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Method and device for testing and explaining shale oil reservoir fractured horizontal well without stopping well

A technology for horizontal wells and shale oil, which is applied in the field of reservoir exploration and can solve problems such as inability to analyze shale reservoirs

Active Publication Date: 2020-08-18
CHINA UNIV OF PETROLEUM (BEIJING)
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  • Abstract
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Problems solved by technology

[0005] The embodiment of the present application provides a shale oil reservoir fracturing horizontal well test and interpretation method and device to solve the problem that the shale oil reservoir cannot be analyzed efficiently and accurately in the prior art

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  • Method and device for testing and explaining shale oil reservoir fractured horizontal well without stopping well
  • Method and device for testing and explaining shale oil reservoir fractured horizontal well without stopping well
  • Method and device for testing and explaining shale oil reservoir fractured horizontal well without stopping well

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Embodiment Construction

[0024] The principle and spirit of the present application will be described below with reference to several exemplary embodiments. It should be understood that these embodiments are given only to enable those skilled in the art to better understand and implement the present application, rather than to limit the scope of the present application in any way. Rather, these embodiments are provided so that this disclosure will be thorough and complete, and will fully convey the scope of this disclosure to those skilled in the art.

[0025] Those skilled in the art know that the embodiments of the present application may be realized as a system, device, method or computer program product. Therefore, the disclosure of the present application can be specifically implemented in the form of complete hardware, complete software (including firmware, resident software, microcode, etc.), or a combination of hardware and software.

[0026] Although the processes described below include mul...

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Abstract

The invention provides a method and device for testing and explaining a shale oil reservoir fractured horizontal well without stopping the well, and the method comprises the steps: obtaining the geological data of a first horizontal well, the parameter data of a fracturing operation mode, the first well-stopping-free production dynamic data and the first well-stopping-free testing dynamic data ina target research region; establishing a well-stopping-free testing seepage model; determining a target characteristic parameter which has the maximum influence on a well testing model curve output bythe well-stopping-free testing seepage model in the plurality of characteristic parameters; determining deviation coefficients of the target characteristic parameter under different numerical values,and taking the target characteristic parameter value corresponding to the minimum value of the deviation coefficient as a target test parameter value; and according to the target test parameter valueand a well-stopping-free test seepage model, explaining the first well-stopping-free test dynamic data. In the embodiment of the invention, the influence of shale oil reservoir shut-in on productioncan be effectively avoided, and accurate well test interpretation can be carried out on the multi-section fractured horizontal well under the condition of reducing the production benefit loss.

Description

technical field [0001] The present application relates to the technical field of oil reservoir exploration, in particular to a shale oil reservoir fracturing horizontal well testing and interpretation method and device. Background technique [0002] With the widespread application of horizontal well fracturing technology, the production of shale oil wells has been greatly increased. Well test interpretation is an integral part of oil and gas reservoir engineering, and one of the main technical means and basic work in the exploration and development of oil and gas fields. Well test interpretation is an important means to understand oil and gas reservoirs, evaluate oil and gas reservoirs, monitor production performance and evaluate completion efficiency. [0003] The modern well testing analysis method in the prior art can effectively invert the related information of the reservoir and the well through the analysis of the unstable pressure response characteristics of the well...

Claims

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Application Information

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IPC IPC(8): G06F30/20
CPCG06F30/20
Inventor 陈志明张兴娇廖新维
Owner CHINA UNIV OF PETROLEUM (BEIJING)
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