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Trap screening processing method and device

A processing method and processing device technology, applied in the field of geological exploration, can solve problems such as high benefit, quantitative evaluation, and failure to meet the demand for oil and gas exploration benefits, and achieve the effects of improving efficiency and economic benefits, improving accuracy, and accurate economic benefits

Inactive Publication Date: 2018-10-02
PETROCHINA CO LTD
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Problems solved by technology

[0003] In the existing technology, the method for trap screening is mainly based on the analysis of the basic geological conditions of oil and gas accumulation in traps, and then qualitatively evaluates its geological risk. This method cannot perform quantitative evaluation of geological risk, and cannot accurately screen out drilling risks with low drilling risks and benefits. High target traps cannot meet the increasing benefit demand of oil and gas exploration

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  • Trap screening processing method and device
  • Trap screening processing method and device
  • Trap screening processing method and device

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Embodiment Construction

[0077] In order to enable those skilled in the art to better understand the technical solutions in the present application, the technical solutions in the embodiments of the present application will be clearly and completely described below in conjunction with the drawings in the embodiments of the present application. Obviously, the described The embodiments are only some of the embodiments of the present application, but not all of them. Based on the embodiments in this application, all other embodiments obtained by persons of ordinary skill in the art without creative efforts shall fall within the scope of protection of this application.

[0078] In the process of oil and gas exploration, through the screening of traps, selecting traps with low drilling risk and high economic benefits for priority drilling deployment can provide accurate theoretical basis for oil and gas exploration, facilitate the design of exploration plans, and improve the economics of oil and gas explora...

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Abstract

The invention provides a trap screening processing method and device. The method comprises steps: according to seismic data, a to-be-evaluated trap in a to-be-analyzed area is acquired; a built reservoir formation factor validity coefficient evaluation criterion is used to determine a validity coefficient corresponding to an oil-gas reservoir formation factor of the to-be-evaluated trap; accordingto the validity coefficient corresponding to an oil-gas reservoir formation factor, the drilling success rate of the to-be-evaluated trap is determined; by using the drilling success rate and the trap resources of the to-be-evaluated trap acquired by a Monte Carlo volume method, and in combination of the total drilling investment and the oil price, the expected return value of the to-be-evaluatedtrap under a preset recovery factor is determined; and according to the expected return value and the drilling success rate, a trap screening result is determined. By using each embodiment in the invention, the trap screening result accuracy is improved, and the oil-gas exploration efficiency and the economic benefits are further improved.

Description

technical field [0001] The application belongs to the technical field of geological exploration, and in particular relates to a trap screening and processing method and device. Background technique [0002] Trap is the place where oil and gas are accumulated and preserved. Once hydrocarbon fluids with industrial value are accumulated and preserved in the trap, it will become an oil and gas reservoir. Therefore, traps have the conditions to become oil and gas reservoirs, and the selection of traps is directly related to whether the drilling success rate of target traps can be accurately predicted. For undrilled traps, whether the drilling of traps can be accurately predicted before drilling The success rate and its expected economic value are very important for improving the benefits of oil and gas exploration. [0003] In the existing technology, the method for trap screening is mainly based on the analysis of the basic geological conditions of oil and gas accumulation in t...

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G01V1/30
CPCG01V1/306G01V2210/624
Inventor 史忠生薛罗陈彬滔马轮何巍巍赵伟白洁
Owner PETROCHINA CO LTD
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