CN103498653A - Method for increasing petroleum oil and gas well pulsation gas wave oil and gas through one suit of devices - Google Patents
Method for increasing petroleum oil and gas well pulsation gas wave oil and gas through one suit of devices Download PDFInfo
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Abstract
The invention relates to a method for increasing petroleum oil and gas well pulsation gas wave oil and gas through one suit of devices. According to the solving scheme, a target value of the air pressure of a casing pipe is set in advance, when an oil pumping rod drives a piston of an oil-well pump to move upwards or downwards, an electric control valve communicated with a negative-pressure pulsation gas wave generation tank or a pressure pulsation gas wave generation tank is automatically controlled to open and close to pump natural gas in the casing pipe or fill certain-pressure natural gas into the casing pipe to form gas wave pulsation interference on oil and gas well production control conditions and generate pulsation gas waves consistent with the motion frequency of the piston of the oil-well pump, and accordingly the oil-water-gas balancing working condition technical parameters of an oil and gas well bottom can be slightly improved, the yield of low-yield oil, gas well oil and gas can be effectively improved, and the purpose of increasing yield is achieved. The method is achieved through operation of the devices, wherein the devices comprise the negative-pressure pulsation gas wave generation tank, the pressure pulsation gas wave generation tank, an air pressure generation device, a gas pipeline, the electric control valve, a measurement and control sensor, an electric cabinet and safety accessories.
Description
Technical field
The present invention relates to the control of a kind of petroleum vapour gas well gas of field of petroleum exploitation ripple cover and increase oily method.
Background technology
After conventional oil well drilling completion, for in can not blowing, the low oil production gas well, effectively way is recovered the oil by mechanical energy, generally adopt at present and take the oil pumper that sucker rod is transferring power-deep well oil pumping device (as Fig. 1), it mainly is comprised of oil pumper, oil well pump and sucker rod.Its operating principle is that the power shaft of reduction box passed to its high speed rotating motion by motor, driving output shaft, output shaft after jackshaft drives crank and does low-speed rotation, simultaneously, crank pulls the walking beam postbrachium to swing up and down by connecting rod, crossbeam, horse head swings up and down, drive sucker rod, piston pump, the well of pumping out.But, the number of oil production and gas production is subject to the Various Complex combined factors effects such as the submergence (pump sink the degree of depth below producing fluid level, its size equals pump setting depth and deducts fluid level depth of oil well), sleeve pipe gas pressure, shaft bottom liquid phase, gas-liquid equilibrium of geological condition, original formation pressure, oil property, air content, water content, structure of oil well, oil well pump structure and performance, pump closely related.At present, oil well method for increasing and measure are fallen over each other to study in state, inside and outside this field, the overwhelming majority is from improving the oil pumper operating efficiency, improve controllability, reduce energy consumption, adopting the high pressure water injection displacement of reservoir oil, the chemical displacement of reservoir oil, polymer flooding wet goods Method and process, the overwhelming majority is increased production to well, and the limit has been arrived in the research of its yield potential and excavation.Application number is the device that 200320131249.3 " ground negative pressure controlling units " disclose the auxiliary increase yields of oil and gas in a kind of ground, but its control range and adjustable type are very limited, can not control flexibly and adjust according to the actual condition of Oil/gas Well, simultaneously, the natural gas vacuum lines is longer, cylinder piston single-acting work, cause energy efficiency of equipment to reduce, the lubricated oil gas of the band of discharging by breather valve and piston leak the natural air of trace, bring serious problems to oil field production safety and environment pollution, and the frscturing amount is very limited.
Summary of the invention
In view of this, the present invention is under the prerequisite that does not change existing oil well geological condition and conventional pumping unit-deep well oil pumping apparatus structure and performance, increase oily method by designing the control of a kind of petroleum vapour well pulsation wave cover, purpose is effectively to improve the oil recovery gas production, evades the drawback of the auxiliary volume increase of existing known technology petroleum and gas resources.
To achieve these goals, solution of the present invention is:
The control of a kind of petroleum vapour well pulsation wave cover increases oily method, it is characterized in that, when Oil/gas Well sleeve pipe gas pressure, when presetting target pressure value, by following steps, realizes:
The first step: the natural gas in negative pressure pulsation wave generation tank is evacuated to negative pressure in advance;
Second step: when the piston pumping unit sucker rod drives up-stroke of piston or down stroke, automatic unlatching control operation by the electrically-controlled valve that is connected with negative pressure pulsation wave generation tank connectivity, extract the natural gas in the Oil/gas Well sleeve pipe, to Oil/gas Well, production is controlled operating mode and is formed the intervention of wave pulsating nature;
The 3rd step: the natural gas extracted in negative pressure pulsation wave generation tank is increased in the pressure-generating device discharge input pressure pulsation wave generation tank in oily device by the control of a kind of petroleum vapour well pulsation wave cover.
The control of described a kind of petroleum vapour well pulsation wave cover increases oily method, is further characterized in that, when Oil/gas Well sleeve pipe gas pressure, when presetting target pressure value, by following steps, realizes:
The first step: the natural gas supercharging in advance in pressure fluctuation wave generation tank, pressure is higher than Oil/gas Well sleeve pipe gas pressure;
Second step: when the piston pumping unit sucker rod drives downstroke or up stroke, automatic unlatching control operation by the electrically-controlled valve that is connected with pressure fluctuation wave generation tank connectivity, inject natural gas in the Oil/gas Well sleeve pipe, to Oil/gas Well, production is controlled operating mode and is formed the intervention of wave pulsating nature;
The control of described a kind of petroleum vapour well pulsation wave cover increases oily method, to increase oily device by the control of a kind of petroleum vapour well pulsation wave cover to complete, this device comprises negative pressure pulsation wave generation tank, pressure fluctuation wave generation tank, pressure generator, air pipe, electrically-controlled valve, the observing and controlling sensor, collection control case and safety attachment etc., pressure generator is by the air pipe rigid connecting the connected ripple generation tank of taking offence of promoting blood circulation, pulsation wave generation tank outer ring surface connectivity is connected with electrically-controlled valve, safety attachment and observing and controlling sensor, the electrically-controlled valve other end connects the Oil/gas Well sleeve pipe and connects by air pipe, the aperture of electrically-controlled valve is adjustable.
The control of described a kind of petroleum vapour well pulsation wave cover increases oily method, comprise the pressure generator by the drive unit drives of known technology, described pressure generator comprises by the gas piston rod be connected with driver element, the gas piston, the gas piston/cylinder, and jointly formed by negative pressure gas one way valve group, pressure gas one way valve group, negative pressure air pipe, pressure gas pipeline etc.; Described gas piston/cylinder is the cavity of a sealing, and gas piston slip cap is loaded in the gas piston/cylinder, and gas piston rod one end and gas piston are rigidly connected, and the other end is connected with described driver element.
Described negative pressure gas one way valve group is placed in respectively gas piston/cylinder both ends and connectivity is rigidly connected, and pressure gas one way valve group is placed in respectively gas piston/cylinder both ends and connectivity is rigidly connected, and every group of negative pressure gas one way valve group is connected with negative pressure air pipe connectivity again; Every group of pressure gas one way valve group is connected with pressure gas pipeline connectivity again.
The control of described a kind of petroleum vapour well pulsation wave cover increases oily method, it is characterized in that: a negative pressure pulsation wave generation tank that is negative pressure can be set, or negative pressure pulsation wave generation tank and the pressure fluctuation wave generation tank that is malleation are set simultaneously; Wherein negative pressure pulsation wave generation tank connects described negative one-way valve group by negative pressure air pipe connectivity, and pressure fluctuation wave generation tank connects described pressure check valve group by pressure gas pipeline connectivity.
Described driving mechanism comprises the high-voltage oil cylinder of sealing, oily piston and oily piston rod, oily one way valve group and hydraulic oil pipeline, hydraulic control box, hydraulic power unit; Same Metallic rod of gas piston leverage of described oily piston rod and described pressure generator, or connect by bindiny mechanism's straight line.
Described driving mechanism comprises the crank-link mechanism by motor driving, it is characterized in that: described linkage is connected with the gas piston rod by a rail slider, rail slider other end articulated linkage mechanism, perhaps rail slider is by middle leverage articulated linkage mechanism, described rail slider and the track suit that slides.
Described pressure generator is the natural gas vaccum-pumping equipment of a set of known technology routinely, or the gas compressor set of a set of known technology routinely, perhaps configure a set of above natural gas vaccum-pumping equipment and a set of above gas compressor set co-operation simultaneously, the intake of natural gas vaccum-pumping equipment is connected with described negative pressure air pipe connectivity, and outlet opening is connected with described pressure gas pipeline connectivity; Equally, the intake of gas compressor set is connected with described negative pressure air pipe connectivity, and outlet opening is connected with described pressure gas pipeline connectivity; Described negative pressure air pipe other end connectivity connects described negative pressure pulsation wave generation tank, and described pressure gas pipeline connectivity connects described pressure fluctuation wave generation tank.
Described driving mechanism and pressure generator are integrated connection and are arranged in a prying body structure, perhaps driving mechanism and pressure generator can many cover dies blocking design integral installation in same prying body structure, control the oily production operation of increasing of many mouthfuls of Oil/gas Wells simultaneously.
The electrically-controlled valve that between described negative pressure pulsation wave generation tank and Oil/gas Well sleeve pipe, connectivity is connected, the electrically-controlled valve that perhaps between described pressure fluctuation wave generation tank and natural gas recovery channel, connectivity is connected, and with the Oil/gas Well sleeve pipe between the electrically-controlled valve that is connected of connectivity, its switching motion, aperture are subject to the electric control box centralized Control, and control signal is collected in the upper and lower stroke position measure and control sensor position signal of Oil/gas Well piston type oil well pump and is installed on the air pressure signal on the pressure testing and controlling sensor on each air pipe.
After adopting the control of above-mentioned a kind of petroleum vapour well pulsation wave cover to increase oily method, there is following beneficial effect: 1, in Oil/gas Well ground oil pumper promotes the oil pump piston process by sucker rod, utilize electric control box to control the electrically-controlled valve connected on negative pressure pulsation wave generation tank, start the natural gas in controlled extraction Oil/gas Well sleeve pipe, can suitably reduce oil well pump and lift the oil load, reach energy-conservation purpose; 2, can appropriate affect the equilibrium state of Oil/gas Well spirit, liquid two-phase medium by this pulsed gas decompression wave, increase the crude oil medium in institute's water filling or migration amount or infiltration capacity in the chemical polymerization thing, and be gathered in oil well pump import department, in promoting the equal volume oil water mixture, oil content increases obviously; 3, in the controlled suction oil well casing of apparatus of the present invention natural gas, its pressure generator pressure gas one way valve group is opened simultaneously in pressure fluctuation wave generation tank and is discharged natural gas, constantly increase the gas pressure of assembling in pulsation wave generation tank, can suitably reduce the content of natural gas in the crude oil of institute's extraction, improve the mobility of crude oil in gathering line, improve the defeated efficiency of collection.4, at Oil/gas Well ground beam-pumping unit sucker rod, drive in oil pump piston decline process, the electrically-controlled valve connected on the negative pressure pulsation wave generation tank of apparatus of the present invention is closed immediately, stop extracting the oil well casing natural gas, but being sent into to the pressure fluctuation wave by pressure gas one way valve group, the natural gas extracted in the gas piston/cylinder of pressure generator fills with, realize effective recovery and the build-up of pressure of natural gas, for future use; When 5, in the Oil/gas Well sleeve pipe, gas pressure is low, when Oil/gas Well ground beam-pumping unit sucker rod drives in oil pump piston decline process, with the electrically-controlled valve that pressure fluctuation wave generation filling connectivity is connected, will open, wherein the natural gas of certain pressure re-enters in the Oil/gas Well sleeve pipe, continue to form pulsed gas supercharging ripple, disturb Oil/gas Well spirit liquid equilibrium, appropriateness improves saturation pressure, increase crude oil in institute's injected water or migration rate of infiltration and content in the chemical polymerization thing, improve oil recovery factor; 6, at the ground beam-pumping unit sucker rod, drive in oil pump piston decline process, high-pressure natural gas during the pressure fluctuation wave is filled with re-enters in the Oil/gas Well sleeve pipe, this pulsation supercharging ripple can appropriateness increase extra pressure to the oil pump piston descended, alleviate the ground pumping unit load, energy conservation.7, the electrically-controlled valve be connected with pressure fluctuation wave generation tank connectivity with negative pressure pulsation wave generation tank, the capable of regulating aperture, regulate arbitrarily, control the amount of natural gas extracted in oil well casing, realize the petroleum and gas resources stimulation work that purpose is arranged, target is arranged, overcome blindness; In addition, the control of a kind of petroleum vapour well pulsation wave cover increases a kind of petroleum vapour well pulsation wave cover control that oily method adopts and increases oily device, and its pressure generator is hermetically sealed to be manufactured and designed, with atmospheric isolation, the gas piston is double acting work simultaneously, has improved frscturing operation efficiency.
The accompanying drawing explanation:
Fig. 1 is the present invention's tradition oil pumper-deep well pump apparatus structure schematic diagram;
In figure:
The 1-standing valve, 2-piston, 3-oil pipe, 4-sucker rod, the 5-sleeve pipe, the threeway of 6-sleeve pipe, 7-flange, the threeway of 8-oil pipe, the 9-polished rod seal box, 10-sleeve gate, 11-casing pressure table, 12-back-pressure gate, the 13-oil pressure gauge, 14-produces gate, 15-polished rod eye, the 16-horse head, 17-middle (center) bearing, 18-connecting rod, the 19-crank, 20-reducer, 21-motor.
Fig. 2: a kind of petroleum vapour well pulsation wave cover control driven with hydraulic jack for the present invention increases oily apparatus structure schematic diagram;
In figure: the 300-pressure generator is by 31,32, and 33,34,341,35,36,37 sequence number corresponding components form;
The 400-driving mechanism is by 33,42, and 43,44,45,46,47,48,49 sequence number corresponding components form.
Sequence number corresponding component title annotation is as follows:
31-gas piston/cylinder, 32-gas piston, 33-gas piston rod (oily piston rod), 34-negative pressure gas one way valve group, 341-pressure gas one way valve group, 35-negative pressure air pipe, 36-pressure gas pipeline, the 37-body that is tightly connected, 38-negative pressure pulsation wave generation tank, the 40-electrically-controlled valve, 41-natural gas recovery channel, 42-oil piston, 43-hydraulic oil pipeline, the 44-return line, the 45-hydraulic control box, the 46-hydraulic power unit, 47-oil one way valve group, the 48-high-voltage oil cylinder, the 49-electric control box, 81-position measure and control sensor, 82-pressure testing and controlling sensor, 381-pressure fluctuation wave generation tank, the 40-electrically-controlled valve, the 401-electrically-controlled valve, the 404-electrically-controlled valve, the 110-Oil/gas Well, the 111-Oil/gas Well, the 112-Oil/gas Well, 331-gas piston rod.
Fig. 3: a kind of petroleum vapour well pulsation wave cover control driven with crank-link mechanism for the present invention increases oily apparatus structure schematic diagram;
In figure: the corresponding sequence number of 300-pressure generator building block is constant, and each sequence number corresponding component title annotation is constant:
The 400-driving mechanism is by 50,51, and 52,53,54 sequence number corresponding components form.
Sequence number corresponding component title annotation is as follows:
The 50-track, 51-rail slider, 52-crank connecting link, 53-crank, 54-motor for speed reducer.
Fig. 4: control the structural principle schematic diagram of Oil/gas Well more than two mouthfuls for the present invention with a set of the design's device;
In figure: the sequence number of 300-pressure generator, 400-driving mechanism building block is constant, and each sequence number corresponding component title annotation is constant; Increase the corresponding title annotation of parts sequence number as follows:
40,401,402,403,404,405,406 electrically-controlled valve that all refer to be arranged on different parts.
The specific embodiment
In order further to explain technical scheme of the present invention, below by specific embodiment, the present invention will be described in detail.
Embodiment mono-:
As shown in Figure 1 and Figure 2, a kind of petroleum vapour well pulsation wave cover control in this embodiment increases oily device, and described pressure generator 300 is comprised of gas piston 32, the rigidly connected gas piston rod 331 of gas piston and gas piston/cylinder 31, negative pressure gas one way valve group 34, pressure gas one way valve group 341, negative pressure air pipe 35, pressure gas pipeline 36, the body 37 that is tightly connected, it is characterized in that: gas piston/cylinder 31 is cavitys of a sealing, gas piston 32 slip caps are loaded in gas piston/cylinder 31, gas piston rod 33 is rigidly connected with gas piston 32, negative pressure gas one way valve group 34 is rigidly connected in respectively gas piston/cylinder 31 both ends and connects, every group of negative pressure gas one way valve group 34 other ends are threaded with negative pressure air pipe 41 again, negative pressure air pipe 41 is connected and connects with negative pressure pulsation wave generation tank 38 again, electrically-controlled valve 404 and safety attachment etc. are installed on negative pressure pulsation wave generation tank 38 and connect (not marking in figure) with inner chamber, electrically-controlled valve 404 is connected and connects with Oil/gas Well sleeve pipe 110 by the sealing pipeline.
In addition, pressure gas one way valve group 341 is rigidly connected in respectively gas piston/cylinder 31 both ends and connects, every group of pressure gas one way valve group 341 other ends are threaded with pressure gas pipeline 36 again, pressure gas pipeline 36 is connected and connects with pressure fluctuation wave generation tank 381 again, pressure fluctuation wave generation tank 381 outer ring surfaces are equipped with electrically-controlled valve 40, electrically-controlled valve 401 and safety attachment etc. also connect (not marking in figure) with its inner chamber, electrically-controlled valve 401 is connected with Oil/gas Well sleeve pipe 110 by the sealing pipeline, electrically-controlled valve 40 is connected with natural gas recovery channel 41 connectivities, electrically-controlled valve is provided with the mechanism of manual adjustments aperture and keying, by control circuit, with electric control box 49, be connected respectively.
By hydraulically powered a kind of petroleum vapour well pulsation wave cover, controlling and increasing oily device in this embodiment, driving mechanism 400 is by the high-voltage oil cylinder 48 of described sealing, oil piston 42 and oily piston rod 33, hydraulic oil pipeline 43, return line 44, hydraulic control box 45, oil one way valve group 47, hydraulic power unit 46 forms, it is characterized in that: high-voltage oil cylinder 48 is integrated design with the gas piston/cylinder 31 of pressure generator 300, both are rigidly connected by a sealed attachment body 37, wherein oily piston 42 sealings are slided and are assemblied in high-voltage oil cylinder 48, oil piston rod 33 be rigidly connected oily piston 42 and with the gas piston rod 331 of pressure generator 300 be same Metallic rod, perhaps both are rigidly connected, the oil one way valve group 47 1 ends high-voltage oil cylinder 48 that is rigidly connected, the other end connects hydraulic oil pipeline 43 simultaneously, and hydraulic oil pipeline 43 (comprising return line 44) is connected with hydraulic control box 45, the concentrated electric control box 49 that is controlled by that performs an action of hydraulic control box 45.
In this embodiment, it is such increasing the oily device course of work by the control of hydraulically powered a kind of petroleum vapour well pulsation wave cover: by the hydraulic oil medium of hydraulic power unit 46, after controlling distribution, hydraulic control box 45 enters high-pressure oil pipe road 43, back down the oily one way valve group 47 be rigidly connected on high-voltage oil cylinder 48 enter high-voltage oil cylinder 48 drive oily pistons 42 and oily piston rod 33 reciprocating, thereby drive with oily piston rod 33 Integral designs or rigidly connected gas piston rod 331 reciprocating with gas piston 32, the switching motion of collaborative negative pressure gas one way valve group 34 and pressure gas one way valve group 341, constantly aspirate the natural gas in negative pressure pulsation wave generation tank 38, progressively form the negative pressure operating mode, again the natural gas of suction is sent in pressure fluctuation wave generation tank 381 by pressure gas one way valve group 341 simultaneously.When the sucker rod 4 on the oil pumper of ground upwards promotes oil pump piston, the position measure and control sensor 81 be mounted thereon sends signal to electric control box 49, moment opens electrically-controlled valve 404 and extract natural gas in oil well casing, when the sucker rod 4 on the oil pumper of ground resets oil pump piston downwards, the position measure and control sensor 81 be mounted thereon sends signal to electric control box 49, electrically-controlled valve 404 closes, so form a negative pressure pulsation ripple, can suitably reduce oil well pump and lift the oil load, reach energy-conservation purpose, can appropriateness affect the Oil/gas Well spirit by this pulsed gas decompression wave, the equilibrium state of liquid two-phase medium, increase the crude oil medium in institute's water filling or migration amount or infiltration capacity in the chemical polymerization thing, and be gathered in oil well pump import department, in promoting the equal volume oil water mixture, oil content increases obviously, in this process, when improving crude output, reduced the content of natural gas in crude oil, after crude oil enters gathering line, gas phase media reduces, can suitably improve liquidity, improve the mixed defeated efficiency of liquid phase, realize the crude oil volume increase.
In addition, in the reciprocating process of gas piston 32 of pressure generator 300, constantly will be in the switching motion input pressure pulsation wave generation tank 381 of natural gas by pressure gas one way valve group 341 of negative pressure pulsation wave generation tank 38 interior extractions, pressure in the Oil/gas Well sleeve pipe is when presetting standard value, send signal by being installed on the pressure testing and controlling sensor 82 on Oil/gas Well cover pipe connected pipe and the position measure and control sensor 81 be installed on sucker rod 4 to electric control box 49 simultaneously, thereby controlling electrically-controlled valve 40 closes, electrically-controlled valve 401 is opened and is formed pulsed gas supercharging ripple, disturb Oil/gas Well spirit liquid equilibrium, trace affects producing fluid level, increase crude oil in institute's injected water or migration rate of infiltration and content in the chemical polymerization thing, improve oil recovery factor.Simultaneously, this pulsation supercharging ripple can appropriateness increase extra pressure to the oil pump piston descended, and alleviates the ground pumping unit load, energy conservation.
If the gas pressure in Oil/gas Well 110 sleeve pipes is when presetting standard value, send signal by being installed on the pressure testing and controlling sensor 82 on Oil/gas Well cover pipe connected pipe and the position measure and control sensor 81 be installed on sucker rod 4 to electric control box 49 simultaneously, thereby control, electrically-controlled valve 40 is opened, electrically-controlled valve 401 is closed, to transport gas in natural gas recovery channel 41, realize effectively reclaiming the natural gas purpose.
In this embodiment, the control of above-mentioned a kind of petroleum vapour well pulsation wave cover increases the oily device course of work, can also carry out rightabout operation control according to reality of work industrial and mineral and the observation and control technology data of Oil/gas Well 110, can improve equally the oil and gas production of this Oil/gas Well.
Utilizing this embodiment to increase oily device in a kind of petroleum vapour well pulsation wave cover control of certain oil extraction in oil field two factory installs the actual motion beneficial effect statistics contrast table of 18 days from November 6th, 2012 and takes passages as shown in table 1 below.
Embodiment bis-:
As Fig. 3: a kind of petroleum vapour well pulsation wave cover control in this embodiment increases oily device, its pressure generator 300 operating principles, and with negative pressure pulsation wave generation tank 38, the type of attachment of pressure fluctuation wave generation tank 381 is all identical with embodiment mono-, difference is the crank-link mechanism that described driving mechanism 400 is driven by described motor reducer 54, its formation has: motor reducer 54, crank 53, crank connecting link 52, rail slider 51, track 50, wherein, crank 53 motor reducer 54 that is rigidly connected, the crank connecting link 52 major parts crank 53 that is rotatably connected, crank connecting link 52 microcephalies are movably hinged rail slider 51, rail slider 51 slidable fit are on track 50, gas piston rod 331 is rigidly connected with rail slider 51.The course of work of driving mechanism 400 is: when motor reducer 54 drivings are attached thereto crank 53 rotation connect, drive the crank connecting link 52 be articulated and connected with it and make the circular swing motion stretching motion, drive rail slider 51 reciprocating along track 50, with the gas piston rod 331 of the rigidly connected pressure generator 300 of rail slider 51, be with the piston 32 of taking offence reciprocating, complete the course of work of whole device.
Table 1:2012 November 6 installed the actual motion beneficial effect data statistics contrast table of 18 days (oil production method is for pumping)
Embodiment tri-:
As shown in Figure 4, a kind of petroleum vapour well pulsation wave cover control in this embodiment increases oily device, its operating principle, type of drive, syndeton are all identical with embodiment mono-, difference is that single cover apparatus of the present invention are controlled Oil/gas Well work more than two mouthfuls, realizes that many mouthfuls of Oil/gas Wells increase production the petroleum and gas resources purpose simultaneously.In this embodiment, negative pressure pulsation wave generation tank 38 outer ring surface correct position rigidity are installed two above electrically-controlled valve 404, electrically-controlled valve 405, electrically-controlled valve 406, again by the sealing pipeline respectively with Oil/gas Well 110, Oil/gas Well 111, Oil/gas Well 112,,,,,, bobbin seal is connected; Pressure fluctuation gas
give birth to tank 381 outer shroud correct positions except electrically-controlled valve 40 is installed, two above electrically-controlled valve 401, electrically-controlled valve 402, electrically-controlled valve 403 also are installed, by pressure piping, with Oil/gas Well 110, Oil/gas Well 111, Oil/gas Well 112 bobbins seal, be connected respectively again, electrically-controlled valve 40 is connected with 41 sealings of natural gas recovery channel, all electrically-controlled valve are equipped with manual opening-closing mechanism and opening adjustment mechanism, and the concentrated electric control box 49 that is controlled by.
In this embodiment to increase the oily device course of work by the control of hydraulically powered a kind of petroleum vapour well pulsation wave cover be such: by the hydraulic oil medium of hydraulic power unit 46 outputs, after controlling distribution, hydraulic control box 45 enters high-pressure oil pipe road 43, back down the oily one way valve group 47 be rigidly connected on high-voltage oil cylinder 48 enter high-voltage oil cylinder 48 drive oily pistons 42 and oily piston rod 33 reciprocating, thereby drive with oily piston rod 33 Integral designs or rigidly connected gas piston rod 331 reciprocating with gas piston 32, the switching motion of collaborative negative pressure gas one way valve group 34, constantly aspirate the natural gas in negative pressure pulsation wave generation tank 38, progressively form the negative pressure operating mode, again the natural gas of suction is sent into to pressure fluctuation wave generation tank 381 by pressure gas one way valve group 341 simultaneously, when the sucker rod 4 on each oil pumper of ground upwards promotes oil pump piston, the position measure and control sensor 81 be mounted thereon, position measure and control sensor 811, position measure and control sensor 812 sends signal to electric control box 49, follow procedure moment unlatching electrically-controlled valve 404 or electrically-controlled valve 405 or electrically-controlled valve 406 extract natural gas in Oil/gas Well 110 or Oil/gas Well 111 or Oil/gas Well 112 sleeve pipes, when the sucker rod 4 on the oil pumper of ground resets oil pump piston downwards, the position measure and control sensor 81 be mounted thereon, position measure and control sensor 811, position measure and control sensor 812 sends signal to electric control box 49, electrically-controlled valve 404 or electrically-controlled valve 405 or electrically-controlled valve 406 close, so form a negative pressure pulsation ripple, can suitably reduce oil well pump and lift the oil load, reach energy-conservation purpose, also can appropriateness affect the Oil/gas Well spirit by this pulsed gas decompression wave, the equilibrium state of liquid two-phase medium, increase the crude oil medium in institute's water filling or migration amount or infiltration capacity in the chemical polymerization thing, and be gathered in oil well pump import department, in promoting the equal volume oil water mixture, oil content increases obviously, in this process, when improving crude output, reduced the content of natural gas in crude oil, after crude oil enters gathering line, gas phase media reduces, can suitably improve liquidity, improve the mixed defeated efficiency of liquid phase, realize the crude oil volume increase.
In addition, in the reciprocating process of gas piston 32 of pressure generator 300, the natural gas that constantly will extract from negative pressure pulsation wave generation tank 38 is sent in pressure fluctuation wave generation tank 381 by the switching motion of pressure gas one way valve group 341, form certain pressure, pressure in Oil/gas Well 110 or Oil/gas Well 111 or Oil/gas Well 112 sleeve pipes is when presetting standard value, when the sucker rod 4 on the oil pumper of ground resets oil pump piston downwards, by the pressure testing and controlling sensor 82 be installed on Oil/gas Well cover pipe connected pipe, pressure testing and controlling sensor 821, pressure testing and controlling sensor 822 and be installed on the position measure and control sensor 81 on sucker rod 4, position measure and control sensor 811, position measure and control sensor 812 sends signal to electric control box 39 simultaneously, thereby controlling electrically-controlled valve 40 closes, control electrically-controlled valve 401 or electrically-controlled valve 402 or electrically-controlled valve 403 simultaneously and open formation pulsed gas supercharging ripple, disturb every a bite Oil/gas Well spirit liquid equilibrium, trace affects producing fluid level, increase crude oil in institute's injected water or migration rate of infiltration and content in the chemical polymerization thing, improve oil recovery factor.Simultaneously, this pulsation supercharging ripple can appropriateness increase extra pressure to the oil pump piston descended, and alleviates the ground pumping unit load, energy conservation.
If the sky in any which mouthful Oil/gas Well sleeve pipe
pressure is when presetting standard value, by the pressure testing and controlling sensor 82 or pressure testing and controlling sensor 821 or the pressure testing and controlling sensor 822 that are installed on corresponding Oil/gas Well cover pipe connected pipe, and the corresponding position measure and control sensor 81 on sucker rod 4 or position measure and control sensor 811 or position measure and control sensor 812 of being installed on sends signal to electric control box 39 simultaneously, thereby the electrically-controlled valve 404 of corresponding this mouthful of Oil/gas Well of control or electrically-controlled valve 405 or electrically-controlled valve 406 are closed, no longer in this mouthful of Oil/gas Well sleeve pipe, input natural gas, but control other corresponding electrically-controlled valve, open and close, natural gas to other casing pressure lower than input pressure fluctuation meter in the Oil/gas Well sleeve pipe that presets standard value, perhaps controlling electrically-controlled valve 40 opens, to transport gas in natural gas recovery channel 41, effectively reclaim natural gas.
Above-described embodiment and accompanying drawing non-limiting product form of the present invention and style, suitable variation or modification that any person of an ordinary skill in the technical field does it, all should be considered as not breaking away from patent category of the present invention.
Claims (10)
1. the control of petroleum vapour well pulsation wave cover increases oily method, it is characterized in that, when Oil/gas Well sleeve pipe gas pressure, when presetting target pressure value, by following steps, realizes:
The first step: the natural gas in negative pressure pulsation wave generation tank is evacuated to negative pressure in advance;
Second step: when the piston pumping unit sucker rod drives up-stroke of piston or down stroke, automatic unlatching control operation by the electrically-controlled valve that is connected with negative pressure pulsation wave generation tank connectivity, extract the natural gas in the Oil/gas Well sleeve pipe, to Oil/gas Well, production is controlled operating mode and is formed the intervention of wave pulsating nature;
The 3rd step: the natural gas extracted in negative pressure pulsation wave generation tank is increased in the pressure-generating device discharge input pressure pulsation wave generation tank in oily device by the control of a kind of petroleum vapour well pulsation wave cover.
2. a kind of petroleum vapour well pulsation wave cover as claimed in claim 1 control increases oily method, it is characterized in that, when Oil/gas Well sleeve pipe gas pressure, when presetting target pressure value, by following steps, realizes:
The first step: the natural gas supercharging in advance in pressure fluctuation wave generation tank, pressure is higher than Oil/gas Well sleeve pipe gas pressure;
Second step: when the piston pumping unit sucker rod drives downstroke or up stroke, automatic unlatching control operation by the electrically-controlled valve that is connected with pressure fluctuation wave generation tank connectivity, inject natural gas in the Oil/gas Well sleeve pipe, to Oil/gas Well, production is controlled operating mode and is formed the intervention of wave pulsating nature.
3. increase oily method as claim 1 or the control of the described a kind of petroleum vapour well pulsation of 2 any one claims wave cover, it is characterized in that: increase oily device by the control of a kind of petroleum vapour well pulsation wave cover and complete, this device comprises negative pressure pulsation wave generation tank, pressure fluctuation wave generation tank, pressure generator, air pipe, electrically-controlled valve, the observing and controlling sensor, collection control case and safety attachment etc., pressure generator is by the air pipe rigid connecting the connected ripple generation tank of taking offence of promoting blood circulation, pulsation wave generation tank outer ring surface connectivity is connected with electrically-controlled valve, safety attachment and observing and controlling sensor, the electrically-controlled valve other end connects the Oil/gas Well sleeve pipe and connects by air pipe, the aperture of electrically-controlled valve is adjustable.
4. a kind of petroleum vapour well pulsation wave cover as claimed in claim 3 control increases oily method, comprise the pressure generator by the drive unit drives of known technology, it is characterized in that: described pressure generator comprises by the gas piston rod be connected with driver element, the gas piston, the gas piston/cylinder, and jointly formed by negative pressure gas one way valve group, pressure gas one way valve group, negative pressure air pipe, pressure gas pipeline etc.; Described gas piston/cylinder is the cavity of a sealing, and gas piston slip cap is loaded in the gas piston/cylinder, and gas piston rod one end and gas piston are rigidly connected, and the other end is connected with described driver element.
Described negative pressure gas one way valve group is placed in respectively gas piston/cylinder both ends and connectivity is rigidly connected, and pressure gas one way valve group is placed in respectively gas piston/cylinder both ends and connectivity is rigidly connected, and every group of negative pressure gas one way valve group is connected with negative pressure air pipe connectivity again; Every group of pressure gas one way valve group is connected with pressure gas pipeline connectivity again.
5. a kind of petroleum vapour well pulsation wave cover as claimed in claim 3 control increases oily method, it is characterized in that: a negative pressure pulsation wave generation tank that is negative pressure can be set, or negative pressure pulsation wave generation tank and the pressure fluctuation wave generation tank that is malleation are set simultaneously; Wherein negative pressure pulsation wave generation tank connects described negative one-way valve group by negative pressure air pipe connectivity, and pressure fluctuation wave generation tank connects described pressure check valve group by pressure gas pipeline connectivity.
6. a kind of petroleum vapour well pulsation wave cover as claimed in claim 3 control increases oily method, it is characterized in that: described driving mechanism comprises the high-voltage oil cylinder of sealing, oily piston and oily piston rod, oily one way valve group and hydraulic oil pipeline, hydraulic control box, hydraulic power unit;
Be further characterized in that: same Metallic rod of gas piston leverage of described oily piston rod and described pressure generator, or connect by bindiny mechanism's straight line.
7. a kind of petroleum vapour well pulsation wave cover as claimed in claim 3 control increases oily method, described driving mechanism comprises the crank-link mechanism by motor driving, it is characterized in that: described linkage is connected with the gas piston rod by a rail slider, rail slider other end articulated linkage mechanism, perhaps rail slider is by middle leverage articulated linkage mechanism, described rail slider and the track suit that slides.
8. a kind of petroleum vapour well pulsation wave cover as claimed in claim 3 control increases oily method, it is characterized in that: described pressure generator is the natural gas vaccum-pumping equipment of a set of known technology routinely, or the gas compressor set of a set of known technology routinely, perhaps configure a set of above natural gas vaccum-pumping equipment and a set of above gas compressor set co-operation simultaneously, the intake of natural gas vaccum-pumping equipment is connected with described negative pressure air pipe connectivity, and outlet opening is connected with described pressure gas pipeline connectivity; Equally, the intake of gas compressor set is connected with described negative pressure air pipe connectivity, and outlet opening is connected with described pressure gas pipeline connectivity; Described negative pressure air pipe other end connectivity connects described negative pressure pulsation wave generation tank, and described pressure gas pipeline connectivity connects described pressure fluctuation wave generation tank.
9. increase oily method according to the control of the described a kind of petroleum vapour well pulsation wave cover of claim 3 to 7 any one claim, it is characterized in that: described driving mechanism and pressure generator are integrated connection and are arranged in a prying body structure, perhaps driving mechanism and pressure generator can many cover dies blocking design integral installation in same prying body structure, control the oily production operation of increasing of many mouthfuls of Oil/gas Wells simultaneously.
10. increase oily method according to the control of the described a kind of petroleum vapour well pulsation wave cover of claim 3 to 7 any one claim, it is characterized in that: the electrically-controlled valve that between described negative pressure pulsation wave generation tank and Oil/gas Well sleeve pipe, connectivity is connected, the electrically-controlled valve that perhaps between described pressure fluctuation wave generation tank and natural gas recovery channel, connectivity is connected, and with the Oil/gas Well sleeve pipe between the electrically-controlled valve that is connected of connectivity, its switching motion, aperture is subject to the electric control box centralized Control, control signal is collected in the upper of Oil/gas Well piston type oil well pump, down stroke position measure and control sensor position signal and be installed on the air pressure signal on the pressure testing and controlling sensor on each air pipe.
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| CN201310471819.1A CN103498653A (en) | 2013-10-11 | 2013-10-11 | Method for increasing petroleum oil and gas well pulsation gas wave oil and gas through one suit of devices |
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| CN201310471819.1A CN103498653A (en) | 2013-10-11 | 2013-10-11 | Method for increasing petroleum oil and gas well pulsation gas wave oil and gas through one suit of devices |
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| CN103498653A true CN103498653A (en) | 2014-01-08 |
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| CN115142819A (en) * | 2022-06-09 | 2022-10-04 | 上海工程技术大学 | Electro-hydraulic combined driving pressurization discharge device and discharge method for associated gas in petroleum well |
| WO2024077217A1 (en) * | 2022-10-06 | 2024-04-11 | Championx Llc | Apparatus for pumping suspended polymer liquid |
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