Abstract:Since 1999, hydraulic fracture stimulation in the layered W31S Stevens reservoir, Elk Hills, has increased productivity of new infill wells. One to six months increase in production of well over 300 percent in barrels of oil equivalent per day (BOEPD) has been achieved. Since 2002, optimization in treatment fluid has lead to a change from conventional borate cross-linked, guar-based polymers to new gel technologies with low polymer concentrations designed to minimize formation damage - an important considerati… Show more
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