CN107829922A - Dual channel huge discharge suction pump - Google Patents
Dual channel huge discharge suction pump Download PDFInfo
- Publication number
- CN107829922A CN107829922A CN201711259427.3A CN201711259427A CN107829922A CN 107829922 A CN107829922 A CN 107829922A CN 201711259427 A CN201711259427 A CN 201711259427A CN 107829922 A CN107829922 A CN 107829922A
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- CN
- China
- Prior art keywords
- pump
- big
- check valve
- small
- pump barrel
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
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Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
- F04B47/00—Pumps or pumping installations specially adapted for raising fluids from great depths, e.g. well pumps
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
- F04B53/00—Component parts, details or accessories not provided for in, or of interest apart from, groups F04B1/00 - F04B23/00 or F04B39/00 - F04B47/00
- F04B53/10—Valves; Arrangement of valves
- F04B53/1002—Ball valves
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
- F04B53/00—Component parts, details or accessories not provided for in, or of interest apart from, groups F04B1/00 - F04B23/00 or F04B39/00 - F04B47/00
- F04B53/10—Valves; Arrangement of valves
- F04B53/12—Valves; Arrangement of valves arranged in or on pistons
- F04B53/125—Reciprocating valves
- F04B53/126—Ball valves
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
- F04B53/00—Component parts, details or accessories not provided for in, or of interest apart from, groups F04B1/00 - F04B23/00 or F04B39/00 - F04B47/00
- F04B53/14—Pistons, piston-rods or piston-rod connections
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
- F04B53/00—Component parts, details or accessories not provided for in, or of interest apart from, groups F04B1/00 - F04B23/00 or F04B39/00 - F04B47/00
- F04B53/16—Casings; Cylinders; Cylinder liners or heads; Fluid connections
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
- F04B53/00—Component parts, details or accessories not provided for in, or of interest apart from, groups F04B1/00 - F04B23/00 or F04B39/00 - F04B47/00
- F04B53/16—Casings; Cylinders; Cylinder liners or heads; Fluid connections
- F04B53/162—Adaptations of cylinders
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Details Of Reciprocating Pumps (AREA)
- Reciprocating Pumps (AREA)
Abstract
The invention discloses a kind of dual channel huge discharge suction pump, it is arranged between top connection (10) and lower contact (11), including big pump barrel (1) and the small pump barrel (2) being set in big pump barrel (1), the big plunger (3) and small plunger (4) being connected are arranged with big pump barrel (1) and small pump barrel (2) respectively；The top of small pump barrel (2) is connected by side check valve (8) with the internal face of big pump barrel (1), and the pump chamber (12) on top and the oil reservoir of bottom are separated out by side check valve (8)；The bottom of small plunger (4) is provided with small plunger suction inlet (6); side suction ports (5) is provided between the outside wall surface of small pump barrel (2) and the internal face of big pump barrel (1), crude oil can be entered in pump chamber (12) by side suction ports (5) and small plunger suction inlet (6) respectively.Inhaling Crude Oil that can be independent by side suction ports and small plunger suction inlet of the invention, the area of passage of the suction inlet of pump is increased, reduces pump filling time.
Description
Technical field
The present invention relates to the oil production equipment of viscous crude production, more particularly to a kind of dual channel huge discharge suction pump.
Background technology
Existing viscosity of crude changes greatly, from tens to hundreds of thousands mpas (50 DEG C), for part heavy crude reservoir, in height
There is certain mobility under the formation condition of temperature, but flowed to by pit shaft during ground with the reduction of temperature in wellbore,
It increased dramatically viscosity of crude, the crude oil suction resistance of oil well pump is also with continuous increase, currently for the suction pump of viscous crude
There is provided a plunger suction inlet or side suction ports, problems with is primarily present at present：
1) to lateral inflow entrance suction pump, due to the limitation of pump housing maximum outside diameter size, the area of passage of side suction ports has
Limit, fluid resistance are relatively large；
2) for the suction inlet being arranged on plunger, due to the limitation of discharge capacity, plunger size is limited to cause circulation
Road is smaller, increases the fluid resistance of suction inlet；
3) because suction inlet area of passage is small, pumping fluid resistance is big, cause pump efficiency low, it is necessary to pumping fluid viscosity
Low, accommodation is not wide enough.
The content of the invention
It is an object of the invention to provide a kind of area of passage for the suction inlet that can increase pump, reduce pump filling time
A kind of dual channel huge discharge suction pump.
To achieve the above object, a kind of concrete technical scheme of dual channel huge discharge suction pump of the invention is：
A kind of dual channel huge discharge suction pump, is arranged between top connection and lower contact, including big pump barrel and is set in big
The big plunger and small plunger being connected are arranged with small pump barrel in pump barrel, big pump barrel and small pump barrel respectively；The top of small pump barrel leads to
The internal face that side check valve is crossed with big pump barrel is connected, and the pump chamber on top and the oil reservoir of bottom are separated out by side check valve；Pillar
The bottom of plug is provided with small plunger suction inlet, and side suction ports are provided between the outside wall surface of small pump barrel and the internal face of big pump barrel,
Crude oil can be entered in pump chamber by side suction ports and small plunger suction inlet respectively.
Further, side suction ports are located at the bottom of side check valve.
Further, the through hole for crude oil circulation is provided with the side wall of big plunger, is provided with big plunger and is located at respectively
The upper check valve of through hole upper and lower ends and lower check valve.
Further, upper check valve is in respectively off/on state in upstroke oil suction/down stroke oil extraction process.
Further, lower check valve is in respectively unlatching/closed mode during upstroke oil suction/down stroke oil extraction.
Further, pump chamber is side check valve and the chamber of the internal face formation of big plunger, the outside wall surface of small plunger and big pump barrel
Body.
Further, the opening of side check valve is provided with the spacing ball valve of inverted T-shaped, and the spacing ball valve of inverted T-shaped is unidirectional positioned at side
Above valve, spacing ball valve can be stretched up and down by screw thread.
Further, the spacing ball valve of inverted T-shaped is located on same vertical center line with side check valve, spacing ball valve and big pump barrel
Between spacing be more than side check valve diameter 4-6mm.
A kind of the advantages of dual channel huge discharge suction pump of the present invention, is：
1) realize in the case of size constancy, using two Pump Suction Nozzles, sucked by side suction ports and small plunger
Inhaling Crude Oil that mouthful can be independent, increases the area of passage of the suction inlet of pump, reduces the resistance that fluid enters pump, reduce pump and be full of
Time, pump efficiency is improved, achievable viscous crude enters the raising of pump viscosity, expands the accommodation of suction pump；
2) increase side suction ports outside small pump barrel, by the keying control pump chamber of side check valve and associating for oil reservoir, break through
The limitation of plunger size, increase the area of passage of pump；
3) using telescopic anti-" T " spacing ball valve, at utmost reduce fluid and pass through the resistance during check valve of side；
4) it is simple and reasonable, reliable working performance, it will realize that elevator pump is hung for viscous crude producing well, and reach energy-saving
Purpose, improve the overall system effectiveness of rod-pumped well.
Brief description of the drawings
Fig. 1 is the structural representation of the dual channel huge discharge suction pump of the present invention.
Embodiment
In order to be better understood by the purpose of the present invention, structure and function, below in conjunction with the accompanying drawings, to one kind double fluid of the present invention
Road huge discharge suction pump does further detailed description.
As shown in figure 1, it is shown as a kind of dual channel huge discharge suction pump of the present invention, top connection 10 and lower contact are arranged on
Between 11, including big pump barrel 1 and the small pump barrel 2 that is set in big pump barrel 1, big pump barrel 1 is connected with being arranged with respectively in small pump barrel 2
Big plunger 3 and small plunger 4, the top of small pump barrel 2 is connected by side check valve 8 with the internal face of big pump barrel, unidirectional by side
Valve 8 is separated out the pump chamber 12 on top and the oil reservoir of bottom, and associating for pump chamber 12 and oil reservoir is controlled by opening and closing side check valve 8, prominent
The limitation of plunger size has been broken, has increased the area of passage of pump, has improved pump efficiency；The bottom of small plunger 4 is provided with small plunger suction inlet
6, side suction ports 5 are provided between the outside wall surface of small pump barrel 2 and the internal face of big pump barrel 1, side suction ports 5 are located at side check valve 8
Bottom, crude oil can be entered in pump chamber 12 by side suction ports 5 and small plunger suction inlet 6 respectively, add the suction inlet of pump
Area of passage, the resistance that fluid enters pump is reduced, reduce viscous crude and enter pump resistance, reduce the filling time of pump, improve pump efficiency, realize
Viscous crude enters the raising of pump viscosity, expands the accommodation of suction pump.Wherein, pump chamber 12 be side check valve 8 and big plunger 3, it is small
The cavity that the internal face of the outside wall surface of plunger 4 and big pump barrel 1 is formed.
Further, the through hole for crude oil circulation is provided with the side wall of big plunger 3, position respectively is provided with big plunger 3
Upper check valve 7 and lower check valve 9 in through hole upper and lower ends, upper check valve 7 is respectively in upstroke oil suction/down stroke oil extraction process
In off/on state, lower check valve 9 is in respectively unlatching/closed mode during upstroke oil suction/down stroke oil extraction.
Further, the opening of side check valve 8 is provided with the spacing ball valve 13 of inverted T-shaped, and the spacing ball valve 13 of inverted T-shaped is located at side list
To the top of valve 8, spacing ball valve 13 can be stretched up and down by screw thread, and the spacing ball valve 13 of inverted T-shaped is separate with side check valve 8, position
In on same vertical center line, the spacing between spacing ball valve 13 and big pump barrel 1 is more than the diameter 4-6mm of side check valve 8, limit
Position valve 13 is capable of the high jump of constrained side check valve 8, while ensures that it can be closed rapidly, at utmost reduces fluid and passes through check valve
When resistance.
A kind of course of work of dual channel huge discharge suction pump of the present invention is described below in conjunction with the accompanying drawings：
When upstroke starts, big plunger 3 big pump barrel 1 lowermost end, big plunger 3 and small plunger 4 simultaneously up, pump chamber 12
Interior pressure reduces, check valve 7 in closing, while opening side check valve 8 and lower check valve 9, and crude oil can suck from side simultaneously
Mouth 5 and small plunger suction inlet 6 enter in pump chamber 12；When reaching upstroke peak, the maximum amount of crude oil is full of in pump chamber 12,
Upstroke terminates, and completes Inhaling Crude Oil function.
When down stroke starts, big plunger 3 is in the top of big pump barrel 1, big plunger 3 and small plunger 4 while descending, compression pump
Crude oil in chamber 12, simultaneously closes off side check valve 8 and lower check valve 9, check valve 7 in unlatching, discharges the crude oil in pump chamber 12, directly
To down stroke minimum point, down stroke terminates, and completes the oil extraction function of pump chamber, so circulates repeatedly, so as to realize suction pump
Oil recovery function.
A kind of dual channel huge discharge suction pump of the present invention, is realized in the case of size constancy, using two pumpings
Entrance, Inhaling Crude Oil that can be independent by side suction ports and small plunger suction inlet, the area of passage of the suction inlet of pump is increased,
The resistance that fluid enters pump is reduced, reduces pump filling time, improves pump efficiency, achievable viscous crude enters the raising of pump viscosity, and expansion is taken out
The accommodation of thick pump；Increase side suction ports outside small pump barrel, associated by the keying control pump chamber and oil reservoir of side check valve,
The limitation of plunger size is breached, increases the area of passage of pump；Using telescopic anti-" T " spacing ball valve, at utmost reduce
Fluid passes through the resistance during check valve of side；It is simple and reasonable, reliable working performance, elevator pump will be realized for viscous crude producing well
Hang, reach energy-saving purpose, improve the overall system effectiveness of rod-pumped well.
The present invention is further described by specific embodiment above, it should be understood that, here specifically
Description, should not be construed as the restriction to the spirit and scope of the invention, and one of ordinary skilled in the art is reading this explanation
The various modifications made after book to above-described embodiment, belong to the scope that the present invention is protected.
Claims (8)
- A kind of 1. dual channel huge discharge suction pump, it is characterised in that it is arranged between top connection (10) and lower contact (11), including Big pump barrel (1) and the small pump barrel (2) being set in big pump barrel (1), big pump barrel (1) are connected with interior be arranged with respectively of small pump barrel (2) Big plunger (3) and small plunger (4)；The top of small pump barrel (2) is connected by side check valve (8) with the internal face of big pump barrel (1), The pump chamber (12) on top and the oil reservoir of bottom are separated out by side check valve (8)；The bottom of small plunger (4) is provided with small plunger suction Entrance (6), side suction ports (5) are provided between the outside wall surface of small pump barrel (2) and the internal face of big pump barrel (1), crude oil can be distinguished Entered by side suction ports (5) and small plunger suction inlet (6) in pump chamber (12).
- 2. dual channel huge discharge suction pump according to claim 1, it is characterised in that it is unidirectional that side suction ports (5) are located at side The bottom of valve (8).
- 3. dual channel huge discharge suction pump according to claim 1, it is characterised in that set in the side wall of big plunger (3) The through hole for crude oil circulation is equipped with, is provided with big plunger (3) and is located at the upper check valve (7) of through hole upper and lower ends respectively and places an order To valve (9).
- 4. dual channel huge discharge suction pump according to claim 3, it is characterised in that upper check valve (7) is respectively in Shang Chong Journey oil suction/down stroke oil extraction process is in off/on state.
- 5. the dual channel huge discharge suction pump according to claim 3 or 4, it is characterised in that lower check valve (9) is respectively upper It is in unlatching/closed mode during stroke oil suction/down stroke oil extraction.
- 6. dual channel huge discharge suction pump according to claim 1, it is characterised in that pump chamber (12) is side check valve (8) The cavity formed with the internal face of big plunger (3), the outside wall surface of small plunger (4) and big pump barrel (1).
- 7. dual channel huge discharge suction pump according to claim 1, it is characterised in that the opening of side check valve (8) is set The spacing ball valve of inverted T-shaped (13) is equipped with, the spacing ball valve of inverted T-shaped (13) is above side check valve (8), and spacing ball valve (13) passes through Screw thread can stretch up and down.
- 8. dual channel huge discharge suction pump according to claim 7, it is characterised in that the spacing ball valve of inverted T-shaped (13) and side Check valve (8) is located on same vertical center line, and the spacing between spacing ball valve (13) and big pump barrel (1) is more than side check valve (8) diameter 4-6mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711259427.3A CN107829922A (en) | 2017-12-04 | 2017-12-04 | Dual channel huge discharge suction pump |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711259427.3A CN107829922A (en) | 2017-12-04 | 2017-12-04 | Dual channel huge discharge suction pump |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107829922A true CN107829922A (en) | 2018-03-23 |
Family
ID=61641290
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711259427.3A Pending CN107829922A (en) | 2017-12-04 | 2017-12-04 | Dual channel huge discharge suction pump |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107829922A (en) |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| RU70321U1 (en) * | 2007-02-14 | 2008-01-20 | Александр Ильич Бояров | DEPTH DIFFERENTIAL ROD PUMP FOR SIMULTANEOUS-SEPARATE OPERATION OF TWO LAYERS |
| CN202451406U (en) * | 2011-12-14 | 2012-09-26 | 中船重工中南装备有限责任公司 | Big-output thickened oil pump |
| WO2013100209A2 (en) * | 2011-12-30 | 2013-07-04 | National Oilwell Varco, L.P. | Reciprocating subsurface pump |
| CN103775046A (en) * | 2013-11-08 | 2014-05-07 | 中国石油天然气股份有限公司 | Thickened oil separate injection and commingled production eccentric feedback pump and technological method |
| WO2016205131A1 (en) * | 2015-06-17 | 2016-12-22 | Baker Hughes Incorporated | Positive displacement plunger pump with gas escape valve |
| 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 |
| CN207761920U (en) * | 2017-12-04 | 2018-08-24 | 中国石油化工股份有限公司 | Dual channel huge discharge suction pump |
| CN219012786U (en) * | 2022-12-09 | 2023-05-12 | 中国石油化工股份有限公司 | Large-discharge-capacity series feedback type thick pumping pump |
-
2017
- 2017-12-04 CN CN201711259427.3A patent/CN107829922A/en active Pending
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| RU70321U1 (en) * | 2007-02-14 | 2008-01-20 | Александр Ильич Бояров | DEPTH DIFFERENTIAL ROD PUMP FOR SIMULTANEOUS-SEPARATE OPERATION OF TWO LAYERS |
| CN202451406U (en) * | 2011-12-14 | 2012-09-26 | 中船重工中南装备有限责任公司 | Big-output thickened oil pump |
| WO2013100209A2 (en) * | 2011-12-30 | 2013-07-04 | National Oilwell Varco, L.P. | Reciprocating subsurface pump |
| CN103775046A (en) * | 2013-11-08 | 2014-05-07 | 中国石油天然气股份有限公司 | Thickened oil separate injection and commingled production eccentric feedback pump and technological method |
| WO2016205131A1 (en) * | 2015-06-17 | 2016-12-22 | Baker Hughes Incorporated | Positive displacement plunger pump with gas escape valve |
| 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 |
| CN207761920U (en) * | 2017-12-04 | 2018-08-24 | 中国石油化工股份有限公司 | Dual channel huge discharge suction pump |
| CN219012786U (en) * | 2022-12-09 | 2023-05-12 | 中国石油化工股份有限公司 | Large-discharge-capacity series feedback type thick pumping pump |
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