The family has been active in many other energy ventures and companies over the last 30 years, including:
Jones Exploration Company (1975-1985)
Gulf Coast exploration company
Closed operations
JM Petroleum (1979-1986)
Oil marketing and transportation company
Sold to Wesray Capital for $70 million
Taurus Energy Corporation (1988-1994)
Natural gas pipeline company
Sold to Coda for $20.5 million
Globex Energy, Inc. (1990-2002)
International exploration company
Sold to Marathon Oil Corporation for $155 million.
EnerVest, Ltd. (1992 - current)
Buys and operates properties for institutional investors
Currently operates more than 22,000 wells in 14 states
The family also has numerous interests outside the energy business, including banking, real estate and ranching.