spring, the sieve plate is provided with a communication hole, the sieve plate is installed in the upper inner pipe, the upper inner pipe is provided with a water outlet hole, the sliding sleeve is sleeved on the upper inner pipe and covers the water outlet hole on the upper inner pipe, the upper spring is sleeved on the upper inner pipe, the upper part of the upper spring props against the lower end of the sliding sleeve, the internal thread of the spring adjusting sleeve is screwed with the lower thread of the upper inner tube, the lower part of the upper spring is pressed on the spring adjusting sleeve, the lower part of the upper inner tube is connected with the upper internal thread of the shunt joint, the sieve plate limits the lifting height of the valve ball in the upper inner tube, the lower end surface of the upper inner tube presses the valve seat, the lower part of the shunt tube is connected with the upper external thread of the shunt joint, the shunt tube is provided with an internal through hole, the joint is sleeved outside the upper part of the upper inner tube, the lower internal thread of the joint is connected with the upper part of the shunt tube, the lower part of the riser is connected with the upper thread of the upper inner tube, the upper part of the outer tube is connected with the lower external thread of the joint, the left side of the lower part of the shunt joint is provided with a blind hole, the spray hole of the spray nozzle is communicated with the upper part of the blind hole, the lower part of the lower inner pipe is connected in the lower joint, the lower part of the flow separation pipe is inserted into an inner hole at the upper part of the lower joint, a sundry collecting cavity is formed between the inner wall of the flow separation pipe and the outer wall of the lower inner pipe, the upper part of the lower joint is connected with the lower part of the outer cylinder, the lower part of the blind hole is communicated with the inside of the flow separation pipe, an outer communication hole is formed at the lower part of the outer cylinder, a flow passage is formed between the outer wall of the flow separation pipe, the outer wall of the flow separation pipe and the inner wall of the outer cylinder, and flushing water flowing out from a water outlet on the upper inner pipe flows out through the inner communication hole, the flow passage and the outer communication hole.
2. The oil-water well flushing debris collection device of claim 1, wherein: the lower part of the spring seat is umbrella-shaped.
3. The oil-water well flushing debris collection device of claim 1, wherein: the lower part of the connecting sleeve is provided with a filter plate, and the filter plate is provided with a filter hole.
4. The oil-water well flushing debris collection device of claim 3, wherein: the outer diameter of the filter plate is equal to the inner diameter of the riser.
5. The oil-water well flushing debris collection device of claim 1, wherein: an upper outer cylinder is arranged on the connector, and the lower part of the upper outer cylinder is in threaded connection with the upper part of the connector.
6. The oil-water well flushing debris collection device of claim 5, wherein: an upper deposition cavity is formed between the inner wall of the upper outer cylinder and the outer wall of the lifting pipe.
7. The oil-water well flushing debris collection device of claim 6, wherein: the upper part of the lifting pipe is positioned outside the upper end of the upper outer cylinder.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010901863.1A CN114109289B (en) | 2020-08-31 | 2020-08-31 | Oil-water well flushing sundry collecting device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010901863.1A CN114109289B (en) | 2020-08-31 | 2020-08-31 | Oil-water well flushing sundry collecting device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN114109289A CN114109289A (en) | 2022-03-01 |
| CN114109289B true CN114109289B (en) | 2024-01-30 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010901863.1A Active CN114109289B (en) | 2020-08-31 | 2020-08-31 | Oil-water well flushing sundry collecting device |
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| CN (1) | CN114109289B (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN115142803B (en) * | 2022-07-13 | 2023-03-28 | 兰州凯宏中原石油科技有限公司 | Rotary descaling and plugging removal method applied to oil field |
| CN115199222B (en) * | 2022-09-19 | 2022-11-15 | 中国建筑西北设计研究院有限公司 | Well washing method and well washing device of water source heat pump system |
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| RU77332U1 (en) * | 2008-01-09 | 2008-10-20 | Общество с ограниченной ответственностью Управляющая Компания ООО "Татнефть-МехСервис" | ANTI-SAND ANCHOR |
| CN101737019A (en) * | 2009-12-02 | 2010-06-16 | 于海涛 | Release packer capable of well-flushing |
| CN205172486U (en) * | 2015-10-26 | 2016-04-20 | 中国石油化工股份有限公司 | Level pressure well washing device |
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