George P. Mitchell, the man credited with inventing modern hydraulic fracturing for natural gas, has died, the Houston Chronicle is reporting.
Mitchell had recently come out in favour of stricter regulation of fracking in recent years.
He was 94.
The son of Greek immigrants, Mitchell turned his oil development firm into a $3.5 billion powerhouse.
He sold the firm to Devon Energy in 2002, becoming Devon’s largest shareholder.
estimated his net worth at $2 billion.
NOW WATCH: Money & Markets videos
Business Insider Emails & Alerts
Site highlights each day to your inbox.