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Date of Award
Master of Science in Geophysics (MS)
College, School or Department Name
Department of Geological and Mining Engineering and Sciences
Wayne D Pennington
A re-examination of seismic time-lapse data from the Teal South field provides support for a previously proposed model of regional pressure decline and the associated liberation of gas from nearby reservoirs due to the production from the only reservoir among them that is under production. The use of a specific attribute, instantaneous amplitude, and a series of time slices, however, provides increased detail in understanding fluid migration into or out of the reservoirs, and the path taken by pressure changes across faults. The regional decrease of pressure due to production in one reservoir has dramatic effects in nearby untapped reservoirs, one of which appears to exhibit evidence for the escape, and possible re-trapping nearby, of hydrocarbons from a spill point. The influx of water into the producing reservoir is also evidenced by a decrease in amplitude at one end of the oil-water contact.
Ezawi, Mohamed A., "Seismic observations of regional gas blowdown at Teal South", Master's report, Michigan Technological University, 2011.