CN111852435B - Sandstone reservoir engineering well pattern structure - Google Patents
Sandstone reservoir engineering well pattern structure Download PDFInfo
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- CN111852435B CN111852435B CN202010662622.6A CN202010662622A CN111852435B CN 111852435 B CN111852435 B CN 111852435B CN 202010662622 A CN202010662622 A CN 202010662622A CN 111852435 B CN111852435 B CN 111852435B
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 94
- 238000002347 injection Methods 0.000 claims abstract description 54
- 239000007924 injection Substances 0.000 claims abstract description 54
- 230000007246 mechanism Effects 0.000 claims abstract description 44
- 238000001914 filtration Methods 0.000 claims abstract description 33
- 238000004519 manufacturing process Methods 0.000 claims abstract description 20
- 239000002893 slag Substances 0.000 claims description 43
- 238000003756 stirring Methods 0.000 claims description 33
- 238000002156 mixing Methods 0.000 claims description 28
- 239000003129 oil well Substances 0.000 claims description 18
- 238000003860 storage Methods 0.000 claims description 15
- 238000004140 cleaning Methods 0.000 claims description 14
- 239000000463 material Substances 0.000 claims description 12
- 238000005086 pumping Methods 0.000 claims description 12
- 238000007599 discharging Methods 0.000 claims description 11
- 239000013049 sediment Substances 0.000 claims description 11
- 238000000926 separation method Methods 0.000 claims description 9
- 239000004576 sand Substances 0.000 claims description 8
- 238000007789 sealing Methods 0.000 claims description 3
- 230000000694 effects Effects 0.000 abstract description 14
- 239000003921 oil Substances 0.000 description 68
- 239000010779 crude oil Substances 0.000 description 24
- 239000012535 impurity Substances 0.000 description 14
- 238000011084 recovery Methods 0.000 description 13
- 230000000844 anti-bacterial effect Effects 0.000 description 8
- 239000003899 bactericide agent Substances 0.000 description 8
- 230000002070 germicidal effect Effects 0.000 description 7
- 235000017166 Bambusa arundinacea Nutrition 0.000 description 5
- 235000017491 Bambusa tulda Nutrition 0.000 description 5
- 241001330002 Bambuseae Species 0.000 description 5
- 235000015334 Phyllostachys viridis Nutrition 0.000 description 5
- 239000011425 bamboo Substances 0.000 description 5
- 238000000034 method Methods 0.000 description 4
- 239000012141 concentrate Substances 0.000 description 3
- 238000000605 extraction Methods 0.000 description 3
- 230000008569 process Effects 0.000 description 3
- 244000309464 bull Species 0.000 description 2
- 230000008859 change Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 239000003208 petroleum Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000010405 clearance mechanism Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 229910052500 inorganic mineral Inorganic materials 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000005304 joining Methods 0.000 description 1
- 239000011707 mineral Substances 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 239000011148 porous material Substances 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
- 230000001502 supplementing effect Effects 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
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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
- E21B43/30—Specific pattern of wells, e.g. optimising the spacing of wells
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/001—Processes for the treatment of water whereby the filtration technique is of importance
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/50—Treatment of water, waste water, or sewage by addition or application of a germicide or by oligodynamic treatment
-
- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10G—CRACKING HYDROCARBON OILS; PRODUCTION OF LIQUID HYDROCARBON MIXTURES, e.g. BY DESTRUCTIVE HYDROGENATION, OLIGOMERISATION, POLYMERISATION; RECOVERY OF HYDROCARBON OILS FROM OIL-SHALE, OIL-SAND, OR GASES; REFINING MIXTURES MAINLY CONSISTING OF HYDROCARBONS; REFORMING OF NAPHTHA; MINERAL WAXES
- C10G31/00—Refining of hydrocarbon oils, in the absence of hydrogen, by methods not otherwise provided for
- C10G31/09—Refining of hydrocarbon oils, in the absence of hydrogen, by methods not otherwise provided for by filtration
-
- 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
- E21B43/16—Enhanced recovery methods for obtaining hydrocarbons
- E21B43/20—Displacing by water
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2103/00—Nature of the water, waste water, sewage or sludge to be treated
- C02F2103/10—Nature of the water, waste water, sewage or sludge to be treated from quarries or from mining activities
-
- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10G—CRACKING HYDROCARBON OILS; PRODUCTION OF LIQUID HYDROCARBON MIXTURES, e.g. BY DESTRUCTIVE HYDROGENATION, OLIGOMERISATION, POLYMERISATION; RECOVERY OF HYDROCARBON OILS FROM OIL-SHALE, OIL-SAND, OR GASES; REFINING MIXTURES MAINLY CONSISTING OF HYDROCARBONS; REFORMING OF NAPHTHA; MINERAL WAXES
- C10G2300/00—Aspects relating to hydrocarbon processing covered by groups C10G1/00 - C10G99/00
- C10G2300/10—Feedstock materials
- C10G2300/1033—Oil well production fluids
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A20/00—Water conservation; Efficient water supply; Efficient water use
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- Engineering & Computer Science (AREA)
- Life Sciences & Earth Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Geology (AREA)
- Environmental & Geological Engineering (AREA)
- Mining & Mineral Resources (AREA)
- Organic Chemistry (AREA)
- Hydrology & Water Resources (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Water Supply & Treatment (AREA)
- Physics & Mathematics (AREA)
- Fluid Mechanics (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Chemical Kinetics & Catalysis (AREA)
- General Chemical & Material Sciences (AREA)
- Mixers Of The Rotary Stirring Type (AREA)
- Filtration Of Liquid (AREA)
Abstract
The invention discloses a sandstone oil reservoir well pattern structure, which comprises a water injection well and an oil production well, wherein the oil production well is arranged outside the water injection well, the bottom end of the water injection well is fixedly connected with a filtering mechanism, the filtering mechanism comprises a water outlet pipe, a filtering cylinder, a filtering cavity, a clamping groove, a clamping block and a filtering cylinder, the bottom end of the water injection well is fixedly connected with the filtering cylinder, the bottom position of one end of the filtering cylinder is fixedly connected with the water outlet pipe, and the filtering cavity is arranged in the filtering cylinder, the water is conveniently driven to rotate in the filter cylinder, and the filtering effect is improved.
Description
Technical Field
The invention relates to the technical field of sandstone reservoir engineering, in particular to a sandstone reservoir engineering well pattern structure.
Background
Petroleum, which is an important mineral resource, is very precious, and during the oil extraction process, the recovery of petroleum is usually divided into three stages: primary oil recovery, oil is produced by depending on the natural energy of the stratum, and the recovery ratio is below 30 percent; secondary oil recovery, wherein the oil is produced by supplementing the energy of an oil reservoir by adopting water injection and gas injection technologies, and the recovery ratio can be improved to 40-50%; the tertiary oil recovery, utilize physical chemistry and biology etc. to strengthen and exploit the surplus reserve volume, the recovery ratio can be improved to about 80-85%, at present, many oil fields have already entered the secondary oil recovery stage, and mostly adopt the way of water displacement of oil to improve the recovery ratio, inject water into the stratum through the water injection well, displace crude oil, while adopting this method to carry on oil recovery, the well pattern disposition of the oil recovery well and water injection well is directly related to the exploitation rate and exploitation degree of crude oil, so the well position disposition of the oil recovery well and water injection well is vital in the oil recovery.
However, when the existing water injection well injects water into an oil layer, the injected water is not filtered, so that impurities in the water can easily enter crude oil in the stratum, thereby causing pollution to the crude oil and influencing the quality of the produced crude oil.
Disclosure of Invention
The invention provides a sandstone oil reservoir engineering well pattern structure which can effectively solve the problem that when a water injection well provided in the background technology injects water into an oil layer, injected water is not filtered, so that impurities in the injected water enter crude oil in a stratum, and the quality of the crude oil is influenced.
In order to achieve the purpose, the invention provides the following technical scheme:
a sandstone reservoir engineering well pattern structure comprises a water injection well and a production well, wherein the production well is arranged outside the water injection well, the bottom end of the water injection well is fixedly connected with a filtering mechanism, and the filtering mechanism comprises a water outlet pipe, a filtering cylinder, a filtering cavity, a clamping groove, a clamping block and a filtering cylinder;
the bottom end of the water injection well is fixedly connected with a filter cartridge, the bottom position of one end of the filter cartridge is fixedly connected with a water outlet pipe, a filter cavity is formed in the filter cartridge, clamping grooves are symmetrically formed in the inner wall of the filter cavity, clamping blocks are clamped in the two clamping grooves, and the adjacent ends of the two clamping blocks are fixedly connected with the filter cartridge;
the inside of the filter cylinder is rotatably connected with a cleaning mechanism;
and the top end of the water injection well is fixedly connected with a feeding mechanism.
Preferably, the diameter of the filter cartridge is larger than that of the water injection well, the diameter of the inner wall of the filter cartridge is equal to that of the inner wall of the water injection well, spiral grooves are uniformly formed in the inner wall of the filter cartridge, and the water outlet pipe is obliquely arranged.
Preferably, the cleaning mechanism comprises a connecting rod, a lower rotary vane, a conveying auger, a filtering hole, a mixing drum, an upper rotary vane, a slag discharge port and a cover plate;
the central position inside the filter cylinder is rotatably connected with a connecting rod, the top end of the connecting rod penetrates through the top end of the filter cylinder, the outer end of the connecting rod is fixedly connected with a lower rotary vane corresponding to the bottom position of the filter cylinder, the outer end of the connecting rod is fixedly connected with a conveying auger corresponding to the position inside the water injection well, and filter holes are uniformly formed in the top end of the conveying auger;
the water injection well top fixedly connected with mixing drum, the connecting rod outer end corresponds mixing drum inside position department fixedly connected with upper rotating vane, mixing drum outer end middle part position department fixedly connected with slag discharging port, the inside joint of slag discharging port has the apron.
Preferably, the outer end of the conveying auger is respectively attached to the inner wall of the water injection well and the inner wall of the filter cylinder, and sealing rubber is filled at the joint of the cover plate and the slag discharge port.
Preferably, the feeding mechanism comprises a feeding pipe, a charging barrel, a feeding hole, a notch, a material baffle plate, a rotating rod, a rotating disc, a rotating shaft and a feeding plate;
the top end of the mixing cylinder is fixedly connected with a feeding pipe, the top end of the feeding pipe is fixedly connected with a charging cylinder, the bottom end of the charging cylinder is provided with a feeding hole, the inner wall of the feeding hole is provided with a notch, the notch is rotatably connected with a material baffle, the top end of the charging cylinder corresponding to the position of the material baffle is rotatably connected with a rotating rod, and a rotating disc is cast at the top end of the rotating rod;
the feed cylinder bottom corresponds inlet pipe internal position department and rotates and is connected with the pivot, pivot outer end corresponds inlet pipe internal position department fixedly connected with delivery sheet.
Preferably, the rotating rod penetrates through the charging barrel and is fixedly connected with the material baffle, the material baffle is an arc-shaped plate, and the bottom end of the rotating shaft is fixedly connected with the top end of the connecting rod.
Preferably, the top end of the oil production well is fixedly connected with a sand removing mechanism, and the sand removing mechanism comprises an oil pumping pipe, a separating cylinder, an oil outlet pipe, an oil well pump, a stirring rod, a stirring blade, a fixed seat, a filter cylinder and a fixed plate;
the oil extraction well top end fixedly connected with takes out oil pipe, take out oil pipe other end fixedly connected with knockout drum, knockout drum top end fixedly connected with oil pipe, the outer end fixedly connected with oil-well pump of oil pipe, and the input of oil-well pump and external power source's output electric connection, oil-well pump output shaft has the puddler, the puddler outer end corresponds knockout drum internal position department fixedly connected with stirring leaf, the knockout drum top corresponds stirring leaf outside position department fixedly connected with fixing base, the fixing base bottom fixedly connected with strains a section of thick bamboo, strain a section of thick bamboo bottom fixedly connected with fixed plate, and the fixed plate runs through the knockout drum bottom.
Preferably, the bottom end of the stirring rod is rotatably connected with the fixed plate, and the diameter of the inner wall of the fixed seat is greater than the length of the stirring blade.
Preferably, a slag discharging mechanism is fixedly connected inside the filter cylinder, and comprises a baffle plate, a discharge channel, a slag discharging plate, a slag storage chamber, a plug cover and a rotating handle;
the utility model discloses a separator, including a separator, a set of filter section of thick bamboo, fixed plate outer end top position department fixedly connected with baffle, discharge passage has been seted up to the baffle top and keeps away from a side position department of straining a section of thick bamboo, the inside fixedly connected with scum board that corresponds baffle bottom position department of separator, the sediment cavity that stores up has been seted up to the fixed plate inside, there is the gag in the sediment cavity inside through threaded connection, gag bottom fixedly connected with changes the handle.
Preferably, the storage slag cavity is communicated with the inside of the discharge channel, the supporting plates are fixedly connected to the top ends of the storage slag cavity at equal intervals, and the storage slag cavity penetrates through the bottom end of the fixing plate.
Compared with the prior art, the invention has the beneficial effects that: the invention has scientific and reasonable structure and safe and convenient use:
1. set up filter mechanism, with the inlet tube cooperation, carry water, filter water through the cartridge filter simultaneously, concentrate the impurity storage in aquatic inside straining a section of thick bamboo, avoid the impurity of aquatic to get into the stratum, influence the quality of crude oil in the stratum, in addition, the slope through the outlet pipe sets up, make the outlet pipe form the tangential force in the inside tangential force of cartridge filter when pumping water, the helicla flute through the cartridge filter inner wall simultaneously, the rotation efficiency of tangential force is improved, conveniently drive water and rotate in the cartridge filter inside, improve filterable effect, thereby improve quality of water, avoid the impurity of aquatic to get into the oil reservoir, influence the inside oil quality of oil reservoir, the quality of exploitation oil reservoir has been improved.
2. The clearance mechanism has been set up, when water is taken out from the cartridge filter inside, the tangential force of production, promote down the rotor and rotate, thereby make down the rotor drive the connecting rod and rotate, it is rotatory to make the connecting rod drive the transport auger, and the cooperation through the filtration pore, with the impurity of aquatic, inside the even transport mixing drum, through opening the apron, conveniently clear up the impurity of mixing drum inside, clear up through the remaining residue to the water injection well inside, the effect of clearing up is improved, avoid the residue to get into the oil reservoir and influence oil, the availability factor of the water energy has been improved simultaneously, the energy has been saved, stir germicide through the mixing drum convenience simultaneously, the effect of germicide and water mixture is improved.
3. The feed mechanism has been set up, concentrate the germicide through the feed cylinder and deposit, through rotating the carousel, it is rotatory to make the carousel drive the bull stick, thereby drive the striker plate through the bull stick and rotate, be convenient for remove stopping to germicide, the convenience is to the inside germicide that adds of water injection well, this connecting rod rotates and drives the pivot rotation, it rotates to make the pivot drive the delivery sheet, inside the even joining mixing drum of germicide, make water and germicide homogeneous mixing inside the mixing drum, the effect of clearance has been improved, the inside clean and tidy of water injection well has been guaranteed, avoid impurity to get into the oil reservoir, influence oil quality.
4. The sand removing mechanism is arranged, suction is generated through rotation of the oil well pump, the oil pumping pipe is matched, crude oil is pumped out from the inside of the oil well and sent into the separation cylinder, meanwhile, the stirring rod is driven to rotate in the rotating process of the oil well pump, the stirring rod drives the stirring blade to rotate, crude oil is driven to rotate, centrifugal force is generated inside the separation cylinder, filtering is performed through the filter cylinder, gravel in the crude oil is filtered outside the filter cylinder, gravel in the crude oil is further reduced, and the oil quality of the crude oil is improved.
5. Set up slag extractor and construct, sent into escape way with the gravel through the baffle to guide the gravel through the scum board, make the gravel get into the sediment cavity through escape way inside, concentrate to store, avoid the gravel to remain in the cylinder inside, improved filterable effect, increase the quality of crude oil exploitation, through changeing the sediment cavity that stores up with the stopper lid in addition, and then conveniently clear up the inside gravel of sediment cavity.
In conclusion, when the water injection well injects water into the oil layer to increase the pressure of the oil layer and improve the oil outlet efficiency of the oil production well, the injected water is filtered by the filtering mechanism, so that impurities in the water are prevented from entering the oil layer to influence the oil quality, the quality of exploitation is ensured, in addition, when the water injection well is cleaned, the use efficiency of water resources is improved by the cleaning mechanism, the impurities remained on the inner wall of the water injection well are cleaned, the cleaning effect is improved, meanwhile, the material feeding mechanism is further driven by hydrodynamic force, the bactericide is fed into the water injection well together with cleaning water through the material feeding mechanism, and the cleaning effect is enhanced,
through removing yarn mechanism and filtering the crude oil of producing, reduce the gravel in the crude oil, improve the quality of producing crude oil, through slag extractor constructs simultaneously, clear up the gravel of separation to guarantee subsequent filter effect, and then guarantee the effect of device to the crude oil exploitation, satisfy the demand.
Drawings
The accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the principles of the invention and not to limit the invention. In the drawings:
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic view of the mounting structure of the filter cartridge of the present invention;
FIG. 3 is a schematic view of the mounting structure of the filter cartridge of the present invention;
FIG. 4 is a schematic view of the mounting structure of the upper rotary vane of the present invention;
FIG. 5 is a schematic structural diagram of the area A in FIG. 4 according to the present invention;
FIG. 6 is a schematic view of the installation structure of the oil suction pipe of the present invention;
FIG. 7 is a schematic view of the mounting structure of the filter cartridge of the present invention;
fig. 8 is a schematic view of the mounting structure of the plugboard of the invention.
Reference numbers in the figures: 1. a water injection well; 2. an oil production well;
3. a filtering mechanism; 301. a water outlet pipe; 302. a filter cartridge; 304. a filtration chamber; 305. a card slot; 306. a clamping block; 307. a filter cartridge;
4. a cleaning mechanism; 401. a connecting rod; 402. a lower rotary leaf; 403. conveying the auger; 404. filtering holes; 405. a mixing drum; 406. upper rotary leaves; 407. a slag discharge port; 408. a cover plate;
5. a feeding mechanism; 501. a feed pipe; 502. a charging barrel; 503. a feed inlet; 504. a notch; 505. a striker plate; 506. a rotating rod; 507. a turntable; 508. a rotating shaft; 509. a feeding plate;
6. a sand removal mechanism; 601. an oil pumping pipe; 602. a separation cylinder; 603. an oil outlet pipe; 604. an oil well pump; 605. a stirring rod; 606. stirring blades; 607. a fixed seat; 608. a filter cartridge; 609. a fixing plate;
7. a slag discharge mechanism; 701. a baffle plate; 702. a discharge passage; 703. a slag discharge plate; 704. a slag storage chamber; 705. a plug cover; 706. and (4) turning the handle.
Detailed Description
The preferred embodiments of the present invention will be described in conjunction with the accompanying drawings, and it will be understood that they are described herein for the purpose of illustration and explanation and not limitation.
Example (b): as shown in fig. 1-8, the invention provides a technical solution, which is a sandstone oil reservoir engineering well pattern structure, and includes a water injection well 1 and a production well 2, wherein the production well 2 is arranged outside the water injection well 1, the bottom end of the water injection well 1 is fixedly connected with a filtering mechanism 3, and the filtering mechanism 3 includes a water outlet pipe 301, a filter cartridge 302, a filter chamber 304, a clamping groove 305, a clamping block 306 and a filter cartridge 307;
the bottom end of the water injection well 1 is fixedly connected with a filter cartridge 302, the bottom of one end of the filter cartridge 302 is fixedly connected with a water outlet pipe 301, a filter chamber 304 is formed in the filter cartridge 302, clamping grooves 305 are symmetrically formed in the inner wall of the filter chamber 304, clamping blocks 306 are clamped in the two clamping grooves 305, one ends of the two clamping blocks 306 adjacent to each other are fixedly connected with a filter cartridge 307, water is conveniently filtered, the diameter of the filter cartridge 302 is larger than that of the water injection well 1, the diameter of the inner wall of the filter cartridge 307 is equal to that of the inner wall of the water injection well 1, spiral grooves are uniformly formed in the inner wall of the filter cartridge 302, and the water outlet pipe 301 is obliquely arranged;
the inside of the filter cartridge 302 is rotatably connected with a cleaning mechanism 4;
the top end of the water injection well 1 is fixedly connected with a feeding mechanism 5;
the cleaning mechanism 4 comprises a connecting rod 401, a lower rotary vane 402, a conveying auger 403, a filtering hole 404, a mixing drum 405, an upper rotary vane 406, a slag discharge port 407 and a cover plate 408;
a connecting rod 401 is rotatably connected to the center position inside the filter cylinder 302, the top end of the connecting rod 401 penetrates through the top end of the filter cylinder 302, a lower rotary vane 402 is fixedly connected to the position, corresponding to the bottom of the filter cylinder 307, of the outer end of the connecting rod 401, a conveying auger 403 is fixedly connected to the position, corresponding to the position inside the water injection well 1, of the outer end of the connecting rod 401, a filter hole 404 is uniformly formed in the top end of the conveying auger 403, a mixing cylinder 405 is fixedly connected to the top end of the water injection well 1, an upper rotary vane 406 is fixedly connected to the position, corresponding to the position inside the mixing cylinder 405, of the outer end of the mixing cylinder 405, a slag discharge port 407 is fixedly connected to the middle position of the outer end of the mixing cylinder 405, a cover plate 408 is clamped inside the slag discharge port 407, for conveniently cleaning impurities, the outer end of the conveying auger 403 is respectively attached to the inner wall of the water injection well 1 and the inner wall of the filter cylinder 307, and sealing rubber is filled at the connection position of the cover plate 408 and the slag discharge port 407;
the feeding mechanism 5 comprises a feeding pipe 501, a barrel 502, a feeding hole 503, a notch 504, a striker plate 505, a rotating rod 506, a rotating disc 507, a rotating shaft 508 and a feeding plate 509;
the top end of the mixing barrel 405 is fixedly connected with a feeding pipe 501, the top end of the feeding pipe 501 is fixedly connected with a charging barrel 502, the bottom end of the charging barrel 502 is provided with a feeding hole 503, the inner wall of the feeding hole 503 is provided with a notch 504, the notch 504 is internally and rotatably connected with a baffle plate 505, the top end of the charging barrel 502 is rotatably connected with a rotating rod 506 corresponding to the baffle plate 505, the top end of the rotating rod 506 is cast with a rotating disc 507, the bottom end of the charging barrel 502 is rotatably connected with a rotating shaft 508 corresponding to the internal position of the feeding pipe 501, the outer end of the rotating shaft 508 is fixedly connected with a feeding plate 509 corresponding to the internal position of the feeding pipe 501, for feeding convenience, the rotating rod 506 penetrates through the charging barrel 502 and is fixedly connected with the baffle plate 505, the baffle plate 505 is an arc-shaped plate, and the bottom end of the rotating shaft 508 is fixedly connected with the top end of a connecting rod 401;
the top end of the oil production well 2 is fixedly connected with a sand removing mechanism 6, and the sand removing mechanism 6 comprises an oil pumping pipe 601, a separating cylinder 602, an oil outlet pipe 603, an oil well pump 604, a stirring rod 605, a stirring blade 606, a fixed seat 607, a filter cylinder 608 and a fixed plate 609;
an oil pumping pipe 601 is fixedly connected to the top end of the oil production well 2, a separating cylinder 602 is fixedly connected to the other end of the oil pumping pipe 601, an oil outlet pipe 603 is fixedly connected to the top end of the separating cylinder 602, an oil well pump 604 is fixedly connected to the outer end of the oil outlet pipe 603, the input end of the oil well pump 604 is electrically connected to the output end of an external power supply, an output shaft of the oil well pump 604 is connected to a stirring rod 605, a stirring blade 606 is fixedly connected to the outer end of the stirring rod 605 corresponding to the inner position of the separating cylinder 602, a fixing seat 607 is fixedly connected to the outer side of the stirring blade 606 at the top end of the separating cylinder 602, in order to facilitate the rotation of the stirring rod 605, the bottom end of the stirring rod 605 is rotatably connected to a fixing plate 609, the diameter of the inner wall of the fixing seat 607 is greater than the length of the stirring blade 606, a filter cartridge 608 is fixedly connected to the bottom end of the fixing seat 607, a fixing plate 609 is fixedly connected to the bottom end of the filter cartridge 608, and the fixing plate 609 penetrates through the bottom end of the separating cylinder 602;
a slag discharging mechanism 7 is fixedly connected inside the filter cylinder 608, and the slag discharging mechanism 7 comprises a baffle plate 701, a discharge channel 702, a slag discharging plate 703, a slag storage chamber 704, a plug cover 705 and a rotating handle 706;
the top of the outer end of the fixing plate 609 is fixedly connected with a baffle 701, a discharge channel 702 is formed in the position, far away from the filter cylinder 608, of the top of the baffle 701, a slag discharge plate 703 is fixedly connected to the position, corresponding to the bottom of the baffle 701, inside the separation cylinder 602, a slag storage chamber 704 is formed inside the fixing plate 609, in order to guarantee stability of the filter cylinder 608, the slag storage chamber 704 is communicated with the inside of the discharge channel 702, a support plate is fixedly connected to the top of the slag storage chamber 704 at equal intervals, the slag storage chamber 704 penetrates through the bottom of the fixing plate 609, a plug cover 705 is connected to the inside of the slag storage chamber 704 through threads, and a rotating handle 706 is fixedly connected to the bottom of the plug cover 705.
The working principle and the using process of the invention are as follows: in the process of using a sandstone reservoir engineering well pattern structure, a plurality of oil production wells 2 are distributed on the outer sides of the water injection wells 1, so that each oil production well 2 can receive water injection of the plurality of water injection wells 1, the pressure in an oil layer is improved, and the oil extraction efficiency of the oil production wells 2 is improved; the lower rotary vane 402 is pushed to rotate by tangential force generated by the water outlet pipe 301 when water is pumped, so that hydrodynamic force is reasonably utilized, water drives the connecting rod 401 to rotate through the lower rotary vane 402, the connecting rod 401 drives the conveying auger 403 to rotate, impurities in the water injection well 1 are further filtered, the impurities are conveyed into the mixing drum 405 through the conveying auger 403, the impurities stored in the mixing drum 405 are conveniently discharged from the slag discharge port 407 by opening the cover plate 408, in addition, the upper rotary vane 406 is driven to rotate while the connecting rod 401 rotates, the added bactericide is conveniently stirred by the upper rotary vane 406, the bactericide and the water are fully mixed, and the cleaning effect is improved;
by rotating the rotary disc 507, the rotary shaft 502 drives the rotary rod 506 to rotate, so that the rotary rod 506 drives the baffle plate 505 to rotate, the baffle plate 505 is rotated into the notch 504, the blockage of the bactericide is removed, the bactericide is conveniently fed into the feeding pipe 501, meanwhile, the rotary shaft 508 is driven to rotate through the connecting rod 401, the rotary shaft 598 drives the conveying auger 509 to rotate, the bactericide is uniformly added into the mixing cylinder 405, the bactericide is mixed in the mixing cylinder 405, the cleaning effect is further improved, in addition, when the rotary disc 507 is not used, the rotary disc 507 drives the baffle plate 505 to rotate through the rotary rod 506, the baffle plate 505 is rotated out of the notch 504, the feeding hole 503 is sealed, the bactericide is prevented from falling into the mixing cylinder 405, and waste is avoided;
after the water injection well 1 injects water into an oil layer, crude oil is sucked from the inside of the oil layer through the oil production well 2, meanwhile, the crude oil enters the separation cylinder 602 from the oil pumping pipe 601 for filtering through the oil well pump 604 and the oil pumping effect, in addition, when the oil well pump 604 rotates, the stirring rod 605 is driven to rotate, the stirring rod 605 drives the stirring blade 606 to rotate, so that the crude oil rotates in the separation cylinder 602 to generate centrifugal force, meanwhile, round oil is filtered through the filter cylinder 608, gravel and oil in the crude oil are separated, and then the crude oil is sent out through the oil outlet pipe 603, gravel in the crude oil is reduced, and the quality of exploitation is improved;
it is rotatory through stirring leaf 606 and puddler 605, make oil and grit separation, make simultaneously through baffle 701 make the grit that sinks the bottom move inside discharge passage 702 along baffle 701, and guide the grit through scum board 703, store up sediment cavity 704 with the grit discharge, avoid the grit to pile up inside knockout drum 602, influence follow-up filterable effect, in addition change 706 through rotating, it is rotatory to drive cock lid 705, and then change cock lid 705 out and store up sediment cavity 704, conveniently clear up the grit from storing up sediment cavity 704 inside.
Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that changes may be made in the embodiments and/or equivalents thereof without departing from the spirit and scope of the invention. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (9)
1. The utility model provides a sandstone reservoir engineering well pattern structure, includes water injection well (1) and oil production well (2), its characterized in that: the water injection wells (1) are distributed on the periphery of the corresponding oil production well (2), and the bottom ends of the water injection wells (1) are fixedly connected with a filtering mechanism (3);
the filtering mechanism (3) comprises a water outlet pipe (301), a filtering cylinder (302), a filtering chamber (304), a clamping groove (305), a clamping block (306) and a first filtering cylinder (307);
the bottom end of the water injection well (1) is fixedly connected with a filter cylinder (302), the bottom of one end of the filter cylinder (302) is fixedly connected with a water outlet pipe (301), a filter chamber (304) is formed in the filter cylinder (302), clamping grooves (305) are symmetrically formed in the inner wall of the filter chamber (304), clamping blocks (306) are clamped in the two clamping grooves (305), and the adjacent ends of the two clamping blocks (306) are fixedly connected with a first filter cylinder (307);
the inside of the filter cylinder (302) is rotatably connected with a cleaning mechanism (4); the cleaning mechanism (4) comprises a connecting rod (401), a lower rotary vane (402), a conveying auger (403), a filtering hole (404), a mixing cylinder (405), an upper rotary vane (406), a slag discharge port (407) and a cover plate (408);
a connecting rod (401) is rotatably connected to the center position inside the filter cylinder (302), the top end of the connecting rod (401) penetrates through the top end of the filter cylinder (302), a lower rotary vane (402) is fixedly connected to the position, corresponding to the bottom of the first filter cylinder (307), of the outer end of the connecting rod (401), a conveying auger (403) is fixedly connected to the position, corresponding to the inside of the water injection well (1), of the outer end of the connecting rod (401), and filter holes (404) are uniformly formed in the top end of the conveying auger (403);
the top end of the water injection well (1) is fixedly connected with a mixing barrel (405), the outer end of the connecting rod (401) is fixedly connected with an upper rotary vane (406) corresponding to the inner position of the mixing barrel (405), the middle position of the outer end of the mixing barrel (405) is fixedly connected with a slag discharge port (407), and a cover plate (408) is clamped inside the slag discharge port (407);
the top end of the water injection well (1) is fixedly connected with a feeding mechanism (5).
2. The sandstone reservoir engineering well pattern structure of claim 1, wherein: the diameter of the filter cylinder (302) is larger than that of the water injection well (1), the diameter of the inner wall of the first filter cylinder (307) is equal to that of the inner wall of the water injection well (1), spiral grooves are uniformly formed in the inner wall of the filter cylinder (302), and the water outlet pipe (301) is obliquely arranged.
3. The sandstone reservoir engineering well pattern structure of claim 1, wherein: the outer end of the conveying auger (403) is respectively attached to the inner wall of the water injection well (1) and the inner wall of the first filter cylinder (307), and sealing rubber is filled at the joint of the cover plate (408) and the slag discharge port (407).
4. The sandstone reservoir engineering well pattern structure of claim 1, wherein: the feeding mechanism (5) comprises a feeding pipe (501), a charging barrel (502), a feeding hole (503), a notch (504), a material baffle plate (505), a rotating rod (506), a rotating disc (507), a rotating shaft (508) and a feeding plate (509);
the top end of the mixing barrel (405) is fixedly connected with a feeding pipe (501), the top end of the feeding pipe (501) is fixedly connected with a charging barrel (502), the bottom end of the charging barrel (502) is provided with a feeding hole (503), the inner wall of the feeding hole (503) is provided with a notch (504), the notch (504) is internally and rotatably connected with a material baffle plate (505), the top end of the charging barrel (502) is rotatably connected with a rotating rod (506) at a position corresponding to the material baffle plate (505), and the top end of the rotating rod (506) is cast with a rotating disc (507);
the feed cylinder (502) bottom corresponds feed pipe (501) internal position department and rotates and is connected with pivot (508), pivot (508) outer end corresponds feed pipe (501) internal position department fixedly connected with delivery sheet (509).
5. The sandstone reservoir engineering well pattern structure of claim 4, wherein: the rotating rod (506) penetrates through the charging barrel (502) and is fixedly connected with the material baffle plate (505), the material baffle plate (505) is an arc-shaped plate, and the bottom end of the rotating shaft (508) is fixedly connected with the top end of the connecting rod (401).
6. The sandstone reservoir engineering well pattern structure of claim 1, wherein: the top end of the oil production well (2) is fixedly connected with a sand removing mechanism (6), and the sand removing mechanism (6) comprises an oil pumping pipe (601), a separating cylinder (602), an oil outlet pipe (603), an oil well pump (604), a stirring rod (605), a stirring blade (606), a fixed seat (607), a second filter cylinder (608) and a fixed plate (609);
the top end of the oil production well (2) is fixedly connected with an oil pumping pipe (601), the other end of the oil pumping pipe (601) is fixedly connected with a separating cylinder (602), the top end of the separating cylinder (602) is fixedly connected with an oil outlet pipe (603), the outer end of the oil outlet pipe (603) is fixedly connected with an oil well pump (604), the input end of the oil well pump (604) is electrically connected with the output end of an external power supply, the output shaft of the oil well pump (604) is connected with a stirring rod (605), the outer end of the stirring rod (605) is fixedly connected with a stirring blade (606) corresponding to the inner position of the separation cylinder (602), the top end of the separating cylinder (602) is fixedly connected with a fixed seat (607) corresponding to the outer side position of the stirring blade (606), the bottom end of the fixed seat (607) is fixedly connected with a second filter cylinder (608), the bottom end of the second filter cylinder (608) is fixedly connected with a fixing plate (609), and the fixing plate (609) penetrates through the bottom end of the separating cylinder (602).
7. The sandstone reservoir engineering well pattern structure of claim 6, wherein: the bottom end of the stirring rod (605) is rotatably connected with the fixing plate (609), and the diameter of the inner wall of the fixing seat (607) is larger than the length of the stirring blade (606).
8. The sandstone reservoir engineering well pattern structure of claim 6, wherein: a slag discharging mechanism (7) is fixedly connected inside the second filter cylinder (608), and the slag discharging mechanism (7) comprises a baffle plate (701), a discharge channel (702), a slag discharging plate (703), a slag storage chamber (704), a plug cover (705) and a rotating handle (706);
the utility model discloses a slag separator, including fixed plate (609), baffle (701), discharge channel (702) have been seted up to baffle (701) top position fixedly connected with in the outer end top of fixed plate (609), the inside slag discharging plate (703) that corresponds baffle (701) bottom position department fixedly connected with of separating drum (602), slag storage cavity (704) have been seted up to fixed plate (609) inside, there is gag (705) inside through threaded connection in slag storage cavity (704), gag (705) bottom fixedly connected with changes handle (706).
9. The sandstone reservoir engineering well pattern structure of claim 8, wherein: store up sediment cavity (704) and inside intercommunication of discharge passage (702), store up sediment cavity (704) top equidistance fixedly connected with backup pad, store up sediment cavity (704) and run through fixed plate (609) bottom.
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| CN104129836A (en) * | 2014-07-10 | 2014-11-05 | 陆威延 | Oil-water well stratigraphic reservoir water-injection decontamination filtering self-cleaning device |
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