DUNLAP, District 01, 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
136
with a page here
Operators
48
Value, all time
$77.7 M
69% of the register's 196
Discovered
1939-07-15
Oil

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 136 leases in this field that have a page here — 69% of the register's 196 — 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
Oil35023723,527 bbl0 mcfcasinghead9,090,516 bblsince discovery

The discovery well's oil measured 38.0° API gravity, perforated at 2,250 ft.

Hydrogen sulphide

Spacing rule

What the Commission requires of a well on this field.

WellsRuleEffectiveFrom the lease lineBetween wellsAcres per unitMax diagonal
OilB150 ft300 ft2500 ft

Commission remarks: 2.07 ACRE UNITS & 1 ACRE 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
THOMAS & WHITTINGTONB. J. P. OPERATING$12.4 M
CARTER, A. J.TEXSTAR OIL & GAS, LLC$4.7 M
KNICKERBOCKER, J. -A-GAUGE OIL COMPANY$4.0 M
LULING AIRPORTBBC PRODUCTION COMPANY INC.$3.7 M
DUNLAP, N. L., MRS., EST. -B-LLT ENERGY, INC.$3.4 M
ROSS, C. E.GAUGE OIL COMPANY$3.3 M
THOMAS & WHITTINGTON FEESHEFTS & SHEFTS, INC.$2.4 M
MOONEY, ISAACBBC PRODUCTION COMPANY INC.$2.0 M
RODENBERG, ALTON T.QQD ENERGY, LLC$2.0 M
MCCOLLUM, A. W. -A-CHEATHAM WELL SERVICE, INC.$1.9 M
WEAKLEY, JORDON ESTATE UNITBBC PRODUCTION COMPANY INC.$1.8 M
BODINE - JOSLINB. J. P. OPERATING$1.6 M
PIERCE, JOHN R.PETROLEUM RECOVERY SYSTEMS, L.C.$1.6 M
APPLING, C. F.B. J. P. OPERATING$1.5 M
RODENBURG, ALTON T.VIVA PETROL LLP$1.4 M
THOMAS & WHITTINGTON -B-B. J. P. OPERATING$1.4 M
HODGEBBC PRODUCTION COMPANY INC.$1.3 M
WALKERPROLINE ENERGY RESOURCES INC$1.2 M
LOVE, JOHN L.SOLUTIONS PROJ AND CONSULT, LLC$1.2 M
HAASS, PAUL F. JR. "A"ENHANCED RS, INC.$1.2 M
WALKER, G. C.A2C ENERGY LLC$1.2 M
APPLING, HESTERGAUGE OIL COMPANY$1.1 M
ROSS, C.E. -B-CENTEX PIPE & EQUIPMENT, INC.$1.1 M
HARDEMAN-TURNER UNITBBC PRODUCTION COMPANY INC.$1.0 M
LULING AIRPORTORIGIN PRODUCTION COMPANY, INC.$967 k
CONLEY, LILLIANGAUGE OIL COMPANY$964 k
OBREGON BLULING WELL SERVICE$953 k
RABB, BESSIEBUONADONNA OIL LLC$943 k
CASTER, CLEMMIETEXSTAR OIL & GAS, LLC$831 k
DORN UNITBBC PRODUCTION COMPANY INC.$804 k
APPLING, ROSSBUONADONNA OIL LLC$769 k
TILLER, L. L.LLT ENERGY, INC.$749 k
APPLING, COLLIE B.BUONADONNA OIL LLC$745 k
TILLEY, D.PETROLEUM RECOVERY SYSTEMS, L.C.$726 k
THOMAS & WHITTINGTON -D-BUONADONNA OIL LLC$708 k
GREINER, FRED P.VIVA PETROL LLP$682 k
APPLING-RABBTEXSTAR OIL & GAS, LLC$620 k
DUNLAP, MRS. N. L., EST. -A-LLT ENERGY, INC.$604 k
BUCHHOLTZ, A.M.BBC PRODUCTION COMPANY INC.$513 k
HOYLE, L.PETROLEUM RECOVERY SYSTEMS, L.C.$508 k
NORTH, HALBBC PRODUCTION COMPANY INC.$445 k
LOVE, JOHN L. -C-SOLUTIONS PROJ AND CONSULT, LLC$375 k
WHITTINGTON -D-R & S OIL PRODUCTION CO.$359 k
NELSON, STANLEYPETROLEUM RECOVERY SYSTEMS, L.C.$338 k
APPLING, C. F. ESTATEK AND R OPERATING$323 k
FIELDS, FRANCES -A-GEOMEG ENERGY OPERATING CO., LLC$321 k
HARDEMAN, L.A.BBC PRODUCTION COMPANY INC.$320 k
WARNCKE-JOSLIN -A-TEXSTAR OIL & GAS, LLC$316 k
APPLING, C. F. /RABB/K AND R OPERATING$302 k
HAMMERHEADPETROLEUM RECOVERY SYSTEMS, L.C.$246 k
BOZO RANCHBBC PRODUCTION COMPANY INC.$230 k
SPRAGUE, DELIAKIDD PRODUCTION CO.$216 k
FRANK, W.O.LLT ENERGY, INC.$215 k
APPLING, C. F.BUONADONNA OIL LLC$194 k
J. R. CARTERENHANCED RS, INC.$177 k
PIERCE, JOHN R.RED SHELL INC$176 k
RABB, W.K AND R OPERATING$172 k
LOVE, JOHN L. -A-SOLUTIONS PROJ AND CONSULT, LLC$166 k
CARTER, E. L., -A-KIDD PRODUCTION CO.$125 k
DORN, LEROY J.KIDD PRODUCTION CO.$124 k
CARTER, H.ENHANCED RS, INC.$124 k
MCCOLLUM, A.W. -A-TEJONES OPERATING CORPORATION$120 k
LOVE, JOHNSOLUTIONS PROJ AND CONSULT, LLC$116 k
TURNER, JESSE, JR., ETALB.O. OIL COMPANY$100 k
BLACKMAR, JIM FEEEAGLE FORD OIL CO., INC.$99 k
SVOBODA, J.A.EAGLE FORD OIL CO., INC.$76 k
MCCOLLUM, A.W. -B-TEJONES OPERATING CORPORATION$75 k
PIERCE, JOHN -B-AXIS ENERGY CORPORATION$71 k
ROSS, C.E. -C-EAGLE FORD OIL CO., INC.$65 k
THOMAS & WHITTINGTONEAGLE FORD OIL CO., INC.$64 k
RODENBERG, ALTON T. (II)GAUGE OIL COMPANY$62 k
TURNERB.O. OIL COMPANY$62 k
PIERCE, J.R. "C"AXIS ENERGY CORPORATION$58 k
HUFF, CURTIS L.EAGLE FORD OIL CO., INC.$53 k
SPRAGUE, DELIA -A-QUEST EMG, INC.$52 k
KIMBALL, R.B. -A-COLE, FRANK W ENGINEERING$50 k
WALKER-C-PETROSAURUS, INC.$44 k
APPLING, COLLIEKIDD PRODUCTION CO.$42 k
PIERCE, J.R.-E-AXIS ENERGY CORPORATION$40 k
RODENBERG, ALTON T. -BB-GAUGE OIL COMPANY$40 k
RODENBERG, ALTON T. -B-GAUGE OIL COMPANY$39 k
BURRIS, M.J. -A-LEVIATHAN WELL SOLUTIONS, LP$36 k
RODENBURG, A.T. "B"GAUGE OIL COMPANY$36 k
NORTH, MARY HEIRSPETROSAURUS, INC.$35 k
PIERCE, JOHN R. -B-GINCO OPERATING CO.$35 k
MOODY-BAKERAUSTIN OPERATING, LLC.$33 k
MCCOLLUM, A. W. "C"TEJONES OPERATING CORPORATION$29 k
RODENBURG, A. T.GAUGE OIL COMPANY$28 k
PIERCE, J.R. -D-AXIS ENERGY CORPORATION$28 k
WALKER, P. L.GINCO OPERATING CO.$24 k
CONLEY/ARCOS & T SALVAGE$24 k
WALKER, MRS. G. C. -B-GREAT PLAINS RESOURCES, INC.$24 k
ROSS, A.KIDD PRODUCTION CO.$24 k
BASSETT UNITOFFSPRING WELL SALVAGE$23 k
BURRIS, M.J. -B-AUSTIN OPERATING, LLC.$22 k
GAMBRELL, W.M. -A-CHESSHER, OTTO DRILLING COMPANY$22 k
CONLEY/ARCO #7S & T SALVAGE$22 k
SMITH -A-AUSTIN OPERATING, LLC.$20 k
WALKER, G. C.GINCO OPERATING CO.$19 k
FAIRCHILD, J.M.PETROSAURUS, INC.$18 k
RODENBERG, ALTON T. -A-GAUGE OIL COMPANY$18 k
CARTER, JENNIE, -A-CARTER, A.J. PRODUCTION CO.$17 k
RODENBERG, ALTON T. -A-EAGLE FORD OIL CO., INC.$16 k
BRIDGES, A. C.GREAT PLAINS RESOURCES, INC.$16 k
CARTER, ROBERTCARTER, A.J. PRODUCTION CO.$15 k
MCCOLLUM, A. W. "D"TEJONES OPERATING CORPORATION$14 k
CONLEY/ARCO 3&4S & T SALVAGE$13 k
APPLING, COLLIE B.KIDD PRODUCTION CO.$13 k
WILLIAMSWILLIAMS, BILL V.$12 k
WARNCKE-JOSLIN -B-AUSTIN OPERATING, LLC.$11 k
GLASS, CARL M.GLASS OIL & CATTLE COMPANY$9 k
APPLING, WILLIE, -B-AUSTIN OPERATING, LLC.$8 k
PURCELL, C. E.GINCO OPERATING CO.$8 k
WALKER -A-SHWJ OIL & GAS CO., INC.$7 k
LOW, N.R.AUSTIN OPERATING, LLC.$6 k
STREETY, C.B.FIVE STAR ENERGY, INC.$6 k
APPLING, WILLIEAUSTIN OPERATING, LLC.$6 k
WILSON, THOMASVIVA PETROL LLP$6 k
RABB, BESSIEAUSTIN OPERATING, LLC.$5 k
RABB, BESSSTAN'S SERVICES$4 k
BARRIOS, MIKE ET ALAHABB OIL$4 k
KIMBALL, R.B.BASTROP OIL & GAS, INC.$4 k
CARTER, JENNIECARTER, A.J. PRODUCTION CO.$4 k
RODENBERG, ALTON T.T. A. W. COMPANY$3 k
KIMBALL, R.B. -B-BASTROP OIL & GAS, INC.$3 k
BAKER "A"GREAT PLAINS RESOURCES, INC.$2 k
WALKER, G.C.BLACK GOLD, OPERATING$2 k
DUNLAP, N. L., MRS. -B-LLT ENERGY, INC.$1 k
TILLEY, DOYLE R. "A"PERFETTO, FRANK J$894
BAKER, TOM H.,-E-GREAT PLAINS RESOURCES, INC.$794
CARTER, E. L.KIDD PRODUCTION CO.$435
CARTER, E.L. BKIDD PRODUCTION CO.$377
NORTH, MILLIE HEIRSAHABB OIL$332
FRAZIERGREAT PLAINS RESOURCES, INC.$44
BAKER, TOM H., -C-GREAT PLAINS RESOURCES, INC.
RODENBURG, ALTON TGREAT PLAINS RESOURCES, INC.

Field number 26620001, from the Railroad Commission's field register. The register's own index resolves 196 leases and 727 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.