Roy R. Vann Sr.
Roy R. Vann, Sr. was born January 20, 1924 in Royce City, Texas. He was drafted into the U.S. Army in 1943 and served in the Pacific Campaign and was honorably discharged in 1946.
Mr. Vann started his petroleum career in 1951 as an operator and technician for Schlumberger Well Services (SWS) in Magnolia, Arkansas. He was transferred to Houston, Texas, and finished his studies at the University of Houston, receiving a BS in Electrical Engineering in 1956.
He had an 18 year career with SWS serving as Field Engineer, Operations Manager, Senior Sales Engineer and Log Analyst.
Roy founded Vann Tool Company and performed the first successful Tubing Conveyed Perforating (TCP) job in October 1970. By 1980 his company was a global company (GEO VANN) and had tripled in growth during this period. The demand for TCP and tools associated with TCP were widely accepted and became a standard completion method worldwide.
Halliburton recognized the value that this process brings to the petroleum industry and purchased his company and patents in 1986. It became Vannsystems® a division of Halliburton. The Vanngun® is a trademark of Halliburton and is known worldwide.
Mr. Vann holds 37 US patents and is still active in the petroleum industry. His five new patents relate to new pumping systems. Field testing has been in progress for more than five years.
Mr. Vann lives in Tyler, Texas and is an active member in the East TX Chapter of the Society of Petroleum Engineers (SPE). He recieved the Petroleum Engineers International Special Meritorious Award for Engineering Innovation, "Tubing Conveyed Perforating" in 1988. He received the Pioneer Award from East TX SPE in 1997.