FULLERTON, 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
111
with a page here
Operators
37
Value, all time
$4.46 bn
67% of the register's 165
Discovered
1941-12-23
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 111 leases in this field that have a page here — 67% of the register's 165 — 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
Oil1,5197271,121,337 bbl955,808 mcfcasinghead367,216,784 bblsince discovery

The discovery well's oil measured 43.0° API gravity, perforated at 7,300 ft.

Hydrogen sulphide

Spacing rule

What the Commission requires of a well on this field.

WellsRuleEffectiveFrom the lease lineBetween wellsAcres per unitMax diagonal
OilB2010-06-09330 ft0 ft402,100 ft
OilO2010-06-09330 ft0 ft201,500 ft
OilO2010-06-09330 ft0 ft101,100 ft

Commission remarks: BLANCO-FULLERTON D WELLS 13 D, 15D, 16D & 17D. 08/3/21

County

Leases in this field

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

LeaseOperatorValue
FULLERTON CLEARFORK UNITHILCORP ENERGY COMPANY$3.52 bn
BITLER-LOWE CLEARFORK UNITHIGHMARK ENERGY OPERATING, LLC$145.6 M
LOWE & BITLER -C- A/C 2WHITE ROCK OIL & GAS, LLC$43.2 M
LOGSDON, ETAL -D-TEXLAND PETROLEUM, L.P.$39.9 M
UNIVERSITY CONS. VCRESCENT ENERGY OPERATING, LLC$35.9 M
LOGSDON -C-TEXLAND PETROLEUM, L.P.$34.8 M
RALPH -A-WHITE ROCK OIL & GAS, LLC$31.7 M
UNIVERSITY CONSOLIDATED XIICRESCENT ENERGY OPERATING, LLC$28.5 M
MONTEREY-UNIVERSITYFASKEN OIL AND RANCH, LTD.$27.9 M
UNIVERSITY -A-STEPHENS & JOHNSON OPERATING CO.$27.4 M
BITLER-LOWE -B-HIGHMARK ENERGY OPERATING, LLC$26.7 M
UNIVERSITY 13-45MONTARE OPERATING, LTD.$22.2 M
MOBIL FEEOLSEN ENERGY INC.$20.5 M
LOGSDON, C. W. -A-HILCORP ENERGY COMPANY$18.8 M
UNIVERSITY CONS. IVCRESCENT ENERGY OPERATING, LLC$18.7 M
MARALOPRASAD, HARI PRODUCTION CO.$17.8 M
PRAIRIE SCHOONER UNIVERSITYBURLESON PETROLEUM, INC.$17.8 M
PARKERR3 OPERATING CORPORATION$17.3 M
LOWE, M. R. 15HIGHMARK ENERGY OPERATING, LLC$17.0 M
UNIVERSITY -9-CRESCENT ENERGY OPERATING, LLC$16.4 M
UNIVERSITY "10"STEPHENS & JOHNSON OPERATING CO.$14.6 M
UNIVERSITY -41-REVERENCE OPERATING LLC$12.9 M
UNIVERSITY -29-OILWELL OPERATORS, INC.$12.8 M
UNIVERSITY (S) "28"OLSEN ENERGY INC.$12.1 M
RALPHOLSEN ENERGY INC.$11.7 M
SCARBOROUGH UNITTEXLAND PETROLEUM, L.P.$10.8 M
UNIVERSITY -I-CRESCENT ENERGY OPERATING, LLC$10.7 M
UNIVERSITY CONS. VICRESCENT ENERGY OPERATING, LLC$10.7 M
LOGSDON, ETAL -B-TEXLAND PETROLEUM, L.P.$10.2 M
BRYANT-LINK CO.TEXLAND PETROLEUM, L.P.$9.7 M
UNIVERSITY 15 "A"STEPHENS & JOHNSON OPERATING CO.$9.6 M
UNIVERSITY 13-46MONTARE OPERATING, LTD.$9.3 M
FULL BARTEXLAND PETROLEUM, L.P.$9.2 M
UNIVERSITY (S) "M"OLSEN ENERGY INC.$8.8 M
LOGSDON AVIN FISHER OPERATING, INC.$8.4 M
UNIVERSITY -11-CRESCENT ENERGY OPERATING, LLC$8.0 M
UNIVERSITY 15 "B"STEPHENS & JOHNSON OPERATING CO.$8.0 M
UNIVERSITY CONS. VIICRESCENT ENERGY OPERATING, LLC$7.8 M
RAINEY, DONNATEXLAND PETROLEUM, L.P.$7.4 M
UNIVERSITY -7-CRESCENT ENERGY OPERATING, LLC$7.3 M
COOPWOOD "C"VISION NATURAL RESOURCES, LP$7.1 M
MARALO -24-PRASAD, HARI PRODUCTION CO.$7.0 M
UNIVERSITY "1"LAKESHORE OPERATING, LLC$6.6 M
BOLES 25PRASAD, HARI PRODUCTION CO.$5.7 M
UNIVERSITY "C-16"STEPHENS & JOHNSON OPERATING CO.$5.5 M
MULLINS 18SIMATA ENERGY, LLC$5.3 M
UNIVERSITY 13-283340MONTARE OPERATING, LTD.$4.8 M
BITLER-LOWEPRASAD, HARI PRODUCTION CO.$4.6 M
UNIVERSITY "9"REVERENCE OPERATING LLC$4.6 M
LOGSDON, C. W. -E-TEXLAND PETROLEUM, L.P.$4.3 M
UNIVERSITY 12AMONTARE OPERATING, LTD.$4.3 M
UNIVERSITY "C"STEPHENS & JOHNSON OPERATING CO.$4.0 M
MULLINS "18-A"SIMATA ENERGY, LLC$3.7 M
SUMERLIN, C. E.TEXLAND PETROLEUM, L.P.$3.5 M
LOGSDON C WHILCORP ENERGY COMPANY$3.5 M
COOPWOOD -4- "B"VISION NATURAL RESOURCES, LP$3.5 M
LOGSDONVIN FISHER OPERATING, INC.$3.5 M
UNIVERSITY "1013"STEPHENS & JOHNSON OPERATING CO.$3.4 M
PSL -24-2-GRAMA OPERATING, LLC$3.3 M
BLANCO-FULLERTON DEXTEX OPERATING COMPANY$3.2 M
BLACKDOGVIN FISHER OPERATING, INC.$3.0 M
GROGAN (SAN ANDRES & CF) UNITTEXLAND PETROLEUM, L.P.$2.6 M
FULLERTON EASTPRASAD, HARI PRODUCTION CO.$2.6 M
KIMBERLYCRESCENT ENERGY OPERATING, LLC$2.3 M
UNIVERSITY 15 "C"STEPHENS & JOHNSON OPERATING CO.$2.2 M
UNIVERSITY IR1513 UNITSTEPHENS & JOHNSON OPERATING CO.$2.2 M
UNIVERSITY (S) "9"OLSEN ENERGY INC.$1.9 M
COOPWOOD "B"VISION NATURAL RESOURCES, LP$1.9 M
ICA UNIVERSITY 1013STEPHENS & JOHNSON OPERATING CO.$1.9 M
UNIVERSITY (S) "8"OLSEN ENERGY INC.$1.8 M
LOWE, M. R. 6HIGHMARK ENERGY OPERATING, LLC$1.4 M
NESTE MULLINS "18"SIMATA ENERGY, LLC$1.4 M
LINEBERRY(SAN ANDRES CF UNIT)TEXLAND PETROLEUM, L.P.$1.2 M
LOTUS OIL CO. -A-WESTERN RESERVES OIL COMPANY INC$1.1 M
BLUE QUAIL UNIVERSITYVIN FISHER OPERATING, INC.$975 k
TEXACOPRASAD, HARI PRODUCTION CO.$948 k
CHESLEYPRASAD, HARI PRODUCTION CO.$910 k
PARKERPRASAD, HARI PRODUCTION CO.$889 k
MULLINS "18-B"SIMATA ENERGY, LLC$889 k
COOPWOOD -4- "C"RICHMOND DRILLING COMPANY$835 k
SINCLAIR-UNIVERSITYMERCURY OPERATING, LLC$813 k
UNIVERSITY "11"VIN FISHER OPERATING, INC.$810 k
UNIVERSITY 15 'AC'STEPHENS & JOHNSON OPERATING CO.$806 k
UNIVERSITY (S) "7"ENDEAVOR ENERGY RESOURCES L.P.$749 k
UL 13 AUGUSTABAKER OPERATING, INC.$628 k
UNIVERSITY -41-SHERIDAN PRODUCTION COMPANY, LLC$610 k
BITLER-LOWE 24PRASAD, HARI PRODUCTION CO.$479 k
UL 13 DUBLINLIME ROCK RESOURCES IV-A, L.P.$449 k
UNIVERSITY -C-SAGE ENERGY COMPANY$398 k
UNIVERSITY 13 35SANDRIDGE EXPL. AND PROD., LLC$319 k
UNIVERSITY 45FOREST OIL CORPORATION$295 k
RAINEY, DONNA, MRS.TEXLAND/JMC JOINT VENTURE$250 k
PSL "24-4"CONCHO RESOURCES INC.$210 k
COOPWOOD DRICHMOND DRILLING COMPANY$204 k
UNIVERSITY 13-39MONTARE OPERATING, LTD.$193 k
UNIVERSITY "AU"FOREST OIL CORPORATION$178 k
LOGSDON, C. W.LZS CORPORATION$137 k
MARALO EST.PRASAD, HARI PRODUCTION CO.$135 k
BITLER-LOWE -A-PRASAD, HARI PRODUCTION CO.$103 k
RALPH -12-SONAT EXPLORATION CO. - MIDLAND$86 k
RALPH -13-SONAT EXPLORATION CO. - MIDLAND$56 k
UNIVERSITY -Y-FOREST OIL CORPORATION$49 k
UNIVERSITY 2COX, JOHN L.$31 k
UNIVERSITY -32-CRESCENT ENERGY OPERATING, LLC$24 k
GULF-UNIVERSITYVIN FISHER OPERATING, INC.$21 k
MULLINS "18-D"CRESTRIDGE DRLG. & PROD.CO.,LLC$19 k
THORNBERRY-NWSCRESCENT ENERGY OPERATING, LLC$2 k
COOPWOOD -4-RICHMOND DRILLING COMPANY$2 k
LOGSDON, C. W.SAGE ENERGY COMPANY$970
FINA-AMOCOBURNS, BILL C.$238
LOGSDON, C. W., -B-SAGE ENERGY COMPANY

Field number 33230001, from the Railroad Commission's field register. The register's own index resolves 165 leases and 2,135 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.