Power of Attorney
(Limited to Execution of Forms 4 and 5)


I, F. H. Merelli, do hereby constitute and appoint Cheri L. Peper, Rajesh
Sharma, and Richard D. Black (with full power to each of them to act alone)
as
my true and lawful agents and attorneys-in-fact with full power and authority
to execute and deliver on my behalf in accordance with Securities and
Exchange
Commission rules and regulations all reports of changes in my beneficial
ownership of securities issued by Apache Corporation on Forms 4 and 5 as may
be deemed advisable.  I hereby ratify and confirm all that each such agent
and
attorney-in-fact may do by virtue hereof with respect to reports of my
beneficial ownership of securities issued by Apache Corporation.

This power of attorney shall remain in full force and effect until I am no
longer required to file Forms 4 and 5 with respect to changes in my
beneficial
ownership of securities issued by Apache Corporation, unless earlier revoked
by me in writing delivered to the attorneys-in-fact named above.

In witness whereof, I have duly executed this power of attorney effective as
of this 26th day of May 2010.

/s/ F. H. Merelli

State of Texas

County of Harris

On this 26th day of May 2010, before me personally came F. H. Merelli,
to
me
known, and acknowledged this instrument.  Witness my hand and official seal.


/s/ Melinda Jenkins

[Seal for Melinda Jenkins]
[Notary Public, State of Texas]
[My Commission Expires 07-25-2012]