CN212871709U - High-temperature and high-pressure testing device for packer rubber barrel - Google Patents
High-temperature and high-pressure testing device for packer rubber barrel Download PDFInfo
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- CN212871709U CN212871709U CN202022096101.7U CN202022096101U CN212871709U CN 212871709 U CN212871709 U CN 212871709U CN 202022096101 U CN202022096101 U CN 202022096101U CN 212871709 U CN212871709 U CN 212871709U
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Abstract
The utility model discloses a high-temperature and high-pressure testing device for a packer rubber cylinder, which comprises a displacement sensor, an oil cylinder, a sealing plug, a clamp, a mounting plate, a piston rod, a pressing block, a rubber cylinder, a top block, a locking nut, a high-pressure cylinder body, an oil bath groove and a temperature sensor; a displacement sensor is arranged above the oil cylinder; the oil cylinder and the sealing plug are taken as a whole, and the pressing block, the rubber cylinder and the jacking block are fixed on the piston rod by using a locking nut and are placed in the high-pressure cylinder body; clamping the sealing plug and the high-pressure barrel by using a clamp; the high-pressure cylinder is used as a containing cavity for testing the packer rubber cylinder and can be heated by oil bath and pressurized by an external booster pump. The utility model discloses a to the pressure in the pressurization simulation pit in the high-pressure barrel, the compressibility, the leakproofness and the durability of test packer packing element, the compression distance of ability accurate measurement packing element moreover can also test the packer packing element alone, need not be equipped with a packer main part for each packing element.
Description
[ technical field ]
The utility model relates to a high temperature high pressure testing arrangement of packer packing element for simulation oil field is environment in the pit and test packer packing element performance and parameter under different pressure and temperature.
[ background art ]
The packer is an important tool for the oil field downhole operation, can pack the front section and the rear section of a casing pipe, and is convenient for implementing different downhole operations on each section. The packer rubber cylinder is made of rubber, the underground environment needs to be simulated when the performance of the packer rubber cylinder is developed in underground operation, and the compressibility, the sealing performance, the durability and the like of the packer rubber cylinder under different temperatures and pressures are tested in a laboratory.
At present, the conventional method is to install a packer rubber cylinder on a packer and test the packer rubber cylinder in a simulation sleeve, so that the assembly and disassembly steps are complex, the rubber cylinders with different specifications need to be provided with packers with different specifications, the cost is high, and the compression distance of the rubber cylinder is difficult to test.
[ summary of the invention ]
In order to overcome the technical problem, the utility model provides a high temperature high pressure test device of packer packing element, the device can accurate simulation temperature and pressure environment in the pit, puts into the device with the packer packing element and carries out the simulation test, obtains performance and parameter of packer packing element under different pressure and temperature.
The utility model adopts the technical proposal that:
a packer packing element high-temperature high-pressure testing device comprises a displacement sensor, an oil cylinder, a sealing plug, a clamp, a mounting plate, a piston rod, a pressing block, a packing element, a top block, a locking nut, a high-pressure barrel, an oil bath groove and a temperature sensor; a displacement sensor is arranged above the oil cylinder; the oil cylinder and the sealing plug are taken as a whole, and the pressing block, the rubber cylinder and the jacking block are fixed on the piston rod by using a locking nut and are placed in the high-pressure cylinder body; clamping the sealing plug and the high-pressure barrel by using a clamp; the mounting plate is used for fixing the high-pressure cylinder body, so that the lower half part of the high-pressure cylinder body is immersed into the oil bath groove; the high-pressure cylinder is heated by oil in the oil bath groove and/or pressurized by an external booster pump, and a temperature sensor is arranged outside the oil bath groove and used for detecting the temperature in the oil bath groove.
The displacement sensor is used for testing the compression distance of the rubber cylinder when the piston rod compresses the rubber cylinder, is arranged in the oil cylinder, and outputs current signals to the PLC or the secondary instrument.
The oil cylinder is used for generating thrust for compressing the packer rubber cylinder, is arranged at the top of the high-temperature high-pressure container, and the driving medium can use heat conduction oil.
The sealing plug is used for sealing the high-temperature high-pressure cylinder, is in sliding seal with the piston rod and is in static seal with the high-pressure cylinder; the high-pressure barrel is used for providing a high-temperature high-pressure container for testing the packer rubber.
The clamp is used for clamping the sealing plug and the high-pressure barrel so that the sealing plug seals the high-pressure medium in the high-pressure barrel.
The upper end of the piston rod is positioned in the oil cylinder, the lower end of the piston rod is positioned in the high-pressure cylinder, and the packer rubber cylinder is compressed under the action of the oil cylinder.
The pressing block is used for compressing the packer rubber barrel, and the diameter of the pressing block is consistent with that of the rubber barrel.
The rubber sleeve is a packer rubber sleeve and is a test object of the packer rubber sleeve high-temperature high-pressure test device.
The ejector block is used for supporting the packer rubber cylinder, the lower end face acts on a step in the cylinder body, and the piston rod is limited by the step when moving downwards.
The oil bath groove is used for storing high-temperature heat conduction oil and heating the internal medium in the high-pressure cylinder and the packer rubber cylinder in a heat conduction mode.
The utility model discloses following beneficial effect has: the utility model simulates the underground pressure by pressurizing the high-pressure cylinder body, tests the compressibility, the sealing performance and the durability of the packer rubber cylinder, and can accurately measure the compression distance of the rubber cylinder; the utility model is used for simulating the underground temperature by heating the high-pressure cylinder and the internal medium; the utility model can test the compression distance of the packer rubber cylinder and obtain the relation between the sealing pressure and the compression distance of the packer rubber cylinder; the utility model can be used for the high temperature and high pressure aging test of the packer rubber cylinder; the utility model discloses can test the packer packing element alone, need not be equipped with a packer main part for each packing element.
[ description of the drawings ]
1. Fig. 1 is the high-temperature high-pressure testing device schematic diagram of the packer rubber cylinder of the utility model.
The labels in the figure are respectively: the device comprises a displacement sensor 1, an oil cylinder 2, a sealing plug 3, a clamp 4, a mounting plate 5, a piston rod 6, a pressing block 7, a rubber cylinder 8, a top block 9, a locking nut 10, a high-pressure cylinder 11, an oil bath 12, a temperature sensor 13, a port 14A, a port 15B, a port 16 upper pressure inlet, a port 17 lower pressure inlet, a heat-conducting oil outlet 18, a heat-conducting oil inlet 19 and a sewage outlet 20.
[ detailed description of the invention ]
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. The components of embodiments of the present invention, as generally described and illustrated in the figures herein, may be arranged and designed in a wide variety of different configurations.
Thus, the following detailed description of the embodiments of the present invention, presented in the accompanying drawings, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.
It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, it need not be further defined and explained in subsequent figures.
In the description of the present invention, it should be noted that, if the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer" and the like indicate the position or positional relationship based on the position or positional relationship shown in the drawings, or the position or positional relationship which is usually placed when the product of the present invention is used, the description is only for convenience of description and simplification, but the indication or suggestion that the device or element to be referred must have a specific position, be constructed and operated in a specific position, and thus, cannot be understood as a limitation of the present invention.
As shown in the attached drawing, the packer rubber high-temperature high-pressure testing device comprises a displacement sensor 1, an oil cylinder 2, a sealing plug 3, a hoop 4, a mounting plate 5, a piston rod 6, a pressing block 7, a rubber cylinder 8, a top block 9, a locking nut 10, a high-pressure cylinder 11, an oil bath groove 12 and a temperature sensor 13. A displacement sensor 1 is arranged above the oil cylinder; before testing, the oil cylinder 2 and the sealing plug 3 are taken as a whole, and the pressing block 7, the rubber cylinder 8 and the jacking block 9 are fixed on the piston rod 6 by the locking nut 10 and are placed into the high-pressure cylinder body 11 after assembly is completed; the sealing plug 3 and the high-pressure barrel 11 are clamped tightly by using a clamp 4; the mounting plate 5 is used for fixing the high-pressure cylinder 11, so that the lower half part of the high-pressure cylinder 11 is immersed into the oil bath 12; the high-pressure cylinder 11 is pressurized by oil in the oil bath 12, a temperature sensor 13 is arranged outside the oil bath 12, and the temperature sensor 13 is used for detecting the temperature in the oil bath 12; the side of the oil bath groove 12 is provided with a heat conduction oil outlet 18 and a heat conduction oil inlet 19, and a drain outlet 20 is arranged below the oil bath groove 12. The utility model discloses having set up simultaneously and having advanced pressure port 16 and advanced pressure port 17 down, under some test requirements, can be simultaneously to last pressure port 16 with advance pressure port 17 down and carry out the pressure boost simultaneously.
The utility model discloses the mounting means before retest is for installing packer packing element 8 on piston rod 6, put into high-pressure barrel 11 in, installation sealing plug 3 and 4 clamps to with the bolt fastening. Pressurizing at the port A14 of the oil cylinder 2, descending the piston rod 6 to compress the rubber cylinder 8, and the jacking block 9 plays a role in supporting the rubber cylinder. Meanwhile, high-temperature heat conducting oil is led in through a heat conducting oil inlet 19 on the side of the oil bath groove 12. After the rubber cylinder is compressed, the heat conduction oil circulating device is started to raise the temperature of the oil bath groove 12 to the rated temperature of the rubber cylinder, and the pressure is increased to the rated pressure of the rubber cylinder from the upper pressure inlet 16 of the high-pressure container 11.
The specific test flow of the packer rubber high-temperature high-pressure test device is as follows: the sealing plug 3 and the oil cylinder 2 are connected into a whole through a bolt, the pressing block 7, the rubber cylinder 8 and the jacking block 9 are sequentially installed on the piston rod 6, and the locking nut 10 is locked. And hanging the mounted assembly into the high-pressure cylinder 11, closing the clamp 4 and fixing by using bolts. Pressing an opening A14 of the oil cylinder 2, enabling the piston rod 6 to descend to compress the rubber cylinder 8, enabling the rubber cylinder 8 to expand to divide the high-pressure cylinder body 11 into an upper cavity and a lower cavity, limiting the movement of the ejector block by a step in the high-pressure cylinder body 11, and reading the compression distance through the displacement sensor 1; after the rubber cylinder 8 is compressed, the oil bath 12 starts to be heated to a rated temperature, and is pressurized to a rated pressure from an upper pressure inlet 16 of the high-pressure cylinder 11 to an upper cavity by using a booster pump. The packer rubber 8 seals the pressure in the upper cavity of the high-pressure cylinder body 11; packer packing element 8 keeps certain time under rated temperature and rated pressure, and the record is started pressure and end pressure, judges whether the packing element leaks according to the pressure drop size, if pressure continues to descend, can judge that the sealing performance of packing element is not up to standard, if the pressure drop is in the allowed band and finally tends to stably, then the sealing performance of packing element under this pressure and temperature is good, the utility model discloses according to the range and the trend of the pressure reduction of epicoele, judge whether qualified the sealing performance of packer packing element. After the test is finished, firstly releasing the pressure, then cooling to the normal temperature, pressing at the port B15 of the oil cylinder 2, enabling the piston rod 6 to move upwards, enabling the packer rubber cylinder 8 to be separated from the inner wall of the high-pressure cylinder body 11, loosening the clamp 4, integrally lifting the test assembly out of the high-pressure cylinder body 11, dismounting the locking nut 10 and the ejector block 9, taking down the packer rubber cylinder 8, and evaluating the comprehensive performance of the rubber cylinder according to the deformation condition of the rubber cylinder and the test data.
The above embodiments are described in detail, but the present invention is not limited to these examples. Without departing from the technical principle of the present invention, the present invention shall be modified and changed within the claims and the technology thereof, and shall also belong to the protection scope of the present invention.
Claims (10)
1. A packer rubber cylinder high-temperature high-pressure testing device is characterized by comprising a displacement sensor, an oil cylinder, a sealing plug, a clamp, an installation plate, a piston rod, a pressing block, a rubber cylinder, a top block, a locking nut, a high-pressure cylinder body, an oil bath groove and a temperature sensor; a displacement sensor is arranged above the oil cylinder; the oil cylinder and the sealing plug are taken as a whole, and the pressing block, the rubber cylinder and the jacking block are fixed on the piston rod by using a locking nut and are placed in the high-pressure cylinder body; clamping the sealing plug and the high-pressure barrel by using a clamp; the mounting plate is used for fixing the high-pressure cylinder body, so that the lower half part of the high-pressure cylinder body is immersed into the oil bath groove; the high-pressure cylinder is heated by oil in the oil bath groove and/or pressurized by an external booster pump, and a temperature sensor is arranged outside the oil bath groove and used for detecting the temperature in the oil bath groove.
2. The packer rubber high-temperature high-pressure testing device as claimed in claim 1, wherein the displacement sensor is used for testing the compression distance of the rubber cylinder when the piston rod compresses the rubber cylinder, is arranged inside the oil cylinder, and outputs a current signal to a PLC or a secondary instrument.
3. The packer rubber high-temperature and high-pressure testing device as claimed in claim 1, wherein the oil cylinder is used for generating thrust for compressing the packer rubber, and is arranged at the top of the high-temperature and high-pressure container, and the driving medium can be heat conducting oil.
4. The packer rubber high-temperature and high-pressure testing device as claimed in claim 1, wherein the sealing plug is used for sealing the high-temperature and high-pressure barrel, is in sliding seal with the piston rod, and is in static seal with the high-pressure barrel; the high-pressure barrel is used for providing a high-temperature high-pressure container for testing the packer rubber.
5. The packer rubber high-temperature high-pressure testing device as claimed in claim 1, wherein the clamp is used for clamping the sealing plug and the high-pressure barrel so that the sealing plug seals the high-pressure medium in the high-pressure barrel.
6. The device for testing the packer rubber cylinder at the high temperature and the high pressure as claimed in claim 1, wherein the upper end of the piston rod is positioned in the oil cylinder, the lower end of the piston rod is positioned in the high pressure cylinder, and the packer rubber cylinder is compressed under the action of the oil cylinder.
7. The packer rubber high-temperature high-pressure testing device as claimed in claim 1, wherein the pressing block is used for compressing the packer rubber, and the diameter of the pressing block is consistent with that of the rubber.
8. The packer rubber high-temperature and high-pressure testing device as claimed in claim 1, wherein the rubber cylinder is a packer rubber cylinder and is a test object of the packer rubber cylinder high-temperature and high-pressure testing device.
9. The packer rubber high-temperature and high-pressure testing device as claimed in claim 1, wherein the jacking block is used for supporting the packer rubber, the lower end face of the jacking block acts on a step in the cylinder, and the piston rod is limited by the step when descending.
10. The packer rubber high-temperature and high-pressure testing device as claimed in claim 1, wherein the oil bath is used for storing high-temperature heat conducting oil to heat the internal medium in the high-pressure cylinder and the packer rubber through heat conduction.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022096101.7U CN212871709U (en) | 2020-09-23 | 2020-09-23 | High-temperature and high-pressure testing device for packer rubber barrel |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022096101.7U CN212871709U (en) | 2020-09-23 | 2020-09-23 | High-temperature and high-pressure testing device for packer rubber barrel |
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| CN212871709U true CN212871709U (en) | 2021-04-02 |
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| CN202022096101.7U Active CN212871709U (en) | 2020-09-23 | 2020-09-23 | High-temperature and high-pressure testing device for packer rubber barrel |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113815895A (en) * | 2021-10-12 | 2021-12-21 | 中国航空综合技术研究所 | Test method and device for detecting high-temperature high-pressure gas pipeline connection clamp |
| CN115628984A (en) * | 2022-09-28 | 2023-01-20 | 中信重工机械股份有限公司 | Pressure test tool and method for narrow closed oil cavity of piston rod with double-layer welding structure |
-
2020
- 2020-09-23 CN CN202022096101.7U patent/CN212871709U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113815895A (en) * | 2021-10-12 | 2021-12-21 | 中国航空综合技术研究所 | Test method and device for detecting high-temperature high-pressure gas pipeline connection clamp |
| CN113815895B (en) * | 2021-10-12 | 2023-05-12 | 中国航空综合技术研究所 | Test method and device for high-temperature high-pressure gas pipeline connection clamp |
| CN115628984A (en) * | 2022-09-28 | 2023-01-20 | 中信重工机械股份有限公司 | Pressure test tool and method for narrow closed oil cavity of piston rod with double-layer welding structure |
| CN115628984B (en) * | 2022-09-28 | 2023-09-15 | 中信重工机械股份有限公司 | Pressure testing tool and method for narrow sealed oil cavity of piston rod with double-layer welding structure |
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