CN2511792Y - Water flooding equipment for boosting well pressure - Google Patents
Water flooding equipment for boosting well pressure Download PDFInfo
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- CN2511792Y CN2511792Y CN 01272513 CN01272513U CN2511792Y CN 2511792 Y CN2511792 Y CN 2511792Y CN 01272513 CN01272513 CN 01272513 CN 01272513 U CN01272513 U CN 01272513U CN 2511792 Y CN2511792 Y CN 2511792Y
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Abstract
The utility model provides water flooding equipment for boosting well pressure which consists of a pressure cylinder 1, an oil valve set 2, a water valve set 3, an oil pump 4, an oil tank 5, an accumulator 6, a filter 7 and an electromagnetic directional valve 8, wherein, a piston and an intermediate connector in the pressure cylinder 1 divide the pressure cylinder 1 into a cavity A, a cavity B, a cavity C and a cavity D, wherein, inlets and outlets of the oil cavity A and the oil cavity D are respectively connected with inlets and outlets of the oil valve set 2, while inlets and outlets of the water cavity B and the water cavity C are respectively connected with inlets and outlets of the water valve set 3, an oil feeding port of the oil valve set 2 is connected with an outlet of the oil pump 4, a return-oil inlet is connected with a return oil pipeline of the oil tank 5, a side opening of the oil valve set 2 is also connected with the accumulator 6 which balances an oil pressure in the oil valve set, two inlet valves of the water valve set 3 are connected with the filter 7 and an inlet pipeline, while two outlet valves are connected with water injection pipelines of a high pressure well, circuits of the electromagnetic directional valve 8 are respectively connected with control circuits of the oil valve set 2 and the water valve set 3 in parallel, and connected with control circuits of a piston touch inducting reversed mechanism of the pressure cylinder 1 in series.
Description
Technical field
The utility model relates to liquid capacity-changing mechanical, be meant especially and a kind ofly utilize the pressure and the recycle oil pressurization of water inlet self by water filling machine pressurized cylinder supercharging to be carried out in water filling, the piston of pressurized cylinder adopts the piston commutation of the self-align anti-inclined to one side piston structure of spherical cock body, pressurized cylinder to adopt the fuel tap group of piston touching induction changement and recycle oil to adopt the oil field pressurized water injection machine of ball-valve structure.
Background technology
The boosting water injector (ZL98201063X) of present Oilfield using, be provided with a high-pressure outlet, other has a delivery port then with return water mode water to be discharged, because backwater has pollution can not directly enter ground, can only lay special-purpose return piping discharging, and backwater also will be handled the cost that has increased the backwater discharging greatly and handled, and has influenced the use in the oil field.Existing boosting water injector all adopts single-piece piston, but because pressurized cylinder is two sections compositions, assembly technology is difficult to guarantee the axiality of two sections pressurized cylinders, and the motion effect of single-piece piston just eccentric wear will take place when pressurized cylinder is worked, and cause to leak and the stopping production accident.Existing simultaneously boosting water injector pressurized cylinder adopts hydraulicdirectional control valve and pilot reversing valve two valves control commutation water filling; because carrying out the commutation task jointly, two valves usually occur shutting down; cause the commutation reliability extremely low; and with aqueous medium during as guide's liquid controlled reversing; because of containing chemical elements such as impurity in the water; make in the valve the very easily burn into valve member lost of life of movable part; and pilot reversing valve does not still have the standard approved product; cost of production will greatly increase voluntarily, and therefore this boosting water injector through trial-production is difficult to normal the use at the scene, oil field.
Summary of the invention
Technical problem to be solved in the utility model just is to overcome the defective of existing boosting water injector, provide a kind of and utilize the pressure of water inlet self and recycle oil (perhaps other liquid medium) pressurization is carried out supercharging by water filling machine pressurized cylinder to water filling, the piston of pressurized cylinder adopts the self-align anti-inclined to one side piston structure of ball-type cock body, pressurized cylinder piston commutation to adopt piston touching induction changement and recycle oil fuel tap group to adopt the oil field pressurized water injection machine of ball-valve structure.Oil field of the present utility model pressurized water injection machine is by pressurized cylinder 1, fuel tap group 2, water valve group 3, oil pump 4, fuel tank 5, accumulator 6, strainer 7, solenoid operated directional valve 8 is formed, piston and intermediate connector in the pressurized cylinder 1 are divided into A with pressurized cylinder 1, B, C, four chambeies of D, wherein the import and export in oil pocket A chamber and D chamber are joined with the 2 outlet imports of fuel tap group respectively, the import and export in water cavity B chamber and C chamber are joined with the 3 outlet imports of water valve group respectively, fuel tap group 2 oil-feed ports are connected with the outlet of oil pump 4, oil return opening is connected with the oil return pipeline of fuel tank 5, fuel tap group 2 one side mouths also are connected with the accumulator 6 of oil pressure in the balance fuel tap group, 3 liang of water intaking valves of water valve group are connected with strainer 7 and back with water inlet line, two outlet valves are connected with the high-pressure well waterflood-transmission line, and solenoid operated directional valve 8 circuit are in parallel with fuel tap group 2 and water valve group 3 control circuits respectively, with pressurized cylinder 1 piston touching induction changement control circuit polyphone.Fuel tap group 2 and water valve group 3 all adopt one way valve, and it is the bridge-type connected mode that one way valve adopts ball-valve structure, fuel tap group 2.When carrying out work, along with pressurized cylinder 1 piston side-to-side movement, the induction changement that touches of pressurized cylinder sends commutation signal, 8 commutations of control solenoid operated directional valve, by oil pump 4 and fuel tap group 2 to A chamber fuel feeding, pass through back with water inlet line, strainer 7 and water valve group 3 supply water to the C chamber, fuel tap group 2 is the interior oil pressure of mouthful accumulator that connects 6 energy balance fuel tap groups on one side, simultaneously the D chamber by fuel tap group 2 progressively to fuel tank 5 oil extractions, the B chamber by water valve group 3 outlet valve and the high-pressure well waterflood-transmission line to oil-field flooding, because the recycle oil of the pressure of water inlet self and process pressurization acts on C chamber and A chamber respectively, the compression area sum in A chamber and C chamber is greater than the area of B chamber annular piston, make 2-2.6 that the water pressure energy in B chamber is elevated to intake pressure doubly, the oil pressure in D chamber is bordering on zero, finishes the overall process to the supercharging of B chamber since then.When piston moves to B chamber dead-centre position, the supercharging of B chamber stops, piston touches the induction changement on the pressurized cylinder intermediate connector, the induction changement sends commutation signal, control loop is realized commutation under solenoid operated directional valve 8 effects, at this moment oil pump 4 and fuel tap group 2 are to D chamber fuel feeding, and back with water inlet line, strainer 7 and water valve group 3 supply water to the B chamber, simultaneously the A chamber by fuel tap group 2 progressively to fuel tank 5 oil extractions, the water under high pressure in C chamber by water valve group 3 outlet valve and the high-pressure well waterflood-transmission line to oil-field flooding.By solenoid operated directional valve 8 commutations, working so circularly in the A chamber of pressurized cylinder 1 and C chamber, D chamber and B chamber, finishes uninterruptedly to oil-field flooding.According to the different requirements of oil field, oil pocket and water cavity can be exchanged, i.e. A chamber and the water inlet of D chamber and draining, B chamber and oil-feed of C chamber and oil extraction the pressurized water injection discharge capacity.Also can change water filling according to the needs in oil field for annotating other liquid mediums, oily medium also can change other liquid medium, for example into: emulsion.The piston of the utility model pressurized cylinder 1 adopts the self-align anti-inclined to one side piston structure of spherical cock body, piston is made of spherical piston body, spacer ring, seal, matrix pressing plate, pressing plate and gland etc., spherical piston is external to be equipped with spacer ring with the piston body center line position pressurized cylinder axis normal, seal is loaded on spherical piston body and pressurized cylinder casing wall contact site, the matrix pressing plate is loaded on spherical piston body both sides, the matrix pressing plate is outward a pressing plate, and the pressing plate axially outer end is a gland.Piston touching induction changement is adopted in the piston commutation of the utility model pressurized cylinder, piston touching induction changement is made of spool, valve body, cavity and sensor block, spool is positioned at valve body and can moves forward and backward, cavity moves increase with spool or diminishes between valve body inner valve body and spool, center spool is provided with not through hole and has inclined hole to lead to cavity, and an end of spool is provided with the sensor block of contact with it.The utility model fuel tap group valve member adopts the plug-in type ball valve.Pressurized cylinder of the present utility model can adopt single cylinder, also can adopt twin-tub or multi-cylinder parallel to use.
Advantage of the present utility model just is to utilize the pressure of water inlet self and recycle oil pressurization by water filling machine pressurized cylinder pressurized water injection to be carried out in the oil field, pressurized cylinder is only established a water filling outlet, do not produce simultaneously backwater, make into that water all injects oil reservoir, have or not the various water injection wells of return pipe net applicable to the oil field.Pressurized cylinder piston of the present utility model adopts the self-align anti-inclined to one side piston structure of spherical cock body, has solved pressurized cylinder and has divided two sections the demanding problem of axiality is installed, to is installed the application life that the piston deviation requires reduction, improved piston.Piston touching induction changement is adopted in the piston commutation of the utility model pressurized cylinder, has guaranteed under the situation that produces water under high pressure valve member correctly to be commutated.Valve group one way valve adopts ball-valve structure to solve tapered valve and causes the malfunctioning defective of commutation because of cavitation erosion and aqueous corrosion valve member are not closed completely.Thereby the utlity model has vast potential for future development.
Description of drawings
Below in conjunction with accompanying drawing the utility model is described further.
Fig. 1 is the vertical view of profile of the present utility model;
Fig. 2 is an oil field of the present utility model pressurized water injection machine workflow schematic diagram;
Fig. 3 is an oil field of the present utility model pressurized water injection machine pressurized cylinder structural representation;
Fig. 4 is a pressurized cylinder piston touching induction changement structural representation of the present utility model;
Fig. 5 is an one way valve ball-valve structure schematic diagram of the present utility model;
See figures.1.and.2, oil field of the present utility model pressurized water injection machine is made up of pressurized cylinder 1, fuel tap group 2, water valve group 3, oil pump 4, fuel tank 5, accumulator 6, strainer 7, solenoid operated directional valve 8, in addition, the bottom of pressurized cylinder 1 has base 9, fuel tank 5 sides that switch board 10, fuel tank 5 tops and oil pump are set to be connected with motor 11.As Fig. 2, piston and intermediate connector in the pressurized cylinder 1 are divided into A with pressurized cylinder 1, B, C, four chambeies of D, wherein the import and export in oil pocket A chamber and D chamber are joined with the 2 outlet imports of fuel tap group respectively, the import and export in water cavity B chamber and C chamber are joined with the 3 outlet imports of water valve group respectively, fuel tap group 2 oil-feed ports are connected with the outlet of oil pump 4, oil return opening is connected with the oil return pipeline of fuel tank 5, fuel tap group 2 one side mouths also are connected with the accumulator 6 of oil pressure in the balance fuel tap group, 3 liang of water intaking valves of water valve group are connected with strainer 7 and back with water inlet line, two outlet valves are connected with the high-pressure well waterflood-transmission line, and solenoid operated directional valve 8 circuit are in parallel with fuel tap group 2 and water valve group 3 control circuits respectively, with pressurized cylinder 1 piston touching induction changement control circuit polyphone.Fuel tap group 2 and water valve group 3 all adopt one way valve, and it is the bridge-type connected mode that one way valve adopts ball-valve structure, fuel tap group 2.Pressurized cylinder 1 piston touching induction changement is on the connector in the middle of the pressurized cylinder.
With reference to Fig. 3, pressurized cylinder 1 of the present utility model is made up of cylinder cap 1-1, cylinder body 1-8, intermediate connector 1-9, piston 1-2～7, connecting rod 1-10 and piston touching induction changement 1-11 etc., cylinder body 1-8 is divided into two sections, and piston adopts the self-align anti-inclined to one side piston structure of spherical cock body to be made of gland 1-2, pressing plate 1-3, matrix pressing plate 1-4, seal 1-5, spacer ring 1-6 and spherical piston body 1-7.In pressurized cylinder working piston moving process, as cylinder body the deflection of certain angle is arranged, will pay automatically by the rotation that matrix pressing plate 1-4 and spherical piston body 1-7 form and correct; Take place and the axis parallel offset as connecting rod 1-10, the slip that pressing plate 1-3 and matrix pressing plate 1-4 parallel surface are formed is paid and will be adjusted automatically.Adopt spherical cock body self-align anti-inclined to one side piston structure to prevent the accident that two sections cylinder body 1-8 and piston cause serious wearing and tearing to cause because of the axis decentraction.
With reference to Fig. 4 and Fig. 3, piston touching induction changement 1-11 is made of spool 1-11-1, valve body 1-11-2, cavity 1-11-3 and sensor block 1-11-4, spool 1-11-1 is positioned at valve body 1-11-2 and can moves forward and backward, cavity 1-11-3 moves increase with spool 1-11-1 or diminishes between valve body 1-11-2 inner valve body and spool, spool 1-11-1 center is provided with not through hole 1-11-hole 1 and has inclined hole 1-11-hole 2 to lead to cavity, and an end of spool is provided with the sensor block 1-11-4 of contact with it.When the supercharging of pressurized cylinder B chamber, water under high pressure is through through hole 1-11-hole 1 and inclined hole 1-11-hole 2 do not enter cavity 1-11-3, make cavity 1-11-3 expansion and the 1-11-B face is moved to left, spool 1-11-1 outwards makes the 1-11-A face be in the position of protruding valve body 1-11-2 all the time simultaneously.When the left end piston is shifted to the right to dead-centre position, piston will be met 1-11-A face promotion spool 1-11-1 and move, meets sensor block 1-11-4, carry out commutation by control loop by solenoid operated directional valve 8.When pressurized cylinder C chamber was in pressurized state, the commutation process principle was the same, and the induction control loop is switched on and off, and made fuel tap group 2 and 3 commutations of water valve group by solenoid operated directional valve 8.
With reference to Fig. 5, as figure, when adopting the ball-valve structure valve member to close, ball valve does not rest on the permanent position all the time with hole sealing contact wire L, thereby the hole that has solved cone valve structure and cone valve sealing contact wire are because of cavitating and aqueous medium corrodes and makes the very fast destroyed difficult problem that can't use of potted line.
The specific embodiment
Below be an embodiment of the present utility model, the actual use of the present utility model is not limited to embodiment.
Adopt the pressure of the utility model utilization water inlet self and recycle oil pressurization by water filling machine pressurized cylinder to the water filling supercharging, the piston of pressurized cylinder adopts the self-align anti-inclined to one side piston structure of ball-type cock body, pressurized cylinder piston commutation to adopt the oil field pressurized water injection machine of piston touching induction changement and recycle oil fuel tap group employing ball-valve structure.Come water pressure 11MPa, by oil field pressurized water injection machine to the stratum water filling, high pressure water injection outlet pressure 26MPa, continuously water filling is 5 months.Water filling work meets waterflooding requirement.Saved energy greatly, reduced cost, water flood operations is convenient, is easy to promote the use of.
Claims (5)
1, a kind of oil field pressurized water injection machine, it is characterized in that by pressurized cylinder 1, fuel tap group 2, water valve group 3, oil pump 4, fuel tank 5, accumulator 6, strainer 7, solenoid operated directional valve 8 is formed, piston and intermediate connector in the pressurized cylinder 1 are divided into A with pressurized cylinder 1, B, C, four chambeies of D, wherein the import and export in oil pocket A chamber and D chamber are joined with the 2 outlet imports of fuel tap group respectively, the import and export in water cavity B chamber and C chamber are joined with the 3 outlet imports of water valve group respectively, fuel tap group 2 oil-feed ports are connected with the outlet of oil pump 4, oil return opening is connected with the oil return pipeline of fuel tank 5, fuel tap group 2 one side mouths also are connected with the accumulator 6 of oil pressure in the balance fuel tap group, 3 liang of water intaking valves of water valve group are connected with strainer 7 and back with water inlet line, two outlet valves are connected with the high-pressure well waterflood-transmission line, and solenoid operated directional valve 8 circuit are in parallel with fuel tap group 2 and water valve group 3 control circuits respectively, with pressurized cylinder 1 piston touching induction changement control circuit polyphone.
2, oil field according to claim 1 pressurized water injection machine, the piston of the pressurized cylinder 1 that it is characterized in that adopts the self-align anti-inclined to one side piston structure of spherical cock body, piston is made of spherical piston body, spacer ring, seal, matrix pressing plate, pressing plate and gland etc., spherical piston is external to be equipped with spacer ring with the piston body center line position pressurized cylinder axis normal, seal is loaded on spherical piston body and pressurized cylinder casing wall contact site, the matrix pressing plate is loaded on spherical piston body both sides, the matrix pressing plate is outward a pressing plate, and the pressing plate axially outer end is a gland.
3, oil field according to claim 1 pressurized water injection machine, piston touching induction changement is adopted in the piston commutation that it is characterized in that pressurized cylinder, piston touching induction changement is made of spool, valve body, cavity and sensor block, spool is positioned at valve body and can moves forward and backward, cavity moves increase with spool or diminishes between valve body inner valve body and spool, center spool is provided with not through hole and has inclined hole to lead to cavity, and an end of spool is provided with the sensor block that can contact with it.
4, oil field according to claim 1 pressurized water injection machine is characterized in that the one way valve of fuel tap group 2 and water valve group 3 adopts the plug-in type ball valve.
5, oil field according to claim 1 pressurized water injection machine is characterized in that oil pocket and water cavity to be exchanged, i.e. A chamber and the water inlet of D chamber and draining, B chamber and oil-feed of C chamber and oil extraction according to the different requirements of pressurized water injection discharge capacity.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 01272513 CN2511792Y (en) | 2001-11-27 | 2001-11-27 | Water flooding equipment for boosting well pressure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 01272513 CN2511792Y (en) | 2001-11-27 | 2001-11-27 | Water flooding equipment for boosting well pressure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2511792Y true CN2511792Y (en) | 2002-09-18 |
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ID=33677654
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 01272513 Expired - Fee Related CN2511792Y (en) | 2001-11-27 | 2001-11-27 | Water flooding equipment for boosting well pressure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2511792Y (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101839125A (en) * | 2010-02-25 | 2010-09-22 | 黄健 | Pressurized water injection device |
| CN102094608B (en) * | 2009-12-14 | 2014-03-05 | 安东石油技术（集团）有限公司 | Automatic water power pressure adjustment system |
| CN102094607B (en) * | 2009-12-14 | 2014-03-05 | 安东石油技术（集团）有限公司 | Equipment and method for injecting water into high and low pressure wells |
| 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 |
-
2001
- 2001-11-27 CN CN 01272513 patent/CN2511792Y/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102094608B (en) * | 2009-12-14 | 2014-03-05 | 安东石油技术（集团）有限公司 | Automatic water power pressure adjustment system |
| CN102094607B (en) * | 2009-12-14 | 2014-03-05 | 安东石油技术（集团）有限公司 | Equipment and method for injecting water into high and low pressure wells |
| CN101839125A (en) * | 2010-02-25 | 2010-09-22 | 黄健 | Pressurized water injection device |
| CN101839125B (en) * | 2010-02-25 | 2013-04-10 | 白霞 | Pressurized water injection 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 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C19 | Lapse of patent right due to non-payment of the annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |