In tropical forests, selective logging removes large trees that are often the main contributors to pollination. We studied pollination patterns of the African mahogany, Entandrophragma cylindricum ...
Computalog U.S.A. Inc. Fort Worth, Tex. A new cased-hole logging technique can be used for prospecting in old wells, monitoring reservoir dynamics, or as an alternative when open hole logging is ...
An empirical method, designated as DMR (density-magnetic resonance) porosity, combines density and nuclear magnetic resonance porosities to improve the estimate of tight gas sand porosity. The DMR ...
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