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LASSATER (TRAVIS PEAK, GAS), District 06, 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
56
with a page here
Operators
11
Value, all time
$210.9 M
95% of the register's 59
Discovered
1994-03-21
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 56 leases in this field that have a page here — 95% of the register's 59 — 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
Oil000 bbl0 mcfcasinghead11,379 bblsince discovery
Gas4035347,244 mcf26,466 bblcondensate44,972,056 mcfsince 1970

The discovery well's oil measured 57.5° API gravity, perforated at 11,600 ft.

Spacing rule

What the Commission requires of a well on this field.

WellsRuleEffectiveFrom the lease lineBetween wellsAcres per unitMax diagonal
GasB1999-05-25467 ft1,200 ft3207,000 ft
GasO1999-05-25467 ft1,200 ft803,250 ft

Commission remarks: EFFECTIVE AUGUST.

County

Marion County

Leases in this field

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

LeaseOperatorValue
BROOKS UNIT (HALL ESTATE)LINDER, JOHN OPERATING CO., LLC$11.9 M
CARTWRIGHT, L. (CARTWRIGHT UNIT)LINDER, JOHN OPERATING CO., LLC$11.6 M
CARTWRIGHT, L. (CARTWRIGHT UNIT)LINDER, JOHN OPERATING CO., LLC$9.5 M
NEAL, J. A. UNITLINDER, JOHN OPERATING CO., LLC$9.4 M
ORR UNITLINDER, JOHN OPERATING CO., LLC$9.1 M
BROOKS UNIT (HALL ESTATE)LINDER, JOHN OPERATING CO., LLC$8.7 M
BROOKS UNIT (HALL ESTATE)LINDER, JOHN OPERATING CO., LLC$8.2 M
NEAL, J. A. UNITLINDER, JOHN OPERATING CO., LLC$8.1 M
BROOKS UNIT (HALL ESTATE)LINDER, JOHN OPERATING CO., LLC$7.0 M
NEAL, J. A. UNITLINDER, JOHN OPERATING CO., LLC$6.5 M
BROOKS UNIT (HALL ESTATE)LINDER, JOHN OPERATING CO., LLC$6.4 M
SIMPSON FAMILYLINDER, JOHN OPERATING CO., LLC$6.1 M
KELSEY, ANNIE D. GAS UNITLINDER, JOHN OPERATING CO., LLC$5.6 M
CARTWRIGHT, L. (CARTWRIGHT UNIT)LINDER, JOHN OPERATING CO., LLC$5.5 M
BRADLEY, KYLERANDALL EXPLORATION, LLC$5.4 M
CLIFTON, W.B.LINDER, JOHN OPERATING CO., LLC$5.4 M
CARTWRIGHT, L. (CARTWRIGHT UNIT)LINDER, JOHN OPERATING CO., LLC$5.3 M
ANNIE D. KELSEY GAS UNITLINDER, JOHN OPERATING CO., LLC$5.1 M
CARTWRIGHT, L. (CARTWRIGHT UNIT)LINDER, JOHN OPERATING CO., LLC$5.0 M
BROOKS UNIT (HALL ESTATE)LINDER, JOHN OPERATING CO., LLC$4.9 M
ORR UNITLINDER, JOHN OPERATING CO., LLC$4.6 M
SIMPSON FAMILYLINDER, JOHN OPERATING CO., LLC$4.4 M
NEAL, J. A. UNITLINDER, JOHN OPERATING CO., LLC$4.0 M
SIMPSON FAMILYLINDER, JOHN OPERATING CO., LLC$3.8 M
KELSEY, ANNIE D. GAS UNITLINDER, JOHN OPERATING CO., LLC$3.7 M
CARTWRIGHT, L. (CARTWRIGHT UNIT)LINDER, JOHN OPERATING CO., LLC$3.5 M
CARTWRIGHT, L. (CARTWRIGHT UNIT)LINDER, JOHN OPERATING CO., LLC$3.5 M
CARTWRIGHT, L. (CARTWRIGHT UNIT)DEVON ENERGY PRODUCTION CO, L.P.$3.4 M
BROOKS UNIT (HALL ESTATE)LINDER, JOHN OPERATING CO., LLC$3.3 M
KELSEY, ANNIE D. GAS UNITLINDER, JOHN OPERATING CO., LLC$3.2 M
ORR UNITLINDER, JOHN OPERATING CO., LLC$3.1 M
WADECAMTERRA RESOURCES, INC.$3.0 M
KELSEY, ANNIE D. GAS UNITLINN OPERATING, LLC$2.7 M
WALDROP "A"BUFFCO PRODUCTION INC.$2.6 M
NEAL, J. A. UNITLINDER, JOHN OPERATING CO., LLC$2.5 M
MONTGOMERY UNITDEVON ENERGY PRODUCTION CO, L.P.$2.4 M
CLIFTON, W.B.LINDER, JOHN OPERATING CO., LLC$2.4 M
BROOKS UNIT (HALL ESTATE)LINDER, JOHN OPERATING CO., LLC$2.2 M
CARTWRIGHT, L. (CARTWRIGHT UNIT)LINDER, JOHN OPERATING CO., LLC$2.1 M
NEAL, J.A. UNITLINDER, JOHN OPERATING CO., LLC$1.8 M
OLIVER UNITLINDER, JOHN OPERATING CO., LLC$1.5 M
BRADLEY, KYLERANDALL EXPLORATION, LLC$847 k
KLABZUBABROOKS PETROLEUM COMPANY$613 k
CARTWRIGHT, L. (CARTWRIGHT UNIT)MITCHELL ENERGY CORPORATION$305 k
BROOKS UNIT (HALL ESTATE)LINDER, JOHN OPERATING CO., LLC$266 k
ORRBUFFCO PRODUCTION INC.$96 k
OLIVER UNITLINDER, JOHN OPERATING CO., LLC$94 k
CARTWRIGHT, L. (CARTWRIGHT UNIT)MITCHELL ENERGY CORPORATION$93 k
WALDROP "A"BUFFCO PRODUCTION INC.$52 k
KING HEIRSCAMTERRA RESOURCES, INC.$51 k
MITCHELL "J"MARATHON OIL COMPANY$40 k
KING, KIRKMITCHELL ENERGY COMPANY L.P.$27 k
SCHMITT GAS UNITPECOS PETROLEUM COMPANY$21 k
CONNERBUFFCO PRODUCTION INC.$50
ORR UNITDEVON ENERGY PRODUCTION CO, L.P.—
NECHES IRON CO. "C"MITCHELL ENERGY CORPORATION—

Field number 52239667, from the Railroad Commission's field register. The register's own index resolves 59 leases and 59 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.