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The AAPG/Datapages Combined Publications Database
West Texas Geological Society
Abstract
Optimizing the Value of Cuttings Samples
Abstract
Cuttings samples are commonly the only samples of 
reservoir
rocks and seals that are available for study. If correctly analyzed, these small samples can be extremely valuable for purposes of reservoir evaluation in both carbonates and sandstones. Although these samples are abundant, the amount of information typically derived from them is much less than is possible.
Reservoir storage capacity and flow properties are controlled by both macroscopic (thickness, extent, layering) and microscopic rock properties (porosity, pore size distribution, permeability, capillary displacement pressure). While some of this information can be derived from the study of log or seismic data, the analysis of actual rock samples, particularly when integrated with other information, dramatically improves reservoir modeling and formation interpretation.
Cuttings can be used to improve estimates of reservoir
permeability as well as define proper cutoff values and critical saturations. In addition, they can aid in the understanding anomalous log response such as low resistivity pays.
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