Apache Corp
 $76,325 Helix Energy Solutions Group Inc
 $1,126,725 Nextier Oilfield Solutions
 $1,769,812 Patterson-UTI Energy
 $1,560,884 Apache Corp
 $76,325 Helix Energy Solutions Group Inc
 $1,126,725 Nextier Oilfield Solutions
 $1,769,812 Patterson-UTI Energy
 $1,560,884