Method and device for judging reservoir fluid trend and compaction trend

A compaction trend and fluid technology, applied in the field of petroleum geophysical exploration, can solve the problems of increasing the multi-solution of reservoir prediction, and achieve the effect of improving the accuracy and overcoming the multi-solution

Active Publication Date: 2020-06-05
PETROCHINA CO LTD
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Conventional methods usually use one attribute to solve a problem. The physical meaning represented by each attribute and the method of ex

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  • Method and device for judging reservoir fluid trend and compaction trend
  • Method and device for judging reservoir fluid trend and compaction trend
  • Method and device for judging reservoir fluid trend and compaction trend

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[0046] The technical solutions in the embodiments of the present disclosure will be clearly and completely described below in conjunction with the accompanying drawings. Referring to the non-limiting exemplary embodiments shown in the accompanying drawings and detailed in the following description, the examples of the present disclosure will be more fully described. Embodiments and their various features and advantageous details. It should be noted that the features shown in the figures are not necessarily drawn to scale. The present disclosure omits descriptions of well-known materials, components, and process techniques so as not to obscure the example embodiments of the present disclosure. The examples given are only intended to facilitate understanding of the implementation of the example embodiments of the present disclosure and to further enable those skilled in the art to practice the example embodiments. Accordingly, these examples should not be construed as limiting ...

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Abstract

The invention discloses a method and device for judging a reservoir fluid trend and a compaction trend. The method for judging the reservoir fluid trend and the compaction trend comprises the steps of: obtaining a pre-stack seismic gather of a target region, obtaining a longitudinal wave speed, a transverse wave speed and a density data volume according to the pre-stack seismic gather of the target region, utilizing the longitudinal wave speed, the transverse wave speed and the density data volume to obtain a pseudo attenuation attribute volume, obtaining an orthogonal attribute factor expression based on a rotation angle as a parameter according to the pseudo attenuation attribute volume, obtaining a rotation angle value based on rock physical analysis, and substituting the rotation anglevalue into the orthogonal attribute factor expression to obtain a corresponding orthogonal attribute factor, and judging a reservoir fluid trend and a compaction trend based on the orthogonal attribute factors.

Description

technical field [0001] This specification relates to the technical field of petroleum geophysical exploration, and in particular to a method and device for judging reservoir fluid trend and compaction trend. Background technique [0002] In the process of petroleum exploration and development, the distribution of fluid in the reservoir and the compaction trend of reservoir rock are two very important indicators, which determine the development potential of the reservoir. The trend of reservoir compaction reflects the distribution of pore space in the reservoir. The more serious the compaction is, the smaller the reservoir space is, resulting in less recoverable resources per unit volume. The fluid trend reflects the different types of fluids in the reservoir. The higher the water saturation in the unit reservoir space, the lower the hydrocarbon content of the reservoir, and the worse the economy of the reservoir. Predicting the compaction trend and fluid trend of the reserv...

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Application Information

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IPC IPC(8): G01V1/30
CPCG01V1/306
Inventor 王磊石兰亭方乐华陈彬滔郭维华
Owner PETROCHINA CO LTD
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