CN211855799U - Oil pipe plug testing device - Google Patents
Oil pipe plug testing device Download PDFInfo
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- CN211855799U CN211855799U CN202020262344.0U CN202020262344U CN211855799U CN 211855799 U CN211855799 U CN 211855799U CN 202020262344 U CN202020262344 U CN 202020262344U CN 211855799 U CN211855799 U CN 211855799U
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- 238000012360 testing method Methods 0.000 title claims abstract description 44
- 230000008878 coupling Effects 0.000 claims description 11
- 238000010168 coupling process Methods 0.000 claims description 11
- 238000005859 coupling reaction Methods 0.000 claims description 11
- 230000002093 peripheral effect Effects 0.000 claims description 5
- 239000003129 oil well Substances 0.000 abstract description 12
- 238000004088 simulation Methods 0.000 abstract description 10
- 238000007789 sealing Methods 0.000 abstract description 5
- 238000002955 isolation Methods 0.000 abstract description 4
- 239000012530 fluid Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000008569 process Effects 0.000 description 1
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Abstract
The utility model provides an oil pipe plug test device belongs to oil field downhole test technical field. When the oil pipe plug needs to perform a simulation test, one end of the first blind plug, which is far away from the first connecting pipe, is connected to one end of the oil pipe plug in a sealing manner, and one end of the second blind plug, which is far away from the second connecting pipe, is connected to the other end of the oil pipe plug in a sealing manner. The output pump outputs oil, the oil has two ways of one end of the three-way pipe, the first connecting pipe, the first blind plug and the oil pipe plug and the other end of the three-way pipe, the second connecting pipe, the second blind plug and the oil pipe plug, the two ends of the oil pipe plug can be pressurized, and the pipe diameters of the first connecting pipe and the second connecting pipe are unequal, so that the pressures applied to the two ends of the oil pipe plug are different. The state that there is pressure differential in oil pipe plug both ends reality when can simulate oil pipe plug well in the in-service use improves the accuracy degree when oil pipe plug simulation actually blocks up isolation oil well.
Description
Technical Field
The utility model relates to an oil field is experimental technical field in the pit, in particular to oil pipe plug test device.
Background
When the domestic oil field needs to protect the stratum energy of the oil field or clean the top of the oil well, the oil pipe plug can be extended into the oil well, and the upper part and the lower part of the oil well are plugged and isolated through the oil pipe plug.
Before the oil pipe plug is actually put into an oil well for use, the function of the oil pipe plug can be tested through a simulation experiment, so that the oil well can be stably plugged by the oil pipe plug. In a simulation test, a plug is usually installed at one end of a tubing plug, and a certain pressure is applied to the plug to simulate the pressure applied to the tubing plug from the bottom of an oil well, but the simulation test has poor accuracy in simulating the actual blocking of the oil well by the tubing plug.
SUMMERY OF THE UTILITY MODEL
The embodiment of the disclosure provides an oil pipe plug testing device, which can improve the accuracy of the oil pipe plug in simulating and actually plugging and isolating an oil well. The technical scheme is as follows:
the embodiment of the disclosure provides an oil pipe plug testing device, which comprises an output pump, a three-way pipe, a first connecting pipe, a second connecting pipe, a first blind plug and a second blind plug, wherein the output end of the output pump is communicated with one oil inlet of the three-way pipe, a first oil outlet of the three-way pipe is communicated with the first blind plug through the first connecting pipe, a second oil outlet of the three-way pipe is communicated with the second blind plug through the second connecting pipe, and the pipe diameters of the first connecting pipe and the second connecting pipe are unequal.
Optionally, the tubing plug testing device further comprises a first one-way throttle valve and a second one-way throttle valve, an inlet of the first one-way throttle valve is communicated with a first oil outlet of the three-way pipe, an oil outlet of the first one-way throttle valve is communicated with one end of the first connecting pipe, an inlet of the second one-way throttle valve is communicated with a second oil outlet of the three-way pipe, and an oil outlet of the second one-way throttle valve is communicated with one end of the second connecting pipe.
Optionally, the tubing plug testing device further comprises a first pressure gauge 0, and the first pressure gauge 0 is arranged at an oil outlet of the first one-way throttle valve.
Optionally, the tubing plug testing device further comprises a second pressure gauge, and the second pressure gauge is arranged at an oil outlet of the second one-way throttle valve.
Optionally, the first blind plug includes a barrel-shaped body and a mouthpiece arranged on the outer peripheral wall of the barrel-shaped body, an oil pipe plug connecting thread is arranged on the outer wall of the opening end of the barrel-shaped body, one end of the mouthpiece is communicated with the inner wall of the barrel-shaped body, and the other end of the mouthpiece is communicated with the first connecting pipe.
Optionally, the tubing plug testing device further comprises a first quick coupling, and the first connecting pipe is connected with the first blind plug through the first quick coupling.
Optionally, the first quick connector is threadedly connected to the first blind plug.
Optionally, an axis of the oil inlet of the three-way pipe is perpendicular to an axis of the first oil outlet and an axis of the second oil outlet of the three-way pipe, and the axis of the first oil outlet of the three-way pipe coincides with the axis of the second oil outlet.
Optionally, the output pump is an electrically powered hydraulic pump.
Optionally, the oil pipe plug testing device further comprises a third connecting pipe, one end of the third connecting pipe is communicated with the oil inlet of the three-way pipe, and the other end of the third connecting pipe is communicated with the output end of the output pump.
The beneficial effects brought by the technical scheme provided by the embodiment of the disclosure include:
in the oil pipe plug testing device, the output end of an output pump is communicated with one oil inlet of a three-way pipe, the other two oil outlets of the three-way pipe are respectively connected with one ends of a first connecting pipe and a second connecting pipe, and the other ends of the first connecting pipe and the second connecting pipe are respectively sleeved on a first blind plug and a second blind plug correspondingly. When the oil pipe plug needs to perform a simulation test, one end of the first blind plug, which is far away from the first connecting pipe, is connected to one end of the oil pipe plug in a sealing manner, and one end of the second blind plug, which is far away from the second connecting pipe, is connected to the other end of the oil pipe plug in a sealing manner. The output pump outputs oil, the oil has two ways of one end of the three-way pipe, the first connecting pipe, the first blind plug and the oil pipe plug and the other end of the three-way pipe, the second connecting pipe, the second blind plug and the oil pipe plug, the two ends of the oil pipe plug can be pressurized, and the pipe diameters of the first connecting pipe and the second connecting pipe are unequal, so that the pressures applied to the two ends of the oil pipe plug are different. The state that there is pressure differential in oil pipe plug both ends reality when can simulate oil pipe plug well in the in-service use improves the accuracy degree when oil pipe plug simulation actually blocks up isolation oil well.
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 view of a use state of an oil pipe plug testing device provided in 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 pipe plug test device provided by an embodiment of the present disclosure, and as can be known by referring to fig. 1, the embodiment of the present disclosure provides an oil pipe plug test device, where the oil pipe plug test device includes an output pump 1, a three-way pipe 2, a first connecting pipe 3, a second connecting pipe 4, a first blind plug 5, and a second blind plug 6, an output end of the output pump 1 is communicated with one oil inlet of the three-way pipe 2, a first oil outlet of the three-way pipe 2 is communicated with the first blind plug 5 through the first connecting pipe 3, a second oil outlet of the three-way pipe 2 is communicated with the second blind plug 6 through the second connecting pipe 4, and pipe diameters of the first connecting pipe 3 and the second connecting pipe 4 are not equal.
In the oil pipe blanking plug testing device, the output end of an output pump 1 is communicated with one oil inlet of a three-way pipe 2, the other two oil outlets of the three-way pipe 2 are respectively connected with one ends of a first connecting pipe 3 and a second connecting pipe 4, and the other ends of the first connecting pipe 3 and the second connecting pipe 4 are respectively correspondingly sleeved on a first blind plug 5 and a second blind plug 6. When the oil pipe plug needs to perform a simulation test, one end of the first blind plug 5, which is far away from the first connecting pipe 3, is hermetically connected to one end of the oil pipe plug, and one end of the second blind plug 6, which is far away from the second connecting pipe 4, is hermetically connected to the other end of the oil pipe plug. The output pump 1 outputs oil, the oil has three-way pipe 2, first connecting pipe 3, blind plug 5, the one end and three-way pipe 2 of oil pipe blanking plug, second connecting pipe 4, blind plug 6 of second, two kinds of ways of the other end of oil pipe blanking plug, the both ends of oil pipe blanking plug all can be pressurized to the pipe diameter inequality of first connecting pipe 3, second connecting pipe 4 makes the pressure that applies to the oil pipe blanking plug both ends different. The state that there is pressure differential in oil pipe plug both ends reality when can simulate oil pipe plug well in the in-service use improves the accuracy degree when oil pipe plug simulation actually blocks up isolation oil well.
For example, the first connection pipe 3 and the second connection pipe 4 may be hoses.
The first connecting pipe 3 and the second connecting pipe 4 are flexible pipes, so that the relative position between the oil pipe blanking plug and the three-way pipe 2 can be conveniently adjusted.
It should be noted that the length of the first connection pipe 3 may be the same as or different from the length of the second connection pipe 4, and is determined according to the same or different pressure establishment times at two ends of the tubing plug in the actual use process of the tubing plug, the length of the first connection pipe 3 is the same as the length of the second connection pipe 4 when the pressures at two ends of the tubing plug are established simultaneously, and the length of the first connection pipe 3 is different from the length of the second connection pipe 4 when the pressures at two ends of the tubing plug are not established simultaneously.
Alternatively, the length of the first connection pipe 3 and the length of the second connection pipe 4 may be greater than the length of the tubing plug. The position adjustment of the first connecting pipe 3, the second connecting pipe 4 and the three-way pipe 2 is facilitated.
Alternatively, the output pump 1 may be an electric hydraulic pump.
The output pump 1 is an electric hydraulic pump, on one hand, the electric hydraulic pump is easy to obtain, on the other hand, the electric hydraulic pump is driven by a motor, and the control on the pressure of output oil liquid is more accurate.
As shown in fig. 1, the oil pipe plugging device testing apparatus may further include a third connecting pipe 7, one end of the third connecting pipe 7 is communicated with the oil inlet of the three-way pipe 2, and the other end of the third connecting pipe 7 is communicated with the output end of the output pump 1.
The output pump 1 is connected with the oil inlet of the three-way pipe 2 through the third connecting pipe 7, so that the output pump is easy to realize, and the position between the output pump 1 and the three-way pipe 2 can be adjusted according to actual working conditions.
Alternatively, the third connection pipe 7 may be a hose. The positions of the three-way pipe 2 and the output pump 1 are convenient to adjust.
Continuing to refer to fig. 1, the third connecting pipe 7 and the oil inlet of the three-way pipe 2 can be connected through a quick coupling.
The third connecting pipe 7 is connected with the oil inlet of the three-way pipe 2 through a quick joint, so that the three-way pipe 2 and the third connecting pipe 7 can be conveniently disassembled and assembled.
Continuing to refer to fig. 1, the axis of the oil inlet of the three-way pipe 2 is perpendicular to the axis of the first oil outlet and the axis of the second oil outlet of the three-way pipe 2, and the axis of the first oil outlet of the three-way pipe 2 coincides with the axis of the second oil outlet.
The structure that the axis of the oil inlet of the three-way pipe 2 is perpendicular to the axis of the first oil outlet and the axis of the second oil outlet of the three-way pipe 2 and the axis of the first oil outlet of the three-way pipe 2 coincides with the axis of the second oil outlet ensures that the impact of oil entering the first connecting pipe 3 and the second connecting pipe 4 is equal, and the stable use of the three-way pipe 2, the first connecting pipe 3 and the second connecting pipe 4 is ensured.
Continuing to refer to fig. 1, the tubing plug testing device further comprises a first one-way throttle valve 8 and a second one-way throttle valve 9, an inlet of the first one-way throttle valve 8 is communicated with one oil outlet of the three-way pipe 2, a first oil outlet of the first one-way throttle valve 8 is communicated with one end of the first connecting pipe 3, an inlet of the second one-way throttle valve 9 is communicated with a second oil outlet of the three-way pipe 2, and an oil outlet of the second one-way throttle valve 9 is communicated with one end of the second connecting pipe 4.
The setting of first one-way throttle valve 8 and second one-way throttle valve 9 can carry out the pressurize to the both ends of oil pipe blanking plug, avoid fluid backward flow to the oil inlet and the delivery pump 1 of three-way pipe 2, first one-way throttle valve 8 and second one-way throttle valve 9 set up respectively at the first oil-out and the second oil-out of three-way pipe 2 simultaneously, can control the flow that flows out three-way pipe 2 and get into first connecting pipe 3 and second connecting pipe 4, adjust the flow of the fluid that gets into first connecting pipe 3 and second connecting pipe 4, build pressure time and the pressure at oil pipe blanking plug both ends are changed according to oil pipe blanking plug's actual behavior, accuracy degree when further improving oil pipe blanking plug simulation actual shutoff isolation oil well. And when the situation that only one end of the oil pipe plug needs to be pressurized in a single direction is met, the second one-way throttle valve 9 can be opened by closing the first one-way throttle valve 8, or the second one-way throttle valve 9 is closed by opening the first one-way throttle valve 8, and then the output pump 1 is used for outputting and pressurizing, so that only one end of the oil pipe plug can be pressurized. The oil pipe plug for different use conditions also has certain universality.
For example, in other implementation manners provided by the present disclosure, a stop valve may also be correspondingly disposed between the first connection pipe 3 and the first oil outlet of the three-way pipe 2 and between the second connection pipe 4 and the second oil outlet of the three-way pipe 2, which is not limited by the present disclosure.
Optionally, the oil pipe plug testing device may further include a third one-way throttle valve 10 disposed between the oil inlet of the three-way pipe 2 and the output pump 1, an oil inlet of the third one-way throttle valve 10 is communicated with the output end of the output pump 1, and an oil outlet of the third one-way throttle valve 10 is communicated with the oil inlet of the three-way pipe 2.
The third one-way throttle valve 10 can adjust the oil flow flowing to the two ends of the oil pipe plug at the same time, and timely cuts off the connection between the three-way pipe 2 and the output pump 1 under the condition that the output pump 1 breaks down, so that the stable use of the oil pipe plug and the oil pipe plug testing device is ensured.
Continuing to refer to fig. 1, the tubing plug testing device further comprises a first pressure gauge 11, and the first pressure gauge 11 is arranged at an oil outlet of the first one-way throttle valve 8.
The first pressure gauge 11 can provide real-time pressure at one end of the oil pipe plug, and is convenient for workers to adjust the oil pipe plug testing device.
With continued reference to fig. 1, the tubing plug testing apparatus may further comprise a second pressure gauge 12, wherein the second pressure gauge 12 is disposed at an oil outlet of the second one-way throttle valve 9.
The second pressure gauge 12 can provide real-time pressure at one end of the tubing plug, so that a worker can conveniently adjust the tubing plug testing device.
Continuing to refer to fig. 1, the first blind plug 5 comprises a barrel-shaped body 501 and a mouthpiece 502 arranged on the outer peripheral wall of the barrel-shaped body 501, wherein the outer wall of the opening end of the barrel-shaped body 501 is provided with tubing plug connecting threads, one end of the mouthpiece 502 is communicated with the inner wall of the barrel-shaped body 501, and the other end of the mouthpiece 502 is communicated with the first connecting tube 3.
It should be noted that the open end of the barrel-shaped main body 501 is used for coaxially sealing and inserting into one end of the oil pipe plug, the first blind plug 5 includes the barrel-shaped main body 501 and a mouthpiece 502 arranged on the outer peripheral wall of the barrel-shaped main body 501, two ends of the mouthpiece 502 are respectively communicated with the first connecting pipe 3 and the inner wall of the barrel-shaped main body 501, the impact on the oil pipe plug itself is small when oil enters the oil pipe plug for plugging, and stable use of the oil pipe plug can be ensured.
Illustratively, the mouthpiece 502 is weldably attached to the barrel body 501. The obtained first blind plug 5 has a stable structure.
Alternatively, the outer peripheral wall of the open end of the barrel-shaped body 501 has a connection thread thereon.
The barrel-shaped main body 501 can be rotatably inserted into one end of the oil pipe plug through a connecting thread, so that the first blind plug 5 and the oil pipe plug can be conveniently detached.
It should be noted that the structure of the second blind plug 6 is the same as that of the first blind plug 5, and therefore, the detailed description thereof is omitted.
Continuing with FIG. 1, the tubing plug testing apparatus may further include a first quick connector 13, and the first connecting tube 3 is connected to the first blind plug 5 via the first quick connector 13.
The first connecting pipe 3 is connected with the first blind plug 5 through the first quick connector 13, so that the first connecting pipe 3 and the first blind plug 5 can be conveniently disassembled and assembled.
Optionally, a first quick coupling 13 is screwed to the first blind plug 5. The first quick connector 13 and the first blind plug 5 can be conveniently disassembled and assembled.
In the case where the first blind plug 5 has the barrel-shaped body 501 and the mouthpiece 502, the first quick coupling 13 is screwed to the mouthpiece 502.
Optionally, the tubing plug testing device may further include a second quick coupling 14, and the second connecting pipe 4 is connected to the second blind plug 6 through the second quick coupling 14.
The second connecting pipe 4 is connected with the second blind plug 6 through the second quick coupling 14, so that the second connecting pipe 4 and the second blind plug 6 can be conveniently disassembled and assembled.
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 utility model provides an oil pipe plug test device, characterized in that, oil pipe plug test device includes output pump (1), three-way pipe (2), first connecting pipe (3), second connecting pipe (4), first blind stifled (5) and blind stifled (6) of second, the output of output pump (1) with an oil inlet intercommunication of three-way pipe (2), the first oil-out of three-way pipe (2) pass through first connecting pipe (3) with blind stifled (5) intercommunication, the second oil-out of three-way pipe (2) pass through second connecting pipe (4) with blind stifled (6) intercommunication of second, the pipe diameter inequality of first connecting pipe (3) with second connecting pipe (4).
2. The tubing plug test device according to claim 1, further comprising a first one-way throttle valve (8) and a second one-way throttle valve (9), wherein an inlet of the first one-way throttle valve (8) is communicated with a first oil outlet of the three-way pipe (2), an oil outlet of the first one-way throttle valve (8) is communicated with one end of the first connecting pipe (3), an inlet of the second one-way throttle valve (9) is communicated with a second oil outlet of the three-way pipe (2), and an oil outlet of the second one-way throttle valve (9) is communicated with one end of the second connecting pipe (4).
3. Tubing plug test device according to claim 2, further comprising a first pressure gauge (11), said first pressure gauge (11) being arranged at an oil outlet of said first one-way throttle valve (8).
4. Tubing plug test device according to claim 2, further comprising a second pressure gauge (12), wherein the second pressure gauge (12) is arranged at an oil outlet of the second one-way throttle valve (9).
5. The tubing plug test device according to any one of claims 1 to 4, wherein the first blind plug (5) comprises a barrel-shaped body (501) and a mouthpiece (502) arranged on the outer peripheral wall of the barrel-shaped body (501), the outer wall of the opening end of the barrel-shaped body (501) is provided with tubing plug connecting threads, one end of the mouthpiece (502) is communicated with the inner wall of the barrel-shaped body (501), and the other end of the mouthpiece (502) is communicated with the first connecting tube (3).
6. The tubing plug test device according to any one of claims 1 to 4, further comprising a first quick coupling (13), wherein the first connecting tube (3) is connected with the first blind plug (5) through the first quick coupling (13).
7. Tubing plug testing device according to claim 6, characterized in that the first quick coupling (13) is screwed to the first blind plug (5).
8. The oil pipe plug testing device according to any one of claims 1 to 4, wherein the axis of the oil inlet of the three-way pipe (2) is perpendicular to the axis of the first oil outlet and the axis of the second oil outlet of the three-way pipe (2), and the axis of the first oil outlet of the three-way pipe (2) is coincident with the axis of the second oil outlet.
9. The tubing plug testing device according to any one of claims 1 to 4, wherein the output pump (1) is an electric hydraulic pump.
10. The oil pipe plug testing device according to any one of claims 1 to 4, further comprising a third connecting pipe (7), wherein one end of the third connecting pipe (7) is communicated with the oil inlet of the three-way pipe (2), and the other end of the third connecting pipe (7) is communicated with the output end of the output pump (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020262344.0U CN211855799U (en) | 2020-03-05 | 2020-03-05 | Oil pipe plug testing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020262344.0U CN211855799U (en) | 2020-03-05 | 2020-03-05 | Oil pipe plug testing device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211855799U true CN211855799U (en) | 2020-11-03 |
Family
ID=73238437
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020262344.0U Active CN211855799U (en) | 2020-03-05 | 2020-03-05 | Oil pipe plug testing device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211855799U (en) |
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2020
- 2020-03-05 CN CN202020262344.0U patent/CN211855799U/en active Active
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