Acquisitions (Details) (USD $)
In Millions, unless otherwise specified |
12 Months Ended | 0 Months Ended | 1 Months Ended | ||
---|---|---|---|---|---|
Dec. 31, 2011
|
Dec. 31, 2011
Utica Shale [Member]
A
|
Jun. 15, 2010
Niobrara Formation Of Colorado [Member]
|
May 31, 2010
Permian Basin [Member]
|
May 31, 2010
Permian And Niobrara [Member]
|
|
Affiliates participation ratio | 50/50 | ||||
Gas and Oil Acreage, Undeveloped, Gross | 98,000 | 4,979 | |||
Gas and Oil Acreage, Undeveloped, Net | 49,000 | 2,489 | |||
Equity offered for the payment of acquisition, shares | 6.2 | 1.7 | |||
Equity offered for the payment of acquisition, values | $ 179.0 | $ 21.6 | |||
Commitments to increase acreage position | 125,000 | ||||
Commitments to increase acreage position, net | 62,500 | ||||
Cash price of ownership interest | 118.1 | 7.6 | |||
Adjusted purchase price of acquired assets | $ 7.7 | ||||
Percentage of interest acquired | 50.00% |
X | ||||||||||
- Definition
Adjusted Purchase Price Of Acquired Assets No definition available.
|
X | ||||||||||
- Definition
Affiliates participation in acquisition ratio No definition available.
|
X | ||||||||||
- Definition
Commitments to increase acreage position gross. No definition available.
|
X | ||||||||||
- Definition
Commitments to increase acreage position, net. No definition available.
|
X | ||||||||||
- Definition
Oil And Gas Property Percentage Acquired, Undeveloped No definition available.
|
X | ||||||||||
- Definition
Net proceeds raised through common share offering in the period of which a portion of proceeds were used to fund acquisition. No definition available.
|
X | ||||||||||
- Definition
Number of shares of equity interests issued or issuable to acquire entity. Reference 1: http://www.xbrl.org/2003/role/presentationRef
|
X | ||||||||||
- Definition
Undeveloped acreage is considered to be those lease acres on which wells have not been drilled or completed to a point that would permit the production of commercial quantities of oil and gas regardless of whether or not such acreage contains proved reserves. Gross acreage is an acre in which a working interest is owned. Reference 1: http://www.xbrl.org/2003/role/presentationRef
|
X | ||||||||||
- Definition
Undeveloped acreage is considered to be those lease acres on which wells have not been drilled or completed to a point that would permit the production of commercial quantities of oil and gas regardless of whether or not such acreage contains proved reserves. Net acres is the sum of the fractional interest owned based on working interests or other economic arrangements. Reference 1: http://www.xbrl.org/2003/role/presentationRef
|
X | ||||||||||
- Definition
The cash outflow to purchase long lived physical asset for use in the normal oil and gas operations and to purchase mineral interests in oil and gas properties not intended for resale. Reference 1: http://www.xbrl.org/2003/role/presentationRef
|