Rendering

Component: (Network and Table)
Network
2310301 - Disclosure - Asset Retirement Obligation (Tables)
(http://grantierra.com/role/AssetRetirementObligationTables)
Table(Implied)
Slicers (applies to each fact value in each table cell)
Reporting Entity [Axis]0001273441 (http://www.sec.gov/CIK)
Asset Retirement Obligation Disclosure [Abstract]Period [Axis]
2016-01-01 - 2016-12-31
Asset Retirement Obligation Disclosure [Abstract]
 
Schedule of Changes in Carrying Amount of Asset Retirement Obligation
Changes in the carrying amounts of the asset retirement obligation associated with the Company’s oil and natural gas properties were as follows:
 
Year Ended December 31,
(Thousands of U.S. Dollars)
2016
 
2015
Balance, beginning of year
$
33,224

 
$
35,812

Settlements
(872
)
 
(6,317
)
Liabilities associated with assets sold
(3,257
)
 
—

Liability incurred
2,606

 
1,556

Liabilities assumed in acquisitions (Note 3)
15,723

 
—

Accretion
2,789

 
1,313

Revisions in estimated liability
(6,856
)
 
860

Balance, end of year
$
43,357

 
$
33,224

 
 
 
 
Asset retirement obligation - current
$
5,215

 
$
2,146

Asset retirement obligation - long-term
38,142

 
31,078

Balance, end of year
$
43,357

 
$
33,224