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. Delinquent 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.