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Method and device for determining acoustic characteristic parameters of volcanic reservoir

A technology for acoustic characteristics and determination methods, which is applied in seismic signal processing and other directions, and can solve problems such as the inability to provide acoustic characteristic parameters of volcanic rock formations.

Pending Publication Date: 2022-08-05
PETROCHINA CO LTD
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Problems solved by technology

[0005] The embodiment of the present application provides a method and device for determining the acoustic characteristic parameters of volcanic rock reservoirs, to at least solve the technical problem that existing data and methods cannot provide the acoustic characteristic parameters required by volcanic rock formations

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  • Method and device for determining acoustic characteristic parameters of volcanic reservoir
  • Method and device for determining acoustic characteristic parameters of volcanic reservoir
  • Method and device for determining acoustic characteristic parameters of volcanic reservoir

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Embodiment Construction

[0026] In order to make those skilled in the art better understand the solutions of the present application, the technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present application. Obviously, the described embodiments are only The embodiments are part of the present application, but not all of the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those of ordinary skill in the art without creative work shall fall within the protection scope of the present application.

[0027] It should be noted that the terms "first", "second", etc. in the description and claims of the present application and the above drawings are used to distinguish similar objects, and are not necessarily used to describe a specific sequence or sequence. It is to be understood that data so used may be interchanged under app...

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Abstract

The invention discloses a volcanic rock reservoir acoustic characteristic parameter determination method and device. The method comprises the following steps: establishing a relationship between longitudinal wave interval transit time and gas saturation of a volcanic rock reservoir; establishing a calculation model of transverse wave interval transit time of different volcanic rock reservoirs; acoustic characteristic parameters of the volcanic rock reservoir are determined according to the relation and the calculation model, and the acoustic characteristic parameters at least comprise the longitudinal wave interval transit time and the transverse wave interval transit time of the volcanic rock reservoir. The technical problem that existing data and methods cannot provide acoustic characteristic parameters required by the volcanic rock stratum is solved.

Description

technical field [0001] The present application relates to the technical field of logging evaluation of complex oil and gas reservoir formations in petroleum exploration, and in particular, to a method and device for determining acoustic characteristic parameters of volcanic rock reservoirs. Background technique [0002] In petroleum geological research, the research ideas of point, line and plane are usually adopted, that is, core calibration logging, logging calibration seismic, and the combination of the three to comprehensively study the geological characteristics of the geological target. Among them, the petrophysical research for seismic inversion is the key to the combination of logging and seismic. However, in order to obtain good geological results, whether it is pre-stack or post-stack inversion, it is necessary to have logging data that can truly reflect the seismic-acoustic characteristics. The independent logging parameters that specifically describe the rock aco...

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Application Information

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IPC IPC(8): G01V1/28G01V1/30
CPCG01V1/282G01V1/307
Inventor 潘拓李静张进苏艳丽汪洋陈亮于浩业孔智勇阿依努尔·加坎
Owner PETROCHINA CO LTD
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