CN201474933U - Feedback oil well pump - Google Patents
Feedback oil well pump Download PDFInfo
- Publication number
- CN201474933U CN201474933U CN2009202250275U CN200920225027U CN201474933U CN 201474933 U CN201474933 U CN 201474933U CN 2009202250275 U CN2009202250275 U CN 2009202250275U CN 200920225027 U CN200920225027 U CN 200920225027U CN 201474933 U CN201474933 U CN 201474933U
- Authority
- CN
- China
- Prior art keywords
- valve
- pump
- joint
- lower portion
- connecting tube
- 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.)
- Expired - Fee Related
Links
Images
Landscapes
- Details Of Reciprocating Pumps (AREA)
Abstract
The utility model relates to a feedback oil well pump; wherein the lower portion of an upper piston is connected with the upper portion of an oil outlet valve, the oil outlet valve is connected with the upper piston in an upper pump cylinder, a lower piston is arranged in a lower pump cylinder, the lower portion of the upper pump cylinder is connected with the upper portion of a connecting tube, the lower portion of the connecting tube is connected with the upper portion of a channel joint, the lower portion of the channel joint is connected with the large screw of a shunt joint, the lower portion of a lower pump cylinder is connected with the upper portion of the shunt joint, the lower portion of the shunt joint is connected with an oil inlet valve, the shunt joint is provided with a side channel communicated with the oil inlet valve, and the shunt joint is provided with an upright channel communicated with the lower pump cylinder. The connecting tube bears axial force, and the lower pump cylinder not bears axial force, therefore, the feedback oil well pump can be produced with a long tail tube and a packer. The oil inlet valve is mounted at lower portion and is not limited by pump diameter, and therefore, in original cased well, the valve ball can be large enough, to realize flexible operation in heavy oil well, on-time close and high reliability.
Description
One, technical field:
The utility model is the instrument of taking out viscous crude of oil field oil recovery usefulness, is a kind of feedback type oil-well pump.
Two, background technique:
Existing feedback type oil-well pump is to be composed in series by the different oil well pump in two pumps footpath, produces downward thrust by area difference and pressure difference, is called feedback force.Therefore, it is little pump that a pump must be arranged, because the external diameter of little pump is little, rigidity and intensity are low, and resistance to compression and resistance to tension are low, can not belt length tail pipe and packet production, and many wells of oil production by layer that need can not use.The valve ball of general feedback type oil-well pump is installed on the plunger, directly limited by pump, and the valve ball diameter is less, and the work that is easy in viscous crude is ineffective, causes that oil well is not fuel-displaced.Oil well pump is increased the weight of in Chinese patent application 200620085231.8 bottoms, valve body is an eccentric structure, the oiling valve bulb diameter is not directly limited by pump, increased the oiling valve bulb diameter, it is worked in thick oil well flexibly, close immediately, improved the reliability of oil well pump, but it is limited by casing diameter also, and oiling valve bulb diameter increased space is limited.
Three, summary of the invention:
The purpose of this utility model is a kind of feedback type oil-well pump of design, can belt length tail pipe and packet production, and the oiling valve bulb diameter is not directly limited by pump, can increase the oiling valve bulb diameter, it is worked in thick oil well flexibly, close immediately, improve the reliability of oil well pump.
The purpose of this utility model is achieved in that by last pump barrel, upper plug, outlet valve, following pump barrel, lower plunger is formed, upper plug is connected with outlet valve, the outlet valve bottom is connected with lower plunger, upper plug is in the pump barrel, lower plunger is in the following pump barrel, also has connecting tube, the runner joint, tap, oiling valve, last pump barrel bottom is connected with connecting tube top, the connecting tube bottom is connected with runner joint top, runner joint bottom is connected with the major thread of tap, following pump barrel bottom is connected with tap top, and the tap bottom is connected with oiling valve, and side runner is arranged on the tap, side runner communicates with oiling valve, perpendicular runner is arranged on the tap, and perpendicular runner communicates with following pump barrel, and outlet valve is an interlock ring valve.
The beneficial effects of the utility model are: connecting tube bears axial force, and following pump barrel does not bear axial force, therefore, and can belt length tail pipe and packet production; Oiling valve is installed in the bottom, not directly limited by pump, the valve ball diameter can be increased to enough big diameter in existing cased well, and it is worked in thick oil well flexibly, closes immediately, has improved the reliability of oil well pump greatly.
Four, description of drawings:
Accompanying drawing is the utility model kind embodiment's a erection drawing.
Five, embodiment:
Below in conjunction with accompanying drawing embodiment of the present utility model is described.As seen from the figure, embodiment of the present utility model is by last pump barrel 1, upper plug 2, outlet valve 3, connecting tube 4, following pump barrel 5, lower plunger 6, runner joint 7, tap 8, oiling valve 9 is formed, upper plug 2 is connected with outlet valve 3, the valve diameter of outlet valve 3 is greater than the bottom diameter of upper plug 2, both cone match sealings, play the switch runner, (scene is called valve pump) same as the prior art, the promotion cover of diameter greater than the upper plug internal diameter arranged at outlet valve 3 tops, and be on the upper plug upper-end surface, it is descending to promote upper plug 2 when descending, promotes to have put chute, has only certain operating range between outlet valve 3 and the upper plug 2.Outlet valve 3 bottoms are connected with lower plunger 6, upper plug 2 is in the pump barrel 1, lower plunger 6 is in the following pump barrel 5, last pump barrel 1 bottom is connected with connecting tube 4 tops, connecting tube 4 bottoms are connected with runner joint 7 tops, runner joint 7 bottoms are connected with the major thread of tap 8, following pump barrel 5 bottoms are connected with tap 8 tops, and tap 8 bottoms are connected with oiling valve 9, also Returnning spring can be arranged in the oiling valve 9, helping valve ball in time closes, side runner 10 is arranged on the tap 8, and side runner 10 communicates with oiling valve 9, and perpendicular runner 11 is arranged on the tap 8, perpendicular runner 11 communicates with following pump barrel 5, and perpendicular runner 11 communicates with sleeve pipe.Outlet valve 3 is an interlock ring valve, has connecting rod to pass upper plug 2 and is connected with sucker rod with sucker rod and is synchronized with the movement, and interlock ring valve cut out when sucker rod was up, and interlock ring valve was opened when sucker rod was descending, and this kind valve type is suitable for using in the viscous crude.Taper mouth is arranged at upper plug 2 tops, is beneficial to and strike-offs, and prevents the sand card.Upper plug 2 tops are connected with sucker rod, it is up to drive upper plug 2, outlet valve 3, lower plunger 6 when sucker rod is up, outlet valve 3 cuts out, oiling valve 9 is opened, the annular pass of well liquid between oiling valve 9, side runner 10 and following pump barrel 5 and connecting tube 4 enters under the outlet valve 3, and the feed liquor area is the area difference of upper plug 2 and lower plunger 6.When sucker rod was descending, upper plug 2, outlet valve 3, lower plunger 6 were descending, and outlet valve 3 is opened, and oiling valve 9 cuts out, and the well liquid that enters under the outlet valve 3 drains on the pump.Lower plunger bottom and oil well casing UNICOM.Upper plug 2 bears head pressure with the area difference of lower plunger 6 when descending, and oil well pressure is born in lower plunger 6 lower end surfaces, and head pressure is higher than oil well pressure, thereby forms downward feedback force, makes sucker rod descending smoothly.
Claims (1)
1. feedback type oil-well pump, by last pump barrel (1), upper plug (2), outlet valve (3), following pump barrel (5), lower plunger (6) is formed, upper plug (2) is connected with outlet valve (3), outlet valve (3) bottom is connected with lower plunger (6), upper plug (2) is in the pump barrel (1), lower plunger (6) is in the following pump barrel (5), it is characterized in that: also have connecting tube (4), runner joint (7), tap (8), oiling valve (9), last pump barrel (1) bottom is connected with connecting tube (4) top, connecting tube (4) bottom is connected with runner joint (7) top, runner joint (7) bottom is connected with the major thread of tap (8), following pump barrel (5) bottom is connected with tap (8) top, tap (8) bottom is connected with oiling valve (9), side runner (10) is arranged on the tap (8), and side runner (10) communicates with oiling valve (9), and perpendicular runner (11) is arranged on the tap (8), perpendicular runner (11) communicates with following pump barrel (5), and outlet valve (3) is an interlock ring valve.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009202250275U CN201474933U (en) | 2009-08-20 | 2009-08-20 | Feedback oil well pump |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009202250275U CN201474933U (en) | 2009-08-20 | 2009-08-20 | Feedback oil well pump |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201474933U true CN201474933U (en) | 2010-05-19 |
Family
ID=42411179
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2009202250275U Expired - Fee Related CN201474933U (en) | 2009-08-20 | 2009-08-20 | Feedback oil well pump |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201474933U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106545487A (en) * | 2015-09-16 | 2017-03-29 | 中国石油化工股份有限公司 | A kind of hollow oil well pump of ring valve overhead type |
-
2009
- 2009-08-20 CN CN2009202250275U patent/CN201474933U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106545487A (en) * | 2015-09-16 | 2017-03-29 | 中国石油化工股份有限公司 | A kind of hollow oil well pump of ring valve overhead type |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN201386526Y (en) | Plunger capture device used for plunger gas-lift well mouth | |
| CN102392629A (en) | Pressurizing device for ground drive downhole oil-water separation injection-production system in same well | |
| CN101781979B (en) | Hydraulic driving oil extraction equipment | |
| CN201620854U (en) | Double-element split type plunger gas lift tool | |
| CN210715038U (en) | Anti-gas pumping-assisting thick oil pump | |
| CN101539133B (en) | Feedback type oil-well pump | |
| CN201474933U (en) | Feedback oil well pump | |
| CN201391442Y (en) | Feedback-type defueling pump | |
| CN201778686U (en) | Oil-mixing and gas-preventing integrated lifting process pipe column | |
| CN204163964U (en) | Ring valve type hydraulic feedback oil | |
| CN203670171U (en) | Annular-valve type anti-cavitation oil well pump | |
| CN101936147A (en) | Multifunctional double-acting hydraulic oil producing device | |
| CN207813581U (en) | Hydraulic oil drain device and the oil well hydraulic lifting extracting device of oil for using the bleeder | |
| CN201474934U (en) | Feedback oil well pump | |
| CN205013257U (en) | Novel oil gas well plunger pump | |
| CN2898365Y (en) | Two-stage runner synergistic oil well pump | |
| CN201176922Y (en) | Bridge type separated oil production pump | |
| CN2903472Y (en) | Large channel solid plunger rod type oil pump | |
| CN201074589Y (en) | Multipurpose standing valve for oil well pump | |
| CN204532798U (en) | A kind of oil-well pump oil inlet valve | |
| CN2538953Y (en) | Oil well oil pumping oil booster | |
| CN110608158A (en) | Anti-gas pumping-assisting thick oil pump | |
| CN201214986Y (en) | Anti-pollution well washing oil extraction device | |
| CN202483515U (en) | Vacuum return bailing pump | |
| CN201228538Y (en) | Non-rod pumping unit |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20100519 Termination date: 20100820 |