FOSTER (MARBLE FALLS), District 7B, 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
85
with a page here
Operators
22
Value, all time
$10.9 M
31% of the register's 278
Discovered
1976-08-01
Oil and 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 85 leases in this field that have a page here — 31% of the register's 278 — 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
Oil1714961 bbl863 mcfcasinghead915,909 bblsince discovery
Gas201830,402 mcf40 bblcondensate8,836,478 mcfsince 1970

The discovery well's oil measured 40.3° API gravity, perforated at 3,012 ft.

Spacing rule

What the Commission requires of a well on this field.

WellsRuleEffectiveFrom the lease lineBetween wellsAcres per unitMax diagonal
GasB467 ft1,200 ft803,200 ft
GasO467 ft1,200 ft402,100 ft
OilB467 ft1,200 ft803,200 ft

Commission remarks: OPTIONAL 40 AC UNITS DIAG 2100'

County

Leases in this field

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

LeaseOperatorValue
B.J. ALLEN UNIT3 S PRODUCTION, INC.$880 k
ROBERT H FORD UNIT3 S PRODUCTION, INC.$868 k
FRALEY, JOE3 S PRODUCTION, INC.$768 k
CHAMBER AEDDIE'S ROYALTIES, INC.$759 k
STROEBEL, C.G.SOUTHWEST GAS SYSTEMS, INC.$714 k
EBERHART, SYBIL SEARS3 S PRODUCTION, INC.$612 k
SMITH, CLIFFORD L.3 S PRODUCTION, INC.$586 k
BROWN ESTATEBRAKA OPERATING, L.L.C.$449 k
STROEBEL, C.G. "B"SOUTHWEST GAS SYSTEMS, INC.$330 k
PERKINSBJB TRANSPORT LLC$319 k
HEARN "A"INTERSTATE EXPLORATIONS LLC$318 k
WUENSCHEMOGUL RESOURCES, LLC$294 k
LONG, TONY "A-1"BRAKA OPERATING, L.L.C.$289 k
RICHTER, C.W.BRAKA OPERATING, L.L.C.$277 k
SHULTS "B"WILSON WELL SERVICE INC.$274 k
ANDERSON LATTIE GERTRUDECRT'S, INC.$265 k
CRISWELL, ODUSCRT'S, INC.$254 k
LONG, TONY "A"BRAKA OPERATING, L.L.C.$235 k
SHULTS "B"EDDIE'S ROYALTIES, INC.$202 k
SHULTS "B"EDDIE'S ROYALTIES, INC.$200 k
TUCKERSO OPERATING COMPANY$179 k
FORD, ROBERT H.3 S PRODUCTION, INC.$171 k
SMITH, H.O. "A"INTERSTATE EXPLORATIONS LLC$156 k
SCHULTZ "A"EDDIE'S ROYALTIES, INC.$151 k
CRISWELLEDDIE'S ROYALTIES, INC.$124 k
MASSINGILL, DONCRT'S, INC.$118 k
MASSINGALL, DONCRT'S, INC.$118 k
CRISWELLWILSON WELL SERVICE INC.$111 k
SHULTS "A"WILSON WELL SERVICE INC.$92 k
HARRIS, E.L.SCHKADE PRODUCTION CO.$90 k
SHEFFIELD, M. M.CRT'S, INC.$86 k
STROEBEL, C.G. "A"SOUTHWEST GAS SYSTEMS, INC.$60 k
FORD, ROBERT H. UNITCRT'S, INC.$49 k
GRAHAMHORN ENERGY$46 k
REED, J.F.BIG TIO, INC.$43 k
TUCKERSO OPERATING COMPANY$39 k
MCGINNISSO OPERATING COMPANY$39 k
GERHARDT "A"BIG TIO, INC.$38 k
GERHARDT "A"SO OPERATING COMPANY$36 k
LONG, TONY "A-1"BRAKA OPERATING, L.L.C.$31 k
SMITH, CLIFFORD L.CRT'S, INC.$28 k
GAGESO OPERATING COMPANY$22 k
WILSONWILSON WELL SERVICE INC.$20 k
MCCRACKENINTERSTATE EXPLORATIONS LLC$17 k
TUCKERSO OPERATING COMPANY$16 k
HADDON, ZEPHYR HELENKING OPERATING CORPORATION$12 k
DRAKE #1HORN ENERGY$12 k
KING, E. "A"R R OPERATION INC$11 k
DRAKER R OPERATION INC$10 k
GRAHAM "A"HORN ENERGY$8 k
WILSON, CLINTONBAR W RANCH$8 k
LONG "A"NORTH RIDGE CORPORATION$7 k
LONG, TONY "A"NORTH RIDGE CORPORATION$7 k
MCGINNIS "1-A"SO OPERATING COMPANY$7 k
STROEBEL, C. G. "A"SOUTHWEST GAS SYSTEMS, INC.$7 k
MCGINNIS "1-A"SO OPERATING COMPANY$6 k
STROEBEL, C.G. "A"SOUTHWEST GAS SYSTEMS, INC.$6 k
MASSMANNR R OPERATION INC$5 k
REED, J. F.BIG TIO, INC.$5 k
GREGORY, EDGAR T.EUBANK, ROBERT B. & B. K.$5 k
SONE, R.A.TAURUS ENERGY OPERATING CO.$5 k
GERHARDTR R OPERATION INC$5 k
EBERHART, DRUCILLACRT'S, INC.$4 k
GERHARDT -A-BIG TIO, INC.$4 k
CRISWELL-STEPHENSONNORTH RIDGE CORPORATION$4 k
GAGE, J.W.R R OPERATION INC$4 k
GAGE, J.W. "A"R R OPERATION INC$3 k
SHULTS "D"WILSON WELL SERVICE INC.$3 k
RICH, KYLEEUBANK, ROBERT B. & B. K.$3 k
MAPLES & DREWERYR R OPERATION INC$3 k
GERHARDTSO OPERATING COMPANY$2 k
SHULTS "C"WILSON WELL SERVICE INC.$2 k
RICH, KYLE AEUBANK, ROBERT B. & B. K.$2 k
DRAKE SURVEY-MASONR R OPERATION INC$2 k
CHAMBERS, DEWEYSO OPERATING COMPANY$1 k
GAGESO OPERATING COMPANY$1 k
SONE, R. A.TAURUS ENERGY OPERATING CO.$861
CHAMBERS, RESSIECRT'S, INC.$548
MILLER, EDWARDSMITH PIPE OF ABILENE$491
GRAHAMHORN ENERGY$417
BURKHAULTER, L. T.RHODES DRILLING COMPANY$298
GAGESO OPERATING COMPANY
MCCRACKENGRUY PETROLEUM MANAGEMENT CO.
LONG, TONY "A"NORTH RIDGE CORPORATION
LONG, TONY "A"NORTH RIDGE CORPORATION

Field number 32300500, from the Railroad Commission's field register. The register's own index resolves 278 leases and 358 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.