CN2632313Y - Underground spiral lifter for screw pump oil extraction - Google Patents
Underground spiral lifter for screw pump oil extraction Download PDFInfo
- Publication number
- CN2632313Y CN2632313Y CN 03266441 CN03266441U CN2632313Y CN 2632313 Y CN2632313 Y CN 2632313Y CN 03266441 CN03266441 CN 03266441 CN 03266441 U CN03266441 U CN 03266441U CN 2632313 Y CN2632313 Y CN 2632313Y
- Authority
- CN
- China
- Prior art keywords
- oil
- screw pump
- screw
- pump
- sucker rod
- 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 - Lifetime
Links
- 238000000605 extraction Methods 0.000 title abstract 3
- 239000002184 metal Substances 0.000 claims abstract description 14
- 238000004519 manufacturing process Methods 0.000 claims abstract description 10
- 238000003466 welding Methods 0.000 claims abstract description 4
- 239000000463 material Substances 0.000 claims description 7
- 230000000295 complement effect Effects 0.000 claims description 2
- 210000002985 organ of corti Anatomy 0.000 claims 1
- 239000004576 sand Substances 0.000 abstract description 10
- 230000000694 effects Effects 0.000 abstract description 6
- 239000003129 oil well Substances 0.000 abstract description 5
- 230000011218 segmentation Effects 0.000 abstract description 3
- 238000000034 method Methods 0.000 abstract 1
- 238000011084 recovery Methods 0.000 description 4
- 238000005516 engineering process Methods 0.000 description 3
- 239000012530 fluid Substances 0.000 description 2
- 238000005086 pumping Methods 0.000 description 2
- 206010000234 Abortion spontaneous Diseases 0.000 description 1
- 244000273618 Sphenoclea zeylanica Species 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 208000015994 miscarriage Diseases 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 208000000995 spontaneous abortion Diseases 0.000 description 1
Images
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- Structures Of Non-Positive Displacement Pumps (AREA)
Abstract
The utility model discloses an underground screw lifting device for screw pump oil extraction, which belongs to the oil extraction underground tool. The utility model discloses a when producing oil to the screw pump, the lift that the oil stream rises is not enough and the easy skew wearing and tearing of hollow sucker rod, and the unadapted sand well of producing and developing, it includes the main part that connects the constitution from top to bottom, the welding has metal vane in the main part, couple the device on hollow sucker rod with the screw thread during use, go into the oil well along with the pump together, the rotatory its rotation of drive of sucker rod, produce the power of lifting, make the pit shaft oil stream strengthen, accelerate to flow, thereby screw pump availability factor has been improved, in addition, this device can play the effect of rightting to the sucker rod, still can segmentation sand setting, prevent sand card in the well, because the device simple structure, high durability and convenient use, and provide support for ground drive screw pump oil production technique, therefore, the oil pump has extensive popularization prospect.
Description
Technical field:
The utility model relates to a kind of down-hole bottle jack that is used for screw pump oil production, belongs to screw pump oil production down-hole instrument class.
Background technology:
It is a kind of novel oil production technology that grows up the beginning of the eighties that ground driving screw pump recovers the oil, it is to drive the down-hole pump rotation by the surface driving head by sucker rod to make the annular space of fluid between rod string and oil pipe flow out ground realization oil recovery, this oil well pump novel structure, the oil recovery efficiency height, use face very wide in the oil field, but this pump easily departs from owing to oil flows the lifting force deficiency and the hollow stem that rise in application, the effect of attrition recovery ratio, and this oil well pump system incompatibility is shaked out, and oil well easily causes sand card oil pump at the down-hole sand setting.
The utility model content:
The utility model purpose is in order to overcome above-mentioned shortcoming, and provide a kind of down-hole bottle jack that is used for screw pump oil production, it and the supporting use of screw pump, during work, produce upwards lifting force by the rotation of sucker rod rotating band moving vane, assistance screw pump work is played and is improved pump efficiency and again can centralizing function to sucker rod, also can play the effect of sand setting sand control card simultaneously.
The utility model implementation is:
The down-hole bottle jack that the utility model provides, the lower contact that is welded on the bottom by top connection with it is formed, and is welding two groups of symmetry metal blades above the described lower contact; Described top connection and lower contact are manufactured with the hollow rod joint, and lifting jack column one end of being made up of upper and lower joint is a box, and the other end is a pin thread, and described screw thread all is complementary with the hollow rod screw thread.Described metal blade and bottle jack column are for being symmetrically distributed, and bottle jack column center line and metal blade vertical center line angle are 180 degree, and this metal blade rises in the shape of a spiral, and helical angle is between 20～40 degree; Described top connection, lower contact, metal blade material are made for the 30CrMo material.
The utility model compared with prior art has a significant effect.
After adopting such structure, because segmentation is connecting the down-hole bottle jack between hollow the taking out of existing technology screw pump, during oil recovery, sucker rod drives blade and rotates in oil pipe, makes the oil miscarriage give birth to upwards lifting force, has improved the screw pump operating efficiency, simultaneously, for sucker rod, bottle jack plays centralizing function in oil pipe, can in time sand grains be circulated in again to play the segmentation sand setting in the oil stream and prevent the effect of sand card under screw pump termination of pumping situation for some reason.
The utility model also has simple in structure, the oil pumping effect is big, advantages such as performance is good, and is easy to use, with low cost, during use, only need it is coupled between hollow rod by the hollow rod distance of design in advance, and with sucker rod G.I.H together, behind the starting oil well pump, this device can together rotate with hollow rod, assists screw pump lifting fluid.
Description of drawings:
The utility model structural representation.
Among the figure 1, top connection, 2, lower contact, 3, metal blade.
The specific embodiment:
The utility model is provided by following examples, below in conjunction with accompanying drawing the utility model is described further.
Accompanying drawing has provided the utility model concrete structure.Top connection 1 is the solid joint of hollow rod with lower contact 2, is coupled to a column by welding manner, to reach antitorque requirement.Top connection 1 is a box, and the lower contact bottom has pin thread, is the hollow rod screw thread, during the supporting use of the used hollow rod screw thread of body two ends screw thread and screw pump, connects very convenient.
Top connection 1, lower contact 2, metal blade 3 materials are manufactured for the 30CrMo material and are formed.Metal blade 3 is welded on position, bottle jack column middle and lower part, and for being symmetrically distributed, helix rises in the shape of a spiral, and helical angle is between 20～40 degree, and bottle jack column center line and metal blade vertical center line angle are 180 degree.
Claims (4)
1, a kind of down-hole bottle jack that is used for screw pump oil production is characterized in that described lifting jack is made up of top connection (1) is welded on the bottom with it lower contact (2), is welding two groups of symmetry metal blades (3) on lower contact (2).
2, a kind of down-hole bottle jack that is used for screw pump oil production according to claim 1, it is characterized in that top connection (1) and lower contact (2) are the making of hollow rod joint material, lifting jack column one end of being made up of upper and lower joint is a pin thread for the box other end, and described screw thread all is complementary with the hollow rod screw thread.
3, a kind of down-hole bottle jack that is used for screw pump oil production according to claim 1, it is characterized in that described this metal blade (3) and bottle jack column are symmetrical distribution, spiral organ column and blade vertical centre angle are 180 degree, metal blade rises in the shape of a spiral, and helical angle is between 20～40 degree.
4, a kind of down-hole bottle jack that is used for screw pump oil production according to claim 1 is characterized in that the material of described top connection (1), lower contact (2), metal blade (3) is made for the 30CrMo material.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 03266441 CN2632313Y (en) | 2003-07-01 | 2003-07-01 | Underground spiral lifter for screw pump oil extraction |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 03266441 CN2632313Y (en) | 2003-07-01 | 2003-07-01 | Underground spiral lifter for screw pump oil extraction |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2632313Y true CN2632313Y (en) | 2004-08-11 |
Family
ID=34298265
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 03266441 Expired - Lifetime CN2632313Y (en) | 2003-07-01 | 2003-07-01 | Underground spiral lifter for screw pump oil extraction |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2632313Y (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104405344A (en) * | 2014-11-19 | 2015-03-11 | 艾斯韦尔工程技术服务（北京）有限公司 | Pumping assistor |
-
2003
- 2003-07-01 CN CN 03266441 patent/CN2632313Y/en not_active Expired - Lifetime
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104405344A (en) * | 2014-11-19 | 2015-03-11 | 艾斯韦尔工程技术服务（北京）有限公司 | Pumping assistor |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CX01 | Expiry of patent term |
Expiration termination date: 20130701 Granted publication date: 20040811 |