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Commitments and Contingencies (Tables)
 6 Months Ended
Jun. 30, 2013
Commitments and Contingencies.  
Schedule of contractual obligations for drilling contracts, long-term operating leases and seismic contracts

At June 30, 2013, contractual obligations for drilling contracts, long-term operating leases and seismic contracts are as follows (in thousands):

 

 

 

Total

 

2013

 

2014

 

2015

 

2016 and
beyond

 

 

 

 

 

 

 

 

 

 

 

 

 

Drilling contracts

 

$

21,361

 

19,520

 

1,841

 

—

 

—

 

Non-cancellable office lease commitments

 

$

8,500

 

709

 

1,438

 

1,460

 

4,893

 

Seismic contracts

 

$

5,770

 

5,770

 

—

 

—

 

—

 

 

 

 

 

 

 

 

 

 

 

 

 

Net minimum commitments

 

$

35,631

 

$

25,999

 

$

3,279

 

$

1,460

 

$

4,893