SHACKELFORD COUNTY REGULAR (GAS), 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
104
with a page here
Operators
59
Value, all time
$43.8 M
38% of the register's 271
Discovered
1949-09-06
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 104 leases in this field that have a page here — 38% of the register's 271 — 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
Gas521465,803 mcf1,249 bblcondensate25,841,514 mcfsince 1970

Spacing rule

What the Commission requires of a well on this field.

The register files no field rule here. Statewide spacing applies.

County

Leases in this field

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

LeaseOperatorValue
MCLEMORE A-232SHAIDA, JOHN H.$3.2 M
STEPHENS "21"SOUTHERN EXPLORATION, INC.$2.4 M
WILLIAMS, LORENSEQUOIA ENERGY RESOURCES$2.3 M
SNYDERSTAR PRODUCTION, INC.$2.1 M
PRUET 88SEQUOIA NATURAL GAS, INC.$2.1 M
CRANDALLPETEX$1.8 M
NAIL XBJACOBS, C. E., CO.$1.7 M
REAMES "9"BASIN OPERATING INC.$1.6 M
ELLIOTTWHITT OIL & GAS, INC.$1.5 M
BROOKSROBUCK PETROLEUM, LLC$1.4 M
JAMESONGORDON B SERVICES LLC$1.4 M
CHISMBASIN OPERATING INC.$1.2 M
REAMES 'A'MILLENNIUM OPERATING COMPANY$1.1 M
GROTHE, M. L.KEATING ENERGY, INC.$1.1 M
W-BMARJAC OIL COMPANY, INC.$1.0 M
RICHTER 34KROH OPERATING LLC$975 k
WILLIAMS, LOREN 37SEQUOIA NATURAL GAS, INC.$858 k
COTTLE, JERRYEXPRO ENGINEERING, INC.$857 k
B & DTRIPLE SINGLETON, INC.$816 k
SOUTH GREEN 69BASIN OPERATING INC.$809 k
KEEFERSIRENA HOLDINGS LLC SERIES 1$800 k
COTTLEBAYOU OPERATING COMPANY, INC.$761 k
SEDWICK, J. F.BASIN OPERATING INC.$739 k
COOK "X", SEC. 63STASNEY WELL SERVICE, LLC$706 k
JAMESONGORDON B SERVICES LLC$566 k
HUDMANGORDON B SERVICES LLC$565 k
NAIL "99"M & K OPERATING LLC$557 k
SMITHSEQUOIA FOSSIL FUELS, INC.$557 k
HOOKER 23CDJ OIL COMPANY, LLC$479 k
ISABELLA MARIEDBC OPERATING COMPANY LLC$464 k
COLLINS CREEK SOUTH UNITJACOBS, C. E., CO.$437 k
GARRETTROBUCK PETROLEUM, LLC$415 k
HEIRS, TERRYLOW-END OIL LLC$410 k
WINDHAM "85"P.I.D. DRILLING INC$392 k
NAIL RANCHM & K OPERATING LLC$386 k
COMPTONSEQUOIA ENERGY RESOURCES$361 k
NAIL RANCHM & K OPERATING LLC$348 k
LANE, M.SEQUOIA ENERGY RESOURCES$336 k
JAMESONJ & W OIL CO.-W. F.$292 k
COOK, W. I. ESTATE, SEC. 64STASNEY WELL SERVICE, LLC$288 k
MOORELEONARD BROTHERS OPERATING CO.$266 k
DAVIS, MERRICKAMRWR, LLC$247 k
B & D "A"GORDON B SERVICES LLC$243 k
COTTLEBAYOU OPERATING COMPANY, INC.$242 k
MOORESEQUOIA ENERGY RESOURCES$204 k
NAIL, J.H. -D-CLAVO OIL, LLC$203 k
LUMMUS-COTTLE-ELLIOTTMCCLYMOND, LTD.$203 k
COTTLE, JERRYEXPRO ENGINEERING, INC.$193 k
NAIL WBJACOBS, C. E., CO.$176 k
PITTMAN GROUPHUGHES & PATTERSON OPER. CORP.$173 k
COTTLEBAYOU OPERATING COMPANY, INC.$161 k
COOK RANCHSTASNEY WELL SERVICE, LLC$157 k
LANE, M.ROYAL TEXAN ENERGY CO.$141 k
MUSSELMAN "29"MOMENTUM OPERATING CO., INC.$114 k
COOK RANCHSTASNEY, H. R. & SONS, LTD.$99 k
COOK RANCH 88STASNEY WELL SERVICE, LLC$98 k
MATTHEWSCDJ OIL COMPANY, LLC$98 k
MOORESEQUOIA ENERGY RESOURCES$93 k
HUDSON (SEC. 70)BUSTAMANTE RESOURCES LLC$75 k
WALKER-BUCKLER #1B GASBEEHIVE OPERATING, LLC$63 k
NAIL "93"COTTONWOOD PETROLEUM CO.$54 k
HUDMAN, E.E.SEQUOIA FOSSIL FUELS, INC.$36 k
NAIL,CHLOE AO'LEARY'S OIL & GAS INC.$34 k
CLOUD "44"BRECK OPERATING CORP.$28 k
WILLIAMS "11" UNITCONCHO OILFIELD SERVICE, INC.$27 k
SMITHJ & W OIL CO.-W. F.$26 k
NAILM & K OPERATING LLC$24 k
CARTER ESTATEWHITT OIL & GAS, INC.$24 k
BURTON, ALTON UNITHOGAN, WAYNE OIL CO.$19 k
FORT GRIFFIN 3-DP. R. L. OIL COMPANY$18 k
NAIL "136"STASNEY, H. R. & SONS, LTD.$17 k
MONTGOMERYMONTGOMERY ROYALTY$16 k
HENDRICK 43/280STOVALL OPERATING CO.$16 k
HENDRICKS S 28/27 340STOVALL OPERATING CO.$16 k
WALKER-BUCKLER TRUST-TRACT 15KEATING ENERGY, INC.$12 k
HOOKER, FAYARNOT, W. G., JR.$11 k
NAIL NFJACOBS, C. E., CO.$7 k
NAIL "121"STASNEY, H. R. & SONS, LTD.$7 k
MCCOYJTC ROYALTIES LLC$6 k
CHANEYROYAL TEXAN ENERGY CO.$6 k
MATTHEWS 45JACOBS, C. E., CO.$4 k
FLIPPEN "36"GEONATURAL RESOURCES, INC.$4 k
GRETA ELLIS "D"WHITT OIL & GAS, INC.$3 k
FLIPPEN "69"GEONATURAL RESOURCES, INC.$3 k
CARTER ESTATELARRY OIL, INC.$1 k
JAMESONJ & W OIL CO.-W. F.$578
COOK RANCHBRECK OPERATING CORP.$509
NAIL B-9M & K OPERATING LLC$258
SHELTON-PIPPENBACON ENERGY$69
GRIMES, I.CDJ OIL CO.$34
GRIMES, ICDJ OIL CO.$29
NAIL, CHLOE A.FWL OPERATING COMPANY
KING, J. CARTER JR. (X)ALBANY CEMENTING COMPANY
NAIL WKJACOBS, C. E., CO.
JAMESONB & D ENTERPRISES
POOL, R.BSTANLEY, GARY O.
FARMER AFARMER, BILL OIL
COOK, W.I. ESTATE, SEC. 139STASNEY, H. R. & SONS, LTD.
LAMBSHEAD A4THROCKMORTON OIL, INC.
SMITH, PATTIEGEONATURAL RESOURCES, INC.
CASEY, ETHEL MATHEWS "4"NICHOLSON OIL & GAS
HENDRICKS-SHACKELFORDTRI SPORTSMEN ENERGY, INC.
HENDRICK-COOKTRI SPORTSMEN ENERGY, INC.
NAIL, CHLOE AFWL OPERATING COMPANY

Field number 82522025, from the Railroad Commission's field register. The register's own index resolves 271 leases and 271 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.