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: 1987Q4 vs 1987Q3

The operators whose permit counts moved the most between 1987Q3 and 1987Q4, statewide. Click a name to see the full comparison in that operator's busiest counties.

← 1987Q3 · 1987Q4 · 1988Q1 →

Top gainers

OperatorP-5 1987Q31987Q4 ΔΔ% Busiest counties (1987Q4)
PARKER & PARSLEY PETROLEUM CO. Inactive 71 97 +26 +36.6% MIDLAND · MARTIN · LOVING
CITIES SERVICE OIL & GAS CORP. Inactive 14 34 +20 +142.9% ECTOR · DAWSON · COLORADO
HRUBETZ OPERATING COMPANY Inactive 4 19 +15 +375.0% MITCHELL
STANDARD OIL PRODUCTION COMPANY Inactive 6 19 +13 +216.7% STONEWALL · GLASSCOCK · KING
SUNSET ENERGY OF TEXAS, INC. Inactive 5 17 +12 +240.0% WARD · JACK
WESTRIDGE OIL & GAS PROPERTIES Inactive 0 10 +10 n/a (from zero) HOOD
EP OPERATING COMPANY Inactive 8 17 +9 +112.5% WISE · HARDEMAN · COLORADO
TANA OIL & GAS CORPORATION Inactive 4 13 +9 +225.0% MCMULLEN · WEBB · DUVAL
WINCHESTER PRODUCTION COMPANY Inactive 3 12 +9 +300.0% HARRISON
KINLAW OIL CORPORATION Delinquent 4 12 +8 +200.0% COLEMAN · JONES · RUNNELS
MITCHELL ENERGY CORPORATION Inactive 19 27 +8 +42.1% WISE · LEON · BORDEN
QUESTA OIL & GAS CO. Inactive 0 8 +8 n/a (from zero) SCHLEICHER · IRION
PLAINS RESOURCES INC. Inactive 4 11 +7 +175.0% CHAMBERS · NUECES · SAN JACINTO
ROYAL OIL & GAS CORP. Inactive 3 10 +7 +233.3% MCMULLEN · BORDEN · GOLIAD
THREE-B OIL COMPANY, THE Inactive 0 7 +7 n/a (from zero) WARD
TRI-C RESOURCES, INC. Inactive 6 13 +7 +116.7% JACKSON · SAN PATRICIO · COLORADO
TXO PRODUCTION CORP. Inactive 28 35 +7 +25.0% KENEDY · REFUGIO · WHARTON
CLEAR FORK, INCORPORATED Active 3 9 +6 +200.0% STONEWALL · DICKENS · KING
COMMONWEALTH PRODUCTION COMPANY Inactive 0 6 +6 n/a (from zero) WICHITA
GUIDANCE OIL DEVELOPERS Active 0 6 +6 n/a (from zero) ARCHER · JONES
QUEST RESEARCH & DEV. CORP. Inactive 0 6 +6 n/a (from zero) WILSON
TRICORE OIL & GAS CORPORATION Inactive 6 12 +6 +100.0% WICHITA
UNIT DRILLING & EXPL. CO. Inactive 1 7 +6 +600.0% LIPSCOMB · HEMPHILL
ABRAXAS PETROLEUM CORPORATION Active 0 5 +5 n/a (from zero) HARDIN · MCMULLEN · NUECES
B & N PETROLEUM, INC. Inactive 0 5 +5 n/a (from zero) RUSK · HARRISON

Top decliners

OperatorP-5 1987Q31987Q4 ΔΔ% Busiest counties (1987Q4)
AMOCO PRODUCTION COMPANY Inactive 236 163 -73 -30.9% ECTOR · GAINES · BRAZORIA
MOBIL PRODUCING TX. & N.M. INC. Active 130 89 -41 -31.5% JACKSON · STEPHENS · HIDALGO
CHEVRON U. S. A. INC. Active 51 21 -30 -58.8% CRANE · MITCHELL · WARD
QUINTANA PET. CORP. Inactive 32 7 -25 -78.1% REFUGIO
SUN EXPL. & PROD. CO.-CORPUS Inactive 53 29 -24 -45.3% STARR · JIM WELLS · VICTORIA
ENRON OIL & GAS COMPANY Inactive 45 23 -22 -48.9% WEBB · SUTTON · ZAPATA
TEXACO INC. Inactive 62 40 -22 -35.5% WHARTON · LOVING · BRAZORIA
MARATHON OIL COMPANY Delinquent 46 27 -19 -41.3% PECOS · MATAGORDA · SAN PATRICIO
SHELL WESTERN E&P INC. Inactive 106 89 -17 -16.0% YOAKUM · ECTOR · GAINES
EXXON CORP. See-Remarks 169 153 -16 -9.5% ANDREWS · UPTON · KLEBERG
TEXACO PRODUCING INC. Inactive 48 35 -13 -27.1% MARTIN · ANDREWS · WICHITA
ATAPCO Inactive 22 11 -11 -50.0% WICHITA
ROGERS, S. K. OIL, INC. Active 12 2 -10 -83.3% HOCKLEY
AMOCO PRODUCTION CO.-ANDREWS Inactive 9 0 -9 -100.0%
AMOCO PRODUCTION CO.-LEVELLAND Inactive 8 0 -8 -100.0%
CAMPBELL, T. K. Inactive 9 1 -8 -88.9% COOKE
GREENWICH OIL CORPORATION Inactive 8 0 -8 -100.0%
GROVER OIL COMPANY Inactive 9 1 -8 -88.9% SUTTON
LANDRUM WEST, INC. Inactive 13 5 -8 -61.5% WICHITA
NAVARRO EXPLORATION CO., INC. Active-Ext 11 3 -8 -72.7% MILAM
PENGO INDUSTRIES INC. Inactive 8 0 -8 -100.0%
TEXLAND-RECTOR & SCHUMACHER Inactive 15 7 -8 -53.3% TERRY · DICKENS
UNION OIL COMPANY OF CALIFORNIA Inactive 27 19 -8 -29.6% ANDREWS · BORDEN · CROCKETT
BHP PETROLEUM (AMERICAS) INC. Inactive 9 2 -7 -77.8% REAGAN · UPTON
FRANKLIN, J.W. OIL OPERATOR Inactive 8 1 -7 -87.5% SUTTON

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.