BRADFORD (TONKAWA), District 10, 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
58
with a page here
Operators
19
Value, all time
$153.3 M
64% of the register's 91
Discovered
1958-11-19
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 58 leases in this field that have a page here — 64% of the register's 91 — 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
Oil4291,552 bbl48,867 mcfcasinghead9,092,536 bblsince discovery
Gas15980,546 mcf0 bblcondensate16,799,747 mcfsince 1970

The discovery well's oil measured 39.5° API gravity, perforated at 6,480 ft.

Spacing rule

What the Commission requires of a well on this field.

WellsRuleEffectiveFrom the lease lineBetween wellsAcres per unitMax diagonal
GasB1961-04-17660 ft1,320 ft6408,400 ft
OilB660 ft1,320 ft803,250 ft

Commission remarks: MULTI 49B WITH 80 AC BASE UNIT UP TO 640 AC WITH 10% TOLERANCE.

County

Leases in this field

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

LeaseOperatorValue
BRADFORD-LAURIEPRESIDIO PETROLEUM LLC$18.7 M
KINGUNITED OIL & SHALE LLC$10.9 M
MILESPRESIDIO PETROLEUM LLC$10.7 M
MILES "A"UNIT PETROLEUM COMPANY$9.8 M
GRAYUNITED OIL & SHALE LLC$8.1 M
SISTERSPRESIDIO PETROLEUM LLC$8.1 M
BOOTH "C"PRESIDIO PETROLEUM LLC$7.6 M
BORN, ALEX "F"LATIGO PETROLEUM, LLC$7.4 M
BOOTH, E. "A"UNIT PETROLEUM COMPANY$6.4 M
RANDALLPRESIDIO PETROLEUM LLC$5.9 M
MILES "B"UNIT PETROLEUM COMPANY$4.7 M
DANIELSUNIT PETROLEUM COMPANY$4.6 M
BRADFORD "A"MEWBOURNE OIL COMPANY$3.8 M
KINGPRESIDIO PETROLEUM LLC$3.7 M
HAMKERUNIT PETROLEUM COMPANY$3.6 M
DUKE, BASILLATIGO PETROLEUM, LLC$3.3 M
BOOTH "B"PRESIDIO PETROLEUM LLC$3.2 M
BARTONUNITED OIL & SHALE LLC$3.1 M
BECKERPRESIDIO PETROLEUM LLC$2.7 M
CRUISE ADIVERSIFIED PRODUCTION LLC$2.0 M
MILES-LOBOKAISER-FRANCIS OIL COMPANY$1.9 M
BRILLHART, H. C.AVALANCHE OIL & GAS LLC$1.9 M
BRILLHARTAMARILLO EXPLORATION, INC.$1.7 M
BOOTHWALSH & WATTS, INC.$1.7 M
WASSELL, JOHN R.LATIGO PETROLEUM, LLC$1.6 M
BECKER, ARTHUR JR.LATIGO PETROLEUM, LLC$1.6 M
HAMKER, WALLACE N. "B"APACHE CORPORATION$1.6 M
CROSS -F-DIVERSIFIED PRODUCTION LLC$1.5 M
GUYCENTRAL TEXAS OPERATING, INC.$1.3 M
BRADFORDMEWBOURNE OIL COMPANY$1.2 M
BOOTH, E.UNIT PETROLEUM COMPANY$1.2 M
BOOTHPRESIDIO PETROLEUM LLC$994 k
BARTON "A"UNIT PETROLEUM COMPANY$942 k
KING "C"LATIGO PETROLEUM, LLC$847 k
KING "B"UNIT PETROLEUM COMPANY$695 k
BARTONUNIT PETROLEUM COMPANY$599 k
LEBUNIT PETROLEUM COMPANY$597 k
BLAKE, CELIA DEEMITCHELL EHRLICH OIL & GAS, LLC$542 k
PIPER, OLA O.HIGHMARK ENERGY OPERATING, LLC$451 k
CROSS FCONOCOPHILLIPS COMPANY$263 k
PIPERUNIT PETROLEUM COMPANY$235 k
DANIELSPRESIDIO PETROLEUM LLC$212 k
BRADFORD, R. C.MEWBOURNE OIL COMPANY$184 k
KING "C"AMOCO PRODUCTION COMPANY$177 k
MILESPRESIDIO PETROLEUM LLC$165 k
HAMKERPRESIDIO PETROLEUM LLC$137 k
KING "A"UNIT PETROLEUM COMPANY$104 k
DUKE, C. C. "A"AMOCO PRODUCTION COMPANY$99 k
OLAMIDGARD ENERGY COMPANY$91 k
HANSHU ET ALBP AMERICA PRODUCTION COMPANY$77 k
HAMKER "A"UNIT PETROLEUM COMPANY$51 k
BRADFORD, LYDIAAMOCO PRODUCTION COMPANY$47 k
PIPER, OLA O. 668AMOCO PRODUCTION COMPANY$38 k
HAMKER, WALLACE N.APACHE CORPORATION$38 k
CROSS FPHILLIPS PETROLEUM COMPANY$11 k
HAMKER, WALLACE N. "B"APACHE CORPORATION$6 k
CRUISE EPHILLIPS PETROLEUM COMPANY$3 k
CROSS -F-PHILLIPS PETROLEUM COMPANY$2 k

Field number 11226800, from the Railroad Commission's field register. The register's own index resolves 91 leases and 219 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.