CN201232540Y - Oil pumping machine downhole energy storage economizer - Google Patents
Oil pumping machine downhole energy storage economizer Download PDFInfo
- Publication number
- CN201232540Y CN201232540Y CNU2008201875585U CN200820187558U CN201232540Y CN 201232540 Y CN201232540 Y CN 201232540Y CN U2008201875585 U CNU2008201875585 U CN U2008201875585U CN 200820187558 U CN200820187558 U CN 200820187558U CN 201232540 Y CN201232540 Y CN 201232540Y
- Authority
- CN
- China
- Prior art keywords
- spring
- energy
- energy storage
- adaptor
- connecting ring
- 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 a down-hole energy storage saver of an oil pumping well, which comprises a cross-over connector, a tubing hanger connector, an adaptor, a spring tube, an upper energy storage spring, a connecting ring, a lower energy storage spring, a spring limiting device and an oil pipe connector; the down-hole energy storage device of the oil pumping well is cylindrical; the upper end of the storage device is provided with the tubing hanger connector; the lower end is provide with the oil pipe connector which is connected with the spring tube by thread, and the inside is subsequently provided with the cross-over connector, the adapter, the upper energy storage spring, the connecting ring, the lower energy storage spring and the spring limiting device from top to down; the cross-over connector is pressed on the adaptor; the adaptor is pressed on the upper energy storage spring; the upper energy storage spring is pressed on the connecting ring; the connecting ring is pressed on the lower energy storage spring; the lower energy storage spring is arranged on the spring limiting device; the spring limiting device is arranged on the oil pipe connector; the tubing hanger connector is connected with a well head tubing hanger by thread; the oil pipe connector is connected with an oil pipe by thread; the upper part of the cross-over connector is connected with a polished rod by thread, and the lower part is connected with a sucker rod by thread. Energy is stored and released by the spring, which assists an oil pumping unit to work.
Description
One, technical field
The utility model relates to the special instrument in down-hole that a kind of oil field machinery oil uses, and is the underwell energy reservation and saving device for beam-pumping unit that is used for the energy-conservation usefulness of oil pumping machine oil pumping process.
Two, background technology
At present, the oil pump energy-saving device all is mounted on the oil pumper on ground, and energy-saving effect is not too obvious.Also there is not at present to find to be arranged on the interior energy saver of pit shaft.
Three, summary of the invention
The purpose of this utility model provides a kind of underwell energy reservation and saving device for beam-pumping unit, the descending gravitional force of sucker rod is transformed into the potential energy of the built-in spring of down-hole energy reservation and saving device, when upstroke, again the potential energy of spring is discharged and be converted into the up kinetic energy of sucker rod, thereby solve the power consumption problem that reduces pumping-unit motor.
The technical solution of the utility model realizes in the following manner:
The utility model is by becoming the snapping head, the boll-weevil hanger joint, adaptor, spring strut, last energy-stored spring, connecting ring, following energy-stored spring, spring retainer and oil connection are formed, it is characterized in that rod-pumped well down-hole accumulator is made as cylindrical shape, its upper end is provided with the boll-weevil hanger joint, its lower end is provided with oil connection, be threaded with spring strut, be provided with by preface from top to bottom in it and become the snapping head, adaptor, last energy-stored spring, connecting ring, following energy-stored spring and spring retainer, becoming the snapping head is pressed on the adaptor, adaptor is pressed on the energy-stored spring, last energy-stored spring is pressed on the connecting ring, connecting ring is pressed in down on the energy-stored spring, following energy-stored spring is sitting on the spring retainer, and spring retainer is sitting on the oil connection; The boll-weevil hanger joint is threaded with the well head boll-weevil hanger, and oil connection is connected with tubing round thread; Become snapping head top and be threaded with polished rod, the bottom is threaded with sucker rod.
Change snapping head is made as cylindrical, and top is provided with the polished rod nipple, and the bottom is provided with the sucker rod nipple, and the middle part is provided with sleeve, and is welded with support between the change snapping head, and sleeve diameter is greater than the adaptor internal diameter.
Connecting ring is made as T shape ring, and is vertical with spring strut, between be made as movingly.
Spring retainer is made as cylindrical, and its external diameter is less than the spring strut internal diameter.
The internal diameter of oil connection is less than the external diameter of spring retainer.
The utility model and prior art are through having the following advantages:
1, energy storage capacity is big, according to the concrete condition of rod-pumped well several accumulators of can connecting.
2, accumulator is installed near well head, and spring releases energy directly to discharge and gives polished rod, can not cause rod sag, and the energy storage loss is little.
3, power savings is remarkable, and a bite well can be saved 80KW in one day.
Four, description of drawings
Accompanying drawing is a structural representation of the present utility model.
1-becomes snapping head 2-boll-weevil hanger joint 3-adaptor 4-spring strut among the figure
Energy-stored spring 8-spring retainer 9-oil connection under the last energy-stored spring 6-of the 5-connecting ring 7-
Five, the specific embodiment
For further disclosing the technical solution of the utility model, elaborate by embodiment below in conjunction with Figure of description:
As shown in the figure, a kind of underwell energy reservation and saving device for beam-pumping unit, by becoming snapping head 1, boll-weevil hanger joint 2, adaptor 3, spring strut 4, last energy-stored spring 5, connecting ring 6, following energy-stored spring 7, spring retainer 8 and oil connection 9 are formed, it is characterized in that rod-pumped well down-hole accumulator is made as cylindrical shape, its upper end is provided with the boll-weevil hanger joint, its lower end is provided with oil connection, be threaded with spring strut, be provided with by preface from top to bottom in it and become the snapping head, adaptor, last energy-stored spring, connecting ring, following energy-stored spring and spring retainer, becoming the snapping head is pressed on the adaptor, adaptor is pressed on the energy-stored spring, last energy-stored spring is pressed on the connecting ring, connecting ring is pressed in down on the energy-stored spring, and following energy-stored spring is sitting on the spring retainer, and spring retainer is sitting on the oil connection; The boll-weevil hanger joint is threaded with the well head boll-weevil hanger, and oil connection is connected with tubing round thread; Become snapping head top and be threaded with polished rod, the bottom is threaded with sucker rod.
Use operation according to the following steps.The down-hole energy reservation and saving device is to be connected following oil pipe of well head and the energy saver on the sucker rod, under be over behind deep well pump and the oil pipe tubing string, more continuous one one of piston and sucker rod is lowered to pit shaft and then energy reservation and saving device under the lower going-into-well.At first with oil connection 9 screwed connection spring struts 4, then successively with spring retainer 8, following energy-stored spring 7, connecting ring 6, last energy-stored spring 5 and adaptor 3 are set in the spring strut 4 successively, constitute one totally by boll-weevil hanger joint 2 screwed connection boll-weevil hangers again, oil connection 9 is connected with oil pipe, hanger is done in the big four, pull sucker rod in the well out with light pole pair button then, laying down polished rod will become snapping head 1 and be connected between sucker rod and the polished rod and tighten screw thread, by carrying dead space on the polished rod to designing requirement, this oil well is installed down-hole energy reservation and saving device end of operation down, the hanger of polished rod with the ground oil pumper is connected, start oil pumper, whole construction finishes.
The down-hole energy reservation and saving device can be transformed into the potential energy of sucker rod the potential energy of the spring that is provided with in the energy reservation and saving device of down-hole in down stroke, the spring potential energy that again spring is preserved in upstroke then does work to oil pumper, reduce the acting amount of motor oil pumping, reach the effect of energy-storage economical.Therefore the down-hole energy reservation and saving device has reduced the acting amount of motor oil pumping, has the electricity saving and energy saving effect.
Claims (5)
1, a kind of underwell energy reservation and saving device for beam-pumping unit, by becoming the snapping head, the boll-weevil hanger joint, adaptor, spring strut, last energy-stored spring, connecting ring, following energy-stored spring, spring retainer and oil connection are formed, it is characterized in that rod-pumped well down-hole accumulator is made as cylindrical shape, its upper end is provided with the boll-weevil hanger joint, its lower end is provided with oil connection, be threaded with spring strut, be provided with by preface from top to bottom in it and become the snapping head, adaptor, last energy-stored spring, connecting ring, following energy-stored spring and spring retainer, becoming the snapping head is pressed on the adaptor, adaptor is pressed on the energy-stored spring, last energy-stored spring is pressed on the connecting ring, connecting ring is pressed in down on the energy-stored spring, following energy-stored spring is sitting on the spring retainer, and spring retainer is sitting on the oil connection; The boll-weevil hanger joint is threaded with the well head boll-weevil hanger, and oil connection is connected with tubing round thread; Become snapping head top and be threaded with polished rod, the bottom is threaded with sucker rod.
2, underwell energy reservation and saving device for beam-pumping unit according to claim 1, it is characterized in that described change snapping head is made as cylindrical, top is provided with the polished rod nipple, the bottom is provided with the sucker rod nipple, the middle part is provided with sleeve, and be welded with support between the change snapping head, sleeve diameter is greater than the adaptor internal diameter.
3, underwell energy reservation and saving device for beam-pumping unit according to claim 1 is characterized in that described connecting ring is made as T shape ring, and is vertical with spring strut, between be made as movingly.
4, underwell energy reservation and saving device for beam-pumping unit according to claim 1, it is cylindrical to it is characterized in that described spring retainer is made as, and its external diameter is less than the spring strut internal diameter.
5, underwell energy reservation and saving device for beam-pumping unit according to claim 1 is characterized in that the external diameter of the internal diameter of described oil connection less than spring retainer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008201875585U CN201232540Y (en) | 2008-08-05 | 2008-08-05 | Oil pumping machine downhole energy storage economizer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008201875585U CN201232540Y (en) | 2008-08-05 | 2008-08-05 | Oil pumping machine downhole energy storage economizer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201232540Y true CN201232540Y (en) | 2009-05-06 |
Family
ID=40618917
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2008201875585U Expired - Fee Related CN201232540Y (en) | 2008-08-05 | 2008-08-05 | Oil pumping machine downhole energy storage economizer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201232540Y (en) |
-
2008
- 2008-08-05 CN CNU2008201875585U patent/CN201232540Y/en not_active Expired - Fee Related
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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 | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20090506 |