Divestitures	6 Months Ended
Jun. 30, 2016
Property, Plant and Equipment Impairment or Disposal [Abstract]
Divestitures	DIVESTITURES Oil and Natural Gas We sold non-core oil and natural gas assets, net of related expenses, for $43.6 million during the first six months of 2016, compared to less than $0.1 million during the first six months of 2015. Proceeds from those sales reduced the net book value of our full cost pool with no gain or loss recognized. Contract Drilling During the second quarter of 2015, we recorded a write-down of approximately $8.3 million pre-tax on drilling equipment that was being held for sale.

Divestitures

6 Months Ended

Jun. 30, 2016

Property, Plant and Equipment Impairment or Disposal [Abstract]

DIVESTITURES

Oil and Natural Gas

We sold non-core oil and natural gas assets, net of related expenses, for $43.6 million during the first six months of 2016, compared to less than $0.1 million during the first six months of 2015. Proceeds from those sales reduced the net book value of our full cost pool with no gain or loss recognized.

Contract Drilling

During the second quarter of 2015, we recorded a write-down of approximately $8.3 million pre-tax on drilling equipment that was being held for sale.