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Segment Information and Major Customers (Tables)
12 Months Ended
Dec. 31, 2020
Segment Reporting [Abstract]  
Segment Information by Major Customers
The Company sells its oil and natural gas and liquids production to a number of direct purchasers under direct contracts or through other operators under joint operating agreements. Listed below are the purchasers of the Company’s production which represented more than 10% of the Company’s sales in the year 20
20
.
 
Oil:
     
Apache Corporation
   47
Plains All American Inc.
   19
Natural gas and liquids:
     
Apache Corporation
   42
Targa Pipeline
Mid-Continent
West Tex, LLC
   12