CN116733440A - Rotational flow coalescence coupling separation module, device and tubular column for same-well injection and production well - Google Patents
Rotational flow coalescence coupling separation module, device and tubular column for same-well injection and production well Download PDFInfo
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- CN116733440A CN116733440A CN202310774175.7A CN202310774175A CN116733440A CN 116733440 A CN116733440 A CN 116733440A CN 202310774175 A CN202310774175 A CN 202310774175A CN 116733440 A CN116733440 A CN 116733440A
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- 238000000926 separation method Methods 0.000 title claims abstract description 65
- 238000004581 coalescence Methods 0.000 title claims abstract description 41
- 238000010168 coupling process Methods 0.000 title claims abstract description 34
- 238000005859 coupling reaction Methods 0.000 title claims abstract description 34
- 230000008878 coupling Effects 0.000 title claims abstract description 33
- 238000002347 injection Methods 0.000 title claims abstract description 20
- 239000007924 injection Substances 0.000 title claims abstract description 20
- 238000004519 manufacturing process Methods 0.000 title claims description 22
- 239000004576 sand Substances 0.000 claims abstract description 82
- 239000007788 liquid Substances 0.000 claims abstract description 25
- 238000005191 phase separation Methods 0.000 claims abstract description 19
- 238000000034 method Methods 0.000 claims abstract description 7
- 230000008569 process Effects 0.000 claims abstract description 6
- 239000012071 phase Substances 0.000 claims description 67
- 238000007599 discharging Methods 0.000 claims description 21
- 239000008346 aqueous phase Substances 0.000 claims description 13
- 239000000178 monomer Substances 0.000 claims description 6
- 239000012530 fluid Substances 0.000 claims description 5
- 230000009471 action Effects 0.000 claims description 4
- 230000001174 ascending effect Effects 0.000 claims description 2
- 239000003921 oil Substances 0.000 abstract description 50
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 abstract description 38
- 238000004062 sedimentation Methods 0.000 abstract description 24
- 230000005484 gravity Effects 0.000 abstract description 11
- 239000002609 medium Substances 0.000 description 11
- 230000000694 effects Effects 0.000 description 5
- 238000010586 diagram Methods 0.000 description 4
- 238000013461 design Methods 0.000 description 3
- 238000005457 optimization Methods 0.000 description 3
- 238000011161 development Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 239000011148 porous material Substances 0.000 description 2
- 239000000243 solution Substances 0.000 description 2
- 230000001133 acceleration Effects 0.000 description 1
- 238000009825 accumulation Methods 0.000 description 1
- 238000005054 agglomeration Methods 0.000 description 1
- 230000002776 aggregation Effects 0.000 description 1
- 239000012736 aqueous medium Substances 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 238000004880 explosion Methods 0.000 description 1
- 238000000605 extraction Methods 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000005728 strengthening Methods 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
Classifications
-
- 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
- E21B43/00—Methods or apparatus for obtaining oil, gas, water, soluble or meltable materials or a slurry of minerals from wells
- E21B43/34—Arrangements for separating materials produced by the well
- E21B43/38—Arrangements for separating materials produced by the well in the well
-
- 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
- E21B43/00—Methods or apparatus for obtaining oil, gas, water, soluble or meltable materials or a slurry of minerals from wells
- E21B43/34—Arrangements for separating materials produced by the well
- E21B43/38—Arrangements for separating materials produced by the well in the well
- E21B43/385—Arrangements for separating materials produced by the well in the well by reinjecting the separated materials into an earth formation in the same well
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- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (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)
- Cyclones (AREA)
Abstract
The present disclosure relates to a cyclonic coalescing coupling separation module, apparatus and tubing string for use in a same well injection well; the module comprises a three-phase separation unit and a sand discharge unit; the three-phase separation unit is provided with a spiral flow channel and a conglomerate body, sand phase and part of water phase are separated to an external annular cavity in advance by the spiral flow channel, the sand phase and part of water phase of the external annular cavity enter the lower part for further cyclone separation, the water phase is gathered at a cone section of the spiral flow channel and enters a water phase outlet, the sand phase is directly discharged from a sand discharge port, the oil phase of the annular cavity in the spiral flow channel enters a gravity sedimentation area in advance through the upper part of a liquid inlet, and then is discharged from an oil phase outlet through conglomerate body conglomeration, and the water phase enters the gravity sedimentation area through a lower liquid inlet to form enhancement of the gravity sedimentation process; the sand discharge unit injects water phase after water and sand are separated into the lower tubing coupling, and the separated sand phase is discharged from a sand discharge port; according to the embodiment provided by the disclosure, sand phase separation can be realized in the shaft in advance by utilizing the spiral flow channel, then oil-water sedimentation is realized by the cyclone separation module, coalescence is realized on separated oil drops by the coalescing module, and three-phase efficient separation of oil, water and sand is completed in a small space of the shaft.
Description
Technical Field
The disclosure relates to the field of oil field underground same-well injection and production, in particular to a cyclone separation device which is applied to the same-well injection and production process and can realize oil, water and sand three-phase separation underground.
Background
Along with the continuous development of oil fields, the underground exploitation condition is increasingly complex, the proportion of the sand contained in the produced liquid is higher and higher, the complex condition causes great difficulty in oil field exploitation, when sand phase medium passes through a lifting pump, the mechanical structure is damaged due to the self characteristic of the sand phase medium, excessive sand phase accumulation easily generates scaling phenomenon, and equipment is stopped. Meanwhile, excessive water phase lifting not only causes resource waste, but also brings difficulty to underground reinjection. Therefore, the separation of the oil-water-sand three-phase medium is necessary before lifting. The prior art has solutions to this technical problem, such as patent names: a sand removal device for downhole sand control, patent (application) No.: CN201920195764.9, the device disclosed in this document, although separating the sand phase medium by means of a sand screen and a cyclone device, has drawbacks such as: only can remove sand phase medium, the water phase is lifted to the ground completely, and then the sand phase is collected again after separation, the process is tedious and the economic benefit is low. .
Disclosure of Invention
The disclosure provides a cyclone coalescence coupling separation module, a cyclone coalescence coupling separation device and a cyclone column in a same-well injection and production well, which can solve the prior art problems pointed out in the background art. According to the technical scheme, the sand phase and part of the aqueous phase medium are separated in advance through the spiral flow channel, meanwhile, the gravity sedimentation effect is enhanced by the cyclone unit, the oil-water two phases are separated efficiently, and separated small-particle-size oil drops can be aggregated into large drops from the small drops through the internal aggregate, so that the oil drops can be lifted to the ground for further treatment. The oil-water-sand three-phase efficient separation device has a simple structure and high separation efficiency, can realize efficient separation of multiphase media, and is suitable for the field of underground oil-water separation
The utility model discloses a whirl coalescence coupling separation module for in same well injection production well, basic scheme 1: comprises a three-phase separation unit 1, which is characterized in that:
the three-phase separation unit 1 includes a housing 102, a spiral flow path cone section 104, a spiral flow path end cap 105, a spiral flow path 106, and an overflow pipe 107 disposed in the housing.
The inside and outside of the lower end of the spiral flow passage end cover 105 are respectively connected with the spiral flow passage 106 and the shell 102 through threads; the upper end of the shell 102 is provided with a feeding hole 103, the position of the feeding hole corresponds to the upper part of the spiral flow channel 106, and the lower end of the shell 102 is provided with threads for being connected with the sand discharge unit 201 through external threads.
The lower section of the spiral flow channel 106 is provided with a liquid inlet 109, and the bottom end of the spiral flow channel 106 is connected with the spiral flow channel cone section 104 through threads; the overflow pipe 107 is arranged in the spiral flow channel 106, and the upper section of the overflow pipe 107 is connected with the central cavity of the spiral flow channel end cover 105 through threads; the lower end of overflow tube 107 is threaded to achieve a threaded connection with agglomerate 108.
Further optimization on the base scheme 1 gives scheme 2: the three-phase separation unit further comprises a coalescence body 108, the coalescence body comprises at least two coalescence monomers consisting of a coalescence shell 1081 and a coalescence surface 1082, the top end of the coalescence shell 1081 is provided with a connecting thread, the coalescence surface 1082 is integrated with the coalescence shell in a protruding shape, and the center of the coalescence surface is hollowed out to form an oil drop ascending channel.
The coalescing monomers at the uppermost end are connected with the overflow pipe 107 through the threads of the coalescing shell 1081, and all the coalescing monomers are connected with each other through the coalescing shell 1081 so as to realize that separated small-particle-size oil drops contact and adhere to the coalescing surface 1082, are gathered into large oil drops at a central junction under the pushing action of fluid, and then enter the overflow pipe 107 above to finish lifting of the oil phase.
Further optimization of scheme 2 gave scheme 3:
the coalescing face 1082 is in the shape of a flower with an edge configured in an S-curve.
Further optimization of scheme 3 gave scheme 4:
the cyclone coalescence-coupling separation module used in the same-well injection and production well also comprises a sand discharge unit 2, which is characterized in that:
the sand discharging unit 2 comprises a cylindrical sand discharging body 201 with a protruding outer edge, a hollow cavity of the sand discharging body is an aqueous phase outlet 203, a slope 204 is obliquely downwards arranged from the outer edge of the aqueous phase outlet and is used as a sand guiding channel, a longitudinal section is formed at the lowest position of the slope along the direction parallel to the central line of the sand discharging body, a gap is formed at the outer edge of the sand discharging body corresponding to the lowest end of the longitudinal section, and the gap is used as a sand discharging port 205;
the sand discharging body 201 is connected with the shell 102 through external threads; the separated sand phase slides down the slope 204 to the sand discharge opening 205 for discharge.
In another aspect of the application of the present disclosure, a cyclone coalescence-coupled separation device for use in a same-well injection and production well is provided, which is unique in that: the cyclone coalescing coupled separation module of claim 4 is applied and further comprises an upper tubing collar 101 and a lower tubing collar 202.
The upper tubing collar 101 is connected with a spiral flow channel end cover 105 positioned below through a threaded connection; the lower tubing coupling 202 is in threaded connection with the lower end of the sand discharging body 201; the separated aqueous phase enters the lower tubing collar 202 from the aqueous phase outlet 203.
Further, the application in this disclosure extends to a well injection and production process string: the cyclone coalescence coupling separation device is characterized in that the cyclone coalescence coupling separation device used in the same-well injection and production well is connected into the process pipe column.
The above-mentioned at least one technical solution adopted by one or more embodiments of the present disclosure can achieve the following beneficial effects:
firstly, the invention provides a spiral runner, which can realize the advanced separation of sand phase and partial aqueous medium in the spiral runner rotational flow process, and further separate water and sand through a separation cavity below.
Secondly, the invention uses rotational flow to enhance the gravity sedimentation effect. The oil phase gathered in the center in the spiral flow passage rotational flow process can enter the upper part of the gravity separation area through the liquid inlet hole at the upper part, and the water phase enters the lower part of the gravity separation area through the liquid inlet hole at the lower part, so that the effect of strengthening gravity sedimentation is achieved.
In addition, the invention constructs a conglomerate, which can gather the separated small-particle-size oil drops into large oil drops, so as to facilitate the further treatment of the lifted produced liquid.
In summary, the invention combines three modes of rotational flow, gravity sedimentation and coalescence together, strengthens the separation of underground multiphase media, realizes the separation of oil-water-sand three-phase media in a narrow space, has simple structure, reduces the lifting cost of sand phase and water phase, relieves the working pressure and maintenance period of a lifting pump, reduces the oil extraction operation cost, changes small-particle-size oil drops into large oil drops through the design of a coalescence body, and is convenient for the treatment of subsequent produced liquid.
It is to be understood that both the foregoing general description and the following detailed description are exemplary and explanatory only and are not restrictive of the disclosure.
Other features and aspects of the present disclosure will become apparent from the following detailed description of exemplary embodiments, which proceeds with reference to the accompanying drawings.
Drawings
The accompanying drawings, which are incorporated in and constitute a part of this specification, illustrate embodiments consistent with the disclosure and together with the description, serve to explain the technical aspects of the disclosure.
FIG. 1 (a) is an overall external view of a cyclonic coalesced coupling separation device for use in a production well in a same well.
FIG. 1 (b) is a cross-sectional view of a cyclonic coalesced coupling separation device for use in a production well.
FIG. 2 is a schematic diagram showing the overall separation of a cyclone coalescence-coupled separation device used in the same-well injection and production well.
Fig. 3 (a) is an external view of the three-phase separation unit.
Fig. 3 (b) is a sectional view of the three-phase separation unit.
Fig. 4 is an exploded view of a three-phase separation unit.
FIG. 5 is an enlarged view of a portion of a spiral flow path
Fig. 6 is an external view of the agglomerate.
Fig. 7 (a) is an external view of the sand discharge unit.
Fig. 7 (b) is a sectional view of the sand discharge unit.
FIG. 8 is a schematic diagram of the removal of sand removal units and a lower tubing collar.
In the figure, 1-three-phase separation units, 101-upper oil pipe couplings, 102-shells, 103-feed holes, 104-spiral runner cone sections, 105-spiral runner end covers, 1051-oil phase outlets, 106-spiral runners, 1061-spiral runner outer annular cavities, 1062-spiral runner inner annular cavities, 1063-sedimentation separation cavities, 107-overflow pipes, 108-coalescents, 1081-coalescents shells, 1082-flower-shaped coalescents, 109-feed holes, 2-sand discharge units, 201-sand discharge bodies, 202-lower oil pipe couplings, 203-water phase outlets, 204-slopes and 205-sand discharge ports.
Detailed Description
Various exemplary embodiments, features and aspects of the disclosure will be described in detail below with reference to the drawings. In the drawings, like reference numbers indicate identical or functionally similar elements. Although various aspects of the embodiments are illustrated in the accompanying drawings, the drawings are not necessarily drawn to scale unless specifically indicated.
The word "exemplary" is used herein to mean "serving as an example, embodiment, or illustration. Any embodiment described herein as "exemplary" is not necessarily to be construed as preferred or advantageous over other embodiments.
Furthermore, numerous specific details are set forth in the following detailed description in order to provide a better understanding of the present disclosure. It will be understood by those skilled in the art that the present disclosure may be practiced without some of these specific details. In some instances, methods, means, elements, and circuits well known to those skilled in the art have not been described in detail in order not to obscure the present disclosure.
The whole appearance and the cross section of the cyclone coalescence coupling separation device used in the same-well injection and production well are shown in fig. 1, the device is vertically placed, during operation, three-phase mixed liquid enters the device from the feed hole 103, sand phase and part of aqueous phase medium are separated to the outer annular cavity 1061 of the spiral flow channel in advance after passing through the spiral flow channel 106, and aqueous phase and oil phase medium enter the inner annular cavity 1062 of the spiral flow channel and then are subjected to sedimentation separation. The separated sand phase is discharged from the sand discharge port 205 through the sand discharge body 201, the water phase generated by the cyclone separation of the external water sand and the water phase after the sedimentation of the internal oil water are converged to the water phase outlet 203, and the separated oil phase medium enters the oil feeding pipe coupling 101 through the overflow pipe 107 and the oil phase outlet 1051 and is finally lifted to the ground. The separation diagram of the cyclone coalescence coupling separation device used in the same-well injection and production well is shown in fig. 2, and mainly comprises a three-phase separation unit 1, a sand discharge unit 2 and an upper oil pipe coupling and a lower oil pipe coupling.
The three-phase separation unit is shown in fig. 3 in external appearance and cross section, and a spiral flow path end cover 105 is respectively connected with an upper oil pipe coupling 101 and a shell 102 in a threaded manner. The spiral flow channel 106 is arranged inside the shell 102, the three-phase mixed liquid enters the spiral flow channel 106 from the feed hole 103, a spiral flow field is formed after spiral acceleration, and when the three-phase mixed liquid passes through the middle part of the spiral flow channel 106, sand phase and part of water phase are separated in advance from an outer annular cavity 1601 of the spiral flow channel between the shell 102 and the spiral flow channel 106. The fluid in the outer annular cavity 1601 of the spiral flow channel enters the lower part of the three-phase separation unit 1 and then is subjected to cyclone separation again. The oil phase and part of the aqueous phase medium enter a sedimentation separation cavity 1063 in the spiral flow channel 106 from a liquid inlet 1064 along an inner annular cavity 1062 of the spiral flow channel for sedimentation separation, the small-particle-size liquid drops of the separated oil phase are gathered into large liquid drops through a conglomerate 108, the large liquid drops enter an oil feeding pipe coupling 101 through an overflow pipe 107 and an oil phase outlet 1051, and the water phase after sedimentation separation in the sedimentation separation cavity 1063 is gathered together through a spiral flow channel cone section 104 and the water phase after cyclone separation in the outer annular cavity 1061 of the spiral flow channel and enters a sand discharging module 2. The explosion diagram of the three-phase separation unit is shown in fig. 4, and mainly comprises an upper oil pipe coupling 101, a shell 102, a feed hole 103, a spiral flow channel cone section 104, a spiral flow channel end cover 105, a spiral flow channel 106, an overflow pipe 107 and an agglomeration 108. As shown in fig. 5, the partial enlarged view of the spiral flow channel is shown in fig. 5, the sand phase with the maximum density and part of the water phase of the solid-liquid mixture entering the spiral flow channel 106 are separated in advance under the action of the spiral flow field and enter the outer annular cavity 1061 of the spiral flow channel, the rest water phase and the oil phase enter the inner annular cavity 1062 of the spiral flow channel, the oil phase enters the sedimentation separation cavity through the pore above the liquid inlet 109, and the water phase enters the sedimentation separation cavity through the pore below the liquid inlet 109, so that the purposes of pre-separating oil-water two-phase media and cyclone reinforced separation are achieved. The oil-water two phases entering the sedimentation separation cavity 1063 are subjected to gravity sedimentation separation, the oil phase with the minimum density moves upwards in the sedimentation separation process, the small-particle-size oil drops are aggregated into large-particle-size oil by the design of the coalescing body 108, and then the large-particle-size oil enters the overflow pipe 107 above to finish lifting of the oil phase. The settled and separated water phase is converged with the water phase after the cyclone separation of the fluid in the outer annular cavity 1061 of the spiral flow channel through the spiral flow channel cone section 104. The external view of the coalescent body is shown in fig. 6, the external view of the coalescent body is shown in fig. a and b, the upper ends of the coalescent bodies 108 are connected with the overflow pipe 107 through the threads of the coalescent shell 1081, the coalescent bodies are also connected with each other through the coalescent shell 1081, and separated small-particle-size oil drops contact and adhere to the flower-shaped coalescent surface 1082, and are gathered into large oil drops at the central junction under the pushing action of fluid, so that the large oil drops are convenient to be further processed after being separated and lifted;
the appearance and the cross-section of the sand discharging unit are as shown in fig. 7, the sand discharging body 201 and the lower tubing coupling 202 are connected together through threads, after the separated sand phase reaches the sand discharging body 201, the sand phase is discharged from the sand discharging port 205 through the slope 204 of the sand phase, and the water phase separated from the inside and the outside is converged to the water phase outlet 203 and is injected into the cavity of the lower tubing coupling 202. A schematic of the disassembly of the sand removal unit and the lower tubing collar is shown in fig. 8, which is mainly composed of a sand removal body 201 and a lower tubing collar 202.
The device has compact design structure and reliable and stable operation. The three-phase mixed liquid can firstly realize the advanced separation of sand phase and partial aqueous phase medium through the three-phase separation unit, and then further water-sand separation is carried out in the separation cavity below. The residual water phase and the oil phase are converged in the annular cavity in the spiral flow channel, the oil phase enters the sedimentation separation cavity through the upper part of the liquid inlet, and the water phase enters the sedimentation separation cavity through the lower part of the liquid inlet, so that the effect of rotational flow reinforced gravity separation is achieved. The coalescing device coalesces the small oil phase liquid after sedimentation and separation into large liquid drops, so that the large liquid drops are convenient to lift for further treatment. The invention combines the rotational flow, sedimentation and coalescence technologies, realizes the efficient separation of oil-water sand three phases, has high working efficiency and good separation effect, is favorable for the sustainable development of oil fields, and has higher practicability.
The embodiments that have been described above are illustrative, not exhaustive, and not limited to the embodiments disclosed. Many modifications and variations will be apparent to those of ordinary skill in the art without departing from the scope and spirit of the various embodiments described. The terminology used herein was chosen in order to best explain the principles of the embodiments, the practical application, or to improve the technology in the marketplace, or to enable others of ordinary skill in the art to understand the embodiments disclosed herein.
Claims (6)
1. The utility model provides a whirl coalescence coupling separation module for annotating in production well with well, includes three-phase separation unit (1), its characterized in that:
the three-phase separation unit (1) comprises a shell (102), a spiral flow passage cone section (104), a spiral flow passage end cover (105), a spiral flow passage (106) and an overflow pipe (107), wherein the spiral flow passage cone section is arranged in the shell;
the inside and outside of the lower end of the spiral flow passage end cover (105) are respectively connected with the spiral flow passage (106) and the shell (102) through threads; the upper end of the shell (102) is provided with a feeding hole (103), the position of the feeding hole corresponds to the upper part of the spiral flow channel (106), and the lower end of the shell (102) is provided with threads for being connected with the sand discharge unit (201) through external threads;
the lower section of the spiral flow channel (106) is provided with a liquid inlet hole (109), and the bottom end of the spiral flow channel (106) is connected with the spiral flow channel cone section (104) through threads; the overflow pipe (107) is arranged in the spiral flow channel (106), and the upper section of the overflow pipe (107) is connected with the central cavity of the spiral flow channel end cover (105) through threads; the lower end of the overflow pipe (107) is threaded to achieve a threaded connection with the agglomerate (108).
2. A cyclone coalescing coupling separation module for use in a co-well injection and production well according to claim 1, wherein:
the three-phase separation unit further comprises a coalescence body (108), the coalescence body comprises at least two coalescence monomers consisting of a coalescence shell (1081) and a coalescence surface (1082), the top end of the coalescence shell (1081) is provided with a connecting thread, the coalescence surface (1082) is integrated with the coalescence shell in a protruding shape, and the center of the coalescence surface is hollowed out to form an oil drop ascending channel;
the coalescence monomers at the uppermost end are connected with the overflow pipe (107) through the threads of the coalescence shell (1081), and all the coalescence monomers are connected with each other through the coalescence shell (1081) so as to realize that separated small-particle-size oil drops contact and adhere to the coalescence surface (1082), are gathered into large oil drops at a central junction under the pushing action of fluid, and enter the overflow pipe (107) above to finish lifting of the oil phase.
3. A cyclone coalescing coupling separation module for use in a co-well injection and production well according to claim 2, wherein: the coalescing surface (1082) is in the shape of a flower with an edge configured in an S-curve.
4. A cyclone coalescing coupling separation module for use in a production well of a same well injection well as defined in claim 3, wherein:
the module further comprises a sand discharge unit (2), characterized in that:
the sand discharging unit (2) comprises a cylindrical sand discharging body (201) with a protruding outer edge, a hollow cavity of the sand discharging body is an aqueous phase outlet (203), a slope (204) is obliquely downwards arranged from the outer edge of the aqueous phase outlet and is used as a sand guiding channel, a longitudinal section is formed at the lowest position of the slope along the direction parallel to the central line of the sand discharging body, a notch is formed at the outer edge of the sand discharging body corresponding to the lowest end of the longitudinal section, and the notch is used as a sand discharging opening (205);
the sand discharging body (201) is connected with the shell (102) through external threads; the separated sand phase slides down the slope (204) to a sand discharge port (205) for discharge.
5. The utility model provides a whirl coalescence coupling separator for in same well injection production well which characterized in that: the cyclone coalescing coupling separation module of claim 4, and further comprising an upper tubing collar (101) and a lower tubing collar (202);
the upper oil pipe coupling (101) is connected with a spiral flow passage end cover (105) positioned below through threaded connection; the lower tubing coupling (202) is in threaded connection with the lower end of the sand discharging body (201); the separated aqueous phase enters the lower tubing collar (202) from the aqueous phase outlet (203).
6. A co-well injection and production process pipe column, characterized in that the process pipe column is connected into the cyclone coalescence coupling separation device for the co-well injection and production well according to claim 5.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310774175.7A CN116733440A (en) | 2023-06-28 | 2023-06-28 | Rotational flow coalescence coupling separation module, device and tubular column for same-well injection and production well |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310774175.7A CN116733440A (en) | 2023-06-28 | 2023-06-28 | Rotational flow coalescence coupling separation module, device and tubular column for same-well injection and production well |
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| Publication Number | Publication Date |
|---|---|
| CN116733440A true CN116733440A (en) | 2023-09-12 |
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|---|---|---|---|
| CN202310774175.7A Pending CN116733440A (en) | 2023-06-28 | 2023-06-28 | Rotational flow coalescence coupling separation module, device and tubular column for same-well injection and production well |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117942626A (en) * | 2024-03-22 | 2024-04-30 | 大庆师范学院 | Wellhead rotational flow gravity coupling multiphase medium efficient preseparation device |
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2023
- 2023-06-28 CN CN202310774175.7A patent/CN116733440A/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117942626A (en) * | 2024-03-22 | 2024-04-30 | 大庆师范学院 | Wellhead rotational flow gravity coupling multiphase medium efficient preseparation device |
| CN117942626B (en) * | 2024-03-22 | 2024-06-21 | 大庆师范学院 | Wellhead rotational flow gravity coupling multiphase medium efficient preseparation device |
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