CN205618340U - Two effect oil -well pumps that no pole recovered oil and uses - Google Patents
Two effect oil -well pumps that no pole recovered oil and uses Download PDFInfo
- Publication number
- CN205618340U CN205618340U CN201620359870.2U CN201620359870U CN205618340U CN 205618340 U CN205618340 U CN 205618340U CN 201620359870 U CN201620359870 U CN 201620359870U CN 205618340 U CN205618340 U CN 205618340U
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- pump
- long
- oil
- short
- plunger
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Abstract
The utility model discloses a two effect oil -well pumps that no pole recovered oil and uses, including last coupling, long pump barrel, long column stopper, lower pump coupling, short pump barrel and lower coupling, its characterized in that: long pump barrel upper end is equipped with the oil pump outlet valve, is equipped with the inlet on the long pump barrel lateral wall, and short column stopper lower extreme is equipped with movable plinth, and the short column is held beyond the great wall and is equipped with the end cap, and the activity connects the lower extreme and passes the short column and fill in to hold beyond the great wall to be connected with the long column behind the movable plinth of lower extreme and fix, go up the coupling lower extreme and be equipped with the transverter, be equipped with middle part runner and lateral part runner in the transverter, the lower port of lateral part runner and the export fixed connection of last oil pump outlet valve, the port is linked together with last coupling inner chamber on the lateral part runner, and the port is linked together with the oil -out of pump coupling down through high pressure fuel pipe under the runner of middle part, and port and oil pump outlet valve down are connected fixedly on the runner of middle part, are linked together bottom the oil -out of lower pump coupling and the lower pump chamber. The utility model discloses a twice feed liquor, twice flowing back are accomplished to individual frequency of stroke, have improved the individual well and have produced the liquid measure.
Description
Technical field
This utility model relates to the improvement of oil well pump, the double acting sucker rod pump that a kind of Rodless oil extraction uses.
Background technology
In oil extraction, what oil field used is typically all single-acting pump.But, the oil well that some discharge capacities are relatively large, or oilfield exploitation entrance middle and late stage, the oil well that water content rises, need to use the oil well pump of relatively big pump diameter to improve the Liquid output of individual well, energy resource consumption and cost for oil production can be increased accordingly.Currently used double acting sucker rod pump, in structure, the quantity of valve is more, and structure is complicated, and fault rate is high, and service life is relatively short, and in being used for having bar to recover the oil.
Summary of the invention
The purpose of this utility model is to provide a kind of simple in construction, reliable operation, provides power with linear electric motors or hydraulic cylinder, is applied in Rodless oil extraction, in the case of same pump footpath, can improve the double acting sucker rod pump that the Rodless oil extraction of Liquid output and oil recovery efficiency uses.
nullIn order to reach object above，This utility model be the technical scheme is that the double acting sucker rod pump that this Rodless oil extraction uses，Including upper box cupling、Long pump barrel、Long-plunger、Lower pump box cupling、Short pump barrel and lower box cupling，Connected pipes is fixed in the upper end of upper box cupling，The lower end of lower box cupling connects the outer wall of linear electric motors，The upper end of short pump barrel is fixing with lower pump box cupling lower end to be connected，The lower end of short pump barrel is fixing with lower box cupling upper end to be connected，The bottom of long-plunger is set in short pump barrel intracavity，Long-plunger slides in short pump barrel intracavity gapless，The lower end of long-plunger is connected fixing with the drive shaft of linear electric motors，Lower pump box cupling upper end is connected fixing with long pump barrel lower end，It is characterized in that: the upper end of long pump barrel is provided with oil pump outlet valve，The sidewall of long pump barrel is provided with inlet，Long pump barrel intracavity is inserted in the upper end of long-plunger，Short-plunger is located at long pump barrel intracavity，Short-plunger outer wall slides with long pump barrel inwall gapless，Short-plunger lower end is fixed with active joint seat，The upper end of short-plunger is fixed with plug，Active joint is set in short-plunger intracavity，The lower end of active joint is fixed through being connected with long-plunger upper end after the active joint seat of short-plunger lower end，Cavity above short-plunger and between upper oil pump outlet valve is upper pump chamber，The cavity between long pump barrel and long-plunger below short-plunger is lower pump chamber；Described upper box cupling lower end is fixed with inverter, middle part runner and sidepiece runner it is provided with in inverter, the lower port of sidepiece runner is fixing with the outlet of upper oil pump outlet valve to be connected, the upper port of sidepiece runner and the intracavity inter-connection of upper box cupling, the lower port of middle part runner is connected by the oil-out of high-pressure oil pipe with lower pump box cupling, the upper port of middle part runner is connected fixing with lower oil pump outlet valve, and lower oil pump outlet valve is positioned at the intracavity of box cupling, and the oil-out of lower pump box cupling is connected with the bottom of lower pump chamber.
Described lower pump box cupling upper end is connected fixing by bottom short tube with long pump barrel lower end, and bottom short tube is set in the outside of long-plunger, is communicated with lower pump chamber and the gap of lower pump box cupling oil-out between bottom short tube and long-plunger；The upper end of described long pump barrel is connected fixing by middle part short tube with upper oil pump outlet valve；Described lower oil pump outlet valve is connected fixing by top short tube with the outlet of the middle part runner of inverter.
The outer sheath of described short pump barrel is provided with pump barrel outer tube, and the upper end of pump barrel outer tube is connected fixing with the lower thread of lower pump box cupling, and the lower end of pump barrel outer tube is threadeded fixing with the top of lower box cupling.
The beneficial effects of the utility model are: a jig frequency can complete twice feed liquor, twice discharge opeing, and compared with the oil well pump in same pump footpath, discharge capacity improves 50%, improves individual well Liquid output, and does not increase energy consumption, has saved cost for oil production.
Accompanying drawing explanation
Fig. 1 is structure cross-sectional schematic of the present utility model.
Fig. 2 is upper pump configuration enlarged diagram of the present utility model.
Fig. 3 is lower pump configuration enlarged diagram of the present utility model.
In figure: 1, lower oil pump outlet valve；2, upper box cupling；3, top short tube；4, inverter；5, upper oil pump outlet valve；6, middle part short tube；7, high-pressure oil pipe；8, upper pump chamber；9, plug；10, short-plunger；11, active joint；12, inlet；13, active joint seat；14, long-plunger；15, long pump barrel；16, lower pump chamber；17, bottom short tube；18, lower pump box cupling；19, short pump barrel；20, pump barrel outer tube；21, lower box cupling；22, middle part runner；23, sidepiece runner.
Detailed description of the invention
This utility model is made with reference to Fig. 1, Fig. 2, Fig. 3.nullThe double acting sucker rod pump that this Rodless oil extraction uses，Including upper box cupling 2、Long pump barrel 15、Long-plunger 14、Lower pump box cupling 18、Short pump barrel 19 and lower box cupling 21，Connected pipes is fixed in the upper end of upper box cupling 2，The lower end of lower box cupling 21 connects the outer wall of linear electric motors，The upper end of short pump barrel 19 is fixing with lower pump box cupling 18 lower end to be connected，The lower end of short pump barrel 19 is fixing with lower box cupling 21 upper end to be connected，The bottom of long-plunger 14 is set in short pump barrel 19 intracavity，Long-plunger 14 slides in short pump barrel 19 intracavity gapless，The lower end of long-plunger 14 is connected fixing with the drive shaft of linear electric motors，Thus drive long-plunger 14 to do by the drive shaft of linear electric motors、Lower linear motion，Lower pump box cupling 18 upper end is connected fixing with long pump barrel 15 lower end，It is characterized in that: the upper end of long pump barrel 15 is provided with oil pump outlet valve 5，The sidewall of long pump barrel 15 is provided with inlet 12，Long pump barrel 15 intracavity is inserted in the upper end of long-plunger 14，Short-plunger 10 is located at long pump barrel 15 intracavity，Short-plunger 10 outer wall slides with long pump barrel 15 inwall gapless，Short-plunger 10 lower end is fixed with active joint seat 13，The upper end of short-plunger 10 is fixed with plug 9，Active joint 11 is set in short-plunger 10 intracavity，The lower end of active joint 11 is fixed through being connected with long-plunger 14 upper end after the active joint seat 13 of short-plunger 10 lower end，Realize being flexibly connected between short-plunger 10 with long-plunger 14，Axial and circumferential motion is realized in plunger runs，Prevent holddown phenomenon，Cavity above short-plunger 10 and between upper oil pump outlet valve 5 is upper pump chamber 8，The cavity between long pump barrel 15 and long-plunger 14 below short-plunger 10 is lower pump chamber 16；Described upper box cupling 2 lower end is fixed with inverter 4, middle part runner 22 and sidepiece runner 23 it is provided with in inverter 4, the lower port of sidepiece runner 23 is fixing with the outlet of upper oil pump outlet valve 5 to be connected, the upper port of sidepiece runner 23 and the intracavity inter-connection of upper box cupling 2, the lower port of middle part runner 22 is connected by the oil-out of high-pressure oil pipe 7 with lower pump box cupling 18, the upper port of middle part runner 22 is connected fixing with lower oil pump outlet valve 1, lower oil pump outlet valve 1 is positioned at the intracavity of box cupling 2, and the oil-out of lower pump box cupling 18 is connected with the bottom of lower pump chamber 16.
Described lower pump box cupling 18 upper end is connected fixing by bottom short tube 17 with long pump barrel 15 lower end, and bottom short tube 17 is set in the outside of long-plunger 14, is communicated with lower pump chamber 16 and the gap of lower pump box cupling 18 oil-out between bottom short tube 17 and long-plunger 14；The upper end of described long pump barrel 15 is connected fixing by middle part short tube 6 with upper oil pump outlet valve 5, in order to in-site installation；Described lower oil pump outlet valve 1 is connected fixing by top short tube 3 with the outlet of the middle part runner 22 of inverter 4, in order to in-site installation.
The outer sheath of described short pump barrel 19 is provided with pump barrel outer tube 20, and the upper end of pump barrel outer tube 20 is connected fixing with the lower thread of lower pump box cupling 18, and the lower end of pump barrel outer tube 20 is threadeded fixing with the top of lower box cupling 21.
Operation principle of the present utility model: when assembly for plunger is up: short-plunger 10 upper end goes upward to inlet 12 upper end, upper pump chamber 8 seals, and volume reduces, and pressure increases, and upper oil pump outlet valve 5 is opened, it is achieved above pump out liquid；Short-plunger 10 lower end runs more than inlet 12 lower end, and lower pump chamber 16 is in communication with the outside, it is achieved lower pump feed liquor.When assembly for plunger is descending: short-plunger 10 lower end is run to inlet 12 lower end, lower pump chamber 16 seals, volume reduces, pressure increases, lower oil pump outlet valve 1 is opened, fluid by the space between lower pump box cupling 18 and long-plunger 14, is transported to oil pipe through oil-out and the high-pressure oil pipe 7 of bottom box cupling 18, it is achieved under pump out liquid；Short-plunger 10 upper end is run less than liquid outlet 12 upper end, and upper pump chamber 8 is in communication with the outside, it is achieved upper pump feed liquor.Thus, it is achieved twice feed liquor of a jig frequency, twice discharge opeing.
When using this utility model, upper pump chamber 8 and lower pump chamber 16 are respectively adopted the most independent oil discharge passage, and linear electric motors can also be substituted by hydraulic cylinder, according to the difference of type of drive, the position of the strict inlet 12 controlled on long pump barrel 15 and size, it is ensured that upper pump chamber 8 and the abundant feed liquor of lower pump chamber 16.Lower oil pump outlet valve 1 is connected with middle part runner 22 threaded upper ends of inverter 4 by top short tube 3, middle part runner 22 lower end of inverter 4 is connected with high-pressure oil pipe 7 in a welding manner, the lower end of high-pressure oil pipe 7 oil-out with lower pump box cupling 18 in a welding manner is connected, lower pump box cupling 18 is threadeded with long pump barrel 15 by bottom short tube 17, constitutes the whole oil discharge passage of lower pump.Sidepiece runner 23 upper end of inverter 4 is connected with upper box cupling 2 screw thread, threadeds with upper oil pump outlet valve 5 in sidepiece runner 23 lower end of inverter 4, and upper oil pump outlet valve 5 is threadeded with long pump barrel 15 by middle part short tube 6, the oil discharge passage of pump in composition.Short-plunger 10 uses isometrical plunger, and chamfering structure is made in upper end, and threadeds with plug 9, it is achieved scrape dirt function, prevents dirt, fluid etc. from entering short-plunger 10 endoporus simultaneously.
Claims (3)
- null1. the double acting sucker rod pump that Rodless oil extraction uses，Including upper box cupling (2)、Long pump barrel (15)、Long-plunger (14)、Lower pump box cupling (18)、Short pump barrel (19) and lower box cupling (21)，Connected pipes is fixed in the upper end of upper box cupling (2)，The lower end of lower box cupling (21) connects the outer wall of linear electric motors，The upper end of short pump barrel (19) is fixing with lower pump box cupling (18) lower end to be connected，The lower end of short pump barrel (19) is fixing with lower box cupling (21) upper end to be connected，The bottom of long-plunger (14) is set in short pump barrel (19) intracavity，The lower end of long-plunger (14) is connected fixing with the drive shaft of linear electric motors，Lower pump box cupling (18) upper end is connected fixing with long pump barrel (15) lower end，It is characterized in that: the upper end of long pump barrel (15) is provided with oil pump outlet valve (5)，The sidewall of long pump barrel (15) is provided with inlet (12)，Long pump barrel (15) intracavity is inserted in the upper end of long-plunger (14)，Short-plunger (10) is located at long pump barrel (15) intracavity，Short-plunger (10) lower end is fixed with active joint seat (13)，The upper end of short-plunger (10) is fixed with plug (9)，Active joint (11) is set in short-plunger (10) intracavity，The lower end of active joint (11) is connected fixing through the active joint seat (13) of short-plunger (10) lower end afterwards with long-plunger (14) upper end，Cavity between short-plunger (10) top and upper oil pump outlet valve (5) is upper pump chamber (8)，The cavity being positioned between long pump barrel (15) and the long-plunger (14) of short-plunger (10) lower section is lower pump chamber (16)；Described upper box cupling (2) lower end is fixed with inverter (4), middle part runner (22) and sidepiece runner (23) it is provided with in inverter (4), the lower port of sidepiece runner (23) is fixing with the outlet of upper oil pump outlet valve (5) to be connected, the upper port of sidepiece runner (23) and the intracavity inter-connection of upper box cupling (2), the lower port at middle part runner (22) is connected by the oil-out of high-pressure oil pipe (7) with lower pump box cupling (18), the upper port at middle part runner (22) is connected fixing with lower oil pump outlet valve (1), lower oil pump outlet valve (1) is positioned at the intracavity of box cupling (2), the oil-out of lower pump box cupling (18) is connected with the bottom of lower pump chamber (16).
- The double acting sucker rod pump that Rodless oil extraction the most according to claim 1 uses, it is characterized in that: described lower pump box cupling (18) upper end is connected fixing by bottom short tube (17) with long pump barrel (15) lower end, bottom short tube (17) is set in the outside of long-plunger (14), is communicated with lower pump chamber (16) and the gap of lower pump box cupling (18) oil-out between bottom short tube (17) and long-plunger (14)；The upper end of described long pump barrel (15) is connected fixing by middle part short tube (6) with upper oil pump outlet valve (5)；Described lower oil pump outlet valve (1) is connected fixing by top short tube (3) with the outlet of the middle part runner (22) of inverter (4).
- The double acting sucker rod pump that Rodless oil extraction the most according to claim 1 uses, it is characterized in that: the outer sheath of described short pump barrel (19) is provided with pump barrel outer tube (20), the upper end of pump barrel outer tube (20) is connected fixing with the lower thread of lower pump box cupling (18), and the lower end of pump barrel outer tube (20) is threadeded fixing with the top of lower box cupling (21).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620359870.2U CN205618340U (en) | 2016-04-26 | 2016-04-26 | Two effect oil -well pumps that no pole recovered oil and uses |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620359870.2U CN205618340U (en) | 2016-04-26 | 2016-04-26 | Two effect oil -well pumps that no pole recovered oil and uses |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205618340U true CN205618340U (en) | 2016-10-05 |
Family
ID=57028294
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620359870.2U Withdrawn - After Issue CN205618340U (en) | 2016-04-26 | 2016-04-26 | Two effect oil -well pumps that no pole recovered oil and uses |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205618340U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105673464A (en) * | 2016-04-26 | 2016-06-15 | 山东威马泵业股份有限公司 | Double-action oil well pump used for rodless oil extraction |
-
2016
- 2016-04-26 CN CN201620359870.2U patent/CN205618340U/en not_active Withdrawn - After Issue
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105673464A (en) * | 2016-04-26 | 2016-06-15 | 山东威马泵业股份有限公司 | Double-action oil well pump used for rodless oil extraction |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20161005 Effective date of abandoning: 20170531 |