CN107829716B - Oil well polished rod kinetic energy chemicals dosing plant - Google Patents

Oil well polished rod kinetic energy chemicals dosing plant Download PDF

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Publication number
CN107829716B
CN107829716B CN201711021359.7A CN201711021359A CN107829716B CN 107829716 B CN107829716 B CN 107829716B CN 201711021359 A CN201711021359 A CN 201711021359A CN 107829716 B CN107829716 B CN 107829716B
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pressure
valve
dosing pump
pressure regulator
polished rod
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CN107829716A (en
Inventor
黄惠峰
刘胥利
董福生
王伟
黄嘉辉
周雪莹
高环宇
吴文华
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SHENGLI XINDA INDUSTRIAL GROUP Co Ltd
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SHENGLI XINDA INDUSTRIAL GROUP Co Ltd
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    • EFIXED CONSTRUCTIONS
    • E21EARTH OR ROCK DRILLING; MINING
    • E21BEARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
    • E21B43/00Methods or apparatus for obtaining oil, gas, water, soluble or meltable materials or a slurry of minerals from wells
    • E21B43/16Enhanced recovery methods for obtaining hydrocarbons

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  • 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)
  • Reciprocating Pumps (AREA)

Abstract

The present invention provides a kind of oil well polished rod kinetic energy chemicals dosing plant, the dosing pump suction line connects medicine-adding bin, dosing pump intake is provided with check valve A, the dosing pump outlet line connects pressure regulator valve, dosing pump exit is provided with check valve B, pressure gauge A is provided with after check valve B, the outlet line of the pressure regulator valve connects well lines, pressure gauge B is provided on well lines, check valve C, check valve D, discharging valve, switch valve are disposed with after pressure regulation valve outlet, pressure regulator valve refluxing opening pipeline connects the top of liquid level gauge;Advantage is:It makes full use of the power of pumping unit itself as the motive power of dosing pump, other additional power-equipments need not be increased, safeguard simply, organically coordinate with well head, do not influence other operations of well head, can reach reduces dosing cost;Dosage adjusting can also be carried out, is not required to stop well, can be achieved with accurate dosing;Small, installation is simple, safeguards seldom, beautiful and generous.

Description

Oil well polished rod kinetic energy chemicals dosing plant
Technical field
The present invention relates to oil well dosing pump fields, more particularly, to a kind of oil well polished rod kinetic energy chemicals dosing plant.
Background technology
In oil field development, during oil well dosing, the mode for mostly using well head compound pump at present carries out oil well dosing.Profit The dosing at regular time and quantity of well head medicament may be implemented with dosing pump, while the with pressure of well mouth of oil well can also be realized using dosing pump Dosing works.But dosing pump cost is too high.
There is no the oil well of compound pump to mostly use the disposable dosing measure of casing, there are medicaments to use the problems such as uneven.Together When, the problem well that thick, wax deposition causes Oil Well Back Pressure high for oil, if hydrodynamic face is shallower, submergence is big, oil well casing dosing effect It is not obvious, no compound pump can not realize the steady addition of medicament.
Invention content
It is an object of the invention to solve the deficiencies in the prior art, and provide oil well polished rod kinetic energy chemicals dosing plant.
The new technical solution of the present invention is:Oil well polished rod kinetic energy chemicals dosing plant, including dosing pump, medicine-adding bin, pressure regulator valve, It is characterized in that:The dosing pump suction line connects medicine-adding bin, and dosing pump intake is provided with check valve A, the dosing pump Outlet line connects pressure regulator valve, and dosing pump exit is provided with check valve B, pressure gauge A, the tune are provided with after check valve B The outlet line of pressure valve connects well lines, and pressure gauge B is provided on well lines, be disposed with after pressure regulation valve outlet check valve C, Check valve D, discharging valve, switch valve, pressure regulator valve refluxing opening pipeline connect the top of liquid level gauge;
The dosing pump includes the pump housing, cavity, axle sleeve, compression bar, piston, spring A, and the pump housing and cavity pass through spiral shell It tethers and is connected together, axle sleeve is provided on the inside of pump housing upper end, be compression bar on the inside of axle sleeve, compression bar lower end is connected by limited block and lived Plug, internal piston are provided with spring A, the lower ends spring A connection cavity bottom, and pump housing upside is provided with oil sealing, and compression bar upper end is pierced by The pump housing and oil sealing, the pump housing and inside cavity outlet side are provided with oil leab;
The pressure regulator valve includes valve body, adjusting rod, spring B, valve, and body cavity side is threadedly coupled with adjusting rod, Valve is connected by spring B on the inside of adjusting rod, the intracavity diameter of the valve body of the valve other side becomes smaller, and the body cavity other side is divided into Pressure regulation valve inlet and pressure regulation valve outlet, the inner cavity between adjusting rod and valve are provided with pressure regulator valve refluxing opening;
The dosing pump is mounted on by preceding seat and the rear seat of embracing embraced on packing pressure cap, and preceding armful of seat and a rear armful seat pass through long spiral shell It tethers and is connected together, limiting slot is provided on the inside of preceding armful of seat, limiting slot matches with packing pressure cap, embraces be provided on seat quickly afterwards Screw is loaded and unloaded, is oil well polished rod on the inside of packing pressure cap, oil well polished rod is bolted dynamic pressure arm, is set on the downside of power pressure arm It is equipped with aluminum gasket.
It is described switch valve is closed after, piston, 2-3 stroke are pushed in the pushing generated when oil well polished rod pushes Afterwards, the pressure of foundation that can establish dosing pump, the adjusting rod for adjusting pressure regulator valve give valve pressure or decompression, make the pressure of pressure gauge A It is opened higher than the pressure of pressure gauge B, then by switch valve, dosing pump can be always maintained at higher than well pressure under the action of pressure regulator valve Pressure, adjust the Opening pressure of pressure regulator valve, to realize with well casing pressure variation automatically adjust, such as well pressure be more than basis pressure Manually adjustable pressure regulator valve is more than well casing pressure to pressure of foundation when power.
The upper and lower part unicom of the medicine-adding bin and liquid level gauge is provided with valve, liquid level gauge on lower connection pipe line On be provided with scale.
The material of the compression bar is No. 45 Chromador, and the material of axle sleeve is that copper closes in Sillim.
The material of the spring A and spring B is stainless steel.
The dosing pump outlet line is using soft sub- big pipe.
The beneficial effects of the invention are as follows:It makes full use of the power of pumping unit itself as the motive power of dosing pump, does not need Increase other additional power-equipments, safeguard simply, organically coordinate with well head, does not influence other operations of well head, Ke Yida To reduction dosing cost;Dosage adjusting can also be carried out, is not required to stop well, can be achieved with accurate dosing;It is small, installation letter It is single, it safeguards seldom, it is beautiful and generous.
Description of the drawings
Fig. 1 is the structural diagram of the present invention.
Fig. 2 is the structural schematic diagram of the dosing pump of the present invention.
Fig. 3 is the structural schematic diagram of the pressure regulator valve of the present invention.
Fig. 4 is the scheme of installation of the dosing pump of the present invention.
Wherein:1 is dosing pump, and 2 be medicine-adding bin, and 3 be pressure regulator valve, and 4 be check valve A, and 5 be check valve B, and 6 be pressure gauge A, 7 It is check valve C for well lines, 8,9 be check valve D, and 10 be discharging valve, and 11 be switch valve, and 12 be pressure gauge B, and 13 be liquid level gauge, 14 be the pump housing, and 15 be cavity, and 16 be axle sleeve, and 17 be compression bar.18 be piston, and 19 be spring A, and 20 be limited block, and 21 be oil sealing, 22 It is valve body for oil leab, 23,24 be adjusting rod, and 25 be spring B, and 26 be valve, and 27 be pressure regulation valve inlet, and 28 return for pressure regulator valve Head piece, 29 be pressure regulation valve outlet, and 30 embrace seat to be preceding, 31 be after embrace seat, 32 be packing pressure cap, and 33 be limiting slot, and 34 be fast quick-mounting Screw is unloaded, 35 be oil well polished rod, and 36 be power pressure arm, and 37 be aluminum gasket.
Specific implementation mode
The present invention will be further described below in conjunction with the accompanying drawings.
Oil well polished rod kinetic energy chemicals dosing plant, including oil well polished rod kinetic energy chemicals dosing plant, including dosing pump 1, medicine-adding bin 2, tune Pressure valve 3, it is characterised in that:1 suction line of dosing pump connects medicine-adding bin 2, and 1 entrance of dosing pump is provided with check valve A4, 1 outlet line of dosing pump connects pressure regulator valve 3, and 1 exit of dosing pump is provided with check valve B5, is provided with after check valve B5 The outlet line of pressure gauge A6, the pressure regulator valve 3 connect well lines 7, and pressure gauge B12, pressure regulator valve 3 are provided on well lines 7 Check valve C8, check valve D9, discharging valve 10, switch valve 11 are disposed with behind outlet, 3 refluxing opening pipeline of pressure regulator valve connects liquid level The top of meter 13;
The dosing pump 1 includes the pump housing 14, cavity 15, axle sleeve 16, compression bar 17, piston 18, spring A19, the pump Together with body 14 is bolted with cavity 15, axle sleeve 16 is provided on the inside of 14 upper end of the pump housing, 16 inside of axle sleeve is compression bar 17, 17 lower end of compression bar connects piston 18 by limited block 20, and piston 18 is internally provided with spring A19, the lower ends spring A19 connection cavity 15 bottoms, the upside of the pump housing 14 are provided with oil sealing 21, and 17 upper end of compression bar is pierced by the pump housing 14 and oil sealing 21, inside the pump housing 14 and cavity 15 Outlet side is provided with oil leab 22;
The pressure regulator valve 3 includes valve body 23, adjusting rod 24, spring B 25, valve 26,23 inner cavity side of valve body and adjusting Bar 24 is threadedly coupled, and 24 inside of adjusting rod connects valve 26, the intracavity diameter of the valve body 23 of 26 other side of valve by spring B 25 Become smaller, the 23 inner cavity other side of valve body is divided into pressure regulation valve inlet 27 and pressure regulation valve outlet 29, interior between adjusting rod 24 and valve 26 Chamber is provided with pressure regulator valve refluxing opening 28;
The dosing pump 1 passes through preceding armful of seat 30 and armful seat 31 is mounted on packing pressure cap 32 afterwards, and preceding armful of seat 30 is embraced with rear Seat 31 is linked together by stay bolt, and preceding armful of 30 inside of seat is provided with limiting slot 33, limiting slot 33 and 32 phase of packing pressure cap Match, embrace be provided with quick despatch screw 34 on seat 31 afterwards, 32 inside of packing pressure cap is oil well polished rod 35, and oil well polished rod 35 passes through spiral shell Bolt is fixed with power pressure arm 36, and 36 downside of power pressure arm is provided with aluminum gasket 37.
It is described switch valve 11 is closed after, piston 18 is pushed in the pushing generated when oil well polished rod 35 pushes, and 2-3 is a After stroke, the pressure of foundation of dosing pump 1 can be established, the adjusting rod 24 of pressure regulator valve 3 is adjusted to 26 pressure or decompression of valve, makes pressure The pressure of Table A 6 is higher than the pressure of pressure gauge B12, then switch valve 11 is opened, and dosing pump 1 can be always under the action of pressure regulator valve 3 The pressure higher than well pressure is kept, the Opening pressure of pressure regulator valve 3 is adjusted, is adjusted automatically with the variation of well casing pressure to realize Section, as manually adjustable pressure regulator valve 3 is more than well casing pressure to pressure of foundation when well pressure is more than pressure of foundation.
The upper and lower part unicom of the medicine-adding bin 2 and liquid level gauge 13 is provided with valve, liquid level on lower connection pipe line It is provided with scale on meter 13.
The material of the compression bar 17 is No. 45 Chromador, and the material of axle sleeve 16 is that copper closes in Sillim.
The material of the spring A19 and spring B 25 is stainless steel.
The dosing pump outlet line is using soft sub- big pipe.
After switch valve 11 is closed, piston 18,2-3 stroke are pushed in the pushing generated when oil well polished rod 35 pushes Afterwards, the pressure of foundation of dosing pump 1 can be established, the adjusting rod 24 of pressure regulator valve 3 is adjusted to 26 pressure or decompression of valve, makes pressure gauge A6 Pressure be higher than 2-4 kilograms of 1.2 megapascal of pressure of pressure gauge B12, i.e. the pressure of pressure gauge A6 is 1.6 megapascal, then by switch valve 11 open, and dosing pump 1 presses 2-4 kilograms in the pressure of pressure regulator valve 3 higher than well, as long as well pressure is not higher than 1.6 megapascal, dosing when rising Pump 1 can be always maintained at the pressure higher than well pressure under the action of pressure regulator valve 3, adjust the Opening pressure of pressure regulator valve 3, to real It is now automatically adjusted with the variation of well casing pressure, as manually adjustable pressure regulator valve 3 is big to pressure of foundation when well pressure is more than pressure of foundation In well casing pressure.Due to considering that well liquid impurity is more, it is not recommended that realize full-automatic regulation.
It is provided with limiting slot 33 on preceding armful of seat 30, ensures the relative position of dosing pump 1 and power pressure arm 36, prevents worker from pacifying The position for transferring dosing pump 1 when dress up and down, is not achieved the stroke of dosing pump 1 or the stroke beyond dosing pump 1;After embrace seat It is provided with quick despatch screw 34 on 31, realizes worker's quick despatch dosing pump 1;Dosing pump 1 is internally provided with oil leab 22, Compression bar 17 selects No. 45 Chromador, axle sleeve 16 that Sillim is selected to close copper, and compression bar 17 and axle sleeve 16 pass through material always in relative motion Selection and internal setting oil leab 22, realize self-lubrication, need not maintain substantially;The upside of dosing pump 1 is provided with oil Envelope 21, first, dustproof effect is played, while oil leakage;Well liquid is flow backwards in order to prevent, and check valve D9, check valve is respectively set C8, pressure regulator valve 3 and check valve B5;The outlet line of dosing pump 1 has pressure, selects the soft sub- big pipe that can bear 3 megapascal;Spring The material selection stainless steel of A19 and spring B 25, prevent rust corrosion;Pressure regulator valve 3 is provided separately with dosing pump 1, prevents from adjusting Pressure valve 3 be out of order influence dosing pump 1 suppress;The setting of the adjusting rod 24 of pressure regulator valve 3, prevents the maloperation of worker or passerby, It needs to adjust using tool;The upper and lower part unicom of medicine-adding bin 2 and liquid level gauge 13 is provided with valve on lower connection pipe line , it is provided with scale on liquid level gauge 13, closes following valve, regurgitant volume can be observed by the scale of liquid level gauge 13, work as liquid Higher than top together with pipe, liquid may return to medicine-adding bin 2 for position, open following valve, and medicine-adding bin 2 is realized with liquid level gauge 13 to be connected Together, it is provided with aluminum gasket on the downside of power pressure arm, aluminium touches iron and not will produce spark, plays explosion-proof effect.

Claims (6)

1. oil well polished rod kinetic energy chemicals dosing plant, including dosing pump(1), medicine-adding bin(2), pressure regulator valve(3), it is characterised in that:It is described Dosing pump(1)Suction line connects medicine-adding bin(2), dosing pump(1)Entrance is provided with check valve A(4), the dosing pump (1)Outlet line connects pressure regulator valve(3), dosing pump(1)Exit is provided with check valve B(5), check valve B(5)After be provided with pressure Power Table A(6), the pressure regulator valve(3)Outlet line connect well lines(7), well lines(7)On be provided with pressure gauge B(12), Pressure regulator valve(3)Check valve C is disposed with behind outlet(8), check valve D(9), discharging valve(10), switch valve(11), pressure regulator valve (3)Refluxing opening pipeline connects liquid level gauge(13)Top;
The dosing pump(1)Including the pump housing(14), cavity(15), axle sleeve(16), compression bar(17), piston(18), spring A (19), the pump housing(14)And cavity(15)It is bolted together, the pump housing(14)It is provided with axle sleeve on the inside of upper end (16), axle sleeve(16)Inside is compression bar(17), compression bar(17)Lower end passes through limited block(20)Connect piston(18), piston(18)It is interior Portion is provided with spring A(19), spring A(19)Lower end connection cavity(15)Bottom, the pump housing(14)Upside is provided with oil sealing(21), pressure Bar(17)Upper end is pierced by the pump housing(14)And oil sealing(21), the pump housing(14)And cavity(15)Internal vent side is provided with oil leab (22);
The pressure regulator valve(3)Including valve body(23), adjusting rod(24), spring B(25), valve(26), valve body(23)Inner cavity one Side and adjusting rod(24)It is threadedly coupled, adjusting rod(24)Inside passes through spring B(25)Connect valve(26), valve(26)The other side Valve body(23)Intracavity diameter become smaller, valve body(23)The inner cavity other side is divided into pressure regulation valve inlet(27)With pressure regulation valve outlet (29), adjusting rod(24)With valve(26)Between inner cavity be provided with pressure regulator valve refluxing opening(28);
The dosing pump(1)Pass through preceding armful of seat(30)With rear armful of seat(31)Mounted on packing pressure cap(32)On, preceding armful of seat(30) With rear armful of seat(31)It is linked together by stay bolt, preceding armful of seat(30)Inside is provided with limiting slot(33), limiting slot(33)With Packing pressure cap(32)Match, embraces seat afterwards(31)On be provided with quick despatch screw(34), packing pressure cap(32)Inside is oil well Polished rod(35), oil well polished rod(35)It is bolted dynamic pressure arm(36), power pressure arm(36)Downside is provided with aluminum pad Piece(37).
2. the control method of oil well polished rod kinetic energy chemicals dosing plant according to claim 1, it is characterised in that:By switch valve (11)After closing, in oil well polished rod(35)Piston is pushed in the pushing generated when pushing(18), after 2-3 stroke, can establish plus Teat pipette(1)Pressure of foundation, adjust pressure regulator valve(3)Adjusting rod(24)To valve(26)Pressure or decompression make pressure gauge A(6) Pressure be higher than pressure gauge B(12)Pressure, then by switch valve(11)It opens, dosing pump(1)In pressure regulator valve(3)Under the action of meeting It is always maintained at the pressure higher than well pressure, adjusts pressure regulator valve(3)Opening pressure, to realize with well casing pressure variation from It is dynamic to adjust, such as manually adjustable pressure regulator valve when well pressure is more than pressure of foundation(3)It is more than well casing pressure to pressure of foundation.
3. oil well polished rod kinetic energy chemicals dosing plant according to claim 1, it is characterised in that:The medicine-adding bin(2)With liquid Position meter(13)Upper and lower part unicom, be provided with valve, liquid level gauge on lower connection pipe line(13)On be provided with scale.
4. oil well polished rod kinetic energy chemicals dosing plant according to claim 1, it is characterised in that:The compression bar(17)Material For No. 45 Chromador, axle sleeve(16)Material be Sillim close copper.
5. oil well polished rod kinetic energy chemicals dosing plant according to claim 1, it is characterised in that:The spring A(19)And bullet Spring B(25)Material be stainless steel.
6. oil well polished rod kinetic energy chemicals dosing plant according to claim 1, it is characterised in that:The dosing pump(1)Outlet Pipeline is using soft sub- big pipe.
CN201711021359.7A 2017-10-26 2017-10-26 Oil well polished rod kinetic energy chemicals dosing plant Active CN107829716B (en)

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CN109077724B (en) * 2018-07-26 2021-12-07 北京机械设备研究所 Conductive medium conveying system and method for electroencephalogram acquisition
CN112973333A (en) * 2021-02-22 2021-06-18 广东紫科环保设备有限公司 Kitchen waste and waste gas treatment combined device and process thereof

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