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: 1991Q4 vs 1991Q3

The operators whose permit counts moved the most between 1991Q3 and 1991Q4, statewide. Click a name to see the full comparison in that operator's busiest counties.

← 1991Q3 · 1991Q4 · 1992Q1 →

Top gainers

OperatorP-5 1991Q31991Q4 ΔΔ% Busiest counties (1991Q4)
PARKER & PARSLEY DEVELOPMENT CO. Inactive 10 48 +38 +380.0% MIDLAND · MARTIN · REAGAN
TEXACO E & P INC. Delinquent 20 57 +37 +185.0% MIDLAND · DAWSON · PANOLA
CHEVRON U. S. A. INC. Active 14 50 +36 +257.1% UPTON · WARD · CRANE
UNION PACIFIC RESOURCES COMPANY Inactive 64 99 +35 +54.7% FAYETTE · BRAZOS · BURLESON
ORYX ENERGY COMPANY Inactive 21 49 +28 +133.3% STARR · DIMMIT · FRIO
AMOCO PRODUCTION COMPANY Inactive 50 76 +26 +52.0% YOAKUM · HARRISON · HOCKLEY
MOBIL PRODUCING TX. & N.M. INC. Active 44 70 +26 +59.1% MIDLAND · WEBB · UPTON
WAGNER & BROWN Inactive 6 26 +20 +333.3% STERLING · GLASSCOCK · ARANSAS
UNION OIL COMPANY OF CALIFORNIA Inactive 12 30 +18 +150.0% ANDREWS · ECTOR · GAINES
AMERICAN COMETRA, INC. Inactive 13 30 +17 +130.8% LA SALLE · MCMULLEN · STERLING
HARRISON INTERESTS, LTD. Delinquent 3 18 +15 +500.0% CROCKETT · ANDREWS
CODA ENERGY, INC. Inactive 7 20 +13 +185.7% WICHITA · WILBARGER
PHILLIPS PETROLEUM COMPANY Inactive 28 41 +13 +46.4% ECTOR · HUTCHINSON · SHERMAN
ANADARKO PETROLEUM CORPORATION Delinquent 1 13 +12 +1200.0% HOCKLEY · JACKSON · MOORE
ENRON OIL & GAS COMPANY Inactive 27 39 +12 +44.4% WEBB · SUTTON · ZAPATA
OXY USA INC. Active 6 18 +12 +200.0% DAWSON · MIDLAND · ECTOR
EXXON CORP. - MIDLAND Inactive 0 10 +10 n/a (from zero) GAINES · ANDREWS · YOAKUM
QUINTANA PET. CORP. Inactive 18 28 +10 +55.6% REFUGIO · LA SALLE · MCMULLEN
WESTHALL ASSOCIATES, INC. Inactive 1 11 +10 +1000.0% VICTORIA · JACKSON · GOLIAD
TANA OIL AND GAS CORPORATION Inactive 2 11 +9 +450.0% FAYETTE · GONZALES · LIVE OAK
COX, JOHN L. Inactive 5 13 +8 +160.0% UPTON · GLASSCOCK · IRION
MERIT ENERGY COMPANY Active 2 10 +8 +400.0% STARR · BRAZOS · CAMP
SAMEDAN OIL CORPORATION Inactive 2 10 +8 +400.0% GAINES · CROCKETT · FREESTONE
BRIDGE OIL COMPANY, L. P. Inactive 4 11 +7 +175.0% DAWSON · MCMULLEN · WEBB
HUBER, J. M., CORPORATION Active 2 9 +7 +350.0% HUTCHINSON · MOORE · GARZA

Top decliners

OperatorP-5 1991Q31991Q4 ΔΔ% Busiest counties (1991Q4)
EXXON CORP. See-Remarks 124 74 -50 -40.3% KLEBERG · GAINES · BROOKS
MERIDIAN OIL INC. Inactive 30 4 -26 -86.7% CROCKETT · EDWARDS · YOAKUM
SHELL WESTERN E&P INC. Inactive 43 20 -23 -53.5% GAINES · HIDALGO · BROOKS
FASKEN, BARBARA Inactive 20 2 -18 -90.0% GAINES
MARATHON OIL COMPANY Delinquent 31 15 -16 -51.6% FAYETTE · CROCKETT · HOWARD
AMAX OIL & GAS INC. Inactive 22 9 -13 -59.1% CROCKETT
WHEELER PROPERTIES Inactive 15 2 -13 -86.7% HOCKLEY
TEX/CON OIL & GAS COMPANY Inactive 18 6 -12 -66.7% HIDALGO · RUNNELS · STONEWALL
ARKLA EXPLORATION CO. Inactive 21 10 -11 -52.4% PANOLA · HARRISON · MARION
A A PRODUCTION INC. Inactive 10 1 -9 -90.0% BRAZOS-LB
STANLEY, GARY O. Inactive 9 0 -9 -100.0%
TEXLAND-RECTOR & SCHUMACHER Inactive 10 1 -9 -90.0% GARZA
HOUSTON OIL & MINERALS CORP. Inactive 8 0 -8 -100.0%
CRUTCHER, DAVID F. INC. Inactive 9 2 -7 -77.8% THROCKMORTON · WILBARGER
CUATRO OIL AND GAS CORPORATION Inactive 9 2 -7 -77.8% HARDIN
NEW HORIZON EXPLORATION, INC. Inactive 8 1 -7 -87.5% HOWARD
SRG OIL CORPORATION Inactive 10 3 -7 -70.0% CONCHO · JONES
ARCO OIL & GAS CO. Inactive 17 11 -6 -35.3% HIDALGO · JASPER · ANDREWS
BRADLEY, JOHN W. INC. Inactive 6 0 -6 -100.0%
BRIDWELL OIL CO. Active 10 4 -6 -60.0% HASKELL · CLAY · WICHITA
KERR-MCGEE CORPORATION Inactive 13 7 -6 -46.2% SMITH · ANDREWS · GONZALES
LOWER COLORADO RIVER AUTHORITY Active 6 0 -6 -100.0%
P.S.N. PETROLEUM, INC. Delinquent 8 2 -6 -75.0% GUADALUPE · WILSON
SHELL PIPE LINE CORPORATION Inactive 8 2 -6 -75.0% ARCHER · BAYLOR
SULLIVAN, HOLLIS R. INC. Inactive 13 7 -6 -46.2% CONCHO · DICKENS

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.