cm:Member: us-gaap:OilAndGasOperationAndMaintenanceMember
Oil and Gas, Operation and Maintenance [Member] |
us-gaap:OilAndGasOperationAndMaintenanceMember |
Process related to operation and maintenance of wells and related equipment and facility used for production of viscous liquid derived from petroleum and flammable gas occurring naturally underground. Includes, but is not limited to, depreciation and applicable operating cost to support equipment and facility. |
cm:Member |
[Member] (nonnum:domainItemType) |
For Period (duration) |
(no balance type) |
true |
us-gaap:OilAndGasOperationAndMaintenanceMember |