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The AAPG/Datapages Combined Publications Database
Houston Geological Society Bulletin
Abstract
Abstract: How an Independent is Using 3-D Seismic and CAEX Technology to Reduce Risk
By
Consultant, Houston, TX
Three-dimensional (3-D) seismic and computer- aided exploration (CAEX) is of growing significance in the oil and gas industry. Independent oil and gas firms that correctly implement this technology can earn exceptional rates of return on investment because of substantially reduced finding costs at reduced levels of risk. Advanced technology lowers finding costs by condemning prospects before they are drilled (reducing the number of wells drilled), and improving the finding rate (reserves per well) of successful wells. Also, it reduces the number of wells required to develop a discovery, and locates reserves that otherwise would not have been found because of the inadequacies of 2-D technology.
Until recently, the primary users of 3-D were major companies, and the primary application was the redevelopment of older fields. Texas Meridian Resources Corporation is an example of an independent that uses 3-D and CAEX for all its exploration prospects. Case studies are presented that illustrate how Texas Meridian Resources aggressively uses modem technology to improve economics. An exploration program of onshore prospects is presented that compares costs, success rates, finding rates, etc., for 2-D versus 3-D in order to calculate finding costs per barrel of oil or MCF of gas. While more money is spent initially on the 3-D alternative, this is more than offset by savings from fewer dry holes. 2-D versus 3-D finding costs are then compared to the selling prices for oil and gas to arrive at a rate of return index for each alternative. Several new field discoveries that resulted from 3-D surveys on onshore wildcat prospects are also illustrated.
The oil and gas industry has been in decline for 14 years as oil and gas prices plunged and the major oil companies withdrew from domestic exploration. 3-D and CAEX technologies are creating new investment opportunities for independent exploration and production companies.
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