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Well position optimal selection method and device based on ancient and modern geological elements

A technology of well location and elements, applied in the field of oil exploration

Pending Publication Date: 2020-12-25
BC P INC CHINA NAT PETROLEUM CORP +1
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Problems solved by technology

However, in the prior art, there is no well location selection method that comprehensively considers the ancient and modern geological accumulation factors

Method used

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  • Well position optimal selection method and device based on ancient and modern geological elements
  • Well position optimal selection method and device based on ancient and modern geological elements
  • Well position optimal selection method and device based on ancient and modern geological elements

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Embodiment Construction

[0093] In order to make the purpose, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments It is a part of embodiments of the present invention, but not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without creative efforts fall within the protection scope of the present invention.

[0094] Embodiments of the present invention provide a specific implementation of a well location optimization method based on ancient and modern geological elements, see figure 1 , the method specifically includes the following content:

[0095] Step 100: Generate a structural map of the hydrocarbon-bearing formation.

[0096] It can be understo...

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Abstract

The invention provides a well position optimal selection method and device based on ancient and modern geological elements. The well position optimal selection method based on the ancient and modern geological elements comprises the steps that a structural map of an oil-gas-containing stratum is generated; a structural map of the oil-gas-containing stratum in the strong hydrocarbon generation period is generated; an underlying or overlying palaeogeomorphic map of the oil-gas-containing stratum is generated; a reservoir distribution map of the oil-gas-containing stratum is generated according to seismic data of a target block; and the well position of a target work area is optimally selected according to the structural map of the oil-gas-containing stratum, the structural map of the oil-gas-containing stratum in the strong hydrocarbon generation period, the underlying or overlying palaeogeomorphic map of the oil-gas-containing stratum and the reservoir distribution map. According to thewell position optimal selection method, based on ancient and modern geological structure forms, four geological factors of palaeogeomorphology and oil-gas-containing reservoir distribution are combined, the efficient well position is comprehensively and optimally selected, the drilling success rate can be increased in actual oil-gas exploration, then the production cost is saved, and the economicbenefits are increased.

Description

technical field [0001] The present invention relates to the field of petroleum exploration, in particular to the technical field of exploration and development of oil and gas reservoirs related to paleogeomorphology (or weathering crust), and in particular to a well location optimization method and device based on ancient and modern geological elements. Background technique [0002] In recent years, on the basis of oil and gas exploration practice, some scholars have begun to pay attention to the controlling role of paleo-structural forms in the critical period of hydrocarbon generation and expulsion on oil and gas accumulation. Wang Xiangzeng et al. (2015) proposed a new method to comprehensively identify favorable exploration areas by recovering paleo-uplifts and interlayer abnormal pressure differences in the hydrocarbon generation period; Pu Renhai et al. A new method for comprehensively judging the oil and gas properties of favorable traps based on the paleostructural m...

Claims

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Application Information

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IPC IPC(8): G01V1/50
CPCG01V1/50G01V2210/6169
Inventor 周义军刘永涛代双和毕明波姚仙洲梁家昌
Owner BC P INC CHINA NAT PETROLEUM CORP
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