EnSignals Texas drilling permit data you can check against the source
Draft preview. We're still finalizing how we count (details). The data itself is real, from the RRC's public records, but some numbers could shift a little once the counting rules are locked in.

Who's moving: 2007Q4 vs 2007Q3

The operators whose permit counts moved the most between 2007Q3 and 2007Q4, statewide. Click a name to see the full comparison in that operator's busiest counties.

← 2007Q3 · 2007Q4 · 2008Q1 →

Top gainers

OperatorP-5 2007Q32007Q4 ΔΔ% Busiest counties (2007Q4)
OK ARENA OPERATING COMPANY Delinquent 19 57 +38 +200.0% ANDREWS · FISHER
LEGEND NATURAL GAS III, LP Inactive 0 29 +29 n/a (from zero) WEBB · JEFFERSON
HIGHMOUNT EXPL & PROD TEXAS LLC Inactive 5 31 +26 +520.0% SUTTON · SCHLEICHER · EDWARDS
MARINER ENERGY, INC. Delinquent 28 50 +22 +78.6% REAGAN · UPTON · GLASSCOCK
CABOT OIL & GAS CORPORATION Inactive 18 38 +20 +111.1% RUSK · SHELBY · NACOGDOCHES
HOLMES EXPLORATION, LLC Inactive 1 21 +20 +2000.0% LIPSCOMB · OCHILTREE
MAVERICK ENERGY GROUP, INC. Delinquent 21 39 +18 +85.7% FRIO
OCCIDENTAL PERMIAN LTD. Active 31 48 +17 +54.8% YOAKUM · HALE · HOCKLEY
LEWIS PETRO PROPERTIES, INC. Active 21 37 +16 +76.2% WEBB · LA SALLE
ENERVEST OPERATING, L.L.C. Active 18 33 +15 +83.3% RUSK · HARRISON · BRAZOS
EXCO RESOURCES, INC. Active 1 16 +15 +1500.0% IRION · DICKENS · KENT
PREMIER NATURAL RESOURCES, LLC Inactive 1 16 +15 +1500.0% JACKSON
BRAHMAN OPERATING, L.L.C. Active-Ext 0 13 +13 n/a (from zero) ARCHER
CARRIZO OIL & GAS, INC. Inactive 22 34 +12 +54.5% ANDERSON · TARRANT · PARKER
CORONADO ENERGY E&P COMPANY, LLC Inactive 0 12 +12 n/a (from zero) ZAPATA · ROBERTSON · BROOKS
L.C.S. PRODUCTION COMPANY Active-Ext 23 34 +11 +47.8% JONES · FISHER · NOLAN
PIONEER EXPLORATION, LTD. Inactive 0 11 +11 n/a (from zero) COKE · COLEMAN · RUNNELS
T - C OIL COMPANY Inactive 7 18 +11 +157.1% REFUGIO · VICTORIA · GOLIAD
A.C.T. OPERATING COMPANY Active 2 12 +10 +500.0% AUSTIN
DTE GAS RESOURCES, LLC Delinquent 3 13 +10 +333.3% JACK · PARKER · DENTON
BEPCO, L.P. Inactive 1 10 +9 +900.0% HOCKLEY
BROAD OAK ENERGY, INC. Inactive 0 9 +9 n/a (from zero) REAGAN · LAVACA · MCMULLEN
ENDURING RESOURCES, LLC Active 15 24 +9 +60.0% RUSK · KARNES · PANOLA
PRIME OPERATING COMPANY Active 4 13 +9 +225.0% REAGAN · DIMMIT · GAINES
REX ENERGY OPERATING CORP. Delinquent 2 11 +9 +450.0% MIDLAND · TOM GREEN · CONCHO

Top decliners

OperatorP-5 2007Q32007Q4 ΔΔ% Busiest counties (2007Q4)
WHITING OIL AND GAS CORPORATION Active 168 31 -137 -81.5% WINKLER · WARD · PECOS
XTO ENERGY INC. Active-Ext 301 175 -126 -41.9% FREESTONE · LIMESTONE · TARRANT
CHEVRON U. S. A. INC. Active 92 22 -70 -76.1% CRANE · PANOLA · TERRY
CHESAPEAKE OPERATING, INC. Delinquent 370 303 -67 -18.1% TARRANT · JOHNSON · NACOGDOCHES
DOMINION OKLAHOMA TEXAS E&P, INC Inactive 129 69 -60 -46.5% SUTTON · SCHLEICHER · CROCKETT
EOG RESOURCES, INC. Active 216 164 -52 -24.1% JOHNSON · MONTAGUE · HOOD
DEVON ENERGY PRODUCTION CO, L.P. Active 255 204 -51 -20.0% DENTON · JOHNSON · WISE
HESS CORPORATION Delinquent 40 7 -33 -82.5% GAINES
ANADARKO E&P COMPANY LP Inactive 66 37 -29 -43.9% CROCKETT · PANOLA · RUSK
ENDEAVOR ENERGY RESOURCES L.P. Active 60 31 -29 -48.3% MARTIN · MIDLAND · GLASSCOCK
SANDRIDGE ENERGY, INC. Inactive 82 57 -25 -30.5% PECOS
QUICKSILVER RESOURCES INC. Delinquent 86 64 -22 -25.6% HOOD · TARRANT · HILL
CONOCOPHILLIPS COMPANY Active 48 27 -21 -43.8% WEBB · ZAPATA · PANOLA
KINDER MORGAN PRODUCTION CO LP Inactive 20 0 -20 -100.0%
WORSHAM-STEED GAS STORAGE, L.P. Inactive 22 2 -20 -90.9% JACK
EL PASO E & P COMPANY, L. P. Inactive 27 9 -18 -66.7% HIDALGO · LAVACA · RUSK
EDGE PETROLEUM OPER. CO., INC. Inactive 17 2 -15 -88.2% NUECES · STARR
ENCORE OPERATING, L.P. Delinquent 26 11 -15 -57.7% TERRELL · CROCKETT · RUSK
OXY USA WTP LP Active 18 3 -15 -83.3% YOAKUM · MIDLAND
PETROHAWK OPERATING COMPANY Inactive 16 3 -13 -81.2% GOLIAD · HIDALGO · SHELBY
KCS RESOURCES, INC. Inactive 13 1 -12 -92.3% SHELBY
MESTENA OPERATING, LTD. Delinquent 13 1 -12 -92.3% JIM HOGG
EXL PETROLEUM, LP Inactive 18 7 -11 -61.1% MIDLAND · UPTON · ANDREWS
MEDDERS OIL COMPANY, INC. Active 11 0 -11 -100.0%
FIDELITY EXPLOR. & PROD. CO. Inactive 12 2 -10 -83.3% HIDALGO

Counts are original permits by approval date, credited to whoever holds the permit now. Watch the percentage column when the starting number is small: +200% might just mean two permits.