SAWYER (CANYON), District 7C, 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
6,163
with a page here
Operators
58
Value, all time
$5.94 bn
93% of the register's 6,629
Discovered
1967-07-01
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 6,163 leases in this field that have a page here — 93% of the register's 6,629 — 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
Gas5,5484,29812,007,478 mcf25,348 bblcondensate2,099,398,477 mcfsince 1970

Spacing rule

What the Commission requires of a well on this field.

WellsRuleEffectiveFrom the lease lineBetween wellsAcres per unitMax diagonal
GasB2003-06-24500 ft1,000 ft3206,000 ft
GasO2003-06-24500 ft1,000 ft403,250 ft

Commission remarks: FIELD PER ORDER 7C-0234582 6/2403

County

Leases in this field

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

Showing the 200 largest of 6,163 leases, by the value we compute. Every one of them is in the sitemap.

LeaseOperatorValue
MAYER, EDWIN S. JR. 27UPP OPERATING, LLC$14.7 M
MEADOR 178UPP OPERATING, LLC$8.8 M
MAYER, EDWIN S. JR. "E"UPP OPERATING, LLC$8.8 M
FBE 13-11HENRY PETROLEUM LLC$8.3 M
BROWN/WHITEHEAD 2UPP OPERATING, LLC$7.3 M
ALDWELL, WINNIE R. TRUST "I"UPP OPERATING, LLC$6.9 M
HUNT 24UPP OPERATING, LLC$6.8 M
WILSON, DUKE 172UPP OPERATING, LLC$6.8 M
WILSON, DUKEUPP OPERATING, LLC$6.5 M
MAYER 21UPP OPERATING, LLC$6.4 M
FIELDS 55UPP OPERATING, LLC$6.2 M
BAKER, ROYUPP OPERATING, LLC$6.2 M
HUNT 24UPP OPERATING, LLC$6.1 M
MAYER, EDWIN S. JR. "D"UPP OPERATING, LLC$6.0 M
MARIGLIANOUPP OPERATING, LLC$6.0 M
JEFFERS 28AUPP OPERATING, LLC$5.8 M
MARTINUPP OPERATING, LLC$5.6 M
HILL-RAY, MAY M. "F"UPP OPERATING, LLC$5.6 M
HILL-MAYRAY "D"UPP OPERATING, LLC$5.6 M
WILSON, DUKEUPP OPERATING, LLC$5.6 M
MAYFIELD 39UPP OPERATING, LLC$5.4 M
WILSON, DUKE "A"UPP OPERATING, LLC$5.4 M
MAYER, EDWIN S. JR. "K"UPP OPERATING, LLC$5.4 M
HOLMANUPP OPERATING, LLC$5.4 M
FIELDS 55UPP OPERATING, LLC$5.3 M
BROWN RANCH B-146UPP OPERATING, LLC$5.2 M
WILSON, DUKEUPP OPERATING, LLC$5.2 M
DUKE WILSSON 189UPP OPERATING, LLC$5.2 M
MAYER RANCH 35UPP OPERATING, LLC$5.1 M
DAVIS, N. B.HENRY PETROLEUM LLC$5.1 M
MAYER, EDWIN S. JR. 27UPP OPERATING, LLC$5.1 M
HILL ALDWELL, WINNIE R. TRUST GUPP OPERATING, LLC$5.0 M
MITCHELL, TOM 2UPP OPERATING, LLC$4.9 M
MAYER, EDWIN S. JR. NUPP OPERATING, LLC$4.9 M
MITCHELL -8-UPP OPERATING, LLC$4.9 M
CANYON RANCHUPP OPERATING, LLC$4.9 M
JONES RANCH 157UPP OPERATING, LLC$4.8 M
FAWCETT, RANDEE TRUST "C"UPP OPERATING, LLC$4.8 M
DAVISHENRY PETROLEUM LLC$4.8 M
MAYFIELD 33UPP OPERATING, LLC$4.8 M
SHURLEY RR 9UPP OPERATING, LLC$4.8 M
MAYER, EDWIN S. JR. "E"UPP OPERATING, LLC$4.7 M
MAYFIELD 32UPP OPERATING, LLC$4.7 M
FRIEND, JOE ESTATEUPP OPERATING, LLC$4.6 M
SIMMONS 3UPP OPERATING, LLC$4.5 M
HILL-MAYER, EDWIN S., JR. AAUPP OPERATING, LLC$4.5 M
CANYON RANCHUPP OPERATING, LLC$4.4 M
SHURLEY RR 5UPP OPERATING, LLC$4.4 M
WHITEHEAD 9UPP OPERATING, LLC$4.4 M
WILSON, DUKE 187UPP OPERATING, LLC$4.4 M
WILSON, DUKEUPP OPERATING, LLC$4.3 M
WILSON, DUKEUPP OPERATING, LLC$4.3 M
EPPS, H. C. 38UPP OPERATING, LLC$4.3 M
MAYER 21UPP OPERATING, LLC$4.3 M
MAYER 3CUPP OPERATING, LLC$4.3 M
HOLMANUPP OPERATING, LLC$4.3 M
GENINIROBERT C. BROWER, LLC$4.3 M
MAYER 3BUPP OPERATING, LLC$4.3 M
MAYER 21UPP OPERATING, LLC$4.3 M
WILSON, DUKE 21UPP OPERATING, LLC$4.3 M
MAYER, EDWIN S. JR. "N"UPP OPERATING, LLC$4.3 M
CANYON RANCHUPP OPERATING, LLC$4.2 M
MAYFIELD 41UPP OPERATING, LLC$4.2 M
WILSON, DUKE 185UPP OPERATING, LLC$4.2 M
HUNT 19UPP OPERATING, LLC$4.2 M
KIRBY 183UPP OPERATING, LLC$4.2 M
JENKINS, F. J. "D"UPP OPERATING, LLC$4.2 M
HILL-MAYER, EDWIN S., JR 'Y'UPP OPERATING, LLC$4.2 M
WHITWORTH, C. O.UPP OPERATING, LLC$4.1 M
FBE 13-12SHAIDA, JOHN H.$4.1 M
MAYERUPP OPERATING, LLC$4.1 M
BROWN/WHITEHEAD 2UPP OPERATING, LLC$4.0 M
RICHARDSON 4UPP OPERATING, LLC$4.0 M
HUDSPETH 54UPP OPERATING, LLC$4.0 M
GENINI 128ROBERT C. BROWER, LLC$4.0 M
WALLACE, G. D.LAKESHORE OPERATING, LLC$3.9 M
MAYER, EDWIN S. JR. NUPP OPERATING, LLC$3.9 M
GENINIROBERT C. BROWER, LLC$3.9 M
CANYON RANCHUPP OPERATING, LLC$3.9 M
GENINIROBERT C. BROWER, LLC$3.8 M
GENINIROBERT C. BROWER, LLC$3.8 M
GENINIROBERT C. BROWER, LLC$3.8 M
WALLACE, G. D.LAKESHORE OPERATING, LLC$3.8 M
SIMMONS 72UPP OPERATING, LLC$3.8 M
DUKE WILSON 187UPP OPERATING, LLC$3.7 M
MAYER 1028UPP OPERATING, LLC$3.7 M
WALLACE, G. D.HENRY PETROLEUM LLC$3.7 M
WILSON, DUKEUPP OPERATING, LLC$3.6 M
WALLACE, G. D.LAKESHORE OPERATING, LLC$3.6 M
MARIGLIANOUPP OPERATING, LLC$3.6 M
FRIEND, JOE ESTATEUPP OPERATING, LLC$3.6 M
MAYER 3CUPP OPERATING, LLC$3.6 M
MAYER 19UPP OPERATING, LLC$3.6 M
WILSON, DUKEUPP OPERATING, LLC$3.6 M
JEFFERS 18UPP OPERATING, LLC$3.5 M
WILSON, DUKEUPP OPERATING, LLC$3.5 M
VANDERSTUCKEN, JOE M.UPP OPERATING, LLC$3.5 M
SHURLEY 94UPP OPERATING, LLC$3.5 M
WILSON, DUKEUPP OPERATING, LLC$3.5 M
DUKE WILSONUPP OPERATING, LLC$3.5 M
CARTAROBERT C. BROWER, LLC$3.5 M
VANDERSTUCKEN, J. M.UPP OPERATING, LLC$3.5 M
DUKE WILSON 188UPP OPERATING, LLC$3.5 M
MAYER, EDWIN S., JR. "E"UPP OPERATING, LLC$3.5 M
MAYFIELD 40UPP OPERATING, LLC$3.4 M
JEFFERS 28AUPP OPERATING, LLC$3.4 M
MAYER RANCH 35UPP OPERATING, LLC$3.4 M
WALLACE, G. D.LAKESHORE OPERATING, LLC$3.4 M
VALLIANT, L. R.UPP OPERATING, LLC$3.4 M
SHURLEYUPP OPERATING, LLC$3.4 M
MIERS, W. L. -C-LAKESHORE OPERATING, LLC$3.4 M
BROWN/WHITEHEAD 2UPP OPERATING, LLC$3.4 M
BAKER, ROY 49GRACE PETROLEUM OPERATING, LLC$3.4 M
WALLACE, G. D.LAKESHORE OPERATING, LLC$3.3 M
BROWN, JACK W. A.UPP OPERATING, LLC$3.3 M
KELLY 125UPP OPERATING, LLC$3.3 M
SHANNON 51UPP OPERATING, LLC$3.3 M
ALDWELL, WINNIE R. TRUSTUPP OPERATING, LLC$3.3 M
GENINI 128ROBERT C. BROWER, LLC$3.3 M
CANYON RANCHUPP OPERATING, LLC$3.3 M
FIELDS 55UPP OPERATING, LLC$3.3 M
MAYFIELD 33UPP OPERATING, LLC$3.3 M
JENKINS, F. J. "D"UPP OPERATING, LLC$3.3 M
MAYER 21UPP OPERATING, LLC$3.3 M
FRIEND, JOE ESTATEUPP OPERATING, LLC$3.3 M
GLASSCOCK, H.E. ET ALUPP OPERATING, LLC$3.3 M
FAWCETT, BOBBY H.UPP OPERATING, LLC$3.3 M
MAYER, EDWIN S. JR. NUPP OPERATING, LLC$3.3 M
HILL-MAYER, EDWIN S. JR. "LL"UPP OPERATING, LLC$3.2 M
WALLACE, G. D.LAKESHORE OPERATING, LLC$3.2 M
VANDERSTUCKEN, JOE M.UPP OPERATING, LLC$3.2 M
MAYER 4 LTDUPP OPERATING, LLC$3.2 M
SHURLEY RR 1BUPP OPERATING, LLC$3.2 M
WHITEHEAD 2UPP OPERATING, LLC$3.2 M
WHITWORTH, C. O.UPP OPERATING, LLC$3.2 M
WALLACE, G. D.LAKESHORE OPERATING, LLC$3.2 M
MITCHELL, TOM 1UPP OPERATING, LLC$3.2 M
HICKS 35UPP OPERATING, LLC$3.2 M
MAYER 21UPP OPERATING, LLC$3.2 M
WILSON, DUKE 187UPP OPERATING, LLC$3.2 M
GENINIROBERT C. BROWER, LLC$3.2 M
RICHARDSON 4UPP OPERATING, LLC$3.2 M
WHITWORTH, C. O.UPP OPERATING, LLC$3.2 M
SHURLEY RR 6UPP OPERATING, LLC$3.2 M
SHURLEY RR 1AUPP OPERATING, LLC$3.1 M
WILSON, DUKEUPP OPERATING, LLC$3.1 M
KARNES, W. H. "C"UPP OPERATING, LLC$3.1 M
WALLACE, G. D.LAKESHORE OPERATING, LLC$3.1 M
VALLIANT, L. R.UPP OPERATING, LLC$3.1 M
WILSON, DUKE 188UPP OPERATING, LLC$3.1 M
HILL-MAYER, EDWIN S. JR. "J"UPP OPERATING, LLC$3.1 M
WALLACE, D. 74XOG OPERATING LLC$3.1 M
MIERS, W. L. -B-LAKESHORE OPERATING, LLC$3.1 M
WILSON, DUKE 171UPP OPERATING, LLC$3.1 M
HUDSPETH HUPP OPERATING, LLC$3.1 M
WILSON, DUKEUPP OPERATING, LLC$3.1 M
SHURLEY 142UPP OPERATING, LLC$3.1 M
CAUTHORN, MACK "129"UPP OPERATING, LLC$3.1 M
DUKE WILSON 171UPP OPERATING, LLC$3.1 M
WILSON, DUKE 172UPP OPERATING, LLC$3.0 M
CANYON RANCH 114UPP OPERATING, LLC$3.0 M
WILSON, DUKEUPP OPERATING, LLC$3.0 M
MAYFIELD 46UPP OPERATING, LLC$3.0 M
HILL-MAYER, EDWIN, S JR. "DD"UPP OPERATING, LLC$3.0 M
MAYER 17UPP OPERATING, LLC$3.0 M
MAYFIELD 33UPP OPERATING, LLC$3.0 M
MAYER 20AUPP OPERATING, LLC$3.0 M
KARNES, W. H. "C"UPP OPERATING, LLC$3.0 M
HUDSPETH 51UPP OPERATING, LLC$3.0 M
MARIGLIANOUPP OPERATING, LLC$3.0 M
SHURLEY RR 2AUPP OPERATING, LLC$3.0 M
HUDSPETH "B"UPP OPERATING, LLC$3.0 M
CANYON RANCHUPP OPERATING, LLC$3.0 M
KARNES, W.H. "C"UPP OPERATING, LLC$3.0 M
WALLACE, G. D.LAKESHORE OPERATING, LLC$3.0 M
WILSON, DUKEUPP OPERATING, LLC$3.0 M
MAYER 20UPP OPERATING, LLC$2.9 M
CANYON RANCH 106UPP OPERATING, LLC$2.9 M
CAUTHORN, MACK "129"UPP OPERATING, LLC$2.9 M
WALLACE, G. D.LAKESHORE OPERATING, LLC$2.9 M
BERGER "A"ROBERT C. BROWER, LLC$2.9 M
SHURLEY RR 8UPP OPERATING, LLC$2.9 M
MAYER, EDWIN S. JR. 27UPP OPERATING, LLC$2.9 M
HILL-FAWCETT, RANDEE "G"UPP OPERATING, LLC$2.9 M
WALLACE, G. D.LAKESHORE OPERATING, LLC$2.9 M
KELLY 115UPP OPERATING, LLC$2.9 M
JEFFERS 28AUPP OPERATING, LLC$2.9 M
NOBLES RANCH "A"UPP OPERATING, LLC$2.9 M
BROWN/WHITEHEAD 2UPP OPERATING, LLC$2.9 M
WALLACE, G. D.LAKESHORE OPERATING, LLC$2.9 M
SAWYER-JONESHENRY PETROLEUM LLC$2.9 M
CARTA 103ROBERT C. BROWER, LLC$2.9 M
BROWN/WHITEHEAD 2UPP OPERATING, LLC$2.9 M
DUKE WILSON 188UPP OPERATING, LLC$2.9 M
MAYER 17UPP OPERATING, LLC$2.9 M
VALLIANT, L. R.UPP OPERATING, LLC$2.9 M
WILSON, DUKEUPP OPERATING, LLC$2.9 M
MAYER RANCH 35UPP OPERATING, LLC$2.9 M
DUKE WILSON 188UPP OPERATING, LLC$2.9 M
POWELL 23UPP OPERATING, LLC$2.9 M

Field number 81267333, from the Railroad Commission's field register. The register's own index resolves 6,629 leases and 6,629 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.