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10-K - FORM 10-K - APACHE OFFSHORE INVESTMENT PARTNERSHIPh79924e10vk.htm
EX-99.1 - EX-99.1 - APACHE OFFSHORE INVESTMENT PARTNERSHIPh79924exv99w1.htm
EX-23.1 - EX-23.1 - APACHE OFFSHORE INVESTMENT PARTNERSHIPh79924exv23w1.htm
EX-31.1 - EX-31.1 - APACHE OFFSHORE INVESTMENT PARTNERSHIPh79924exv31w1.htm
EX-31.2 - EX-31.2 - APACHE OFFSHORE INVESTMENT PARTNERSHIPh79924exv31w2.htm
Exhibit 32.1
APACHE OFFSHORE INVESTMENT PARTNERSHIP
Certification of Chief Executive Officer
and Principal Financial Officer
     I, G. Steven Farris, certify pursuant to 18 U.S.C. Section 1350, as adopted pursuant to Section 906 of the Sarbanes-Oxley Act of 2002, that, to my knowledge, the annual report on Form 10-K of Apache Offshore Investment Partnership for the period ended December 31, 2010, fully complies with the requirements of Section 13(a) or 15(d) of the Securities Exchange Act of 1934 (15 U.S.C. §78m or §78o (d)) and that information contained in such report fairly represents, in all material respects, the financial condition and results of operations of Apache Offshore Investment Partnership.
         
     
  /s/ G. Steven Farris    
  By:   G. Steven Farris    
  Title:   Chairman of the Board and
Chief Executive Officer (principal executive officer)
of Apache Corporation, Managing Partner 
 
Date: February 28, 2011
 
     I, Thomas P. Chambers, certify pursuant to 18 U.S.C. Section 1350, as adopted pursuant to Section 906 of the Sarbanes-Oxley Act of 2002, that, to my knowledge, the annual report on Form 10-K of Apache Offshore Investment Partnership for the period ended December 31, 2010, fully complies with the requirements of Section 13(a) or 15(d) of the Securities Exchange Act of 1934 (15 U.S.C. §78m or §78o (d)) and that information contained in such report fairly represents, in all material respects, the financial condition and results of operations of Apache Offshore Investment Partnership.
         
     
  /s/ Thomas P. Chambers    
  By:  Thomas P. Chambers    
  Title:   Executive Vice President and Chief Financial Officer
(principal financial officer)
of Apache Corporation, Managing Partner
 
Date: February 28, 2011