MARTIN (CONSOLIDATED), 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
100
with a page here
Operators
43
Value, all time
$1.45 bn
85% of the register's 118
Discovered
2000-11-20
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 100 leases in this field that have a page here — 85% 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
Oil479283340,281 bbl1,451,487 mcfcasinghead15,692,906 bblsince discovery
Gas100 mcf0 bblcondensate320,150 mcfsince 1970

The discovery well's oil measured 37.4° API gravity, perforated at 7,490 ft.

Hydrogen sulphide

Spacing rule

What the Commission requires of a well on this field.

WellsRuleEffectiveFrom the lease lineBetween wellsAcres per unitMax diagonal
GasB2010-06-22330 ft0 ft402,100 ft
GasO2010-06-22330 ft0 ft201,500 ft
OilB2010-06-22330 ft0 ft402,100 ft
OilO2010-06-22330 ft0 ft101,100 ft

Commission remarks: UNIVERSITY WELL #1 (API #003-00649).

County

Leases in this field

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

LeaseOperatorValue
PARKER, J. E.HILCORP ENERGY COMPANY$190.8 M
UNIV. 11 SEC. -1-OXY USA EOR, LLC$89.6 M
PHILLIPS UNIVERSITY "P"CRESCENT ENERGY OPERATING, LLC$87.2 M
UNIVERSITY SOUTHERN MINERALSCRESCENT ENERGY OPERATING, LLC$68.4 M
PHILLIPS UNIVERSITY -O-CRESCENT ENERGY OPERATING, LLC$65.1 M
PHILLIPS UNIVERSITY -T-CRESCENT ENERGY OPERATING, LLC$64.1 M
MARTIN, NELLIE C.UNITEX OIL & GAS, L.L.C.$61.0 M
PHILLIPS UNIVERSITY 11-ACRESCENT ENERGY OPERATING, LLC$60.6 M
UNIVERSITY -3-BCP RESOURCES, LLC$50.6 M
UNIVERSITY "14-A"BCE-MACH III LLC$46.6 M
PHILLIPS UNIVERSITY 15-11CRESCENT ENERGY OPERATING, LLC$43.4 M
PARKER, J. E. A/C 3AHILCORP ENERGY COMPANY$39.2 M
UNIVERSITY ATPCRESCENT ENERGY OPERATING, LLC$39.0 M
UNIVERSITY 11ADISCOVERY OPERATING, INC.$35.9 M
UNIVERSITY 11 SEC 2HILCORP ENERGY COMPANY$35.3 M
UNIVERSITY UAMAVERICK PERMIAN LLC$28.1 M
UNIVERSITY 11DISCOVERY OPERATING, INC.$26.7 M
UNIV. 11 SEC. 13HILCORP ENERGY COMPANY$26.7 M
UNIVERSITY -2-BCP RESOURCES, LLC$25.6 M
WILLIAMSON, J.M.AGHORN OPERATING, INC.$23.7 M
TEXAS UNIVERSITY -R-MAVERICK PERMIAN LLC$23.0 M
UNIVERSITY 11 SEC. 11 -F-HILCORP ENERGY COMPANY$20.8 M
UNIVERSITY 11 SEC. 11 -A-OXY USA EOR, LLC$18.6 M
STATE OF TEXAS BKOCTANE ENERGY OPERATING, LLC$17.7 M
UNIV. 11 SEC. 12OXY USA EOR, LLC$17.4 M
GOLDSMITH, N. SAN ANDRES CONS. UPECOS OPERATING COMPANY, LLC$16.5 M
UNIVERSITY 12UNITEX OIL & GAS, L.L.C.$14.4 M
LOCKHARTWINN OPERATING, LLC$12.9 M
MAGRUDER BBVX OPERATING, INC.$10.7 M
UNIVERSITY 35AOCTANE ENERGY OPERATING, LLC$10.0 M
UNIVERSITY 11BDISCOVERY OPERATING, INC.$9.5 M
UNIVERSITY 11 SEC. 11 "G"HILCORP ENERGY COMPANY$9.2 M
ANDREWS -3-DISCOVERY OPERATING, INC.$9.0 M
COWDEN 'F'OCTANE ENERGY OPERATING, LLC$8.8 M
PHILLIPS-UNIVERSITYLAKESHORE OPERATING, LLC$8.7 M
UNIVERSITY AOCTANE ENERGY OPERATING, LLC$8.3 M
BESSIE OLA 16CRESCENT ENERGY OPERATING, LLC$7.5 M
CAMPBELLFORMENTERA OPERATIONS LLC$7.2 M
WTAMU UNIVERSITYOCTANE ENERGY OPERATING, LLC$7.2 M
PHILLIPS UNIVERSITY -11-CRESCENT ENERGY OPERATING, LLC$6.4 M
ARGOBURLESON PETROLEUM, INC.$5.9 M
ANDREWS 1115DISCOVERY OPERATING, INC.$5.5 M
UNIVERSITY 11-13CRESCENT ENERGY OPERATING, LLC$5.5 M
CARMICHAEL CFHILCORP ENERGY COMPANY$5.0 M
ARCO UNIVERSITYWTG EXPLORATION$4.8 M
PARKER, J. E. ESTATE -B-WINN OPERATING, LLC$4.7 M
UNIVERSITY 11 SEC. 11HILCORP ENERGY COMPANY$4.6 M
UNIVERSITY 11-23CRESCENT ENERGY OPERATING, LLC$3.9 M
LOCKHART & BROWNEXTEX OPERATING COMPANY$3.6 M
PHILLIPS UNIVERSITY "P"CRESCENT ENERGY OPERATING, LLC$3.5 M
KIMBERLYSIMATA ENERGY, LLC$2.8 M
CASCADE -B-SCHLACHTER OPERATING CORPORATION$2.8 M
TEXAS UNIVERSITYOCTANE ENERGY OPERATING, LLC$2.7 M
PARKER, J. E. ESTATEUNITEX OIL & GAS, L.L.C.$2.5 M
PARKER, J. E. -B-SIMATA ENERGY, LLC$2.4 M
UNIVERSITYOCTANE ENERGY OPERATING, LLC$2.3 M
CUMMINSRAPTOR RESOURCES, INC.$1.9 M
HUMBLE-PARKERSAXET OIL CORPORATION$1.9 M
HILL-STATEOCTANE ENERGY OPERATING, LLC$1.7 M
CASCADEBARRINGTON RESOURCES INC.$1.7 M
PARKERMONTARE OPERATING, LTD.$1.7 M
UNIVERSITY -AB-PENNANT DEV. AND PROD., LLC$1.7 M
PARKER, J. E. ESTATE -AUNITEX OIL & GAS, L.L.C.$1.7 M
PARKER, J.E.EXXON MOBIL CORPORATION$1.5 M
FLAG RANCH ARAPTOR RESOURCES, INC.$1.5 M
ARGO -B-REDCO OIL & GAS, INC.$1.3 M
CASCADE "D"GRACE PETROLEUM OPERATING, LLC$1.3 M
PARKER 22WINN OPERATING, LLC$1.2 M
ALLY 26FORMENTERA OPERATIONS LLC$1.2 M
RED DOGOCTANE ENERGY OPERATING, LLC$1.2 M
UNIVERSITY 6BAKER OPERATING, INC.$1.0 M
CUMMINS -K-OCTANE ENERGY OPERATING, LLC$1.0 M
ATLANTIC UNIVERSITYPERIMETER RESOURCE COMPANY$992 k
WHEELERSPINDLETOP OIL & GAS COMPANY$955 k
KIMBERLYCRESCENT ENERGY OPERATING, LLC$945 k
UNIVERSITY BBOCTANE ENERGY OPERATING, LLC$925 k
WINTER WESTREDCO OIL & GAS, INC.$908 k
R.B. COWDEN 'B'OCTANE ENERGY OPERATING, LLC$880 k
FLAG RANCH FRAPTOR RESOURCES, INC.$865 k
ARCO UNIVERSITY -A-WTG EXPLORATION$800 k
STEVENSON JMKINNEY INCORPORATED$736 k
R.B. -AB- COWDENOCTANE ENERGY OPERATING, LLC$669 k
UNIVERSITY ANDREWSMAVERICK PERMIAN LLC$622 k
UNIVERSITY GENESIS 34COMAL OPERATING LLC$556 k
PARKER, J.E.EXXON MOBIL CORPORATION$494 k
UNIVERSITY 18CRESCENT ENERGY OPERATING, LLC$382 k
PHILLIPS UNIVERSITYCRESCENT ENERGY OPERATING, LLC$371 k
SOUTH CROW 19FORMENTERA OPERATIONS LLC$349 k
ARGO -A-OLSEN ENERGY INC.$284 k
ATLANTIC UNIVERSITYWAGNER & BROWN, LTD.$256 k
CASCADE -D-BROWN, H.L. OPERATING, L.L.C.$172 k
HALLIDAY, H. J.SANDRIDGE EXPL. AND PROD., LLC$118 k
PARKER RANCHLAND 25MAMMOTH EXPLORATION LLC$101 k
WHEELERENDEAVOR ENERGY RESOURCES L.P.$81 k
ATLANTIC UNIVERSITYPETROPLEX EQUIPMENT, INC.$63 k
COWDEN, R. B. 1BARROW PETROLEUM LLC$24 k
J. E. PARKER 20BVX OPERATING, INC.$16 k
CASCADE -C-PINNACLE MINING CORPORATION$12 k
TEXAS UNIVERSITY -R-MAVERICK PERMIAN LLC$10 k
PHILLIPS UNIVERSITY "T"FOREST OIL CORPORATION$615

Field number 57774275, from the Railroad Commission's field register. The register's own index resolves 118 leases and 585 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.