Marathon (against proration) and Pioneer (for proration) Squared off at the Texas Railroad Commission. MRO thinks companies can cut.  PXD does not know how without being forced.   $PXD, $PE, $XOM, $OXY, $FANG, $EPD, $MRO, $CVX, $CXO, $EOG, $APA, $XEC, $RDS.A, $DVN, $NBL