SULPHUR DRAW (DEAN 8790), District 08, Texas

A field is the Railroad Commission's unit of geology and of regulation. Its spacing rule is what decides how many wells an acreage can hold.

Leases
78
with a page here
Operators
32
Value, all time
$145.8 M
64% of the register's 122
Discovered
1966-05-18
Oil

Our estimate: volumes the operator filed with the Commission, valued at the EIA first-purchase price for that month. It is not a payment anyone received, and it is not a royalty. It sums the 78 leases in this field that have a page here — 64% of the register's 122 — so it understates the field.

Production, 2025

The Railroad Commission's Oil and Gas Annual Report for 2025, its most recent. These are the state's figures for the whole field, not ours.

WellsIn the fieldProducingProduced in 2025Also producedCumulative
Oil281215,981 bbl2,508 mcfcasinghead15,198,390 bblsince discovery

The discovery well's oil measured 36.0° API gravity, perforated at 9,442 ft.

Hydrogen sulphide

Spacing rule

What the Commission requires of a well on this field.

WellsRuleEffectiveFrom the lease lineBetween wellsAcres per unitMax diagonal
OilB660 ft933 ft1604,500 ft
OilO660 ft933 ft803,250 ft

Commission remarks: OPTIONAL 80 ACRE, DIAG. 3250

County

Leases in this field

Every lease here files this field's number with the Commission and has a page on this site.

LeaseOperatorValue
SLAUGHTER, ELMA L., -G-OVINTIV USA INC.$16.9 M
HARRISROFF OPERATING COMPANY, LLC$6.2 M
SLAUGHTER "D"ROFF OPERATING COMPANY, LLC$5.3 M
SLAUGHTER -H-MULE KICK OPERATING LLC$5.0 M
AMOCO-DEATHERAGEOVINTIV USA INC.$4.9 M
SLAUGHTER, ELMA L.OVINTIV USA INC.$4.9 M
PITMANHIBERNIA RESOURCES IV, LLC$4.4 M
SLAUGHTER -C-OVINTIV USA INC.$4.3 M
SLAUGHTER "84"DIAMONDBACK E&P LLC$3.9 M
SLAUGHTER-TRICELARIO OIL & GAS COMPANY$3.9 M
SLAUGHTER "E"ROFF OPERATING COMPANY, LLC$3.7 M
SLAUGHTER, ELMA L., -B-OVINTIV USA INC.$3.7 M
SLAUGHTER -B-OVINTIV USA INC.$3.6 M
MEEK 27DIAMONDBACK E&P LLC$3.6 M
SLAUGHTER "B-3"AVID ENERGY ASSETS LLC$3.2 M
SLAUGHTER, ELMA L. -C-PIONEER NATURAL RES. USA, INC.$2.9 M
SLAUGHTER -A-DIAMONDBACK E&P LLC$2.9 M
SLAUGHTER, ELMA L., -E-OVINTIV USA INC.$2.8 M
JUMPERAVID ENERGY ASSETS LLC$2.7 M
SLAUGHTER "C-2"DIAMONDBACK E&P LLC$2.6 M
DEATHERAGEOVINTIV USA INC.$2.6 M
SLAUGHTER "79"ENDEAVOR ENERGY RESOURCES L.P.$2.5 M
CLEMENTROFF OPERATING COMPANY, LLC$2.5 M
SLAUGHTER-HARRISOTB OPERATING, LLC$2.4 M
HOLLADAY, WAYLANDBLACK SWAN OPERATING, LLC$2.3 M
KINGENDEAVOR ENERGY RESOURCES L.P.$2.2 M
DEATHERAGE -B-ENDEAVOR ENERGY RESOURCES L.P.$2.2 M
JOHNSONROFF OPERATING COMPANY, LLC$2.1 M
STEPHENS -C-OVINTIV USA INC.$2.1 M
SLAUGHTER, ELMA L., -J-PIONEER NATURAL RES. USA, INC.$2.0 M
SLAUGHTER, ELMAROFF OPERATING COMPANY, LLC$1.9 M
SLAUGHTER-HANCOCKOTB OPERATING, LLC$1.8 M
SLAUGHTER, ELMA L., -D-OVINTIV USA INC.$1.7 M
SLAUGHTER "B-2"ENDEAVOR ENERGY RESOURCES L.P.$1.7 M
SLAUGHTER, ELMA L., -H-PIONEER NATURAL RES. USA, INC.$1.6 M
BAUERROFF OPERATING COMPANY, LLC$1.6 M
SLAUGHTER -E-MULE KICK OPERATING LLC$1.5 M
CAVE,FREDENDEAVOR ENERGY RESOURCES L.P.$1.5 M
SLAUGHTER "C"ROFF OPERATING COMPANY, LLC$1.5 M
BLOCK -X-DIAMONDBACK E&P LLC$1.4 M
RICHARDS -47-ENDEAVOR ENERGY RESOURCES L.P.$1.4 M
NANCEJM COX RESOURCES, L.P.$1.4 M
PHELAN, J.D.SWANSON OPERATING, INC.$1.4 M
HOLCOMB, E. B. OPERATING AREAHEP OIL GP, LLC$1.3 M
SLAUGHTER -G-MULE KICK OPERATING LLC$1.3 M
FLEMING, DEAN R.OVINTIV USA INC.$1.2 M
RICHARDS -45-ENDEAVOR ENERGY RESOURCES L.P.$1.2 M
COXXTO ENERGY INC.$838 k
SLAUGHTER, E. L. TRUST ET ALROFF OPERATING COMPANY, LLC$837 k
SNELL -B-ROFF OPERATING COMPANY, LLC$735 k
LOISROFF OPERATING COMPANY, LLC$694 k
SNELL -A-ENDEAVOR ENERGY RESOURCES L.P.$564 k
CORONETENDEAVOR ENERGY RESOURCES L.P.$432 k
HANSONHENRY PETROLEUM LP$359 k
SLAUGHTER "D-2"HEC PETROLEUM, INC.$229 k
WOODWARD -1-STEPHENS, AUTRY C.$181 k
LESTERHALLWOOD PETROLEUM, INC.$180 k
GREEN, RUFUS J.ABRAXAS PETROLEUM CORPORATION$176 k
ANELLAHALLWOOD PETROLEUM, INC.$174 k
SLAUGHTER "B"ROFF OPERATING COMPANY, LLC$158 k
PITMAN -A-SMITH PIPE OF ABILENE$100 k
WOODWARD -1- ASTEPHENS, AUTRY C.$82 k
ELMAHALLWOOD PETROLEUM, INC.$74 k
RICHARDS -44-WHITFIELD ENERGY$62 k
BURCHELLESPERANZA ENERGY CORP.$58 k
KOGERWHITING OIL AND GAS CORPORATION$41 k
SLAUGHTER -F-HALLWOOD ENERGY CORPORATION$41 k
SLAUGHTER -K-SMITH BROTHERS OIL & GAS, INC.$39 k
NANCYHALLWOOD ENERGY CORPORATION$36 k
SLAUGHTER -J-SMITH BROTHERS OIL & GAS, INC.$32 k
STRIPLINGESPERANZA ENERGY CORP.$27 k
JONES -B-MITCHELL, JAMES - OPERATOR$20 k
SLAUGHTER -B-PERMIAN WEST PIPE, INC.$2 k
SNELLMERIDIAN OIL INC.$2 k
BAUER -A-MERIDIAN OIL INC.$2 k
KING -A-BURLINGTON RESOURCES O & G CO LP$1 k
HARRIS -B-BC OPERATING, INC.$1 k
RICHARDS -A-BROWN, TOM INC.$756

Field number 87073333, from the Railroad Commission's field register. The register's own index resolves 122 leases and 183 wells to this field by name, over every lease in Texas rather than only those with a page here. It resolves a lease by NAME and refuses an ambiguous one, so it counts nothing for a field that shares its name with another — which is why the lease count above comes from the field number instead.