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Prediction method and device for abrupt slope fan body

A prediction method and a technology of a prediction device, applied in the field of petroleum exploration, can solve problems such as the inability to well complete the growth rate development of faults to control the lateral variation characteristics of fan facies belts on steep slopes, and the difficulty of tight gas lithology reservoirs, etc., to achieve clear control, The effect of improving prediction and increasing success rate

Pending Publication Date: 2021-02-23
BC P INC CHINA NAT PETROLEUM CORP +1
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AI Technical Summary

Problems solved by technology

Neither single slice nor multiple slices can well complete the control of fault growth rate on the development of steep slope fans and the characterization of the lateral variation characteristics of facies belts of steep slope fans, which brings certain difficulties to the accurate interpretation of tight gas lithologic reservoirs.

Method used

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  • Prediction method and device for abrupt slope fan body
  • Prediction method and device for abrupt slope fan body
  • Prediction method and device for abrupt slope fan body

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Embodiment Construction

[0068] 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.

[0069] Embodiments of the present invention provide a specific implementation of a method for predicting steep slope sectors, see figure 1 , the method specifically includes the following content:

[0070] Step 100: Obtain seismic data of the target work area.

[0071] It can be understood that the seismic data in step 100 refers to the artifici...

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Abstract

The invention provides a prediction method and device for an abrupt slope fan body. The prediction method for the abrupt slope fan body comprises the steps: acquiring seismic data of a target work area; performing time slicing operation on the seismic data along a preset section to generate a time slicing data volume; and predicting the steep slope fan body according to the time slice data body. According to the method, based on the time slice of fault leveling, the control of different growth rates of the fault on the development of the steep slope fan is clearer, and the development ranges of different phase zones of the steep slope fan can be clearly divided on the time slice of different time, so that help is provided for predicting the development period and range of the steep slope fan; therefore, the success rate of tight gas exploration is improved while steep slope fan prediction is improved.

Description

technical field [0001] The invention relates to the field of petroleum exploration, in particular to the interpretation technology of seismic data of tight oil and gas reservoirs, in particular to a method and device for predicting steep slope fans. Background technique [0002] With the significant progress in the exploration technology of tight oil and gas reservoirs, higher requirements are put forward for geophysicists in the interpretation of lithologic oil and gas reservoirs in faulted basins. In the field of tight gas, steep slope fans are a key sweet spot reservoir in faulted basins Types of. The stratigraphic time slice technology can help to describe the steep slope fan, but the stratigraphic time slice is used to characterize the distribution characteristics of the steep slope fan along the stratigraphic direction. Physicists have been the focus of research. [0003] In the existing technology, stratigraphic time slice analysis techniques can be divided into two...

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Application Information

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IPC IPC(8): G01V1/30
CPCG01V1/301G01V1/306G01V2210/624
Inventor 郭波胡少华邹雯刘冬民耿玮柯钦
Owner BC P INC CHINA NAT PETROLEUM CORP
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