CN214365958U - Jet pump shock attenuation support cylinder - Google Patents
Jet pump shock attenuation support cylinder Download PDFInfo
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- CN214365958U CN214365958U CN202023212230.4U CN202023212230U CN214365958U CN 214365958 U CN214365958 U CN 214365958U CN 202023212230 U CN202023212230 U CN 202023212230U CN 214365958 U CN214365958 U CN 214365958U
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- jet pump
- cylinder body
- instrument
- shock
- damping
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Abstract
The utility model discloses a jet pump shock attenuation bearing cylinder, include: one end of the upper joint is connected with the jet pump; one end of the cylinder body is connected with the other end of the upper joint, a containing cavity is arranged in the cylinder body, and a plurality of connecting ports are formed in the wall of the cylinder body; one end of the guide head is connected with the other end of the cylinder body, and the other end of the guide head is of a hemispherical structure; the two damping mechanisms are fixedly arranged inside the cylinder body; the damper mechanism includes: a damping pad and a damping spring; the two damping mechanisms are arranged oppositely, and a test instrument is fixedly arranged between the two damping mechanisms. The utility model relates to a jet pump shock attenuation support cylinder has been developed for the jet pump carries the instrument and goes into the well, carries out the long-term monitoring of formation pressure temperature isoparametric under the jet pump, provides data for the efficiency improvement and the configuration optimization of jet pump. The long-term monitoring needs of the instrument are considered in design, the anti-impact function of the instrument is designed, and the risk that the instrument is damaged by impact in the underground is reduced.
Description
Technical Field
The utility model relates to a jet pump shock attenuation support cylinder belongs to the oil gas exploitation field.
Background
In the oil and gas well exploitation process, along with the attenuation of formation energy, the oil and gas well gradually loses the self-blowing capacity, and at this time, artificial lift exploitation is indispensable for improving the oil and gas recovery ratio. The underground jet pump is one kind of oil and gas exploiting tool for assisting artificial lift. The jet pump has simple structure and low input cost, and is favored in an artificial lifting mode. However, in the oil and gas well produced by the jet pump, the test instrument cannot be directly put below the jet pump during production, so that the actual conditions of pressure and temperature distribution and change below the jet pump are difficult to know, and great inconvenience is brought to people to know the working efficiency of the jet pump.
In order to better understand the actual conditions of the pressure and temperature distribution and the change of the formation below the jet pump when the jet pump works, the jet pump needs to carry a test instrument to enter a well, and long-term monitoring of data below the jet pump is carried out. So as to more deeply and directly know the working efficiency of the jet pump, and provide a basis for improving the jet pump and the efficiency.
SUMMERY OF THE UTILITY MODEL
The utility model relates to a developed a jet pump shock attenuation support cylinder, fixed test instrument through the barrel, made the jet pump can carry the measuring instrument and go into the well, carried out the work in the pit and detected, improved work efficiency.
The utility model provides a technical scheme does:
a jet pump dampening cartridge comprising:
one end of the upper joint is connected with the jet pump;
one end of the cylinder body is connected with the other end of the upper joint, a containing cavity is arranged in the cylinder body, and a plurality of connecting ports are formed in the wall of the cylinder body;
one end of the guide head is connected with the other end of the cylinder body, and the other end of the guide head is of a hemispherical structure;
and the two damping mechanisms are fixedly arranged inside the cylinder body.
The two damping mechanisms are arranged oppositely, and a test instrument is fixedly arranged between the two damping mechanisms.
Preferably, the damper mechanism includes:
the shock pad is of a cylindrical structure and is fixedly arranged in the cylinder body in a matching way;
the damping spring is fixedly arranged at one end of the damping pad;
wherein, the test instrument is fixedly arranged at the other end of the shock pad.
Preferably, the shock pad is made of rubber.
Preferably, the upper joint is provided with a first connecting hole.
Preferably, the two ends of the cylinder are provided with connecting screw threads.
Preferably, the cylinder body is of a hollow structure.
Preferably, the guide head is provided with a second connecting hole.
Preferably, the first connection hole and the second connection hole are both circular non-penetrating holes.
Beneficial effect: the utility model relates to a jet pump shock attenuation support cylinder has been developed for the jet pump carries the instrument and goes into the well, carries out the long-term monitoring of formation pressure temperature isoparametric under the jet pump, provides data for the efficiency improvement and the configuration optimization of jet pump. The utility model discloses consider the instrument long-term monitoring needs, designed instrument protecting against shock function, reduced the risk that the instrument received the impact damage in the pit.
Drawings
Fig. 1 is the structure schematic diagram of the jet pump damping support cylinder of the present invention.
Fig. 2 is a schematic view of the upper joint of the present invention.
Fig. 3 is a schematic view of the barrel of the present invention.
Fig. 4 is a schematic view of the guide head of the present invention.
Fig. 5 is a schematic view of the damping mechanism of the present invention.
Detailed Description
The present invention is further described in detail below with reference to the drawings so that those skilled in the art can implement the invention with reference to the description.
As shown in fig. 1, the utility model provides a jet pump shock attenuation bearing cylinder, include: the upper joint 110, the cylinder 120, the guide head 130, the shock absorbing spring 140 and the shock absorbing pad 150.
One end of the upper joint 120 is designed in a mode of matching the bottom of the jet pump and is used for connecting the jet pump, and a first connecting hole which is a round non-through hole is formed in the upper joint and is convenient to tighten or loosen by using a punch or a C-shaped wrench; the other end of the upper joint 120 is provided with a thread for matching and connecting with one end of the cylinder 120.
The cylinder 120 is a full-bore outer cylinder, two ends of the cylinder are provided with connecting screw threads which are respectively used for connecting the upper joint 110 and the guide head 130, and two ends of the cylinder 120 are radially provided with threaded through holes which are used for being matched with locking screws so as to prevent the screw threads at the upper joint 110 and the guide head 130 from being connected and released; and adopt fretwork setting on the barrel of barrel 120, be convenient for the fluidic circulation in jet pump bottom, guarantee the trafficability characteristic of fluid in the pit, guarantee simultaneously that measuring instrument in the barrel gathers data accurately, the external diameter setting of barrel 120 is less than the jet pump maximum external diameter.
One end of the guide head 130 is connected with the other end of the cylinder body through threads, a second through hole is formed in the guide head and is a circular non-through hole, a punch or a C-shaped wrench can be used for tightening or loosening conveniently, and the other end of the guide head 130 is of a hemispherical structure and is convenient for the jet pump to be carried into a well.
The damper includes: damping spring 140 and shock attenuation piece 150, damping spring 140 is spiral spring structure to fixed the setting on the shock pad, play the instrument shock attenuation effect of shocking resistance with shock pad 150. The shock pad 150 is a cylindrical structure, the outer diameter of the shock pad 150 is attached to the inner diameter of the cylinder 120 and fixed on the inner wall of the cylinder 120 to prevent the shock absorbing mechanism from transversely vibrating, cylindrical non-through holes are formed at two ends of the shock pad 150, a shock absorbing spring is fixed at one end of the shock pad 150, and a test instrument is fixed at the other end of the shock pad 150. The shock absorption mechanism is designed to enable the instrument to have an anti-impact function, and the risk that the testing instrument is damaged by impact in the underground is reduced.
During the use, be connected to the one end of barrel 120 with the one end of top connection 110 to it is fixed with the jackscrew, prevent the screw thread back-off, then fix back with two sets of damper and test instrument, assemble in barrel 120, will guide the head 130 and be connected to the other end of barrel 120, and the jackscrew is fixed, prevent the screw thread back-off. And connecting the other end of the upper joint to the ground of the jet pump to complete the connection of the damping support cylinder and the jet pump. When the formation parameters at the bottom of the jet pump need to be monitored, the assembled instrument can be thrown into the well along with the jet pump instrument to a preset depth. In the monitoring process, the two groups of damping springs 140 and the damping cushions can greatly reduce the influence of fluid impact or tool vibration on the measuring instrument. And finishing the monitoring task, taking out the jet pump through reverse circulation of the shaft or fishing out the underground jet pump through steel wire operation, dismantling the testing instrument and replaying the testing data.
The utility model relates to a jet pump shock attenuation support cylinder has been developed for the jet pump carries the measuring instrument and goes into the well, carries out the long-term monitoring of formation pressure temperature isoparametric under the jet pump, provides data for the efficiency improvement and the configuration optimization of jet pump.
While the embodiments of the invention have been described above, it is not intended to be limited to the details shown, or described, but rather to cover all modifications, which would come within the scope of the appended claims, and all changes which come within the meaning and range of equivalency of the art are therefore intended to be embraced therein.
Claims (8)
1. A jet pump shock attenuation die-pin, its characterized in that includes:
one end of the upper joint is connected with the jet pump;
one end of the cylinder body is connected with the other end of the upper joint, a containing cavity is arranged in the cylinder body, and a plurality of connecting ports are formed in the wall of the cylinder body;
one end of the guide head is connected with the other end of the cylinder body, and the other end of the guide head is of a hemispherical structure;
the two damping mechanisms are fixedly arranged inside the cylinder body;
the two damping mechanisms are arranged oppositely, and a test instrument is fixedly arranged between the two damping mechanisms.
2. The jet pump dampening cartridge of claim 1, wherein the dampening mechanism comprises:
the shock pad is of a cylindrical structure and is fixedly arranged in the cylinder body in a matching way;
the damping spring is fixedly arranged at one end of the damping pad;
wherein, the test instrument is fixedly arranged at the other end of the shock pad.
3. The jet pump shock-absorbing cartridge according to claim 2, wherein the shock-absorbing pad is made of rubber.
4. The jet pump shock-absorbing cartridge as claimed in claim 3, wherein said upper joint has a first connecting hole.
5. The jet pump shock-absorbing cartridge as claimed in claim 4, wherein the cartridge body is provided with connecting screw threads at both ends.
6. The jet pump shock-absorbing cartridge as claimed in claim 5, wherein the cartridge body is a hollow structure.
7. The jet pump shock-absorbing cartridge as claimed in claim 6, wherein the guide head is provided with a second connecting hole.
8. The jet pump shock absorber cartridge according to claim 7, wherein the first connection hole and the second connection hole are both circular non-penetrating holes.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202023212230.4U CN214365958U (en) | 2020-12-28 | 2020-12-28 | Jet pump shock attenuation support cylinder |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202023212230.4U CN214365958U (en) | 2020-12-28 | 2020-12-28 | Jet pump shock attenuation support cylinder |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214365958U true CN214365958U (en) | 2021-10-08 |
Family
ID=77948056
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202023212230.4U Active CN214365958U (en) | 2020-12-28 | 2020-12-28 | Jet pump shock attenuation support cylinder |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214365958U (en) |
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2020
- 2020-12-28 CN CN202023212230.4U patent/CN214365958U/en active Active
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