CN108756824B - Aqueous well grease divides device for picking and aqueous well grease to divide mining method - Google Patents
Aqueous well grease divides device for picking and aqueous well grease to divide mining method Download PDFInfo
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- CN108756824B CN108756824B CN201810537256.4A CN201810537256A CN108756824B CN 108756824 B CN108756824 B CN 108756824B CN 201810537256 A CN201810537256 A CN 201810537256A CN 108756824 B CN108756824 B CN 108756824B
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- pump
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- 239000004519 grease Substances 0.000 title claims abstract description 65
- 238000000034 method Methods 0.000 title claims abstract description 16
- 238000005065 mining Methods 0.000 title claims abstract description 14
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 90
- 239000007788 liquid Substances 0.000 claims abstract description 47
- 108091006146 Channels Proteins 0.000 claims abstract description 36
- 102000010637 Aquaporins Human genes 0.000 claims abstract description 24
- 108010063290 Aquaporins Proteins 0.000 claims abstract description 23
- 238000000926 separation method Methods 0.000 claims abstract description 9
- 239000003673 groundwater Substances 0.000 claims description 5
- 239000002352 surface water Substances 0.000 claims description 2
- 239000003921 oil Substances 0.000 abstract description 162
- 238000005265 energy consumption Methods 0.000 abstract description 12
- 230000000694 effects Effects 0.000 abstract description 11
- 239000003129 oil well Substances 0.000 abstract description 11
- 239000003795 chemical substances by application Substances 0.000 abstract description 10
- 230000009467 reduction Effects 0.000 abstract description 7
- 239000000295 fuel oil Substances 0.000 abstract description 6
- 238000010348 incorporation Methods 0.000 abstract description 5
- 238000004519 manufacturing process Methods 0.000 abstract description 5
- 239000000126 substance Substances 0.000 abstract description 4
- 238000005086 pumping Methods 0.000 description 8
- 239000010779 crude oil Substances 0.000 description 5
- 238000010586 diagram Methods 0.000 description 4
- 230000008901 benefit Effects 0.000 description 3
- 239000002569 water oil cream Substances 0.000 description 3
- 239000002349 well water Substances 0.000 description 3
- 235000020681 well water Nutrition 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 238000011084 recovery Methods 0.000 description 2
- 230000009471 action Effects 0.000 description 1
- 238000013019 agitation Methods 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000000605 extraction Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
- 230000000630 rising effect Effects 0.000 description 1
- 238000005507 spraying Methods 0.000 description 1
- 238000003756 stirring Methods 0.000 description 1
Classifications
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21B—EARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B43/00—Methods or apparatus for obtaining oil, gas, water, soluble or meltable materials or a slurry of minerals from wells
- E21B43/12—Methods or apparatus for controlling the flow of the obtained fluid to or in wells
- E21B43/121—Lifting well fluids
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21B—EARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B43/00—Methods or apparatus for obtaining oil, gas, water, soluble or meltable materials or a slurry of minerals from wells
- E21B43/34—Arrangements for separating materials produced by the well
- E21B43/38—Arrangements for separating materials produced by the well in the well
Landscapes
- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Geology (AREA)
- Mining & Mineral Resources (AREA)
- Physics & Mathematics (AREA)
- Environmental & Geological Engineering (AREA)
- Fluid Mechanics (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Details Of Reciprocating Pumps (AREA)
Abstract
The invention discloses a kind of aqueous well greases to divide device for picking, comprising: oil pipe；Water-oil separating cylinder, set on the lower part of oil pipe, for the separation of grease, with oil passage and aquaporin；Grease separate extracting pump, the upper end is connect with oil pipe, lower end is connect with water-oil separating cylinder, the grease separate extracting pump has oil liquid suction channel and water suction channel, oil liquid suction channel is connected to oil passage, water suction channel is connected to aquaporin, which passes through oil liquid suction channel respectively and oil liquid and water are drawn on ground by water suction channel；Hollow rod, for driving water-oil separating pump to do up-down stroke movement, from the separation and suction for completing oil liquid and water.This, which divides device for picking can reach, reduces mixing light oil amount to heavy oil wells or reduces incorporation chemical viscosity reduction agent dosage, while reaching drop energy consumption；Thin oil well, which is realized, to be reduced treatment agent, reduces energy consumption effect.In this way, reducing production cost, productivity effect is improved.The invention further relates to a kind of aqueous well greases to divide mining method.
Description
Technical field
The present invention relates to oil-gas mining technical fields more particularly to a kind of aqueous well grease to divide device for picking and wet oil
Well grease divides mining method.
Background technique
In the prior art, with the exploitation in oil field, aqueous rising, oil well stop-spraying, mainly using sucker rod pump mechanical oil recovery side
Formula is produced, and grease mixes be plucked out of simultaneously, enters multi-purpose station processing system together.
But aqueous very big to oil recovery Influence of production: 1. heavy oil wells exploitation mainly mixes thin oil in underground using from annular space
Ground is produced by oil well pump with after viscous crude mixing viscosity reduction, after well water, since water also occupies thin oil, unit viscous crude is caused to produce
Amount occupies thin oil amount and increases, and aqueous higher unit heavy oil production occupancy thin oil numerical quantity is bigger, and thin oil price is mixed after being greater than mixing
The price for closing oil, causes economic benefit to decline.Simultaneously because output water and crude oil pass through oil well pump and sucker rod in extraction process
Agitation, causes oil-water emulsion serious, and pumping unit load becomes larger, into processing system after increase demulsifier dosage, while increasing connection
Close station processing energy consumption；2. thin oil well is using beam hanger pump exploitation, due to output water and crude oil passes through oil well pump and sucker rod stirs
Promote oil-water emulsion, cause oil-water emulsion serious, pumping unit load becomes larger, into processing system after increase demulsifier dosage,
Increase multi-purpose station processing energy consumption simultaneously.It increases cost, reduce benefit.
Summary of the invention
In view of this, the present invention, which provides one kind, can reduce cost, the aqueous well grease point for improving productivity effect adopts dress
It sets and aqueous well grease divides mining method, to solve problems of the prior art.
According to the first aspect of the invention, a kind of aqueous well grease is provided and divides device for picking, comprising:
Oil pipe；
Water-oil separating cylinder, set on the lower part of oil pipe, for the separation of grease, with oil passage and aquaporin；
Grease separate extracting pump, the upper end are connect with oil pipe, and lower end is connect with water-oil separating cylinder, which has oil liquid
Suction channel and water suction channel, the oil liquid suction channel are connected to the oil passage, the water suction channel with it is described
Aquaporin connection, the grease separate extracting pump pass through oil liquid suction channel and water suction channel respectively and oil liquid and water are drawn into ground
On；
Hollow rod, for driving water-oil separating pump to do up-down stroke movement, from the separation and pumping for completing oil liquid and water
It inhales.
Preferably, the grease separate extracting pump includes the lateral oil inlet suction pump of diplopore plunger, intermediate connection tube and suction pump, institute
It states oil inlet suction pump and is connected with suction pump through the intermediate connection tube,
Wherein, the oil inlet suction pump is connected to the upper end of the intermediate connection tube, and the suction pump is connected in described
Between connecting tube lower end.
Preferably, the lateral oil inlet suction pump of the diplopore plunger includes big pump barrel, small pump barrel, big plunger and small plunger, institute
It states big pump barrel and small pump barrel is axially in turn connected into ladder tubular structure, the small plunger is connected to the end face of big plunger
On, stepped plunger structure is formed,
The oil inlet duct of a perforation big plunger, the ladder are offered on the cascaded surface of the stepped plunger structure
The water inlet duct of perforation is axially offered on formula piston structure, the water inlet duct is fixedly connected with hollow rod,
The cascaded surface bottom of the ladder tubular structure is equipped with lateral oil inlet passage, is equipped in the lateral oil inlet passage single
Valve is flowed, the lateral oil inlet passage is connected to the oil passage, and the oil liquid from the oil passage is through the ball-and-seat list
To the oil inlet duct is conducted to, the oil inlet duct is connected to ground oil system.
Preferably, the suction pump includes plunger mat and the plunger that draws water, and the upper end of the plunger mat of drawing water is through screwed connection
Inside the intermediate connection tube, the plunger that draws water can slide up and down in the plunger mat,
Water chamber is formed between the intermediate connection tube, big pump barrel, small pump barrel and plunger mat, along axis on the plunger that draws water
To suction duct is offered, the one end in the suction duct is connected to the aquaporin, and the other end is connected to the water chamber, described
The upper end of water chamber is connected to the lower end of the hollow rod, the upper end of the hollow rod and surface water system connectivity.
Preferably, the grease separate extracting pump further includes small sucker rod, the upper end of the small sucker rod and the hollow oil pumping
The bottom end of bar connects, and the lower end of the small sucker rod is connect with the upper surface of the plunger that draws water.
Preferably, the water-oil separating cylinder includes outer cylinder, oil baffle and inner cylinder, and the upper end of the outer cylinder is connected to through screw thread
The lower part of the plunger mat, the oil baffle are funnel-shaped structure, and the upper end is connected on the internal perisporium of the outer cylinder, and lower end connects
It is connected on the upper surface of the inner cylinder.
Preferably, the outer cylinder, which is abutted against on the periphery wall of oil baffle, offers oil outlet, between the outer cylinder and inner cylinder
Annular space is connected to through the annular space between the oil outlet and the oil pipe and casing, the annular space between the oil pipe and casing with it is described
Lateral oil inlet passage connection,
The inner cylinder forms the aquaporin, and the annular space between the outer cylinder and inner cylinder forms the oil passage.
Preferably, the lower end surface of the plunger mat is inserted into the inner cylinder.
According to the second aspect of the invention, a kind of aqueous well grease is provided and divides mining method, comprising:
Start grease separate extracting pump, by water-oil separating cylinder by water-oil separating, so that oil liquid and water respectively enter water-oil separating
The oil passage and aquaporin of pump；
Oil liquid from oil passage is drawn into the oil liquid suction channel of grease separate extracting pump, is drawn into ground oil
Liquid system, the water from aquaporin are drawn into ground water system from the aquaporin of grease separate extracting pump.
Preferably, the oil liquid from oil passage is through being drawn into the oil liquid suction channel of grease separate extracting pump, through taking out
Inspiration enters ground oil system
Oil liquid from the oil passage initially enters the annular space between oil pipe and casing, then enters back into the oil liquid
Suction channel.
Aqueous well grease provided by the invention divides device for picking and mining method is divided to have the following beneficial effects:
1, it is emulsified after solving the problems, such as well water to a certain extent；
2, the dosage of water-bearing crude oil well incorporation thin oil is reduced；
3, the water process amount of multi-purpose station is reduced, while reducing treatment agent amount and energy consumption；
4, have a wide range of application, be applicable to thin oil and heavy crude well, heavy oil wells, which can reach, reduces mixing light oil amount or reduction
Incorporation chemical viscosity reduction agent dosage reaches drop energy consumption effect simultaneously；Thin oil well, which is realized, to be reduced treatment agent, reduces energy consumption effect；
5, production cost is generally reduced, productivity effect is improved.
Detailed description of the invention
It, below will be to specific in order to illustrate more clearly of the specific embodiment of the invention or technical solution in the prior art
Embodiment or attached drawing needed to be used in the description of the prior art are briefly described.In all the appended drawings, similar element
Or part is generally identified by similar appended drawing reference.In attached drawing, each element or part might not be drawn according to actual ratio.
The aqueous well grease that Fig. 1 shows according to embodiments of the present invention one divides the structural schematic diagram of device for picking.
Fig. 2 shows the step flow charts that according to embodiments of the present invention one aqueous well grease divides mining method.
The aqueous well grease that Fig. 3 shows according to embodiments of the present invention two divides the structural schematic diagram of device for picking.
In figure: oil pipe 1, water-oil separating cylinder 2, outer cylinder 21, oil baffle 22, inner cylinder 23, oil outlet 24, diplopore plunger laterally into
Oily suction pump 31, big pump barrel 311, small pump barrel 312, big plunger 313, oil inlet duct 3131, small plunger 314, water inlet duct 3100,
Intermediate connection tube 32, suction pump 33, plunger mat 331, the plunger 332 that draws water, radial flow path 300, valve ball 333, lateral oil inlet passage
34, ball-and-seat 35, small sucker rod 36, hollow rod 4, casing 1000, the first check valve 2000, second one-way valve 3000,
Three check valves 4000, the 4th check valve 5000.
Specific embodiment
It is described in detail below in conjunction with embodiment of the attached drawing to technical solution of the present invention.Following embodiment is only used for
Clearly illustrate technical solution of the present invention, therefore be only used as example, and cannot be used as a limitation and limit protection model of the invention
It encloses.
Embodiment one:
The aqueous well grease that Fig. 1 shows according to embodiments of the present invention one divides the structural schematic diagram of device for picking.Such as Fig. 1 institute
Show, aqueous well grease divides device for picking, including oil pipe 1, water-oil separating cylinder 2, grease separate extracting pump and hollow rod 4.1 set of oil pipe
In casing 1000；Water-oil separating cylinder 2, set on the lower part of oil pipe 1, for the separation of grease, with oil passage and water
Channel；Grease separate extracting pump, the upper end are connect with oil pipe 1, and lower end is connect with water-oil separating cylinder 2, which has oil liquid
Suction channel and water suction channel, the oil liquid suction channel are connected to the oil passage, the water suction channel with it is described
Aquaporin connection, the grease separate extracting pump pass through oil liquid suction channel and water suction channel respectively and oil liquid and water are drawn into ground
On；Hollow rod 4, for driving water-oil separating pump to do up-down stroke movement, from the separation and suction for completing oil liquid and water.
The grease separate extracting pump includes the lateral oil inlet suction pump 31 of diplopore plunger, intermediate connection tube 32 and suction pump 33, institute
Oil inlet suction pump 31 and suction pump 33 is stated to connect through the intermediate connection tube 32.Wherein, the oil inlet suction pump is connected to described
The upper end of intermediate connection tube 32, the suction pump 33 are connected to the lower end of the intermediate connection tube 32.
The lateral oil inlet suction pump 31 of diplopore plunger includes big pump barrel 311, small pump barrel 312, big plunger 313 and small plunger
314, the big pump barrel 311 and small pump barrel 312 are axially in turn connected into ladder tubular structure, the small plunger from top to bottom
314 are connected on the lower end surface of big plunger 313, form stepped plunger structure.On the cascaded surface of the stepped plunger structure
The oil inlet duct 3131 of a perforation big plunger 313 is offered, axially offers and passes through in the stepped plunger structure
Logical water inlet duct 3100 is fixedly connected with hollow rod 4 in the water inlet duct 3100.The rank of the ladder tubular structure
Tread bottom is equipped with lateral oil inlet passage 34, is equipped with ball-and-seat 35, the lateral oil inlet passage in the lateral oil inlet passage 34
34 are connected to the oil passage, and the oil liquid from the oil passage is through 35 one-way conduction of ball-and-seat to oil inlet duct
3131, oil inlet passage oil inlet duct 3131 is connected to ground oil system.It is equipped in oil inlet duct 3131 logical from lateral oil inlet
Road 34 is to huge pillar end face, i.e. the first check valve 2000 of ground oil system direction one-way conduction beyond the Great Wall.
The suction pump 33 includes plunger mat 331 and the plunger 332 that draws water, and the upper end of the plunger mat 331 of drawing water is through screw thread
It is connected to inside the intermediate connection tube 32, the plunger 332 that draws water can slide up and down in the plunger mat 331.Institute
It states and forms water chamber between intermediate connection tube 32, big pump barrel 311, small pump barrel 312 and plunger mat 331, edge on the plunger 332 that draws water
It is axial offer suction duct, the one end in the suction duct is connected to the aquaporin, and the other end is connected to the water chamber,
The upper end of the water chamber is connected to the lower end of the hollow rod 4, and the upper end of the hollow rod 4 and ground water system connect
It is logical.
The plunger 332 that draws water in the embodiment is in the up-down direction at stepped cylindrical structure, and wherein big end is in upper, plunger mat
331 have the staged cavity body structure being adapted to the plunger 332 that draws water.With reference to Fig. 1, duct is aspirated axially from top to bottom
Stepped cylindrical structure is formed, valve ball 333 is equipped in the big end of top, valve ball 333 and step surface cooperate, the water list from aquaporin
To being pumped in water chamber.The draw water upper end of 332 small end of plunger offers multiple radial flow paths 300,332 small end part of plunger of drawing water
Suction duct in be equipped with second one-way valve 3000, by ball valve 333, second one-way valve 3000 and radial flow path 300 come complete
The suction action of pairs of water.
In the embodiment, lateral oil inlet passage 34 is connected to oil inlet duct 3131, forms oil liquid suction channel；Suction hole
Road, water chamber and hollow rod 4 are sequentially communicated, and form water suction channel.Further, the grease separate extracting pump further includes small pumping
The upper end of beam hanger 36, the small sucker rod 36 is connect with the bottom end of the hollow rod 4, the lower end of the small sucker rod 36 with
The upper surface of the plunger 332 that draws water connects.In this way, hollow rod 4 and small sucker rod 36, which are connected, forms overall structure,
Form a unified motor unit.
The water-oil separating cylinder 2 includes outer cylinder 21, oil baffle 22 and inner cylinder 23, and the upper end of the outer cylinder 21 is through screwed connection
In the lower part of the plunger mat 331, the oil baffle 22 is funnel-shaped structure, and the upper end is connected to the internal perisporium of the outer cylinder 21
On, lower end is connected on the upper surface of the inner cylinder 23.
The outer cylinder 21, which is abutted against on the periphery wall of oil baffle 22, offers oil outlet 24, between the outer cylinder 21 and inner cylinder 23
Annular space be connected to through the oil outlet 24 with the oil pipe 1 with the annular space between casing 1000, the oil pipe 1 and casing 1000 it
Between annular space be connected to the lateral oil inlet passage 34.The inner cylinder 23 forms the aquaporin, the outer cylinder 21 and inner cylinder 23
Between annular space form the oil passage.The lower end surface of the plunger mat 331 is inserted into the inner cylinder 23.
Fig. 2 shows the step flow charts that according to embodiments of the present invention one aqueous well grease divides mining method.Such as Fig. 2 institute
Show, which divides device for picking when oil well progress grease point is adopted in use, it can refer to following steps:
S01), start grease separate extracting pump, by water-oil separating cylinder 2 by water-oil separating, so that oil liquid and water respectively enter oil
The oil passage and aquaporin of water separation pump.
Specifically, 1 tubing string of oil pipe is lowered into projected depth, by rod string tripping in, guarantees draw water plunger 332 and oil pumping
Plunger reaches suction pump 33 and oil pumping barrel bottom simultaneously, has stayed dead space.Machine is pumped through journey, and hollow rod 4 is with diplopore
Oil-pumping plunger with draw water plunger 332 synchronize pump.It pumps, two pumps that draw water separately work simultaneously, grease when upstroke
It is drawn between the inner cylinder 23 of cylinder and outer cylinder 21 in annular space simultaneously, i.e., in oil passage；Due to grease density contrast, grease occurs
Displacement, crude oil pass upward through oil baffle 22 and enter top oil jacket annulus；Water is downwardly into cylinder inner cylinder 23, i.e. aquaporin
It is interior.
S02), the oil liquid from oil passage is through being drawn into the oil liquid suction channel of grease separate extracting pump, through being drawn into
Ground oil system, the water from aquaporin are drawn into ground water system from the aquaporin of grease separate extracting pump.
Specifically, oil liquid from the oil passage is discharged from oil outlet 24, initially enter oil pipe 1 and casing 1000 it
Between annular space, then enter back into the oil liquid suction channel.In oil liquid suction channel, that is, pass through lateral oil inlet passage 34, warp
Ball-and-seat 35 enters oil inlet duct 3131, and is finally pumped to ground oil system.Valve ball 333 is opened, and inner cylinder 23, i.e. water are come from
The water in channel initially enters suction duct, then sequentially enters water chamber, hollow rod 4 and is finally pumped to ground water system.
In the embodiment, the design of the size of cylinder, the i.e. dimensional parameters of inner cylinder 23 and outer cylinder 21 will guarantee that liquid is dividing
It is less than the speed that oil is replaced upwards in water from the downward flow velocity of cylinder.
Divide mining method using the aqueous well grease, heavy oil wells, which can reach to reduce mixing light oil amount or reduce, mixes chemical viscosity reduction
Agent dosage reaches drop energy consumption effect simultaneously；Thin oil well, which is realized, to be reduced treatment agent, reduces energy consumption effect.It reduces costs, increase
Benefit.
Aqueous well grease of the invention divides device for picking and mining method is divided to have the following beneficial effects:
1, it is emulsified after solving the problems, such as well water to a certain extent；
2, the dosage of water-bearing crude oil well incorporation thin oil is reduced；
3, the water process amount of multi-purpose station is reduced, while reducing treatment agent amount and energy consumption；
4, have a wide range of application, be applicable to thin oil and heavy crude well, heavy oil wells, which can reach, reduces mixing light oil amount or reduction
Incorporation chemical viscosity reduction agent dosage reaches drop energy consumption effect simultaneously；Thin oil well, which is realized, to be reduced treatment agent, reduces energy consumption effect；
5, production cost is generally reduced, productivity effect is improved.
Embodiment two:
The aqueous well grease that Fig. 3 shows according to embodiments of the present invention two divides the structural schematic diagram of device for picking.Such as Fig. 3 institute
Show, with embodiment one the difference is that the plunger 332 that draws water is the axial column structure for offering suction duct in the embodiment,
It aspirates and is equipped with third check valve 4000 in duct, 331 lower end surface of plunger mat is equipped with the 4th check valve 5000.Wherein, third list
Realize the water one-way conduction in the vacuum chamber that will be formed between plunger mat 331 and the plunger 332 that draws water to water chamber to valve 4000；4th
Check valve 5000 is realized in the vacuum chamber that will be formed between the water one-way guide flow in inner cylinder to plunger mat 331 and the plunger 332 that draws water.
It should be noted that unless otherwise indicated, technical term or scientific term used in this application should be this hair
The ordinary meaning that bright one of ordinary skill in the art are understood.
In addition, term " first ", " second " etc. are used for description purposes only, it is not understood to indicate or imply relatively important
Property or implicitly indicate the quantity of indicated technical characteristic.In the description of the present invention, the meaning of " plurality " is two or more,
Unless otherwise specifically defined.
In this application unless specifically defined or limited otherwise, term " installation ", " connected ", " connection ", " fixation " etc.
Term shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection, or integral；It can be mechanical connect
It connects, is also possible to be electrically connected；It can be directly connected, can also can be in two elements indirectly connected through an intermediary
The interaction relationship of the connection in portion or two elements.It for the ordinary skill in the art, can be according to specific feelings
Condition understands the concrete meaning of above-mentioned term in the present invention.
Finally, it should be noted that the above embodiments are only used to illustrate the technical solution of the present invention., rather than its limitations；To the greatest extent
Pipe present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art should understand that: its according to
So be possible to modify the technical solutions described in the foregoing embodiments, or to some or all of the technical features into
Row equivalent replacement；And these are modified or replaceed, various embodiments of the present invention technology that it does not separate the essence of the corresponding technical solution
The range of scheme should all cover within the scope of the claims and the description of the invention.Especially, as long as there is no knots
Structure conflict, items technical characteristic mentioned in the various embodiments can be combined in any way.The present invention does not limit to
In specific embodiment disclosed herein, but include all technical solutions falling within the scope of the claims.
Claims (8)
1. a kind of aqueous well grease divides device for picking characterized by comprising
Oil pipe；
Water-oil separating cylinder, set on the lower part of oil pipe, for the separation of grease, with oil passage and aquaporin；
Grease separate extracting pump, the upper end are connect with oil pipe, and lower end is connect with water-oil separating cylinder, which aspirates with oil liquid
Channel and water suction channel, the oil liquid suction channel are connected to the oil passage, and the water suction channel and the water are logical
Road connection, which passes through oil liquid suction channel respectively and oil liquid and water are drawn on ground by water suction channel；
Hollow rod, for driving grease separate extracting pump to do up-down stroke movement, to complete the separation and suction of oil liquid and water；
Wherein, the grease separate extracting pump includes the lateral oil inlet suction pump of diplopore plunger, intermediate connection tube and suction pump, the oil inlet
Suction pump is connected with suction pump through the intermediate connection tube, and the oil inlet suction pump is connected to the upper end of the intermediate connection tube,
The suction pump is connected to the lower end of the intermediate connection tube,
The lateral oil inlet suction pump of diplopore plunger includes big pump barrel, small pump barrel, big plunger and small plunger, the big pump barrel and small
Pump barrel is axially in turn connected into ladder tubular structure, and the small plunger is connected on the end face of big plunger, forms staged
Piston structure offers the oil inlet duct of a perforation big plunger, the rank on the cascaded surface of the stepped plunger structure
The water inlet duct of perforation is axially offered on ladder type piston structure, the water inlet duct is fixedly connected with hollow rod,
The cascaded surface bottom of the ladder tubular structure is equipped with lateral oil inlet passage, is equipped with ball-and-seat, institute in the lateral oil inlet passage
Lateral oil inlet passage is stated to be connected to the oil passage, the oil liquid from the oil passage through the ball-and-seat one-way conduction extremely
The oil inlet duct, the oil inlet duct are connected to ground oil system.
2. aqueous well grease according to claim 1 divides device for picking, which is characterized in that the suction pump includes plunger mat
It is connected to inside the intermediate connection tube with the upper end of the plunger that draws water, the plunger mat of drawing water through screw thread, the plunger that draws water can
Slide up and down to and be set in the plunger mat,
Water chamber is formed between the intermediate connection tube, big pump barrel, small pump barrel and plunger mat, is axially opened on the plunger that draws water
Equipped with suction duct, the one end in the suction duct is connected to the aquaporin, and the other end is connected to the water chamber, the water chamber
Upper end be connected to the lower end of the hollow rod, the upper end of the hollow rod and surface water system connectivity.
3. aqueous well grease according to claim 2 divides device for picking, which is characterized in that the grease separate extracting pump further includes
The upper end of small sucker rod, the small sucker rod is connect with the bottom end of the hollow rod, the lower end of the small sucker rod and institute
State the upper surface connection for the plunger that draws water.
4. aqueous well grease according to claim 2 divides device for picking, which is characterized in that the water-oil separating cylinder includes outer
Cylinder, oil baffle and inner cylinder, the upper end of the outer cylinder are connected to the lower part of the plunger mat through screw thread, and the oil baffle is funnel-form
Structure, the upper end are connected on the internal perisporium of the outer cylinder, and lower end is connected on the upper surface of the inner cylinder.
5. aqueous well grease according to claim 4 divides device for picking, which is characterized in that the outer cylinder is abutted against oil baffle
Oil outlet is offered on periphery wall, the annular space between the outer cylinder and inner cylinder is through between the oil outlet and the oil pipe and casing
Annular space connection, the annular space between the oil pipe and casing is connected to the lateral oil inlet passage,
The inner cylinder forms the aquaporin, and the annular space between the outer cylinder and inner cylinder forms the oil passage.
6. aqueous well grease according to claim 4 divides device for picking, which is characterized in that insert the lower end surface of the plunger mat
Enter in the inner cylinder.
7. a kind of application aqueous well grease according to any one of claim 1 to 6 divides device for picking to carry out aqueous well
Grease divides mining method characterized by comprising
Start grease separate extracting pump, by water-oil separating cylinder by water-oil separating, so that oil liquid and water respectively enter grease separate extracting pump
Oil passage and aquaporin；
Oil liquid from oil passage is drawn into the oil liquid suction channel of grease separate extracting pump, is drawn into ground oil liquid system
System, the water from aquaporin are drawn into ground water system from the aquaporin of grease separate extracting pump.
8. aqueous well grease according to claim 7 divides mining method, which is characterized in that the oil from oil passage
Liquid is drawn into the oil liquid suction channel of grease separate extracting pump, is drawn into ground oil system and includes:
Oil liquid from the oil passage initially enters the annular space between oil pipe and casing, then enters back into the oil liquid suction
Channel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810537256.4A CN108756824B (en) | 2018-05-30 | 2018-05-30 | Aqueous well grease divides device for picking and aqueous well grease to divide mining method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810537256.4A CN108756824B (en) | 2018-05-30 | 2018-05-30 | Aqueous well grease divides device for picking and aqueous well grease to divide mining method |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108756824A CN108756824A (en) | 2018-11-06 |
| CN108756824B true CN108756824B (en) | 2019-08-16 |
Family
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| CN201810537256.4A Active CN108756824B (en) | 2018-05-30 | 2018-05-30 | Aqueous well grease divides device for picking and aqueous well grease to divide mining method |
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Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN111335852A (en) * | 2018-12-18 | 2020-06-26 | 中国石油天然气股份有限公司 | Oil-water separate production pipe column and oil-water separate production method |
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| CN2506791Y (en) * | 2001-10-12 | 2002-08-21 | 中国石油天然气股份有限公司 | Oil and water preseparation taking/intaking double fluid pump |
| CN204827392U (en) * | 2015-08-24 | 2015-12-02 | 胜利油田胜兴石油配件技术开发有限责任公司 | Oil production pipe divides |
| CN206190497U (en) * | 2016-08-16 | 2017-05-24 | 河南福侨石油装备有限公司 | Adopt two effect oil -well pumps high -efficient branch |
| CN206290419U (en) * | 2016-11-07 | 2017-06-30 | 中国石油大学(华东) | A kind of special separate extracting pump |
| CN107313753A (en) * | 2017-07-24 | 2017-11-03 | 山西晋城无烟煤矿业集团有限责任公司 | A kind of coal bed gas well point, which is adopted, separates pump and device |
| CN107558931A (en) * | 2016-07-01 | 2018-01-09 | 中国石油化工股份有限公司 | A kind of full pit shaft Gravity Separation sucker rod pump same well production-injection method and process pipe string |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US10047596B2 (en) * | 2015-07-23 | 2018-08-14 | General Electric Company | System and method for disposal of water produced from a plurality of wells of a well-pad |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN2506791Y (en) * | 2001-10-12 | 2002-08-21 | 中国石油天然气股份有限公司 | Oil and water preseparation taking/intaking double fluid pump |
| CN204827392U (en) * | 2015-08-24 | 2015-12-02 | 胜利油田胜兴石油配件技术开发有限责任公司 | Oil production pipe divides |
| CN107558931A (en) * | 2016-07-01 | 2018-01-09 | 中国石油化工股份有限公司 | A kind of full pit shaft Gravity Separation sucker rod pump same well production-injection method and process pipe string |
| CN206190497U (en) * | 2016-08-16 | 2017-05-24 | 河南福侨石油装备有限公司 | Adopt two effect oil -well pumps high -efficient branch |
| CN206290419U (en) * | 2016-11-07 | 2017-06-30 | 中国石油大学(华东) | A kind of special separate extracting pump |
| CN107313753A (en) * | 2017-07-24 | 2017-11-03 | 山西晋城无烟煤矿业集团有限责任公司 | A kind of coal bed gas well point, which is adopted, separates pump and device |
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| CN108756824A (en) | 2018-11-06 |
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