Allen Hadaway, P.E.
Allen Hadaway grew up in the oil and gas business. His father, William Hadaway, was an independent geologist for most of his career, and Allen spent many summers and weekends with his father on drilling rigs.
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He graduated from the University of Oklahoma with a BS in Petroleum Engineering in 1982, and he roustabouted, roughnecked and drilled while putting himself through college, which included working offshore gulf coast as a derrick man on semi-rig. Upon graduation, he hired on to Mesa Petroleum in Amarillo, TX for 3 years as a drilling and completion engineer in the mid-con. After leaving Mesa, he worked for C.W. Kelley Jr., Inc. for 5 years as a drilling and completion engineer again in the mid-con. In 1990, Allen established Hadaway Engineering, Inc. and in 2011, he formed the Hadaway Consulting and Engineering, LLC partnership where he served as a managing member until March 2019.
​During his long career, Allen has drilled thousands of horizontal wells throughout the mid-continent area in formations to include the Cleveland, Granite Wash, Tonkawa, Dolomite, Cottage Grove, Atoka, Morrow, Barnett Shale, Marmaton, Kansas City, Hepler, San Andres, and many others. He has vast experience in completions of cased hole and open hole packer systems, and he has worked on wells with SITP of 12,500 psig and 22,000′ in depth.
Allen has extensive experience in drilling, completion, and production of vertical and horizontal wells in the mid-continent area and is currently a registered Professional Engineer in the state of Texas.
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