Rendering

Component: (Network and Table)
Network
100560 - Disclosure - Changes to Asset Retirement Obligations (Detail)
(http://www.patenergy.com/20161231/taxonomy/role/DisclosureChangesToAssetRetirementObligationsDetail)
Table(Implied)
Slicers (applies to each fact value in each table cell)
Reporting Entity [Axis]0000889900 (http://www.sec.gov/CIK)
Asset Retirement Obligation Disclosure [Abstract]Period [Axis]
2016-01-01 - 2016-12-31
2015-01-01 - 2015-12-31
Asset Retirement Obligation Disclosure [Abstract]
 
 
Balance at beginning of year
5,692,000  
5,301,000  
Liabilities incurred
164,000  
340,000  
Liabilities settled
(124,000) 
(120,000) 
Accretion expense
166,000  
171,000  
Revision in estimated costs of plugging oil and natural gas wells
42,000  
 
Asset retirement obligation at end of year
5,940,000  
 
5,692,000