CN2455946Y - Pump for oil well - Google Patents
Pump for oil well Download PDFInfo
- Publication number
- CN2455946Y CN2455946Y CN 00257529 CN00257529U CN2455946Y CN 2455946 Y CN2455946 Y CN 2455946Y CN 00257529 CN00257529 CN 00257529 CN 00257529 U CN00257529 U CN 00257529U CN 2455946 Y CN2455946 Y CN 2455946Y
- Authority
- CN
- China
- Prior art keywords
- oil
- pump
- centralizer
- well
- recovery well
- 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
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Abstract
The utility model relates to an oil increasing pump for an oil producing well, which is characterized in that the utility model is provided with an oil increasing pump barrel for an oil producing well, which is connected with an oil pumping pipe in series. The inner portion of the oil increasing pump barrel for an oil producing well is orderly connected with an upper centralizer, a pull rod, an oil increasing valve, a pull rod, a lower centralizer and a pull rod from top to bottom by pull rods. The oil increasing valve is a one-way valve which causes oil to be only able to flow upwards from bottom. The utility model has the advantages that the utility model can cause a deep well pump (an oil well pump) to reduce the load of the oil well pump to achieve the normal operating state, the service life is prolonged, the production cost is reduced, and the pump efficiency is improved.
Description
The utility model belongs to the supplementary equipment of oil recovery well oil well pump, particularly a kind of oil recovery well oil-adding pump.
At present in oilfield process, it is very general that oil well uses deep-well pump (oil well pump) to recover the oil, and is the main mode that adopts of each oilfield so far.(working method is seen pumping well schematic representation 1).Because oil well pump is when underground work, be subjected to influence from liquid in the oil pipe (oil, water) pressure, (particularly descending the pump degree of depth) at the following oil well of 1000m, the oil well pump bottom valve is at the ground pumping unit upstroke initial stage, can not in time open, commutate to the down stroke initial stage and work as pumping unit, the oil well pump bottom valve cuts out again too early, cause the oil well pump pump efficiency to be affected, (collect the oil field the Dagang Oilfield south officials of feudal dynasties, the pump degree of depth is between 1300-1600m under the most wells, and pump efficiency is between 15-30%) cause the fuel-displaced minimizing of oil well.Another distinct issues are because oil well pump bears excess pressure, and travelling valve and pump barrel bottom standing valve (bottom valve) diapirism on the plunger take place in process of production often, cause the oil well pump detection and workover, have increased the employing cost of production.
The purpose of this utility model provides a kind of oil recovery well oil-adding pump, overcomes above shortcoming and defect of the prior art.Consider the problem in the above oil well pump oil recovery process, load for alleviating oil well pump,, the deep-well pump (oil well pump) that oil well is used is to reach normal working.Increase the service life, reduce production costs, improve pump efficiency.
The purpose of this utility model is achieved in that
A kind of oil recovery well oil-adding pump is characterized by: the oil recovery well oil-adding pump tube on the oil pick-up tube of being serially connected in is arranged, and oil recovery well is with being connected with centralizer by pull bar successively from top to bottom in the oil-adding pump tube, and pull bar increases fuel tap, pull bar, following centralizer, pull bar; Increase fuel tap and promptly be one and make the oil one-way valve to flow from bottom to top only.
Centralizer is made up of the middle centralizer pull bar that connects that the centralizer bearing is inserted through centralizer body.Centralizer body has the king bolt oil groove outward.
Increase fuel tap and connected to form by valve bonnet up and down, steel ball and ball seat are housed in the valve bonnet up and down, following valve bonnet is with a grade oil jacket outward: valve bonnet is on its bottom, hole sidewall of blind hole of hollow uniform long inclined oil hole of air to be arranged up and down.
The utility model has the advantages that:
The deep-well pump (oil well pump) that oil well is used alleviates the oil well pump load, reaches normal working.Increase the service life, reduce production costs, improve pump efficiency.
Below in conjunction with description of drawings embodiment:
Fig. 1 is an oil recovery well oil-adding pump mounting point schematic representation
Fig. 2 is an oil recovery well oil-adding pump structural representation
Fig. 3 is an oil recovery well oil-adding pump pump barrel schematic representation
Fig. 4 is oil recovery well is connected usefulness with oil pick-up tube with the oil-adding pump pump barrel a box cupling structural representation
Fig. 5 is an oil recovery well with centralizer sectional drawing on the oil-adding pump
Fig. 6 is that oil recovery well increases the fuel tap structural representation with oil-adding pump
Fig. 7 is that oil recovery well increases fuel tap A-A and B-B sectional drawing with oil-adding pump
Fig. 8 is an oil recovery well with centralizer sectional drawing under the oil-adding pump
Fig. 9 is an oil recovery well oil-adding pump centralizer body external spiral groove sectional drawing
A kind of oil recovery well oil-adding pump is connected on oil recovery well on the oil pick-up tube with oil-adding pump tube 2 by box cupling 1 polyphone, and oil recovery well is with being connected with centralizer 4 by pull bar 3 successively from top to bottom in the oil-adding pump tube, and pull bar 5 increases fuel tap 6, pull bar 7, following centralizer 8, pull bar 9; Increase fuel tap and promptly be one and make the oil one-way valve to flow from bottom to top only.
Centralizer is made up of the middle centralizer pull bar 12 that connects that centralizer bearing 10 is inserted through centralizer body 11.Centralizer body has king bolt oil groove 13 outward.
Increase fuel tap and connected to form by valve bonnet 14,15 up and down, steel ball 16 and ball seat 17 are housed in the valve bonnet up and down, following valve bonnet is with grade oil jacket 18 outward; Valve bonnet is on its bottom, hole sidewall of blind hole of hollow uniform long inclined oil hole of air 19 to be arranged up and down.
One, oil recovery well oil-adding pump structure
1, pump part-forms pump barrel (undergauge oil pipe)-length 9700mm by 2 extraordinary box cuplings 1 and pump barrel 2, N80 tubing increases hardness through Carburization Treatment, and alignment, hone raising degree of finish, minimizing and centralizer and increase friction between the fuel tap.Extraordinary box cupling-use the 35CrMo material after quenching with Subsequent tempering, is used for being connected between pump barrel and the oil pipe.、
2, increase fuel tap assembly-by last valve bonnet 14, down valve bonnet 15, steel ball 16, ball seat 17 and shelves oil 18 covers etc. are formed.Last valve bonnet-use the 35CrMo material, quenching with Subsequent tempering, top is connected with the top centralizer, and the bottom is connected with following valve bonnet, and steel ball moves up and down in last valve bonnet inside, realizes putting forward oily purpose.Following valve bonnet-35CrMo material, quenching with Subsequent tempering, top is connected with last valve bonnet, and the bottom is connected with the bottom centralizer, and effect is with last valve bonnet stationary balls seat.Steel ball-employing 9Cr18Mo material after heat treatment, is installed in the valve bonnet.Steel ball seat-employing 6Cr18Mo material through heat treatment, is installed in up and down between the valve bonnet.Effect is to realize sealing when up and between the steel ball increasing fuel tap.Shelves oil jacket-oil recovery ZQSnD10-1 high-abrasive material is installed in down the valve bonnet outside, realizes the purpose that stops crude oil to descend during work and between the pump barrel.Special spring pad-employing 65Mn material is used for fixing a grade oil jacket.
3, top centralizer assembly-form by centralizer bearing, centralizer pull bar, centralizer body.
Centralizer bearing-employing 35CrMo material uses after modified, and top connects well rod, and the bottom connects top centralizer pull bar.
Centralizer pull bar-employing 35CrMo material uses after modified, and top connects the centralizer bearing, bottom connection increasing fuel tap.
Centralizer body-employing polytetrafluoroethylmaterial material is used to during work overcome because the oil well gradient causes to increase between fuel tap and the pump barrel and rubs.
4, bottom centralizer assembly-by bottom centralizer bearing, bottom become the snapping head, centralizer body is formed.Effect-top connection increasing fuel tap, the bottom connects well rod.
When two, designing,
1, centralizer and increase fuel tap up and down, tensile strength all is higher than 1 sucker rod (1 rod area 506m
2)
2, area of passage is all greater than area of passage (643m between 1 box cupling and the oil pipe
2)
3, centralizer and increase fuel tap hardness and all be lower than pump barrel internal diameter hardness (HRC57-62) and can not make the pump barrel serious wear when guaranteeing work causes the accident.
Three, working principle is when the ground pumping unit horsehead is descending, and sucker rod in the oil well is because own wt is descending.This moment, the oil well pump bottom valve was in closed condition, and liquid is motionless in oil pipe, and oil recovery well is descending with sucker rod with oil-adding pump.Oil recovery well is subjected to liquid resistance in the oil pipe with oil-adding pump, increases in the fuel tap and moves on the steel ball, and liquid is by the oil recovery well oil-adding pump.When the ground pumping unit was up, sucker rod was raised up under the pumping unit horsehead effect in the oil well.Liquid body pressure and own wt influence this moment, steel ball moves down oil recovery well automatically in the fuel tap with increasing in the oil-adding pump, closely cooperates with steel ball seat, increases fuel tap and is in closed condition, promotes in the oil pipe and moves on the liquid.Use in the oil-adding pump working procedure at oil recovery well, bear the fluid pressure in the oil pipe of most of oil well pump top, alleviated the oil well pump load, make oil well pump bottom valve and travelling valve open and close freely, simultaneously when sucker rod is up, because oil recovery well accelerates oil well pump bottom valve feed liquor with the extract effect of oil-adding pump, has improved pump efficiency.Install the oil recovery well oil-adding pump in the oil well additional, alleviated the oil well pump load, make oil well pump be in operation under the works fine state, increased the working life of oil well pump, prolonged pump detection period, the purpose that having reached reduces production costs increases economic efficiency.
Claims (4)
1, a kind of oil recovery well oil-adding pump, it is characterized by: the oil recovery well oil-adding pump tube on the oil pick-up tube of being serially connected in is arranged, oil recovery well is with being connected with centralizer by pull bar successively from top to bottom in the oil-adding pump tube, pull bar, increase fuel tap, pull bar, following centralizer, pull bar: increase fuel tap and promptly be and make the oil one-way valve to flow from bottom to top only.
2, oil recovery well oil-adding pump according to claim 1 is characterized by: centralizer is made up of the middle centralizer pull bar that connects that the centralizer bearing is inserted through centralizer body.
3, oil recovery well oil-adding pump according to claim 1 is characterized by: increase fuel tap and connected to form by valve bonnet up and down, steel ball and ball seat are housed in the valve bonnet up and down, following valve bonnet is with a grade oil jacket outward; Valve bonnet is on its bottom, hole sidewall of blind hole of hollow uniform long inclined oil hole of air to be arranged up and down.
4, oil recovery well oil-adding pump according to claim 2, it is characterized by: centralizer body has the king bolt oil groove outward.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 00257529 CN2455946Y (en) | 2000-10-27 | 2000-10-27 | Pump for oil well |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 00257529 CN2455946Y (en) | 2000-10-27 | 2000-10-27 | Pump for oil well |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2455946Y true CN2455946Y (en) | 2001-10-24 |
Family
ID=33614019
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 00257529 Expired - Fee Related CN2455946Y (en) | 2000-10-27 | 2000-10-27 | Pump for oil well |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2455946Y (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102900416A (en) * | 2012-10-11 | 2013-01-30 | 孙大伟 | Device and method for reducing pressure and increasing oil |
-
2000
- 2000-10-27 CN CN 00257529 patent/CN2455946Y/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102900416A (en) * | 2012-10-11 | 2013-01-30 | 孙大伟 | Device and method for reducing pressure and increasing oil |
| CN102900416B (en) * | 2012-10-11 | 2016-03-23 | 韩飞翔 | Step-down increases the device and method of oil |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C57 | Notification of unclear or unknown address | ||
| DD01 | Delivery of document by public notice |
Addressee: Xu Guangsheng Document name: Notification of Termination of Patent Right |
|
| C19 | Lapse of patent right due to non-payment of the annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |