CN204804795U - Energy -conserving water injection supercharging equipment of two effects of oil well - Google Patents

Energy -conserving water injection supercharging equipment of two effects of oil well Download PDF

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Publication number
CN204804795U
CN204804795U CN201520334071.5U CN201520334071U CN204804795U CN 204804795 U CN204804795 U CN 204804795U CN 201520334071 U CN201520334071 U CN 201520334071U CN 204804795 U CN204804795 U CN 204804795U
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China
Prior art keywords
end cap
plunger
runner
piston rod
valve
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Expired - Fee Related
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CN201520334071.5U
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Chinese (zh)
Inventor
赵军友
傅建伟
李天长
赵路豪
刘祥猛
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China University of Petroleum East China
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China University of Petroleum East China
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Abstract

The utility model provides an energy -conserving water injection supercharging equipment of two effects of oil well for solve oil -field flooding insufficient pressure and the big problem of water injection equipment energy consumption. The device includes: double action plunger booster pump, mechanical commutate valve, cartridge filter, connection manifold and valve unit, the utility model discloses come water as power with the main line, go in the high pressure well mouth that reinjects after the pressure boost of double action plunger booster pump, through the mechanical direction of motion that commutates valve control piston and plunger, with the inside liquid stream switching -over of realization equipment, the cartridge filter can carry out effective filtration to water injection main line liquid stream, the cartridge filter has backwash function, reduce the filter core and change the frequency, the operation is thus simple, an oil well high -pressure water injection difficult problem has been solved to this equipment, improve injection pressure, improve oil reservoir displacement of reservoir oil effect, this equipment need not plus high -power power equipment, just can solve the difficult and too big problem of energy consumption of high -pressure well water injection effectively on original water injection pipe network basis.

Description

The energy-conservation water filling supercharging equipment of oil well double acting
Technical field
The utility model provides the energy-conservation water filling supercharging equipment of a kind of oil well double acting, for solving oil-field flooding insufficient pressure and the excessive problem of water injection equipment energy consumption.
Background technology
Along with the development of China's oil cause, the exploitation dynamics in oil field continues to increase, many oil fields are after input exploitation, due to the prolongation of recovery time and the change of Correlative Influence Factors, just there will be oilfield exploitation later stage oil well and occur the phenomenon that stop-spraying and residual dead oil cannot be exploited, cause the crude quality of oilfield exploitation to decline.China's major part oil field adopts oil-bearing stratum flooding to keep or moderately to improve formation pressure, and the underground of causing after making up crude oil extraction is in debt, realizes stable yields and the high yield of crude oil, promotes the Suitable development in oil field.Different oil fields, injection pressure required by different mined beds are different, according to unified injection pipe network pressure, under the prerequisite of satisfied most of Injection Well injection allocation pressure, but can not meet indivedual high-pressure water injection well requirement; If improve whole ductwork pressure, then need to increase reducing valve at low pressure water injection well head, so just cause the waste of the energy.At present, on-the-spot plunger displacement pump or the centrifugal pump of mostly adopting of oil-field flooding carries out augmented injection to high-pressure well mouth, but this type of water injection equipment cost is high, and power consumption is large, and water-injection efficiency is low.
For solving the problem that the on-the-spot high-pressure well mouth water injection pressure of oil-field flooding is low and energy consumption is excessive, develop the energy-conservation water filling supercharging equipment of oil well double acting, its structure is simple, safe and reliable, without the need to additional high power plant, overall skid-mounted block formula is installed, convenient transport and onsite application.
Utility model content
For solving the problem that the on-the-spot high-pressure well mouth water injection pressure of oil-field flooding is low and energy consumption is excessive, the utility model provides the energy-conservation water filling supercharging equipment of a kind of oil well double acting, by main line water as power, reinject after the supercharging of double-action plunger booster pump in high-pressure well mouth and go, by the direction of motion of mechanical commutation valve control piston and plunger, to realize the liquid stream commutation of device interior, cartridge filter effectively can filter water filling main line liquid stream, cartridge filter has backwashing function, reduce filter element replacing frequency, simple to operate.This equipment solves an oil well high-tension water filling difficult problem, improves injection pressure, improves oil reservoir oil displacement efficiency.
The technical solution of the utility model is: the energy-conservation water filling supercharging equipment of a kind of oil well double acting, comprise mechanical commutation valve, double-action plunger booster pump, cartridge filter, connect manifold and control valve group, water filling main line is connected with the entrance of cartridge filter, in described double-action plunger booster pump, the feed flow runner of plunger case exports with cartridge filter discharge opeing respectively with the feed liquor port of described mechanical commutation valve and is connected, the bleed port of described mechanical commutation valve is connected with low pressure return manifold, in described double-action plunger booster pump, the discharge opeing runner of plunger case is connected with high-pressure well mouth waterflood-transmission line through accumulator, feed flow runner in described mechanical commutation valve is connected with the feed flow runner of piston rod in double-action plunger booster pump, the liquid runner that returns in described mechanical commutation valve is connected with the discharge opeing runner of piston rod in double-action plunger booster pump.
Described mechanical commutation valve is made up of end cap one, spool, end cap two, stepper motor, bearing, power transmission shaft, valve body, combined seal ring and end cap three, described spool welds with power transmission shaft, described power transmission shaft is connected by shaft coupling with stepper motor, described spool is equipped with combined seal ring, the input of described power transmission shaft and output bearing set, bearing is contained in end cap two and end-cover axle bearing bore seat, described end cap one, end cap two and end cap three and valve body are bolted, and described valve body have feed liquor port, bleed port, feed flow runner and return liquid runner.
Described double-action plunger booster pump is by plunger case end cap one, plunger case, plunger, plunger case end cap two, clip, piston rod end cap, piston rod, piston, piston rod, position sensor, gland, O RunddichtringO, one way valve, support ring, black box and accumulator composition, described plunger case end cap one and plunger case end cap two are bolted with plunger case respectively, described piston rod end cap and piston rod are bolted, booster pump support steel plate is equipped with position sensor, described position sensor is connected by electric wire with stepper motor, in all end caps, O RunddichtringO is all housed, described plunger case end cap two is built with black box, by gland, it is compressed, described gland and plunger case end cap two are threaded, described plunger is connected by clip with piston rod, O RunddichtringO and support ring described piston be equipped with, piston rod has two feed flow runners and two discharge opeing runners, two plunger cases have a feed flow runner and a discharge opeing runner, described discharge opeing runner is connected with accumulator, the runner mouth of described plunger case is built with one way valve.
Described cartridge filter is by gripper shoe one, gate valve, urceolus, filter core, gripper shoe two, nut, sealing ring and blind plate composition, described blind plate has water filling main line entrance, described urceolus has backwash entrance, waste and discharge opeing outlet, each mouth is all equipped with gate valve, described urceolus right-hand member has sealed groove, and sealing ring is housed, described blind plate welds with urceolus, described nut is threaded with urceolus, described gripper shoe one and gripper shoe two are welded with outer tube inner wall respectively, described filter core is sleeved in urceolus, fixed by blind plate and nut compressing, by gripper shoe one and gripper shoe two pairs of cartridge support and righting.
The beneficial effects of the utility model are: oil well double acting energy-conservation water filling supercharging equipment structure is simple, controllability is strong, changement is safe and reliable, filter mechanism has backwashing function, reduce the filter element replacing cycle, this equipment, without the need to additional high power plant, original injection pipe network basis just can solve the water filling of high pressure well is difficult and energy consumption is excessive problem effectively.
Accompanying drawing explanation
Fig. 1: the overall plan figure of the energy-conservation water filling supercharging equipment of oil well double acting;
Fig. 2: the structural representation of mechanical commutation valve;
Fig. 3: the structural representation of double-action plunger booster pump;
Fig. 4: cartridge structure schematic diagram.
Symbol description:
1. mechanical commutation valve, 2. double-action plunger booster pump, 3. cartridge filter, 3a. end cap one, 4. feed liquor port, 5. spool, 6. bleed port, 7. end cap two, 8. stepper motor, 9. bearing, 10. power transmission shaft, 11. valve bodies, 12. combined seal rings, 13. end caps three, 14. plunger case end caps one, 15. plunger cases, 16. plungers, 17. plunger case end caps two, 18. clips, 19. piston rod end caps, 20. piston rods, 21. pistons, 22. piston rods, 23. position sensors, 24. glands, 25.O RunddichtringO, 26. one way valves, 27. support rings, 28. black boies, 29. accumulators, 30. gripper shoes one, 31. gate valves, 32. urceolus, 33. filter cores, 34. gripper shoes two, 35. nuts, 36. sealing rings, 37. blind plates, a. reversal valve feed flow runner, b. reversal valve returns liquid runner, c. piston rod feed flow runner, d. piston rod discharge opeing runner, e. plunger case feed flow runner, f. plunger case discharge opeing runner, g. water filling main line entrance, h. backwash entrance, i. waste, j. discharge opeing outlet.
Detailed description of the invention
Below in conjunction with accompanying drawing and example, the utility model is described in further detail:
As Figure 1-4, the energy-conservation water filling supercharging equipment of a kind of oil well double acting of the utility model, mainly be divided into mechanical commutation valve 1, double-action plunger booster pump 2 and this three part of cartridge filter 3, wherein the water filling main line entrance g of cartridge filter 3 is connected with on-the-spot water filling main line, the feed liquor port 4 of mechanical commutation valve 1 exports j with the discharge opeing of cartridge filter 3 respectively with the feed flow runner e of plunger case in double-action plunger booster pump 2 and is connected, the bleed port f of plunger case is connected with high pressure water injection wellhead through accumulator 29, the bleed port 6 of mechanical commutation valve 1 is connected with low pressure return manifold, the feed flow runner a of mechanical commutation valve 1 successively with piston rod feed flow runner c, piston rod discharge opeing runner d is connected with the liquid runner b that returns of mechanical commutation valve 1, form loop, the connection of all sites all adopts high pressure line to connect.The spool 5 of mechanical commutation valve 1 inside welds with power transmission shaft 10, power transmission shaft 10 is connected by shaft coupling with stepper motor 8, combined seal ring 12 spool 5 is equipped with, the input of power transmission shaft 10 and output bearing set 9, bearing 9 is contained in the bearing socket of end cap 27 and end cap 3 13, end cap one 3a, end cap 27 and end cap 3 13 and valve body 11 are bolted, and valve body 11 have feed liquor port 4, bleed port 6, feed flow runner a and return liquid runner b.The plunger case end cap 1 of double-action plunger booster pump 2 and plunger case end cap 2 17 are bolted with plunger case 15 respectively, piston rod end cap 19 and piston rod 20 are bolted, position sensor 23 booster pump support steel plate is equipped with, position sensor 23 is connected by electric wire with stepper motor 8, in all end caps, O RunddichtringO 25 is all housed, plunger case end cap 2 17 is built with black box 28, by gland 24, it is compressed, gland 24 and plunger case end cap 2 17 are threaded, sealing effectiveness is regulated according to compression degree, plunger 16 is connected by clip 18 with piston rod 22, O RunddichtringO 25 and support ring 27 piston 21 be equipped with, piston rod 20 has two feed flow runner c and two discharge opeing runner d, two plunger cases 15 have an a feed flow runner e and discharge opeing runner f, discharge opeing runner f is connected with accumulator 29, in the runner mouth of plunger case 15, one way valve 26 is all housed.Cartridge filter 3 is by gripper shoe 1, gate valve 31, urceolus 32, filter core 33, gripper shoe 2 34, nut 35, sealing ring 36 and blind plate 37 form, blind plate 37 has water filling main line entrance g, urceolus 32 has backwash entrance h, waste i and discharge opeing outlet j, each mouth is all equipped with gate valve 31, urceolus 32 right-hand member has sealed groove, and sealing ring 36 is housed, blind plate 37 welds with urceolus 32, nut 35 is threaded with urceolus 32, gripper shoe 1 and gripper shoe 2 34 are welded with urceolus 32 inwall, filter core 33 is sleeved in urceolus 32, be fixed by blind plate 37 and nut 35, supported and righting by gripper shoe 1 and gripper shoe 2 34 pairs of filter cores 33.
When equipment normally works, open water filling main line entrance g and discharge opeing outlet j, close other mouths, water filling main line liquid stream is filtered, to carry out backwash cleaning to filter core 33, then open backwash entrance h and waste i, close other mouths, gravel and the impurity of blocking on filter core 33 can be discharged from waste i, effectively can clear up without the need to carrying out dismounting to tank body to filter core 33.
The energy-conservation water filling supercharging equipment of oil well double acting adopts double-action plunger booster pump 2 to carry out supercharging, so this equipment is in the course of the work, the motion of piston 21 and plunger 16 is divided into left lateral journey and right lateral journey two duties:
The duty of right lateral journey is: water filling trunk line liquid flows through after filter cylinder 3 filters and flows into from the feed liquor port 4 of mechanical commutation valve 1, the left chamber of piston rod 20 is entered through the feed flow runner a of mechanical commutation valve 1 and piston rod feed flow runner c, under the differential pressure action of left and right, promote piston 21 and plunger 16 right lateral, liquid stream after acting enters in time liquid runner b of mechanical commutation valve 1 from the discharge opeing runner d the right chamber of piston rod 20, flow into low pressure return manifold from bleed port 6 again and go, simultaneously, in plunger case 15, boost fluid flows through accumulator 29 and is injected in high-pressure water injection well and goes, when left clip 18 touches with the position sensor 23 on side steel plate, stepper motor 8 reverses, and drive power transmission shaft 10 and spool 5 to reversely rotate, change valve body 11 internal liquid to flow to, and then piston 21 stroke is switched, next left lateral journey duty is entered.
The duty of left lateral journey is: water filling trunk line liquid flows through after filter cylinder 3 filters and flows into from the feed liquor port 4 of mechanical commutation valve 1, the right chamber of piston rod 20 is entered through the feed flow runner a of mechanical commutation valve 1 and piston rod feed flow runner c, under the differential pressure action of left and right, promote piston 21 and plunger 16 left lateral, liquid stream after acting enters in time liquid runner b of mechanical commutation valve 1 from the discharge opeing runner d the left chamber of piston rod 20, flow into low pressure return manifold from bleed port 6 again and go, simultaneously, in plunger case 15, boost fluid flows through accumulator 29 and is injected in high-pressure water injection well and goes, when right clip 18 contacts with the position sensor 23 on side steel plate, stepper motor 8 reverses, and drive power transmission shaft 10 and spool 5 to reversely rotate, change valve body 11 internal liquid to flow to, and then piston 21 stroke is switched, next right lateral journey duty is entered.

Claims (4)

1. the energy-conservation water filling supercharging equipment of oil well double acting, it is characterized in that: comprise mechanical commutation valve (1), double-action plunger booster pump (2), cartridge filter (3), connect manifold and control valve group, water filling main line is connected with the entrance of cartridge filter (3), in described double-action plunger booster pump (2), the feed flow runner of plunger case exports with cartridge filter (3) discharge opeing respectively with the feed liquor port of described mechanical commutation valve (1) and is connected, the bleed port of described mechanical commutation valve (1) is connected with low pressure return manifold, in described double-action plunger booster pump (2), the discharge opeing runner of plunger case is connected with high-pressure well mouth waterflood-transmission line through accumulator, feed flow runner (a) in described mechanical commutation valve (1) is connected with feed flow runner (c) of piston rod in double-action plunger booster pump (2), liquid runner (b) that returns in described mechanical commutation valve (1) is connected with discharge opeing runner (d) of piston rod in double-action plunger booster pump (2).
2. the energy-conservation water filling supercharging equipment of oil well double acting according to claim 1, it is characterized in that: described mechanical commutation valve (1) is by end cap one (3a), spool (5), end cap two (7), stepper motor (8), bearing (9), power transmission shaft (10), valve body (11), combined seal ring (12) and end cap three (13) form, described spool (5) welds with power transmission shaft (10), described power transmission shaft (10) is connected by shaft coupling with stepper motor (8), combined seal ring (12) described spool (5) is equipped with, the input of described power transmission shaft (10) and output bearing set (9), bearing (9) is contained in end cap two (7) and end cap (13) bearing socket, described end cap one (3a), end cap two (7) and end cap three (13) are bolted with valve body (11), described valve body (11) has feed liquor port (4), bleed port (6), feed flow runner (a) and time liquid runner (b).
3. the energy-conservation water filling supercharging equipment of oil well double acting according to claim 1, it is characterized in that: described double-action plunger booster pump (2) is by plunger case end cap one (14), plunger case (15), plunger (16), plunger case end cap two (17), clip (18), piston rod end cap (19), piston rod (20), piston (21), piston rod (22), position sensor (23), gland (24), O RunddichtringO (25), one way valve (26), support ring (27), black box (28) and accumulator (29) composition, described plunger case end cap one (14) and plunger case end cap two (17) are bolted with plunger case (15) respectively, described piston rod end cap (19) and piston rod (20) are bolted, position sensor (23) booster pump support steel plate is equipped with, described position sensor (23) is connected by electric wire with stepper motor (8), O RunddichtringO (25) is all housed in all end caps, described plunger case end cap two (17) is built with black box (28), by gland (24), it is compressed, described gland (24) and plunger case end cap two (17) are threaded, described plunger (16) is connected by clip (18) with piston rod (22), O RunddichtringO (25) and support ring (27) described piston (21) be equipped with, piston rod has two feed flows runner (c) and two discharge opeings runner (d), two plunger cases have feed flow runner (e) and discharge opeing runner (f), described discharge opeing runner (f) is connected with accumulator (29), the runner mouth of described plunger case (15) is built with one way valve (26).
4. the energy-conservation water filling supercharging equipment of oil well double acting according to claim 1, it is characterized in that: described cartridge filter (3) is by gripper shoe one (30), gate valve (31), urceolus (32), filter core (33), gripper shoe two (34), nut (35), sealing ring (36) and blind plate (37) composition, (37) have water filling main line entrance (g) to described blind plate, (32) have backwash entrance (h) with described urceolus, waste (i) and discharge opeing outlet (j), gate valve (31) each mouth is all equipped with, described urceolus (32) right-hand member has sealed groove, and sealing ring (36) is housed, described blind plate (37) welds with urceolus (32), described nut (35) is threaded with urceolus (32), described gripper shoe one (30) and gripper shoe two (34) are welded with urceolus (32) inwall respectively, described filter core (33) is sleeved in urceolus (32), be fixed by blind plate (37) and nut (35), by gripper shoe one (30) and gripper shoe two (34), filter core (33) is supported and righting.
CN201520334071.5U 2015-05-18 2015-05-18 Energy -conserving water injection supercharging equipment of two effects of oil well Expired - Fee Related CN204804795U (en)

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Cited By (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106468252A (en) * 2016-10-25 2017-03-01 舟山梅朋水处理有限公司 A kind of equipment of liquid transformation transmission and system
CN107213684A (en) * 2017-07-29 2017-09-29 南通绣达服饰有限公司 A kind of multicomponent alloy water treatment instrument
CN107387357A (en) * 2017-08-30 2017-11-24 张家口德中钻探机械有限责任公司 High-low pressure well testing pump
CN107654322A (en) * 2017-10-15 2018-02-02 罗厚镇 A kind of plant equipment filter
CN108087258A (en) * 2017-12-29 2018-05-29 中国石油大学(华东) A kind of automatic Regulation water injecting pump energy-saving control system and water filling adjusting method
CN109779871A (en) * 2019-02-28 2019-05-21 王湫锂 A kind of fluid power injection device and application thereof
CN114719053A (en) * 2021-03-02 2022-07-08 中国石油大学(华东) Design method of rotary valve port structure of continuous wave generator and rotary valve
WO2022156262A1 (en) * 2021-01-21 2022-07-28 烟台杰瑞石油装备技术有限公司 Low-pressure liquid intake manifold and fracturing device

Cited By (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106468252A (en) * 2016-10-25 2017-03-01 舟山梅朋水处理有限公司 A kind of equipment of liquid transformation transmission and system
CN107213684A (en) * 2017-07-29 2017-09-29 南通绣达服饰有限公司 A kind of multicomponent alloy water treatment instrument
CN107387357A (en) * 2017-08-30 2017-11-24 张家口德中钻探机械有限责任公司 High-low pressure well testing pump
CN107387357B (en) * 2017-08-30 2023-08-04 张家口德中钻探机械有限责任公司 High-low pressure well testing pump
CN107654322A (en) * 2017-10-15 2018-02-02 罗厚镇 A kind of plant equipment filter
CN107654322B (en) * 2017-10-15 2019-07-12 广钢林德气体(深圳)有限公司 A kind of mechanical equipment filter device
CN108087258A (en) * 2017-12-29 2018-05-29 中国石油大学(华东) A kind of automatic Regulation water injecting pump energy-saving control system and water filling adjusting method
CN109779871A (en) * 2019-02-28 2019-05-21 王湫锂 A kind of fluid power injection device and application thereof
CN109779871B (en) * 2019-02-28 2024-01-19 王湫锂 Hydraulic injection device and application thereof
WO2022156262A1 (en) * 2021-01-21 2022-07-28 烟台杰瑞石油装备技术有限公司 Low-pressure liquid intake manifold and fracturing device
CN114719053A (en) * 2021-03-02 2022-07-08 中国石油大学(华东) Design method of rotary valve port structure of continuous wave generator and rotary valve
CN114719053B (en) * 2021-03-02 2023-12-12 中国石油大学(华东) Design method of rotary valve port structure of continuous wave generator and rotary valve

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Granted publication date: 20151125

Termination date: 20200518