Abstract
ABSTRACT Due to the high degree of fluid sensitivity in the Ferguson Sandstone formation of the Empire and Iberlin Fields, Campbell County, Wyoming, an alternate fluid-less completion technique was sought. Conventional stimulation methods utilizing acids and water or oil based fracturing fluids were considered inappropriate due to the possibility of creating additional formation damage through the release and transport of various fines, and the possibility of creating flow channels or fractures which could allow nearby water to be produced. The alternate method used, utilizes a (solid fuel) charge of progressively burning propellant in order to create channels of improved permeability from high temperature, high velocity gas expansion. This was attempted on fairly low productivity wells and general preliminary results indicate immediate production increases and/or improved decline rates. These are just preliminary results and an overall evaluation of this method is currently on-going. The purpose of this paper is to present the application of, and the immediate results from, this new stimulation method. In doing so, this paper attempts to provide the industry with an evaluation of the usefulness and economic feasibility of this alternate treatment method. This may lead to conjectures concerning additional areas, if any, for the profitable application of this device.
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