Chapter 15: An Early AVO Success: Discovery and Development of Jack Starrfield, Jackson County, Texas using AVO Analysis†
James L. Alien, Edward S. Ueanley, Raymond H. Parsons, 1993. "An Early AVO Success: Discovery and Development of Jack Starrfield, Jackson County, Texas using AVO Analysis", Amplitude Variation with Offset: Gulf Coast Case Studies, James L. Allen, Carolyn P. Peddy
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One of the first AVO discoveries in the Yegua trend is described in the following paper. An AVO anomaly was mapped on a seismic line across a combination stratigraphic/structural trap in an area where thick reservoir-quality sands had been drilled. AVO analysis contributed to the low risk perceived by the operators of this successful gas well. We include the paper because of the methodology used: detailed work was done to understand the seismic response, and AVO analysis was not the only geophysical tool used.
Figures & Tables
A cursory look at the contents of the book might lead the reader to belive that AVO is not a successful hydrocarbon indicator, as we show many examples of AVO predictions gone awry, and dry holes drilled based on AVO anomalies. However, a closer look at the pages will give the reader the message we are trying to convey: used properly and cautiously, AVO can be a valuable tool for direct detection. The preponderance of unhappy endings in the book is unavoidable, as the goal of this book is to provide information that may prevent other dry holes being drilled. Inevitably, the best lessons are learned from mistakes, a statement that applies to life in general as well as to seismic interpretation.