Date(s) - 08/14/2018
11:30 am - 1:00 pm
Reservoir and Geomechanical Prediction Using Drill Cuttings
It is almost axiomatic to say to a room full of geologists “the rock speaks, we just have to listen”. As our industry continues to push the boundaries of what is considered a reservoir, the historical protocols, techniques, and methodologies may not often work in these new fields. With this in mind, Petricore and Metarock Laboratories propose an inexpensive and quantitative method of determining mechanical rock properties including a robust calculation of brittleness and producibility indexes from drill cuttings. This critical information is key for understanding and exploiting reservoirs in rocks having only a few percent porosity and nano-darcy permeability.
Our work flow begins by understanding the rock. Drill cuttings have been a powerful source of information used for decades by well site geologists for qualitative evaluation of reservoir properties. Characteristics that drive geomechanical behavior are observable in drill cuttings and include lithology, mineralogy, texture, evidence of fracturing, and the nature of the pore system. Quantitative data from cuttings is critical due to the lack of log or core data in the typical lateral wellbore. Often, completions are based on limited data to produce a geometric approach for hydraulic fracture stages. Production history has shown that most this production comes from only 1/3 of the clusters.
The goal of quantitative cuttings analysis is to maximize production and reduce stimulation costs. Tools and techniques generally in use for geologic applications include x-ray diffraction, electron microscopy, and thin section petrography. Direct measurement of some petrophysical properties (MICP), as well as organic (LECO TOC and RockEval) and inorganic (x-ray fluorescence) geochemistry provide additional data necessary for understanding these strata that often appear to be ‘monotonously homogeneous’.
Petrologist specializing in formation evaluation utilizing core, log, and petrographic data and techniques. Presented on topics including sedimentology, cased hole logging and reserve estimates utilizing geological modeling. Taught geology at the University of Alaska. Drawing from his education and experience in the Permian, Gulf Coast, California Central Basin, North Slope and Cook Inlet Basins of Alaska, and the Niger Delta area of Africa, he brings a broad experience base to resolving exploration and production issues.
Please make your reservations no later than Monday, August 13th by 3pm. Cost for lunch is $25 with reservation and $35 without.
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