EXSUN (LOBO CONS.), 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
236
with a page here
Operators
11
Value, all time
$2.35 bn
97% of the register's 243
Discovered
2004-09-01
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 236 leases in this field that have a page here — 97% of the register's 243 — 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
Gas2301943,806,160 mcf1,099 bblcondensate354,026,368 mcfsince 1970

Spacing rule

What the Commission requires of a well on this field.

WellsRuleEffectiveFrom the lease lineBetween wellsAcres per unitMax diagonal
GasB2010-11-02467 ft1,200 ft400 ft

Commission remarks: PERMITTED/DRILLED/COMPLETED ON THE SAME LEASE.

County

Leases in this field

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

Showing the 200 largest of 236 leases, by the value we compute. Every one of them is in the sitemap.

LeaseOperatorValue
NEW ZAPATA EAST G.U.HILCORP ENERGY COMPANY$71.2 M
R M THILCORP ENERGY COMPANY$46.6 M
RMTHILCORP ENERGY COMPANY$44.5 M
VILLARREALHILCORP ENERGY COMPANY$40.8 M
RANCHITO "B" GAS UNITHILCORP ENERGY COMPANY$39.4 M
GUTIERREZHILCORP ENERGY COMPANY$37.9 M
MORALES ET ALHILCORP ENERGY COMPANY$37.2 M
NEW ZAPATA EAST GAS UNITHILCORP ENERGY COMPANY$36.9 M
BIGLER-FLORES GUVARAS ENERGY OPERATING COMPANY,$35.0 M
VELENO RANCHVANTAGE OPERATING, LLC$32.9 M
VELENOHILCORP ENERGY COMPANY$32.8 M
VELENOHILCORP ENERGY COMPANY$30.6 M
VELENO RANCHVANTAGE OPERATING, LLC$29.9 M
GUTIERREZ UNITHILCORP ENERGY COMPANY$29.8 M
SINGER GAS UNITHILCORP ENERGY COMPANY$29.7 M
VILLARREALHILCORP ENERGY COMPANY$29.6 M
JUAN DE DIOSHILCORP ENERGY COMPANY$28.9 M
RMTHILCORP ENERGY COMPANY$28.5 M
DE DIOS, JUANHILCORP ENERGY COMPANY$28.0 M
VILLARREALHILCORP ENERGY COMPANY$27.1 M
DE DIOS, JUANHILCORP ENERGY COMPANY$27.0 M
VARAL RANCHESHILCORP ENERGY COMPANY$26.7 M
RMTHILCORP ENERGY COMPANY$26.1 M
DE DIOS, JUANHILCORP ENERGY COMPANY$23.4 M
SWANTNER GAS UNITVANTAGE OPERATING, LLC$22.1 M
VILLARREALHILCORP ENERGY COMPANY$21.9 M
R. M. T.HILCORP ENERGY COMPANY$20.4 M
SNAVELYHILCORP ENERGY COMPANY$19.8 M
ZAPATA TOWNSITEHILCORP ENERGY COMPANY$19.5 M
VILLARREALHILCORP ENERGY COMPANY$19.2 M
MENDOZAHILCORP ENERGY COMPANY$19.0 M
RMT "C"HILCORP ENERGY COMPANY$19.0 M
VASQUEZ, DELIAHILCORP ENERGY COMPANY$19.0 M
RATHMELL-ALEXANDER GAS UNITHILCORP ENERGY COMPANY$18.6 M
SALINAS G.U.HILCORP ENERGY COMPANY$18.2 M
RMTHILCORP ENERGY COMPANY$18.0 M
VELENO RANCHVANTAGE OPERATING, LLC$18.0 M
MARTINEZ ET ALHILCORP ENERGY COMPANY$17.6 M
RANCHITO "A" GAS UNITHILCORP ENERGY COMPANY$17.5 M
VILLARREALHILCORP ENERGY COMPANY$17.3 M
NEW ZAPATA EAST GAS UNITHILCORP ENERGY COMPANY$17.2 M
RMTHILCORP ENERGY COMPANY$17.0 M
DON JOSE LAND & CATTLE CO LTDHILCORP ENERGY COMPANY$16.9 M
VASQUEZ, ROMEO J.HILCORP ENERGY COMPANY$16.8 M
ZAPATA TOWNSITEHILCORP ENERGY COMPANY$16.8 M
SNAVELYHILCORP ENERGY COMPANY$16.8 M
VILLARREALHILCORP ENERGY COMPANY$16.5 M
ZAPATA TOWNSITE GU 5HILCORP ENERGY COMPANY$16.4 M
NEW ZAPATA EAST GAS UNITHILCORP ENERGY COMPANY$16.1 M
VASQUEZ, ROMEO J.HILCORP ENERGY COMPANY$15.5 M
VARAL RANCHESHILCORP ENERGY COMPANY$15.4 M
RMT "C"HILCORP ENERGY COMPANY$15.3 M
SALINAS G.U.HILCORP ENERGY COMPANY$14.6 M
GUTIERREZHILCORP ENERGY COMPANY$14.4 M
ALEXANDER, M. TRUSTHILCORP ENERGY COMPANY$14.3 M
SALINAS G.U.HILCORP ENERGY COMPANY$14.2 M
RMTHILCORP ENERGY COMPANY$14.1 M
ALEXANDER "A"MAGNUM PRODUCING, LP$14.1 M
VASQUEZ-PENA-HAYNESHILCORP ENERGY COMPANY$13.8 M
DERLY RAMIREZHILCORP ENERGY COMPANY$13.8 M
CUELLAR G.U.HILCORP ENERGY COMPANY$13.7 M
ZAPATA TOWNSITE GU 5HILCORP ENERGY COMPANY$13.6 M
SINGERHILCORP ENERGY COMPANY$13.6 M
GUTIERREZ UNITHILCORP ENERGY COMPANY$13.4 M
NEW ZAPATA EAST GAS UNITHILCORP ENERGY COMPANY$13.1 M
GARZAHILCORP ENERGY COMPANY$13.1 M
VASQUEZ, ROMEO J.HILCORP ENERGY COMPANY$13.0 M
NCOC FEE UNITMERIT ENERGY COMPANY$12.6 M
ESTHER RAMIREZ WILLIAMS GAS UNITHILCORP ENERGY COMPANY$12.5 M
VILLARREALHILCORP ENERGY COMPANY$12.5 M
RAMONHILCORP ENERGY COMPANY$12.4 M
VASQUEZ, DELIAHILCORP ENERGY COMPANY$12.4 M
RMTHILCORP ENERGY COMPANY$12.2 M
VILLARREALHILCORP ENERGY COMPANY$12.0 M
VIELMANNHILCORP ENERGY COMPANY$11.8 M
SINGER ANDERS GAS UNITHILCORP ENERGY COMPANY$11.7 M
J. VELA CUELLARHILCORP ENERGY COMPANY$11.5 M
SWANTNER GAS UNITVANTAGE OPERATING, LLC$11.2 M
VELENO RANCHVANTAGE OPERATING, LLC$11.0 M
LAS AVISPASHILCORP ENERGY COMPANY$10.6 M
LANIER, S. ET ALHILCORP ENERGY COMPANY$10.5 M
VELA ESTATE UNITHILCORP ENERGY COMPANY$10.1 M
VILLARREALHILCORP ENERGY COMPANY$10.1 M
URIBETHREE C EXPLORATION, LLC$10.0 M
CUELLAR, J. VELAHILCORP ENERGY COMPANY$10.0 M
MORALESHILCORP ENERGY COMPANY$10.0 M
LEO CUELLAR GAS UNITHILCORP ENERGY COMPANY$9.8 M
VASQUEZ, DELIAHILCORP ENERGY COMPANY$9.4 M
VILLARREALHILCORP ENERGY COMPANY$9.3 M
VILLARREALHILCORP ENERGY COMPANY$9.2 M
SNAVELY GAS UNIT 3HILCORP ENERGY COMPANY$9.2 M
VASQUEZ, ROMEOHILCORP ENERGY COMPANY$9.1 M
MENDOZA "B"MAGNUM PRODUCING, LP$9.1 M
RAMON "B"HILCORP ENERGY COMPANY$9.0 M
PEREZ AHILCORP ENERGY COMPANY$8.9 M
VOLPE, ADANHILCORP ENERGY COMPANY$8.9 M
VILLARREALHILCORP ENERGY COMPANY$8.9 M
DON HILARIO "A"HILCORP ENERGY COMPANY$8.9 M
DERLYHILCORP ENERGY COMPANY$8.8 M
VASQUEZ-PENA-HAYNESHILCORP ENERGY COMPANY$8.7 M
BRAVO G.U.HILCORP ENERGY COMPANY$8.7 M
GUTIERREZ, JOSE CLEMENTE "A"HILCORP ENERGY COMPANY$8.2 M
MENDOZAHILCORP ENERGY COMPANY$8.1 M
VASQUEZ, ROMEO J.HILCORP ENERGY COMPANY$8.0 M
SINGERHILCORP ENERGY COMPANY$8.0 M
VELENOHILCORP ENERGY COMPANY$7.9 M
BIGLER-FLORES GUVARAS ENERGY OPERATING COMPANY,$7.5 M
HARALSON BEEFMASTERS, LTD.LUCKY LAD ENERGY, LLC$7.4 M
VASQUEZ ROMERO JHILCORP ENERGY COMPANY$7.3 M
VILLARREAL, JACOBA ESTATEHILCORP ENERGY COMPANY$7.3 M
VILLARREALHILCORP ENERGY COMPANY$7.1 M
LEO CUELLAR GAS UNITHILCORP ENERGY COMPANY$7.0 M
GONZALEZ GAS UNITHILCORP ENERGY COMPANY$6.9 M
VELA-CUELLAR, J. GAS UNITHILCORP ENERGY COMPANY$6.9 M
VILLARREALHILCORP ENERGY COMPANY$6.8 M
VILLARREALHILCORP ENERGY COMPANY$6.5 M
VILLARREALHILCORP ENERGY COMPANY$6.4 M
VARAL RANCHESHILCORP ENERGY COMPANY$6.3 M
FLORES, RUBEN MINERALHILCORP ENERGY COMPANY$6.3 M
DON JOSE LAND & CATTLE CO LTDHILCORP ENERGY COMPANY$6.2 M
VASQUEZ, DELIAHILCORP ENERGY COMPANY$6.1 M
VASQUEZ-PENA-HAYNESHILCORP ENERGY COMPANY$6.1 M
ALEXANDER "A"HILCORP ENERGY COMPANY$6.0 M
J. VELA CUELLAR GAS UNIT AHILCORP ENERGY COMPANY$5.9 M
RMT "A"CHESAPEAKE OPERATING, INC.$5.9 M
VILLARREALHILCORP ENERGY COMPANY$5.8 M
VARAL RANCHESHILCORP ENERGY COMPANY$5.8 M
GUTIERREZHILCORP ENERGY COMPANY$5.5 M
SINGER-ANDERSHILCORP ENERGY COMPANY$5.5 M
ZAPATA TOWNSITE 4 GAS UNITHILCORP ENERGY COMPANY$5.5 M
RUBEN FLORES MINERALS LTD GUHILCORP ENERGY COMPANY$5.5 M
ZAPATA HAWKHILCORP ENERGY COMPANY$5.5 M
GARZAHILCORP ENERGY COMPANY$5.4 M
SINGER BHILCORP ENERGY COMPANY$5.4 M
VELENO RANCHVANTAGE OPERATING, LLC$5.3 M
VASQUEZ, ROMEO J.HILCORP ENERGY COMPANY$5.3 M
VASQUEZ, DELIAHILCORP ENERGY COMPANY$5.2 M
CUELLAR-GRAVES GAS UNITHILCORP ENERGY COMPANY$5.2 M
DON JOSE LAND & CATTLE CO LTDHILCORP ENERGY COMPANY$5.1 M
LAS AVISPASHILCORP ENERGY COMPANY$5.1 M
SNAVELY GAS UNIT 5HILCORP ENERGY COMPANY$5.1 M
GONART INVESTMENTS ET ALLUCKY LAD ENERGY, LLC$4.9 M
VILLARREALHILCORP ENERGY COMPANY$4.9 M
VOLPE, FLORA E. G. DE UNITHILCORP ENERGY COMPANY$4.9 M
BHCHHILCORP ENERGY COMPANY$4.8 M
VILLARREAL GUTIERREZ GUHILCORP ENERGY COMPANY$4.8 M
MOLLETES CREEK GUHILCORP ENERGY COMPANY$4.7 M
GUERRA-SAENZHILCORP ENERGY COMPANY$4.7 M
DERLYHILCORP ENERGY COMPANY$4.6 M
ZAPATA TOWNSITEHILCORP ENERGY COMPANY$4.5 M
CUELLAR, J. VELAHILCORP ENERGY COMPANY$4.4 M
RAMIREZ, ABELHILCORP ENERGY COMPANY$4.3 M
VILLARREALHILCORP ENERGY COMPANY$4.2 M
JUAN RAMIREZ GAS UNITHILCORP ENERGY COMPANY$4.1 M
RANCHITO "A" GAS UNITHILCORP ENERGY COMPANY$4.0 M
RANCHITO "A" GAS UNITHILCORP ENERGY COMPANY$3.9 M
ALEXANDER "A"MAGNUM PRODUCING, LP$3.9 M
VILLERREALHILCORP ENERGY COMPANY$3.8 M
VASQUEZ-PENA-HAYNESHILCORP ENERGY COMPANY$3.8 M
URIBETHREE C EXPLORATION, LLC$3.7 M
SNAVELY GAS UNIT 3HILCORP ENERGY COMPANY$3.6 M
JACOBA "A"HILCORP ENERGY COMPANY$3.5 M
DASQUEZ, ROMEO J.HILCORP ENERGY COMPANY$3.5 M
SINGER-ANDERSHILCORP ENERGY COMPANY$3.5 M
VASQUEZ, ROMEO J. "B"HILCORP ENERGY COMPANY$3.5 M
VOLPE, FLORA E. G. DE UNITHILCORP ENERGY COMPANY$3.4 M
GONZALEZ, HORACIOHILCORP ENERGY COMPANY$3.4 M
VELA CUELLAR, J. GAS UNITHILCORP ENERGY COMPANY$3.4 M
RANCHITO TANK GUVARAS ENERGY OPERATING COMPANY,$3.4 M
ALEJO BENAVIDESHILCORP ENERGY COMPANY$3.4 M
LANIER-RATHMELL-ALEXANDER G UHILCORP ENERGY COMPANY$3.4 M
VOLPE, ADANHILCORP ENERGY COMPANY$3.1 M
VOLPE, RAUL HEIRSHILCORP ENERGY COMPANY$3.1 M
VELENOHILCORP ENERGY COMPANY$3.0 M
VOLPE, RAUL HEIRSHILCORP ENERGY COMPANY$2.9 M
RMT CCHESAPEAKE OPERATING, INC.$2.8 M
R.M.T.HILCORP ENERGY COMPANY$2.8 M
RUBEN FLORES MINERALS, LTDHILCORP ENERGY COMPANY$2.7 M
VIELMANNHILCORP ENERGY COMPANY$2.7 M
VELA-CUELLAR, J. GAS UNITHILCORP ENERGY COMPANY$2.7 M
SNAVELY GAS UNIT 6HILCORP ENERGY COMPANY$2.6 M
ROMERO VASQUEZHILCORP ENERGY COMPANY$2.5 M
VASQUEZHILCORP ENERGY COMPANY$2.5 M
RUBEN FLORES MINERALS, LTDHILCORP ENERGY COMPANY$2.4 M
DELOZEIS FAMILY TRUSTHILCORP ENERGY COMPANY$2.4 M
URIBETHREE C EXPLORATION, LLC$2.3 M
SINGER BHILCORP ENERGY COMPANY$2.3 M
RAMIREZ, M.HILCORP ENERGY COMPANY$2.3 M
VELENO RANCHVANTAGE OPERATING, LLC$2.2 M
VELENOHILCORP ENERGY COMPANY$2.1 M
J. VELA CUELLAR G. U. BHILCORP ENERGY COMPANY$2.1 M
LAS AVISPASHILCORP ENERGY COMPANY$2.1 M
RAMON "C"HILCORP ENERGY COMPANY$1.9 M
VELENOHILCORP ENERGY COMPANY$1.9 M
VASQUEZ, DELIAHILCORP ENERGY COMPANY$1.9 M
J. VELA CUELLAR GAS UNIT AHILCORP ENERGY COMPANY$1.8 M
VASQUEZ-PENA-HAYNESHILCORP ENERGY COMPANY$1.8 M
DERLYHILCORP ENERGY COMPANY$1.7 M
VILLARREALHILCORP ENERGY COMPANY$1.7 M
VELA-CUELLAR, J.HILCORP ENERGY COMPANY$1.7 M

Field number 29801253, from the Railroad Commission's field register. The register's own index resolves 243 leases and 243 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.