CN212054666U - Oil well test instrument protection device - Google Patents
Oil well test instrument protection device Download PDFInfo
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- CN212054666U CN212054666U CN202020297090.6U CN202020297090U CN212054666U CN 212054666 U CN212054666 U CN 212054666U CN 202020297090 U CN202020297090 U CN 202020297090U CN 212054666 U CN212054666 U CN 212054666U
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Abstract
The utility model provides an oil well test instrument protection device belongs to petroleum equipment technical field. The oil well testing instrument is placed in the installation barrel, and two sides of the installation barrel in the axial direction can be protected by the two elastic pieces. And then the connecting cylinder is coaxially sleeved on the mounting barrel, the second end of the rod-shaped connecting piece, which is far away from the mounting barrel, is fixedly connected with the connecting cylinder, the oil well testing instrument in the mounting barrel and the mounting barrel is connected to the connecting cylinder through the rod-shaped connecting piece, and finally, the oil pipe connecting structure at the first end of the rod-shaped connecting piece of the connecting cylinder is connected to an oil pipe. The oil pipe is transferred to the oil well, and oil liquid enters the installation barrel through the first oil hole and the second oil hole in sequence and is detected by an oil well testing instrument. The vibration of the oil well testing instrument can be absorbed by the two elastic parts at the two ends of the oil well testing instrument, so that the possibility that the oil well testing instrument is damaged due to the impact of larger vibration is reduced.
Description
Technical Field
The disclosure relates to the technical field of petroleum equipment, in particular to a protection device for an oil well testing instrument.
Background
Before the oil well is actually put into production, the oil well needs to be subjected to an oil testing process, impurities in the oil layer are discharged, the liquid column pressure in the well is reduced, and the oil and gas flow of the oil reservoir can flow into the well more smoothly. The oil testing procedure needs to be carried out for many times, and an oil well testing instrument is put down in the oil testing process to obtain parameters such as pressure, temperature and the like in the oil well.
The well testing instruments are typically fixed to the tubing and lowered into the well with the tubing to obtain parameters within the well. In the lowering process of the oil pipe, an oil well testing instrument on the oil pipe is easily impacted by collision and vibration, and the oil pipe is damaged.
SUMMERY OF THE UTILITY MODEL
The embodiment of the disclosure provides a protection device for an oil well testing instrument, which can reduce the possibility that the oil well testing instrument is damaged by impact. The technical scheme is as follows:
the embodiment of the disclosure provides a protection device for an oil well testing instrument, which comprises a connecting cylinder, an installation barrel, a rod-shaped connecting piece and two elastic pieces, wherein the first end of the connecting cylinder is provided with an oil pipe connecting structure, the side wall of the connecting cylinder is provided with a plurality of first oil holes, the connecting cylinder is coaxially sleeved on the installation barrel, and the side wall of the installation barrel is provided with a plurality of second oil holes;
the first end of the rod-shaped connecting piece is coaxially inserted and connected into the opening end of the installation barrel, the second end of the rod-shaped connecting piece is connected with the second end of the connecting barrel, the two elastic pieces are located in the installation barrel, one elastic piece is arranged at the closed end of the installation barrel, and the other elastic piece is arranged at the first end of the rod-shaped connecting piece.
Optionally, the rod-shaped connecting member comprises a connecting column and a connecting ring coaxially fixed on the connecting column, the connecting column is coaxially screwed in the opening end of the mounting barrel, and the outer wall of the connecting ring is in threaded fit with the inner wall of the connecting barrel.
Optionally, the second end of the connecting column remote from the mounting barrel has a coaxial polygonal column thereon.
Optionally, there is a gap between the inner wall of the connector barrel and the outer wall of the mounting barrel.
Optionally, the connecting cylinder comprises a first shell ring and a second shell ring which are in threaded fit, the first shell ring is coaxially inserted into the second shell ring, and one end of the second shell ring, which is far away from the first shell ring, is sleeved and connected with the second end of the rod-shaped connecting piece.
Optionally, the plurality of first oil holes are uniformly distributed on the first shell ring.
Optionally, the first shell ring is in threaded engagement with the second shell ring, and the second shell ring is in threaded engagement with the rod-like connector.
Alternatively, the cross-sectional area of each of the first oil holes is larger than the cross-sectional area of each of the second oil holes.
Optionally, the installation barrel comprises a cylindrical main body and a sealing cover plate which are detachably connected, and one end of the cylindrical main body is vertically arranged on the surface of the sealing cover plate.
Optionally, the oil pipe connection structure is cylindrical, one end of the oil pipe connection structure is coaxially sleeved on the connecting cylinder, and an oil pipe connection thread is arranged on the outer wall of the other end of the oil pipe connection structure.
The beneficial effects brought by the technical scheme provided by the embodiment of the disclosure at least comprise:
put into oil well test instrument protection device's installation bucket with oil well test instrument in, blind end one side in the installation bucket has set up an elastic component, inserts the first end of shaft-like connecting piece and establishes the open end of connecting at the installation bucket, and shaft-like connecting piece inserts the first of installation bucket and is served and be provided with another elastic component, and oil well test instrument can receive the protection of two elastic components in the axial both sides of installation bucket. And then the connecting barrel is coaxially sleeved on the mounting barrel, the second end of the rod-shaped connecting piece, which is far away from the mounting barrel, is fixedly connected with the connecting barrel, the oil well testing instrument in the mounting barrel and the mounting barrel is connected to the connecting barrel through the rod-shaped connecting piece, and finally, the oil pipe connecting structure at the first end of the rod-shaped connecting piece of the connecting barrel is connected to the oil pipe, so that the connection between the oil well testing instrument and the oil pipe is completed. Transfer oil pipe to the oil well in, because have a plurality of first oilholes and second oilhole on the lateral wall of connecting cylinder and installation bucket respectively, fluid can enter into the installation bucket in proper order through first oilhole and second oilhole and is detected by oil well test instrument to obtain the pressure and the temperature isoparametric in the oil well. Even if the oil pipe collides, the vibration of the oil well testing instrument can be absorbed by the two elastic parts at the two ends of the oil well testing instrument, so that the possibility that the oil well testing instrument is damaged due to the impact of larger vibration is reduced.
Drawings
In order to more clearly illustrate the technical solutions in the embodiments of the present disclosure, the drawings used in the description of the embodiments will be briefly introduced below, it is obvious that the drawings in the following description are only some embodiments of the present disclosure, and for those skilled in the art, other drawings can be obtained according to the drawings without inventive efforts,
FIG. 1 is a schematic structural diagram of a well testing instrument protection device provided by an embodiment of the disclosure;
FIG. 2 is a schematic view of a connection cartridge and tubing connection provided by an embodiment of the present disclosure;
fig. 3 is a schematic view illustrating an assembly of a mounting barrel and a rod-shaped connector according to an embodiment of the present disclosure.
Detailed Description
To make the objects, technical solutions and advantages of the present disclosure more apparent, embodiments of the present disclosure will be described in detail with reference to the accompanying drawings.
Fig. 1 is a schematic structural diagram of an oil well testing instrument protection device according to an embodiment of the present disclosure, and as can be seen from fig. 1, an embodiment of the present disclosure provides an oil well testing instrument protection device, which includes a connecting cylinder 1, a mounting barrel 2, a rod-shaped connecting member 3, and two elastic members 4. The first end of connecting cylinder 1 has oil pipe connection 5, has a plurality of first oilholes 1a on the lateral wall of connecting cylinder 1, and the coaxial cover of connecting cylinder 1 is established on installation bucket 2, has a plurality of second oilholes 2a on the lateral wall of installation bucket 2.
The first end of shaft-like connecting piece 3 is coaxial to be inserted and establish and connect in the open end of installation bucket 2, and the second end of shaft-like connecting piece 3 is connected with the second end of connecting cylinder 1, and two elastic component 4 all are located installation bucket 2, and an elastic component 4 sets up the blind end at installation bucket 2, and another elastic component 4 sets up on the first end of shaft-like connecting piece 3.
Put into oil well test instrument protection device's installation bucket 2 with oil well test instrument in, blind end one side in the installation bucket 2 has set up an elastic component 4, inserts the first end of shaft-like connecting piece 3 and establishes the open end of connecting at installation bucket 2, and shaft-like connecting piece 3 inserts the first of installation bucket 2 and serves and be provided with another elastic component 4, and oil well test instrument can receive the protection of two elastic components 4 in the axial of installation bucket 2 both sides. And then the connecting cylinder 1 is coaxially sleeved on the mounting barrel 2, the second end of the rod-shaped connecting piece 3, which is far away from the mounting barrel 2, is fixedly connected with the connecting cylinder 1, the oil well testing instrument in the mounting barrel 2 and the mounting barrel 2 is connected to the connecting cylinder 1 through the rod-shaped connecting piece 3, and finally, the oil pipe connecting structure 5 at the first end of the rod-shaped connecting piece 3 of the connecting cylinder 1 is connected to an oil pipe, so that the connection between the oil well testing instrument and the oil pipe is completed. Put oil pipe down to the oil well in, because have a plurality of first oilholes 1a and second oilhole 2a on the lateral wall of connecting cylinder 1 and installation bucket 2 respectively, fluid can enter into installation bucket 2 in proper order through first oilhole 1a and second oilhole 2a and is detected by oil well testing instrument to obtain the pressure in the oil well and temperature isoparametric. Even if the oil pipe collides, the vibration of the oil well testing instrument can be absorbed by the two elastic parts 4 at the two ends of the oil well testing instrument, so that the possibility that the oil well testing instrument is damaged due to the impact of larger vibration is reduced. In addition, in the oil well testing instrument protecting device, the oil well testing instrument is arranged in the installation barrel 2 and the connecting barrel 1 and is protected by the installation barrel 2 and the connecting barrel 1, the oil well testing instrument cannot collide with an oil well pipe column, and the damage possibility is low.
And the possibility of clearance also exists between the outer wall of installation bucket 2 and the inner wall of connecting cylinder 1, and the clearance between the outer wall of installation bucket 2 and the inner wall of connecting cylinder 1 also can play the cushioning effect when oil pipe collides, further reduces the impact that oil pipe test instrument can receive in the installation bucket 2, reduces the possibility that oil well test instrument appears damaging.
Exemplarily, a gap S may exist between the inner wall of the connecting cylinder 1 and the outer wall of the mounting barrel 2.
There can be clearance S between the inner wall of connecting cylinder 1 and the outer wall of installing barrel 2, and clearance S between the outer wall of installing barrel 2 and the inner wall of connecting cylinder 1 can regard as the buffering area, absorbs partly with the impact that 1 collision of oil pipe and connecting cylinder produced, makes the impact that oil well test instrument can receive in the installing barrel 2 reduce.
Alternatively, the difference between the minimum inner diameter D of the connecting cylinder 1 and the maximum outer diameter D of the mounting barrel 2 may be 14 to 17 mm.
When the difference between the minimum inner diameter D of connecting cylinder 1 and the maximum outer diameter D of installation barrel 2 is 14 ~ 17mm, can be when reducing the impact for connecting cylinder 1 can play the supporting role to installation barrel 2, avoids installation barrel 2 to receive the striking and the great rocking appears.
Fig. 2 is a schematic view of a connection structure of a connection cylinder and an oil pipe provided in an embodiment of the present disclosure, and referring to fig. 2, it can be known that the connection cylinder 1 includes a first shell ring 11 and a second shell ring 12 which are in threaded fit, the first shell ring 11 is coaxially inserted into the second shell ring 12, and an end of the second shell ring 12 far away from the first shell ring 11 is sleeved and connected to a second end of the rod-shaped connection member 3.
The both ends of second shell ring 12 are overlapped respectively on first shell ring 11 and shaft-like connecting piece 3, can rotate first shell ring 11, change the degree of depth that first shell ring 11 inserted second shell ring 12, can regard second shell ring 12 as the position of transition piece adjustment first shell ring 11 and shaft-like connecting piece 3 during the installation, are convenient for according to in service behavior to the holistic length adjustment of connecting cylinder 1.
Alternatively, the first shell section 11 and the second shell section 12 may be screw-fitted, and the second shell section 12 and the rod-like connecting member 3 may be screw-fitted.
But first shell ring 11 and second shell ring 12 screw-thread fit, but second shell ring 12 and shaft-like connecting piece 3 screw-thread fit, the dismouting between connecting cylinder 1 and the shaft-like connecting piece 3 of being convenient for.
It should be noted that the inner wall of the first shell ring 11 is screw-fitted with the outer wall of the second shell ring 12, and the inner wall of the second shell ring 12 is screw-fitted with the outer wall of the rod-like connecting member 3.
At this moment, oil is not easy to flow into the installation barrel 2 from between the rod-shaped connecting piece 3 and the second barrel section 12, the oil cannot influence the position of the elastic piece 4 inserted into one end of the installation barrel 2 by the rod-shaped connecting piece 3, and the elastic piece 4 can be ensured to be only used for absorbing the impact of an oil well testing instrument.
For example, the plurality of first oil holes 1a may be all located on the side wall of the first barrel section 11.
The plurality of first oil holes 1a are all located on the side wall of the first shell ring 11 and are not distributed on the second shell ring 12, so that the stable inflow of oil liquid can be ensured while the connection strength of the connecting cylinder 1 is ensured.
Alternatively, the plurality of first oil holes 1a may be distributed equidistantly on the side wall of the first shell ring 11. Ensure that oil can flow into the connecting cylinder 1 uniformly and then enter the installation barrel 2.
In one implementation provided by the present disclosure, the plurality of first oil holes 1a may also be uniformly distributed on the side wall of the first shell ring 11 in the axial direction of the first shell ring 11. The present disclosure is not limited thereto.
In other implementations provided by the present disclosure, the connection cylinder 1 may also be a cylindrical structure only, and the rod-shaped connection member 3 and the connection cylinder 1 may be screwed or pinned, which is not limited by the present disclosure.
Referring to fig. 2, the oil pipe connecting structure 5 may be a cylinder, one end of the oil pipe connecting structure 5 is coaxially sleeved on the connecting cylinder 1, and an outer wall of the other end of the oil pipe connecting structure 5 has an oil pipe connecting thread 5 a.
The oil pipe connecting structure 5 is a cylindrical shape, one end of the oil pipe connecting structure 5 is coaxially sleeved on the connecting cylinder 1, an oil pipe connecting thread 5a is arranged on the outer wall of the other end of the oil pipe connecting structure 5, the connecting structure can be used as a transition piece, the positions of the oil pipe connecting structure 5 and the connecting cylinder 1 relative to the oil pipe can be adjusted, so that the closed end of the installation barrel 2 in the connecting cylinder 1 can be just abutted against the tail end of the oil pipe, and the stable work of an oil well testing instrument is guaranteed.
In other implementations provided by the present disclosure, the oil pipe connection structure 5 may also be a connection thread provided on an outer wall of the connection cylinder 1, which is not limited by the present disclosure.
It should be noted that, when the connecting cylinder 1 includes the first cylinder section 11 and the second cylinder section 12, the inner diameter of the first cylinder section 11 is the minimum inner diameter d of the connecting cylinder 1.
It should be noted that, when the connecting cylinder 1 includes the first cylinder section 11 and the second cylinder section 12, the structure of the second cylinder section 12 may also be completely the same as the oil pipe connection structure 5, and in actual operation, the rod-shaped connecting member 3 may also be connected to the oil pipe connection structure 5, and the second cylinder section 12 is connected to the oil pipe, which is convenient for operation.
Fig. 3 is a schematic view of the assembly of the mounting barrel and the rod-shaped connecting member provided by the embodiment of the present disclosure, and referring to fig. 3, the rod-shaped connecting member 3 may include a connecting column 31 and a connecting ring 32 coaxially fixed on the connecting column 31, the connecting column 31 is coaxially screwed in the open end of the mounting barrel 2, and the outer wall of the connecting ring 32 is screwed with the inner wall of the connecting cylinder 1.
Rod-like connecting piece 3 includes spliced pole 31 and the go-between 32 of coaxial fixation on spliced pole 31, and the coaxial threaded connection of spliced pole 31 is in the open end of installation bucket 2, and the outer wall of go-between 32 and the inner wall screw-thread fit of connecting cylinder 1 only need rotate rod-like connecting piece 3 and just can realize the dismouting between rod-like connecting piece 3 and connecting cylinder 1 and the installation bucket 2, is convenient for realize the holistic dismouting of oil well test instrument protection device.
Referring to fig. 3, the end of the connecting column 31 remote from the mounting bucket 2 has a coaxial polygonal column 33.
The polygon prism 33 on the connecting column 31, which is far away from one end of the mounting barrel 2, can be used as an acting point, and a tool is used for rotating the polygon prism 33 to complete the integral rotation of the rod-shaped connecting piece 3 during the dismounting.
Alternatively, the polygon prism 33 may be a hexagonal prism. Can be matched with a spanner for operation.
In other implementations provided by the present disclosure, the polygon prism 33 may also be a quadrangular prism, a pentagonal prism, or an octagonal prism, which is not limited by the present disclosure.
Referring to fig. 3, the second oil holes 2a may be uniformly distributed on the side wall of the mounting tub 2. So that the oil liquid flows into the installation barrel 2 relatively uniformly.
Alternatively, the cross-sectional area of each first oil hole 1a may be larger than the cross-sectional area of each second oil hole 2 a.
The sectional area of each first oil hole 1a can be larger than that of each second oil hole 2a, the first oil hole 1a limits the speed of oil flowing into the connecting cylinder 1, the second oil hole 2a limits the speed of oil flowing into the mounting barrel 2 in the connecting cylinder 1, and the impact of the oil from the oil on an oil well testing instrument is reduced.
Referring to fig. 3, the installation barrel 2 may include a cylindrical body 21 and a sealing cover plate 22 detachably connected, and the cylindrical body 21 is vertically disposed on a plate surface of the sealing cover plate 22.
The installation barrel 2 is designed to be a split structure of the cylindrical main body 21 and the sealing cover plate 22, so that the elastic element 4 can be conveniently installed on the sealing cover plate 22.
The end of the cylindrical body 21 away from the sealing cover 22 is an open end of the installation barrel 2, and the end of the cylindrical body 21 where the sealing cover 22 is provided is a closed end of the installation barrel 2.
For example, the elastic member 4 may be bonded or fixed to the mounting barrel 2 or the rod connector 3 by a connector, which is not limited by the present disclosure.
Alternatively, the sealing cover plate 22 may be a barrel cover plate and disposed coaxially with the cylindrical body 21. Is easy to manufacture.
The elastic member 4 may be a spring, for example. And the implementation is easy.
Alternatively, both springs are arranged coaxially with the mounting bucket 2. The oil well testing instrument is guaranteed to be stably absorbed by the springs at the two ends when being impacted.
In one implementation provided by the present disclosure, the two springs may have no direct connection relationship with the closed end of the installation tub 2 and the second end of the rod-shaped connection member 3. In other implementations provided by the present disclosure, one spring may be fixed to the closed end of the mounting barrel 2 and the other spring may be fixed to the second end of the rod connector 3. The present disclosure is not so limited.
The above description is intended to be exemplary only and not to limit the present disclosure, and any modification, equivalent replacement, or improvement made without departing from the spirit and scope of the present disclosure is to be considered as the same as the present disclosure.
Claims (10)
1. The oil well testing instrument protection device is characterized by comprising a connecting cylinder (1), an installation barrel (2), a rod-shaped connecting piece (3) and two elastic pieces (4), wherein an oil pipe connecting structure (5) is arranged at the first end of the connecting cylinder (1), a plurality of first oil holes (1a) are formed in the side wall of the connecting cylinder (1), the connecting cylinder (1) is coaxially sleeved on the installation barrel (2), and a plurality of second oil holes (2a) are formed in the side wall of the installation barrel (2);
the first end of shaft-like connecting piece (3) is coaxial to be inserted and establish and is connected in the open end of installation bucket (2), the second end of shaft-like connecting piece (3) with the second end of connecting cylinder (1) is connected, two elastic component (4) all are located in installation bucket (2), one elastic component (4) set up the blind end at installation bucket (2), another elastic component (4) set up the first end of shaft-like connecting piece (3) is served.
2. An oil well testing instrument protection device according to claim 1, characterized in that the rod-like connection member (3) comprises a connection column (31) and a connection ring (32) coaxially fixed on the connection column (31), the connection column (31) is coaxially screwed into the open end of the installation barrel (2), and the outer wall of the connection ring (32) is screwed with the inner wall of the connection barrel (1).
3. A well testing instrument protection device according to claim 2, characterized in that the second end of the connection column (31) remote from the installation vessel (2) has a coaxial polygonal prism (33).
4. A well testing instrument protection device according to any of claims 1-3, characterized in that there is a gap (S) between the inner wall of the connector barrel (1) and the outer wall of the installation barrel (2).
5. An oil well testing instrument protecting device according to any one of claims 1 to 3, characterized in that the connecting cylinder (1) comprises a first cylinder section (11) and a second cylinder section (12) which are in threaded fit, the first cylinder section (11) is coaxially inserted in the second cylinder section (12), and one end of the second cylinder section (12) far away from the first cylinder section (11) is sleeved and connected with the second end of the rod-shaped connecting piece (3).
6. An oil well testing instrument protection device according to claim 5, characterized in that said plurality of first oil holes (1a) are evenly distributed over said first shell ring (11).
7. An oil well testing instrument protection device according to claim 5, characterized in that the first shell ring (11) is screw-fitted with the second shell ring (12), the second shell ring (12) being screw-fitted with the rod-like connection member (3).
8. An oil well testing instrument protection device according to any of claims 1-3, characterized in that the cross-sectional area of each of the first oil holes (1a) is larger than the cross-sectional area of each of the second oil holes (2 a).
9. An oil well testing instrument protection device according to any one of claims 1 to 3, characterized in that the installation barrel (2) comprises a cylindrical main body (21) and a sealing cover plate (22) which are detachably connected, and one end of the cylindrical main body (21) is vertically arranged on the plate surface of the sealing cover plate (22).
10. An oil well testing instrument protection device according to any one of claims 1-3, characterized in that the oil pipe connecting structure (5) is cylindrical, one end of the oil pipe connecting structure (5) is coaxially sleeved on the connecting cylinder (1), and the outer wall of the other end of the oil pipe connecting structure (5) is provided with an oil pipe connecting thread (5 a).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020297090.6U CN212054666U (en) | 2020-03-11 | 2020-03-11 | Oil well test instrument protection device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020297090.6U CN212054666U (en) | 2020-03-11 | 2020-03-11 | Oil well test instrument protection device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212054666U true CN212054666U (en) | 2020-12-01 |
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ID=73532668
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020297090.6U Active CN212054666U (en) | 2020-03-11 | 2020-03-11 | Oil well test instrument protection device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212054666U (en) |
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2020
- 2020-03-11 CN CN202020297090.6U patent/CN212054666U/en active Active
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