Gregg Alan McDonald



University of Oklahoma
Class of 1978
B.S. Geology


American Association of Petroleum Geologists

Oklahoma City Society of Petroleum Geologists

Significant Accomplishments ... Increased the reserves of the Mid Continent Region of Union Texas Petroleum each year from 1979 through 1986. Developed exploration and exploitation programs for both independent and major companies in the Mid-Continent Region from 1986 through 1997, resulting in major increases in such companies' reserves.

Recent Accomplishments... Caused the initial Arbuckle Discovery in the Ames Hole of Northwestern Oklahoma; Recent exploration has centered in the areas of Oklahoma, Garvin, and McClain Counties. Discovered a .5 million bbl oil field in Oklahoma County. Oil Creek formation field; in Garvin County exploration efforts led to the drilling of a two-well field that resulted showing reserves in excess of 1 million BOE (bbls/oil equivalent)- crude oil and natural gas, and other recent discoveries in McClain County, Oklahoma resulting in .25 million bbls of oil reserves. A (wildcat) Misener Sand discovery in NW Oklahoma; a Cleveland Sand discovery in Logan County, Oklahoma and an Earisboro discovery in Pottawatomie County, Oklahoma. Discovered the South Purcell Oil & Gas Field, and the North Purcell Lake Oil & Gas Field, both in McClain County, Oklahoma.



Contact Us



Gregg Alan McDonald
200 North Harvey #107
Oklahoma City OK 73102
405.239.2829 [work]


Obele Oil Corporation
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