一种定量页岩可动和吸附油的方法
By combining conventional pyrolysis and multi-temperature-stage pyrolysis tests, the content of mobile and adsorbed oil in shale oil reservoirs is calculated, solving the problem of large errors in existing technologies and achieving accurate evaluation of shale oil resources.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Patents(China)
- Current Assignee / Owner
- CHINA PETROLEUM & CHEMICAL CORP
- Filing Date
- 2022-06-15
- Publication Date
- 2026-07-17
AI Technical Summary
Existing technologies are insufficient to accurately evaluate the resource potential of movable and adsorbed oil in shale reservoirs. Conventional pyrolysis methods may lead to errors and cannot effectively distinguish between movable and non-movable oil.
By combining conventional pyrolysis and multi-temperature-stage pyrolysis tests, the maximum and actual movable oil content per unit mass of TOC were calculated by calculating the S2-1/TOC value and (S1-2+S2-1)/TOC value at different peak temperatures of pyrolysis hydrocarbons, combined with the hydrogen index and organic matter abundance.
This improves the accuracy of shale oil resource assessment, clarifies the quantity of mobile and adsorbed oil in shale, and provides a more accurate method for resource calculation.
Smart Images
Figure CN115618157B_ABST