A method, system, device and storage medium for calculating formation porosity
By combining resistivity logging and acoustic logging data, weighted calculation methods are used to solve the problem of insufficient accuracy and reliability of formation porosity calculation in the prior art, and higher calculation accuracy is achieved.
CN120010014BActive Publication Date: 2025-07-08GUANGZHOU MARINE GEOLOGICAL SURVEY SANYA SOUTH CHINA SEA INST OF GEOLOGY +3
Patent Information
- Application Number
- CN202510495789.0
- Authority / Receiving Office
- CN · China
- Patent Type
- Patents(China)
- Current Assignee / Owner
- Filing Date
- 2025-04-21
- Publication Date
- 2025-07-08
- Estimated Expiration
- 2045-04-21
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Figure CN120010014B_ABST
Abstract
The present invention discloses a method, system, device and storage medium for calculating formation porosity, including: obtaining resistivity logging data, acoustic logging data, rock measurement data and fluid measurement data of a formation; determining an estimated value of resistivity porosity according to the resistivity logging data, and determining an estimated value of acoustic porosity according to the acoustic logging data; substituting the estimated value of resistivity porosity, the estimated value of acoustic porosity, the rock measurement data and the fluid measurement data into a preset formula for weighted calculation to obtain the target formation porosity. Embodiments of the present invention can improve the accuracy and reliability of formation porosity calculation and can be widely applied to the field of geological survey technology.
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Citation Information
Patent Citations
Calculation rock physics method for mapping resistivity logging into acoustic velocity logging
CN117348079A
Method for generating anisotropic resistivity volumes from seismic and log data using a rock physics model
US20100326669A1