Trial four-linking technology

A quadruple, technical technology, applied in the direction of production fluid, measurement, wellbore/well components, etc., can solve the problems of complex pipe string, affecting the determination of fluidity, and low precision of mechanical pressure gauge

Inactive Publication Date: 2006-08-16
吴永平 +4
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Problems solved by technology

At present, the commonly used oil testing combination technology is the testing triple operation technology. Although this technology has many advantages, it still has shortcomings. First, due to the small inner diameter of the mandrel of the MFE tester and the lack of corrosion resistance, the same string cannot be used. Take measures such as acidification transformation; second, the pipe string is complicated, there are many on-site operation procedures, and failures are prone to occur; third, the amount of liquid discharged from the non-self-spraying layer is small, which affects the determination of liquid properties; fourth, the accuracy of the mechanical pressure gauge used Low, the running time of the clock in the well is limited, and the pressure and temperature monitoring of the whole process of oil testing cannot be realized

Method used

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  • Trial four-linking technology

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Embodiment Construction

[0010] Below in conjunction with accompanying drawing, the present invention is described in further detail:

[0011] see figure 1 As shown, the oil testing quadruple operation technology refers to the completion of perforating, testing, pumping, and acidizing measures in one string. Its basic working principle: run perforating guns, fishable test devices, hydraulic pumps and other tools into the well together with the pipe string, cast rods to perforate after positioning, measure liquid level or surface self-spraying for production, shut down and measure Pressure recovery, if pumping is required, pumping is carried out for production, and if measures such as acidification and plugging removal are required, construction is carried out without moving the pipe string.

[0012] The depth error of the perforation process is ±20cm. For perforating bullets, there are basically no special restrictions, as long as they are suitable for the casing size, but try to avoid using booster...

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Abstract

A technique for testing oil in the process of reconnoiters oil field, the working procedures are: perforation, test, pumping and acidification which is the improvement, that can be achieved the four procedures by only one time pipe column which protect oil layer, save fund and quicken the speed of testing oil. In economy benefit, compare with others, it can save 150,000 Yuan and shorten 5 days in one layer each testing oil period, and suit for construct on both land and sea.

Description

technical field [0001] The invention relates to a technical process in the process of oil field exploration, development and oil testing. Background technique [0002] As the oil testing technology is developing towards the combination and joint operation, the oil testing processes are relatively scattered and independent construction has become a centralized joint construction. In this way, the oil and gas layers are protected, the secondary damage to the formation is reduced, and the economic benefits are improved. The speed of oil testing is accelerated, and it is safer and more reliable, meeting QHSE requirements. At present, the commonly used oil testing combination technology is the testing triple operation technology. Although this technology has many advantages, there are still shortcomings. First, due to the small inner diameter of the mandrel of the MFE tester and the lack of corrosion resistance, the same string cannot be used. Take measures such as acidification...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): E21B47/00E21B43/22E21B43/00E21B43/27
Inventor 吴永平周建生何炳振李东平郭秀庭
Owner 吴永平
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