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Method and apparatus for quantitatively predicting reservoir forming probability of fault block oil-gas reservoir

A technology of oil and gas reservoirs and probability, applied in the direction of prediction, instrumentation, electrical digital data processing, etc.

Pending Publication Date: 2018-08-24
CHINA UNIV OF PETROLEUM (BEIJING)
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Problems solved by technology

This method reveals the preferential migration pathway of oil and gas very well, but the probability of accumulation cannot be directly determined only by the factor of the preferential migration pathway of the section

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  • Method and apparatus for quantitatively predicting reservoir forming probability of fault block oil-gas reservoir
  • Method and apparatus for quantitatively predicting reservoir forming probability of fault block oil-gas reservoir
  • Method and apparatus for quantitatively predicting reservoir forming probability of fault block oil-gas reservoir

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Embodiment Construction

[0088] In order to have a clearer understanding of the technical features, purposes and beneficial effects of the present invention, the technical solution of the present invention will be described in detail below in conjunction with the following specific examples, but it should not be construed as limiting the scope of the present invention.

[0089] Aiming at the problem that none of the existing technical methods can quantitatively predict the accumulation probability of fault block oil and gas reservoirs, the present invention provides a method of superimposing "functional elements", which is difficult to grasp subjectively and is not independent of each other objectively. The six elements of traditional geology that cannot be quantitatively characterized have been transformed into four main controlling factors that are independent of each other and can quantitatively characterize the accumulation probability of fault-block oil and gas reservoirs. By dissecting a large nu...

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Abstract

The invention provides a method and an apparatus for quantitatively predicting a reservoir forming probability of a fault block oil-gas reservoir. The method comprises the steps of determining main control factors of fault block oil-gas reservoir formation and distribution, wherein the main control factors include a hydrocarbon source kitchen, a phase, a fault zone and a regional cap formation, and the regional cap formation, the phase, the fault zone and the hydrocarbon source kitchen are arranged from top to bottom longitudinally; according to oil-gas control characteristics of the hydrocarbon source kitchen, building an oil-gas control geological model of the hydrocarbon source kitchen, and determining a reservoir forming probability of the fault block oil-gas reservoir under the control of the single factor, namely, the hydrocarbon source kitchen; according to oil-gas control characteristics of the phase, building an oil-gas control geological model of the phase, and determining areservoir forming probability of the fault block oil-gas reservoir under the control of the single factor, namely, the phase; according to oil-gas control characteristics of the fault zone, building an oil-gas control geological model of the fault zone, and determining a reservoir forming probability of the fault block oil-gas reservoir under the control of the single factor, namely, the fault zone; according to oil-gas control characteristics of the regional cap formation, building an oil-gas control geological model of the regional cap formation, and determining a reservoir forming probability of the fault block oil-gas reservoir under the control of the single factor, namely, the regional cap formation; and determining the reservoir forming probability of the fault block oil-gas reservoir.

Description

technical field [0001] The invention relates to a method and device for quantitatively predicting the accumulation probability of fault block oil and gas reservoirs, belonging to the technical field of quantitative prediction of oil and gas resources. Background technique [0002] With the continuous improvement of exploration degree and demand, the accumulation elements such as "generation, storage, sealing, transportation, enclosure, and preservation" proposed by classical petroleum geology can only play the role of qualitative analysis and logical inference in the process of solving problems. , are difficult to grasp subjectively, are not independent of each other objectively, and cannot be quantitatively characterized, which cannot meet the needs of deepening oil and gas exploration. [0003] In response to this problem, some scholars put forward the concept of "functional elements" to solve the problem of quantitatively characterizing the accumulation probability of oil...

Claims

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Application Information

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IPC IPC(8): G06F17/50G06Q10/04G06Q50/06
CPCG06F30/20G06F2111/10G06Q10/04G06Q50/06
Inventor 庞雄奇惠沙沙王珂
Owner CHINA UNIV OF PETROLEUM (BEIJING)
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