the last post was for 1 year correlation, here's for 3 month correlation (to USO):
PEO
Petroleum Resourc 82.55 %
APA
Apache Corporatio 80.28 %
HP
Helmerich & Payne 80.05 %
FTI
FMC Technologies, 78.7 %
NBL
Noble Energy Inc. 78.61 %
OXY
Occidental Petrol 78.52 %
DNR
Denbury Resources 78.38 %
CVX
Chevron Corporati 78.21 %
SLB
Schlumberger N.V. 77.85 %
OII
Oceaneering Inter 77.75 %
NOV
National Oilwell 77.06 %
SU
Suncor Energy In 77.02 %
HAL
Halliburton Compa 76.19 %
IMO
Imperial Oil Limi 76.16 %
CNQ
Canadian Natural 75.92 %
HES
Hess Corporation 75.75 %
SPN
Superior Energy S 75.42 %
DVN
Devon Energy Corp 75.32 %
FCX
Freeport-McMoRan 74.94 %
UNT
Unit Corporation 74.42 %
EOG
EOG Resources, In 74.32 %
CLR
Continental Resou 74.17 %
XOM
Exxon Mobil Corpo 73.99 %
ERF
Enerplus Corporat 73.96 %
ECA
Encana Corporatio 73.74 %