Downhole tool high-temperature and high-pressure simulation test device and test method

A high-temperature, high-pressure, simulation test technology, applied in the direction of measuring devices, machine/structural component testing, instruments, etc., can solve the problem of inability to effectively simulate the working state of tools, lack of test methods for simulation test devices, and lack of scientific and effective technical means, etc. problem, to achieve the effect of humanized operation software interface, simple structure and reliable operation

Inactive Publication Date: 2015-04-15
CHINA PETROCHEMICAL CORP +1
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  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, at present, the ground test of petroleum downhole tools lacks scientific and effective technical means, professional simulation test equipment and scientific test methods, and cannot effectively simulate the working state of tools in the downhole. various problems
The lack of simulation devices and test methods has buried hidden dangers for on-site construction

Method used

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  • Downhole tool high-temperature and high-pressure simulation test device and test method
  • Downhole tool high-temperature and high-pressure simulation test device and test method

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Experimental program
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Effect test

Embodiment 1

[0031] A high-temperature and high-pressure simulation test device for downhole tools, including a simulated wellbore and a supporting low-pressure drive system, a high-pressure oil system, a high-temperature circulation system, and a temperature and pressure measurement system for the simulated wellbore. The inner pipe and the outer pipe are connected between the blind flanges, and an annular heating chamber is formed between the inner and outer pipes. The upper and lower ends of the inner pipe are respectively connected with the casing flange and the inner wall of the casing blind flange through the isolation plate to form the upper and lower ends. A pressure chamber, where a conversion joint and an inner pipe fishing joint are arranged in the upper pressure chamber of the casing flange, and the inner pipe fishing joint protrudes from the opening of the outer section of the casing flange and is tightly connected with the upper sealing plug; the high temperature cycle The syst...

Embodiment 2

[0045] Embodiment 2, a typical application embodiment.

[0046] The high-temperature and high-pressure simulation test device for downhole tools includes a low-pressure drive system, a high-pressure oil system, a high-temperature circulation system, a temperature and pressure measurement system, a simulated wellbore, and a computer-controlled acquisition and video monitoring system. The low-pressure drive system is responsible for providing the power source for the high-pressure oil system, the high-pressure oil system is responsible for providing the simulation test pressure, the high-temperature circulation system is responsible for injecting heating oil into the simulation device to provide a high-temperature environment, and the temperature and pressure measurement system is responsible for sampling the temperature and pressure data, simulating The wellbore is mainly to simulate the working conditions of the tool downhole, and the computer control acquisition and video moni...

Embodiment 3

[0070] A high-temperature and high-pressure simulation test device for downhole tools, including a simulated wellbore and a supporting low-pressure drive system, a high-pressure oil system, a high-temperature circulation system, and a temperature and pressure measurement system for the simulated wellbore. The inner pipe and the outer pipe are connected between the blind flanges, and an annular heating chamber is formed between the inner and outer pipes. The upper and lower ends of the inner pipe are respectively connected with the casing flange and the inner wall of the casing blind flange through the isolation plate to form the upper and lower ends. A pressure chamber, where a conversion joint and an inner pipe fishing joint are arranged in the upper pressure chamber of the casing flange, and the inner pipe fishing joint protrudes from the opening of the outer section of the casing flange and is tightly connected with the upper sealing plug; the high temperature cycle The syst...

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Abstract

The invention relates to a downhole tool high-temperature and high-pressure simulation test device and a petroleum downhole tool simulation test method using the device. The device comprises a low-pressure driving system, a high-pressure petroleum system, a high-temperature circulation system, a temperature and pressure measurement system, a simulation wellhole and a computer control acquisition and video monitoring system. In the test, a medium simulating downhole fluid is injected into the simulation wellhole by the high-pressure petroleum system, and downhole working pressure of the simulation wellhole is simulated and controlled. In the whole process, pressure and temperature data of the device are acquired in real time via the pressure and temperature measurement system. Functions of controlling, a human-computer interface, data processing and communication are integrated in the computer control acquisition system. The video monitoring system is responsible for monitoring the operation situation of the whole device. The working state of petroleum drilling and well completion tools under the high-temperature and high-pressure situations can be simulated so that powerful reference basis is provided for onsite application.

Description

technical field [0001] The invention relates to the field of downhole tool detection and experiment devices and methods, in particular to a downhole tool high temperature and high pressure simulation test device and a test method. Background technique [0002] Petroleum downhole tools are the key to the realization of oil drilling and completion requirements, and the premise and guarantee for completing the drilling and completion process. With the deepening of oilfield development, the development needs of various difficult-to-recovery oil reservoirs are becoming more and more urgent, and the well depth is increasing. Well types are becoming more and more complex, all of which put forward higher requirements on the performance of petroleum downhole tools, especially the reliability of tools under high temperature and high pressure conditions is more critical. However, at present, the ground test of petroleum downhole tools lacks scientific and effective technical means, pro...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G01M99/00
Inventor 彭志刚余金陵徐鑫马明新李国锋许婵婵魏新芳魏绪伟张磊邹晓敏
Owner CHINA PETROCHEMICAL CORP
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