A Review on Fault Seal Study

Abstract

Abstract: According to the corelation analysis of characterization formulas and applied conditions of clay smear potential, shale smear factor and fault clay ratio， four kinds of origins and limitations of shale smear formulas are pointed out. Various methods and applied conditions of lithology allocation are reviewed. The effects of fault plane and faulted zone on fault seal property are given in the study of lithology llcation. It is suggested that the big challenge for analysis of lithology allocation is to determine the fault scale, total thickness of fault rock and dist ribution of small faults, etc. The fault seal mechanism can be divided into three aspects or 8 types. And the methods for study of fault seal property are classified into fourteen types and discussed. Finally, further research directions or tangets in fault seal are provided from the aspects of fault seal mechanism, studied thinking as well as the application of computer.

Key words: fault, seal property, fault throw, fault plane, strike, mechanism

CLC Number:

TE111.2

ZHAO Mi-fu. A Review on Fault Seal Study[J]. Xinjiang Petroleum Geology, 2004, 25(3): 333-336.

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