SEQUENCE STRATIGRAPHY OF CONTINENTAL STRATA:CHARACTERISTICS AND MODELS
The difficulty for analysing basin sedimentation is how to control the horizontal variation of continental strata.
如何控制 陆相地层横向不稳定性 ,是盆地分析的难点。
The basic sequence and facies analysis are indispensable for the division of continental strata.
因而 ,基本层序、相分析是 陆相地层划分不可忽视的方法
High-resolution sequence correlation of continental strata in the phase of reservoir development
The recognition of sequence boundaries and maximum flooding surfaces is the key problem in the study of sequence stratigraphy of continental strata.
The author aimed at the character of the continental stratum development to discuss the feasibility of the application of classical sequence stratigraphy to continental stratum .
针对 陆相地层发育特点 ,讨论了层序地层学基本原理在 陆相地层中应用的可行性。
NEW DATA OF THE CRETACEOUS STRATA ON THE NORTHEAST MARGIN OF THE OLD BOYANG LAKE BASIN: A DISCUSSION ON THE PROBLEMS AFTER CLARIFICATION OF TERRESTRIAL FORMATION
Methods of fine correlation and its matters needing attention in terrestrial formation.
First, with the support of the National Commission on Stratigraphy, experts of various working groups on stratigraphic dating made joint efforts in finishing compiling China Regional Chronostratigraphic (Chronologic) Scale, in which 102 stages from Sinian system to Quaternary system (including 52 stages of terrestrial formation) have been systematically established and 2 systems newly established.
There are at least three reservoir cases in deepwater: Eocene terrestrial formation, low Oligocene transitional formation and Pliocene and above marine deepwater fans.
DISCUSSION ON SOME PROBLEMS OF HIGH RESOLUTION SEQUENCE STRATIGRAPHY IN THE STUDY OF CONTINENTAL STRATIGRAPHY
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Oblique extension along an inverted Variscan thrust resulted in the formation of a half-graben, within more than 8 km of entirely continental strata accumulated.
Study of NMR porosity for terrestrial formation in China
However, it is found that the difference between NMR-derived and conventional log-derived porosities is often between 2 to 6 pu, which is unacceptable, in terrestrial formation in China.
The current NMR data acquisition method was studied based on laboratory NMR core measurements and found to be not good for terrestrial formation.
A new NMR data acquisition method suiting for terrestrial formation in China was proposed and much improved the accuracy of NMR porosity measurement.
Early attempts at land-sea correlations between continental glaciations and the marine δ18O record were premature without a high-resolution continental stratigraphy.