CN201588618U - Hydraulic automatic pressure regulating device - Google Patents
Hydraulic automatic pressure regulating device Download PDFInfo
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- CN201588618U CN201588618U CN2009202781151U CN200920278115U CN201588618U CN 201588618 U CN201588618 U CN 201588618U CN 2009202781151 U CN2009202781151 U CN 2009202781151U CN 200920278115 U CN200920278115 U CN 200920278115U CN 201588618 U CN201588618 U CN 201588618U
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Abstract
The utility model belongs to the technical field of petroleum production equipment, in particular to a hydraulic automatic pressure regulating device used for injecting water into oil wells. The hydraulic automatic pressure regulating device comprises a water injection device, a hydraulic cylinder, an oil channel control device and a PCL controller, wherein the water injection device is connected with an oil well via the oil channel control device and the hydraulic cylinder, a reversing device of the hydraulic cylinder controls a guide device of the oil channel control device by sending signals to the PCL controller, the hydraulic cylinder complete reversing by aid of the guide device of the oil channel control device, and pressure oil of the oil channel control system is provided by an oil pump stably, forms a circulating loop and can be used circularly. The hydraulic automatic pressure regulating device has the advantages that the independent circulating oil channel control device is utilized to control injection water channel, thereby strengthening water injection reliability and stability of the water injection device to high-pressure or low-pressure oil wells, prolonging service life of machines, saving energy consumption and achieving better water injection effect without pollutant emission.
Description
Technical field
The utility model belongs to the oil exploration equipment technical field, is specifically related to be used for the waterpower automatic pressure regulating device of flushing.
Background technology
In the oil recovery process of oil field,, often need water filling in oil well between the slit of subterranean strata for crude oil is become out.And the pressure difference in the different oil wells, there have height to have to be low, so desired water injection pressure also is not quite similar during water filling, and high-pressure well needs higher pressure could realize water filling, and low pressure well does not then need too high pressure.Traditional method for flushing is to adopt high-pressure pump that high-pressure well is carried out water filling, can carry out water filling simultaneously to low pressure well in order to make high-pressure pump, and usually by valve throttle, the method for control flow is carried out.For hydraulic pressure is improved, can realize the more well water filling of high pressure, the very big water pump of required power often, so energy consumption is very big; Simultaneously, adopt the way of high-pressure pump, also can cause serious energy huge waste, and flood effectiveness is also bad, causing inconvenience in the exploitation work to the low pressure well water filling.
The above technical problem of pin has the pressure of technology utilization water inlet self, adopts voltage regulation cylinder, water oil energy converter, solenoid operated directional valve to wait and control water injection manifold, in the hope of realizing the purpose of waterpower automatic Regulation water filling.But this technology realizes utilizing hydraulic pressure to pressurize to oil circuit by water oil energy converter, realize importing and exporting the conversion in water route again by oil circuit pressure conversion control bridge-type plug-in type valve member, though this way has utilized hydraulic pressure to pressurize from the trend oil circuit, but there is very big defective: the one, the technical scheme of complete control oil channel is not disclosed in this patented technology scheme, can't realize the continuous periodic duty of control oil channel in the practice according to the description of this patent, the 2nd, the water and the oily power fluid of leakage not only cause waste, and can pollute environment, the 3rd, can not provide steady connection fixed control oil pressure, the instability that causes water filling work, the 4th, the easy corrosion pipeline of aqueous medium, the worker who influences oil circuit often works; Simultaneously, all there are very big defective in the commutating device of the voltage regulation cylinder of this technology and the connection between the cylinder barrel.
Summary of the invention
In order to solve deficiency of the prior art, the utility model provides a kind of circulating oil path control appliance to control the water route of water filling, utilize the one-level pumping plant of fixation pressure to realize high-pressure well and low pressure well are stablized water filling simultaneously, and service life of equipment is long, commutation is stable, the water injection equipment of the waterpower automatic Regulation that precision is high.
For achieving the above object, the technical solution of the utility model is: the waterpower automatic pressure regulating device, comprise water injection equipment, fluid power cylinder, oil circuit control appliance and PCL controller, described fluid power cylinder comprises left cylinder barrel and the right cylinder barrel that is connected by connector, be provided with the connecting rod that two ends have piston in the fluid power cylinder, piston, connecting rod and connector are divided into A chamber, B chamber, C chamber, four working chambers in D chamber with left cylinder barrel and right cylinder barrel, and described each working chamber is respectively equipped with A mouth, B mouth, C mouth, four intake-outlets of D mouth; Described water injection equipment comprises one-level pumping plant, working hole control appliance, high-pressure well and low pressure well, described working hole control appliance comprises water inlet, the B working hole, C working hole and delivery port, described water inlet is connected with the one-level pumping plant, described B working hole is connected with described B chamber, described C working hole is connected with described C chamber, described delivery port is connected with described low pressure well, described one-level pumping plant is connected with the D chamber with described A chamber respectively with D chamber input one way valve by A chamber input one way valve, and described A chamber is connected with high-pressure well with D chamber output one way valve by A chamber output one way valve respectively with the D chamber; Described oil circuit control appliance comprises working hole switch and guide's equipment, described working hole switch comprises four hydraulic control one-way valve A, B, C, D, described guide's equipment comprises guide's electronics ball valve A and the B that is connected with described PCL controller, described guide's electronics ball valve A and described hydraulic control one-way valve A, D connects, guide's electronics ball valve B and described hydraulic control one-way valve B, C connects, the two ends of described left cylinder barrel and right cylinder barrel are respectively equipped with the left side that is connected with described PCL controller near switch and right near switch, described oil circuit control appliance also comprises oil pump and fuel tank, described oil pump is connected with the PCL controller, described oil pump is connected with described guide's equipment respectively with fuel tank, is provided with the oil transportation one way valve between oil pump and guide's equipment.
Described guide's electronics ball valve A is provided with oil drain passage A and oil inlet passage A, and described guide's electronics ball valve B is provided with oil drain passage B and oil inlet passage B.
Be provided with accumulator and pressure between described oil transportation one way valve and the guide's equipment and pass transmitter, described pressure passes transmitter and is connected with the PCL controller.
Be provided with overflow valve between described oil transportation one way valve and the oil pump, described overflow valve is connected with fuel tank.
Described accumulator is connected with fuel tank by grease interceptor.
The flange that is connected between described left cylinder barrel, right cylinder barrel and the described connector connects.
Compared with prior art, the beneficial effects of the utility model show as: owing to adopted independently the circulating oil path control appliance to the water route of water filling, make water injection equipment stronger, prolonged the application life of machine, saved energy consumption simultaneously in reliability and stability toward high and low kill-job water filling; Flood effectiveness is better, and non-pollutant discharge.
Description of drawings
Fig. 1 is a structural representation of the present utility model.
Among the figure, 1-fluid power cylinder, 11A-left side cylinder barrel, the right cylinder barrel of 11B-, 12A-left piston, the right piston of 12B-, 13-connector, a 14A-left side are near switch, and 14B-is right near beginning, 15-connecting rod, 16A-A chamber, 16B-B chamber, the 16C-C chamber, 16D-D chamber, 17A-A mouth, 17B-B mouth, 17C-C mouth, 17D-D mouth; The 2-water injection equipment, 21A-A chamber input one way valve, 22A-A chamber output one way valve, 21D-D chamber input one way valve, 22D-D chamber output one way valve, 23A-water inlet, 23B-B working hole, 23C-C working hole, the 23D-water filling port, P-one-level pumping plant, P1-low pressure well, P2-high-pressure well; 3-oil circuit control appliance, 31A-hydraulic control one-way valve A, 31B-hydraulic control one-way valve B, 31C-hydraulic control one-way valve C, 31D-hydraulic control one-way valve D, 32-oil pump, 33-oil transportation one way valve, 34-overflow valve, 35-accumulator, 36-pressure passes transmitter, 37-grease interceptor, 38-fuel tank, 39A-guide's electronics ball valve A, 39B-guide's electronics ball valve B, 310A-oil drain passage A, 310B-oil drain passage B, 311A-oil inlet passage A, 311B-oil inlet passage B.
The specific embodiment
Referring to Fig. 1, the waterpower automatic pressure regulating device comprises water injection equipment 2, fluid power cylinder 1, oil circuit control appliance 3 and PCL controller.Fluid power cylinder 1 comprises left cylinder barrel 11A and the right cylinder barrel 11B that is connected by connector 13, be provided with connecting rod 15 in the fluid power cylinder, the two ends of connecting rod 15 have left piston 12A and right piston 12B, piston and connector are divided into A chamber, B chamber, C chamber, four working chambers in D chamber with left cylinder barrel 11A and right cylinder barrel 11B, and each working chamber is equipped with A mouth, B mouth, C mouth, four intake-outlets of D mouth; The flange that is connected between left side cylinder barrel 11A, right cylinder barrel 11B and the connector 13 connects, left cylinder barrel 11A, right cylinder barrel 11B two ends be respectively equipped with the left side that is connected with described PCL controller near switch 14A and the right side near switch 14B.
Water injection equipment comprises one-level pumping plant P, the working hole control appliance, high-pressure well P2 and low pressure well P1, the working hole control appliance comprises water inlet 23A, B working hole 23B, C working hole 23B and delivery port 23D, water inlet 23A is connected with one-level pumping plant P, B working hole 23B is connected with B chamber 16B, the C working hole is connected with C chamber 16C, delivery port 23D is connected with low pressure well P1, one-level pumping plant P is connected with D chamber 16D with A chamber 16A respectively with D chamber input one way valve 21D by A chamber input one way valve 21A, and A chamber 16A is connected with high-pressure well P2 with D chamber output one way valve 22D by A chamber output one way valve 22A respectively with D chamber 16D.One-level pumping plant P refers to the one-level pumping plant of oil-field flooding.
The oil circuit control appliance comprises working hole switch and guide's equipment, the working hole switch comprises hydraulic control one-way valve A31A, hydraulic control one-way valve B31B, hydraulic control one-way valve C31C, hydraulic control one-way valve D31D, guide's equipment comprises guide's electronics ball valve A39A and the guide's electronics ball valve B39B that is connected with the PCL controller, guide's electronics ball valve A is connected with hydraulic control one-way valve A, hydraulic control one-way valve D, and guide's electronics ball valve B is connected with hydraulic control one-way valve B, hydraulic control one-way valve C; Guide's electronics ball valve A is provided with oil drain passage A310A and oil inlet passage A311A, and guide's electronics ball valve B is provided with oil drain passage B310B and oil inlet passage B311B.The oil circuit control appliance also comprises oil pump 32 and fuel tank 38, oil pump 32 is connected with the PCL controller, oil pump 32 is connected with guide's electronics ball valve B with guide's electronics ball valve A of described guide's equipment respectively with fuel tank 38, between oil pump and guide's equipment, be provided with oil transportation one way valve 33, be provided with accumulator 35 and pressure between oil transportation one way valve 33 and the guide's equipment and pass transmitter 36, pressure passes transmitter 36 and is connected with the PCL controller, be provided with overflow valve 34 between oil transportation one way valve 33 and the oil pump, overflow valve 34 is connected with fuel tank 38, and accumulator 35 is connected with fuel tank 38 by grease interceptor 37.Also strainer can be set on the fuel tank 38, content gauge, air filter, temperature pick up and heater.Temperature pick up with link to each other with heater by the PCL device.The PLC controller is preferably single-chip microcomputer.
During the work of the utility model waterpower automatic pressure regulating device: oil pump is pumped from fuel tank, by the oil transportation one way valve with the guide electronics ball valve of oil pump to guide's equipment, if oil pressure is too high in the oil circuit, oil can overflow and flows back to fuel tank from being located at overflow valve between oil pump and the oil transportation one way valve; The oil of process oil transportation one way valve is when oil pressure is too high, can't pass back into fuel tank, therefore between oil transportation one way valve and guide's electronics ball valve, be provided with accumulator, be used for accumulating unnecessary oil circuit energy, when oil pressure is excessive in the oil circuit, pressure between accumulator and the guide's electronics ball valve passes transmitter this high oil pressure value is passed to the PCL controller, after the PCL controller is received the too high signal of oil pressure, send instruction and close oil pump, at this moment, accumulator provides oil pressure to oil circuit, and equal pressure is during less than operating pressure, and pressure passes transmitter and transmits hypotensive information to the PCL controller once more and continue to oil circuit pump oil to start oil pump.
Two guide's electronics ball valves are in different duties, and when the oil inlet passage of a first electronics ball valve is communicated with oil inlet pipe, its oil-out is communicated with corresponding hydraulic control one-way valve, and its oil drain passage is in closed state; This moment, the oil drain passage of another one guide electronics ball valve was communicated with corresponding hydraulic control one-way valve and fuel tank, and the oil in the oil circuit is entered in the fuel tank.Under the control of PCL controller, the duty of two electronics ball valves can not be switched with stopping, realizes alternately connecting and sealing of two guide's electronics ball valve oil inlet passages and oil drain passage.
When the oil inlet passage A of bulbec valve A of conducting electricity in the ban connects, hydraulic control one-way valve A and hydraulic control one-way valve D close under the effect of oil circuit pressure, at this moment, the residing oil circuit of the oil drain passage B of guide's electronics ball valve B and hydraulic control one-way valve B, hydraulic control one-way valve C is connected, oil in hydraulic control one-way valve B, the residing oil circuit of hydraulic control one-way valve C is arranged to fuel tank by the oil drain passage B of guide's electronics ball valve B, the oil pressure of hydraulic control one-way valve B, the suffered oil circuit of hydraulic control one-way valve C is disappeared, and then hydraulic control one-way valve B and hydraulic control one-way valve C open.At this moment; one-level pumping plant P pumps into water the water inlet 23A of working hole control appliance; water flows to the C chamber of fluid power cylinder through hydraulic control one-way valve C; this moment, the C chamber was for coming water cavity; and the B chamber is communicated with low pressure well P1 by hydraulic control one-way valve B; this moment, the B chamber was a low pressure chamber; the A chamber; D chamber and one-level pumping plant P are in connected state always; this moment, the pressure sum in the C chamber that is subjected to of piston and A chamber was subjected to pressure from D chamber and B chamber greater than piston; piston promptly moves right; along with moving of piston; the pressure in D chamber increases; the pump water pressure 15-20MPa of common one-level pumping plant confession; the pressure in D chamber can increase to pump water pressure 1-1.5 doubly usually; when this pressure during greater than the pressure of high-pressure well P2; the water in D chamber will inject high-pressure well P2 by output one way valve 22D; this moment, the B chamber was a low pressure chamber; its hydraulic pressure is generally 0-0.5 times of pump water pressure; the water in B chamber then injects low pressure well P1; be close to the end in D chamber when right piston; arrive end, D chamber set near switch 14B the time; near switch 14B the signal of sensing is sent to the PCL controller; the PCL controller sends transfer order to guide's electronics ball valve of guide's equipment immediately; two electronics ball valves are the switch operating state immediately; the open and-shut mode of its oil drain passage and oil inlet passage switches immediately; make hydraulic control one-way valve B; C closes under the effect of oil circuit pressure; make hydraulic control one-way valve A; D opens; then this moment, the B chamber was communicated with the one-level pumping plant by the hydraulic control one-way valve A that opens; then the B chamber becomes and comes water cavity; the C chamber is communicated with low pressure well P1 by the hydraulic control one-way valve D that opens; then the C chamber becomes low pressure chamber; this moment, piston was promptly to oppositely moving; the water pressure in A chamber raises; the hydraulic pressure in A chamber is during greater than the pressure of high-pressure well; the water in A chamber injects high-pressure well by output one way valve 22A; the water in C chamber enters low pressure well P1 simultaneously; move to the end in A chamber when left piston; end, A chamber sense left piston near switch 14A the time; near switch 24 signal of sensing is sent to the PCL controller; the PCL controller sends transfer order to guide's electronics ball valve of guide's equipment immediately; two electronics ball valves are switch operating state once more immediately; piston is realized high-pressure well P2 and low pressure well P1 water filling simultaneously so repeatedly just again to oppositely moving.
Claims (6)
1. waterpower automatic pressure regulating device, comprise water injection equipment, fluid power cylinder, oil circuit control appliance and PCL controller, described fluid power cylinder comprises left cylinder barrel and the right cylinder barrel that is connected by connector, be provided with the connecting rod that two ends have piston in the fluid power cylinder, piston, connecting rod and connector are divided into A chamber, B chamber, C chamber, four working chambers in D chamber with left cylinder barrel and right cylinder barrel, and described each working chamber is respectively equipped with A mouth, B mouth, C mouth, four intake-outlets of D mouth; Described water injection equipment comprises one-level pumping plant, working hole control appliance, high-pressure well and low pressure well, described working hole control appliance comprises water inlet, the B working hole, C working hole and delivery port, described water inlet is connected with the one-level pumping plant, described B working hole is connected with described B chamber, described C working hole is connected with described C chamber, described delivery port is connected with described low pressure well, described one-level pumping plant is connected with the D chamber with described A chamber respectively with D chamber input one way valve by A chamber input one way valve, and described A chamber is connected with high-pressure well with D chamber output one way valve by A chamber output one way valve respectively with the D chamber; Described oil circuit control appliance comprises working hole switch and guide's equipment, described working hole switch comprises four hydraulic control one-way valve A, B, C, D, described guide's equipment comprises guide's electronics ball valve A and the B that is connected with described PCL controller, described guide's electronics ball valve A and described hydraulic control one-way valve A, D connects, guide's electronics ball valve B and described hydraulic control one-way valve B, C connects, it is characterized in that, the two ends of described left cylinder barrel and right cylinder barrel are respectively equipped with the left side that is connected with described PCL controller near switch and right near switch, described oil circuit control appliance also comprises oil pump and fuel tank, described oil pump is connected with the PCL controller, described oil pump is connected with described guide's equipment respectively with fuel tank, is provided with the oil transportation one way valve between oil pump and guide's equipment.
2. waterpower automatic pressure regulating device according to claim 1 is characterized in that: described guide's electronics ball valve A is provided with oil drain passage A and oil inlet passage A, and described guide's electronics ball valve B is provided with oil drain passage B and oil inlet passage B.
3. waterpower automatic pressure regulating device according to claim 1 is characterized in that: be provided with accumulator and pressure between described oil transportation one way valve and the guide's equipment and pass transmitter, described pressure passes transmitter and is connected with the PCL controller.
4. waterpower automatic pressure regulating device according to claim 1 is characterized in that: be provided with overflow valve between described oil transportation one way valve and the oil pump, described overflow valve is connected with fuel tank.
5. waterpower automatic pressure regulating device according to claim 3 is characterized in that: described accumulator is connected with fuel tank by grease interceptor.
6. waterpower automatic pressure regulating device according to claim 1 is characterized in that: the flange that is connected between described left cylinder barrel, right cylinder barrel and the described connector connects.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009202781151U CN201588618U (en) | 2009-12-14 | 2009-12-14 | Hydraulic automatic pressure regulating device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009202781151U CN201588618U (en) | 2009-12-14 | 2009-12-14 | Hydraulic automatic pressure regulating device |
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| Publication Number | Publication Date |
|---|---|
| CN201588618U true CN201588618U (en) | 2010-09-22 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2009202781151U Expired - Fee Related CN201588618U (en) | 2009-12-14 | 2009-12-14 | Hydraulic automatic pressure regulating device |
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| CN (1) | CN201588618U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
-
2009
- 2009-12-14 CN CN2009202781151U patent/CN201588618U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20100922 Termination date: 20161214 |