Logging Evaluation Technology of Cambrian Deep Dolomite Reservoir in Tazhong Area
Received date: 2014-10-20
Revised date: 2015-01-14
Online published: 2015-07-10
The Cambrian deep dolomite reservoir in Tazhong area is deeply buried and complex in lithology.The hydrocarbon pore volume mainly consists of secondary erosional vugs accompanied with fractures.This may cause strong reservoir heterogeneity and complex oil-water relationship.This makes reservoir quantification and fluid identification difficult.A logging evaluation technology which suits Cambrian deep dolomite reservoir in Tazhong area is proposed after researching and practicing.This technology is based on MESI,ECS,APS,Sonic Scanner and combined with MESI Apparent Formation Water Resistivity Spectrum.It can not only finely describe the feature of vugs and fractures developed in dolomite reservoir,but also play well in effectiveness evaluating and fluid confirming of reservoir and plays an important role in discovery and evaluation of Cambrian deep dolomite reservoir.
XIAO Cheng-wen，ZHANG Cheng-sen，LIU Shi-wei，HAN Dong-chun，WU Xing-neng，ZHANG Zhang，JU Da-hai，SHAN Jiao-yi . Logging Evaluation Technology of Cambrian Deep Dolomite Reservoir in Tazhong Area[J]. Natural Gas Geoscience, 2015 , 26(7) : 1323 -1333 . DOI: 10.11764/j.issn.1672-1926.2015.07.1323
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