--> Spline Fit Subsidence Evaluation for Denudation Studies of Basin Analysis, by Q. Guo and F. Chen; #90986 (1994).

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Abstract: Spline Fit Subsidence Evaluation for Denudation Studies of Basin Analysis

Qianjie Guo, Fajing Chen

Erosion evaluation in hydrocarbon basin analysis is not only important for gas and oil generation, migration and accumulation, but also very important for study of a hydrocarbon basin's formation, development and transformation. In our study, a new development was used to evaluate the erosion, and we refer to it as Spline Fit Subsidence Evaluation (SFSE). SFSE is used to (1) find out possible existing erosional lines on hydrocarbon basin-subsidence figures; (2) to designate the time at which erosion began (i.e., the very earliest denuding age); and (3) to calculate the thickness lost during the erosional periods.

SFSE can be both used in a new and old oil fields independently, or together with all other conclusions of erosion studies using by other methods (e.g., geological methods, sedimentary velocity method, vitrinite reflectance method, etc.) or to check the believability of those erosional conclusions. SFSE might offer a scientific foundation for two- and three-dimensional erosion studies.

AAPG Search and Discovery Article #90986©1994 AAPG Annual Convention, Denver, Colorado, June 12-15, 1994