There were $1.8 billion in Bakken deals in the third quarter and that led all shale plays in terms of dollar value. There were $16.4 billion worth of deals in the third quarter and $5.4 were attributable to assets in shale plays.

The Eagle Ford in South Texas led with seven deals compared to the Bakken's three, but trailed the Bakken in total deal value by $100 million.

PWC only tracks deals with a value of more than $50 million. We actually covered four deals in the quarter:

• Oasis Acquires 160,000 Plus Bakken Acres - $1.5 Billion
• Whiting Petroleum Acquires Bakken Acreage in Montana and North Dakota - $260 million
• Samson Sells Bakken Assets in Montana - $13.5 million
• Halcon Buys Resolute Energy's Williams County Bakken Acreage - $75 million

Read the full oil and gas divestitures report at pwc.com