ZWEBB (10350), District 04, 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
110
with a page here
Operators
8
Value, all time
$1.14 bn
93% of the register's 118
Discovered
1988-05-03
Gas

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 110 leases in this field that have a page here — 93% of the register's 118 — 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
Gas7961873,075 mcf5,126 bblcondensate210,417,291 mcfsince 1970

Spacing rule

What the Commission requires of a well on this field.

WellsRuleEffectiveFrom the lease lineBetween wellsAcres per unitMax diagonal
GasB2003-06-10467 ft1,200 ft400 ft

Commission remarks: AND 5% PER WELL.

County

Leases in this field

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

LeaseOperatorValue
BMT/K&HMOUNTAIN V TEXAS, LLC$43.3 M
THOMASMA, RAY J.HILCORP ENERGY COMPANY$31.9 M
MCGRATHKILLAM OIL CO., LTD.$31.1 M
BMT/K&HMOUNTAIN V TEXAS, LLC$27.8 M
THOMASMA, RAY J.HILCORP ENERGY COMPANY$27.3 M
BMT/K&HMOUNTAIN V TEXAS, LLC$27.1 M
BMT/K & H "B"MOUNTAIN V TEXAS, LLC$27.0 M
BMT/K&HMOUNTAIN V TEXAS, LLC$26.7 M
BMT/K&HMOUNTAIN V TEXAS, LLC$25.7 M
MCGRATHMOUNTAIN V TEXAS, LLC$23.2 M
VAQUILLAS-BORREGOKILLAM OIL CO., LTD.$22.0 M
SLATOR RANCH "A"MOUNTAIN V TEXAS, LLC$21.7 M
BMT/K&HMOUNTAIN V TEXAS, LLC$21.4 M
BMT/K&HMOUNTAIN V TEXAS, LLC$21.4 M
BMT/K&H "B"MOUNTAIN V TEXAS, LLC$21.4 M
MC GRATHMOUNTAIN V TEXAS, LLC$20.7 M
SLATOR RANCH "A"MOUNTAIN V TEXAS, LLC$20.6 M
BMT/K&HMOUNTAIN V TEXAS, LLC$20.2 M
MCGRATHMOUNTAIN V TEXAS, LLC$19.5 M
VAQUILLAS-BORREGOKILLAM OIL CO., LTD.$19.3 M
VAQUILLAS-BORREGOKILLAM OIL CO., LTD.$19.1 M
BMT/K&HMOUNTAIN V TEXAS, LLC$17.7 M
VAQUILLAS-BORREGOKILLAM OIL CO., LTD.$17.2 M
SLATOR RANCH "A"MOUNTAIN V TEXAS, LLC$16.7 M
MCGRATHMOUNTAIN V TEXAS, LLC$16.3 M
DULANEY-BRUNIVARAS ENERGY OPERATING COMPANY,$16.2 M
BMT/K&HMOUNTAIN V TEXAS, LLC$16.2 M
BMT AVIATOREOG RESOURCES, INC.$16.1 M
BMT/K&HMOUNTAIN V TEXAS, LLC$16.0 M
BMT/K&HMOUNTAIN V TEXAS, LLC$15.4 M
BMT/K&HMOUNTAIN V TEXAS, LLC$14.5 M
BMT/K&HMOUNTAIN V TEXAS, LLC$14.3 M
THOMASMA, RAY J. "B"HILCORP ENERGY COMPANY$14.0 M
MCGRATHKILLAM OIL CO., LTD.$13.9 M
BMT/K&HMOUNTAIN V TEXAS, LLC$13.7 M
BMT/K&H "B"MOUNTAIN V TEXAS, LLC$13.5 M
BMT/K&HMOUNTAIN V TEXAS, LLC$13.3 M
BMT/K&HMOUNTAIN V TEXAS, LLC$12.8 M
BMT/K&HMOUNTAIN V TEXAS, LLC$12.3 M
THOMASMA, RAY J.HILCORP ENERGY COMPANY$11.9 M
CABEZONMOUNTAIN V TEXAS, LLC$11.8 M
BMT/K&HMOUNTAIN V TEXAS, LLC$11.5 M
BMT/K&HMOUNTAIN V TEXAS, LLC$11.4 M
VAQUILLAS BORREGOKILLAM OIL CO., LTD.$11.1 M
MCGRATHMOUNTAIN V TEXAS, LLC$10.7 M
RAY J THOMASMA "B"HILCORP ENERGY COMPANY$9.9 M
MCGRATH "A"MOUNTAIN V TEXAS, LLC$9.8 M
DULANEY-BRUNIVARAS ENERGY OPERATING COMPANY,$9.8 M
BMT/K&HMOUNTAIN V TEXAS, LLC$9.7 M
SLATOR RANCH BMOUNTAIN V TEXAS, LLC$9.6 M
BRUNI MINERAL TRUST 15KILLAM OIL CO., LTD.$9.5 M
SLATOR RANCH "B"MOUNTAIN V TEXAS, LLC$9.5 M
STATE TRACT 838MOUNTAIN V TEXAS, LLC$9.1 M
THOMASMA, RAY J.HILCORP ENERGY COMPANY$8.7 M
BMT/K&HMOUNTAIN V TEXAS, LLC$8.6 M
BMT/K&HMOUNTAIN V TEXAS, LLC$8.3 M
VAQUILLAS-BORREGOKILLAM OIL CO., LTD.$7.5 M
BMT/K&HMOUNTAIN V TEXAS, LLC$7.2 M
CABEZONMOUNTAIN V TEXAS, LLC$6.1 M
CABEZONMOUNTAIN V TEXAS, LLC$5.7 M
BMT/K&HMOUNTAIN V TEXAS, LLC$5.6 M
BMT/K&HMOUNTAIN V TEXAS, LLC$5.5 M
BMT/K&HMOUNTAIN V TEXAS, LLC$5.5 M
MCGRATHKILLAM OIL CO., LTD.$5.4 M
BMT/K&HMOUNTAIN V TEXAS, LLC$5.2 M
SLATOR RANCH CMOUNTAIN V TEXAS, LLC$5.2 M
VAQUILLAS-BORREGOKILLAM OIL CO., LTD.$5.1 M
SLATOR RANCH "A"MOUNTAIN V TEXAS, LLC$5.1 M
BRUNI MINERAL TRUST 15KILLAM OIL CO., LTD.$5.1 M
MCGRATH "B"MOUNTAIN V TEXAS, LLC$5.0 M
THOMASMA, RAY J.HILCORP ENERGY COMPANY$4.9 M
BMT/K&HMOUNTAIN V TEXAS, LLC$4.9 M
SLATOR RANCH "B"MOUNTAIN V TEXAS, LLC$4.8 M
CABEZONMOUNTAIN V TEXAS, LLC$4.8 M
BMT/K&HMOUNTAIN V TEXAS, LLC$4.7 M
VAQUILLAS BORREGOKILLAM OIL CO., LTD.$4.6 M
CABEZONMOUNTAIN V TEXAS, LLC$4.3 M
BMT/K&HMOUNTAIN V TEXAS, LLC$4.0 M
SLATOR RANCH "C"MOUNTAIN V TEXAS, LLC$3.9 M
SLATOR RANCH "A"MOUNTAIN V TEXAS, LLC$3.8 M
BMT/K&HMOUNTAIN V TEXAS, LLC$3.7 M
CABEZONMOUNTAIN V TEXAS, LLC$3.7 M
MCGRATHMOUNTAIN V TEXAS, LLC$3.4 M
THOMASMA, RAY J.HILCORP ENERGY COMPANY$3.3 M
BMT/K&H "F"EOG RESOURCES, INC.$3.1 M
BMT/K&H "W"EOG RESOURCES, INC.$3.0 M
BRUNI MINERAL TRUST 15KILLAM OIL CO., LTD.$2.9 M
THOMASMA, RAY J.HILCORP ENERGY COMPANY$2.9 M
BMT/K&HMOUNTAIN V TEXAS, LLC$2.7 M
BMT/K&HMOUNTAIN V TEXAS, LLC$2.6 M
CABEZONMOUNTAIN V TEXAS, LLC$2.5 M
TEXACO FEEEOG RESOURCES, INC.$2.4 M
VAQUILLAS-BORREGOKILLAM OIL CO., LTD.$2.4 M
DULANEY-BRUNIBLUESTONE NATURAL RES. II, LLC$2.4 M
CABEZONEOG RESOURCES, INC.$2.2 M
BMT/K&H "X"EOG RESOURCES, INC.$2.2 M
MCGRATHKILLAM OIL CO., LTD.$1.5 M
MCGRATHKILLAM OIL CO., LTD.$1.5 M
MCGRATH "A"MOUNTAIN V TEXAS, LLC$1.1 M
MCGRATHKILLAM OIL CO., LTD.$1.1 M
DULANEY-BRUNIVARAS ENERGY OPERATING COMPANY,$1.1 M
DULANEY-BRUNIEOG RESOURCES, INC.$920 k
BMT/K&HMOUNTAIN V TEXAS, LLC$577 k
BMT/K&H "E"EOG RESOURCES, INC.$494 k
THOMASMA, RAY J. "D"DEVON ENERGY PRODUCTION CO, L.P.$393 k
THOMASMA, RAY J.HILCORP ENERGY COMPANY$319 k
CABEZONEOG RESOURCES, INC.$179 k
PUIG AVIATOREVANS, S. LAVON JR. OPER. CO.$64 k
VAQUILLAS BORREGOKILLAM OIL CO., LTD.$27 k
HINNANT 613KILLAM OIL CO., LTD.$2 k

Field number 99930500, from the Railroad Commission's field register. The register's own index resolves 118 leases and 118 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.