UNITED STATES
SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549
Notice of Effectiveness
Effectiveness Date:
August 1, 2006
Form:
S-3
CIK:
0000319654
Company Name:
PERMIAN BASIN ROYALTY TRUST
File Number:
333-135160
CIK:
0001163165
Company Name:
CONOCOPHILLIPS
File Number:
333-135160-01