FIRST SHOT (AUSTIN CHALK), 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
82
with a page here
Operators
45
Value, all time
$179.3 M
77% of the register's 106
Discovered
1990-08-20
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 82 leases in this field that have a page here — 77% of the register's 106 — 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
Oil351875,617 bbl512 mcfcasinghead8,736,307 bblsince discovery

The discovery well's oil measured 33.3° API gravity, perforated at 11,369 ft.

Hydrogen sulphide

Spacing rule

What the Commission requires of a well on this field.

WellsRuleEffectiveFrom the lease lineBetween wellsAcres per unitMax diagonal
OilB2017-01-24330 ft0 ft16099,999 ft
OilO2017-01-24330 ft0 ft4099,999 ft

Commission remarks: 6 MONTH EXCEPTION TO SWR 51 (A)

County

Leases in this field

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

LeaseOperatorValue
E. E. SMITH UNIT 2ZARVONA ENERGY LLC$24.0 M
E. E. SMITH UNIT 1ZARVONA ENERGY LLC$13.7 M
LEWIS & CLARK 'S'MILLENNIUM EXPLORATION CO. LLC$10.4 M
WEBER AC UNITEOG RESOURCES, INC.$10.2 M
NORDIA GRANDEMAGNOLIA OIL & GAS OPERATING LLC$9.6 M
NORDIA GRANDE -A-MAGNOLIA OIL & GAS OPERATING LLC$6.6 M
COPELAND KARNESFW EAGLE FORD I, LLC$6.5 M
COPELAND, C.MAGNOLIA OIL & GAS OPERATING LLC$6.2 M
CUSACKEOG RESOURCES, INC.$5.3 M
CULPEPPER "A"CHESAPEAKE OPERATING, INC.$5.1 M
HUSEMANMODERN EXPLORATION, INC.$5.0 M
NORDIA GRANDE "D"MAGNOLIA OIL & GAS OPERATING LLC$4.5 M
NORDIA GRANDE "C"MAGNOLIA OIL & GAS OPERATING LLC$4.4 M
HANSEN AC UNITEOG RESOURCES, INC.$4.2 M
GEORGE UNITVSP OPERATING, LLC$4.0 M
GEORG UNIT 3VSP OPERATING, LLC$3.9 M
WARD-BILLINGSROSEWOOD RESOURCES, INC.$3.6 M
GEORGE UNIT 1VSP OPERATING, LLC$3.4 M
LESSORBARNETT ENERGY, INC.$3.4 M
SPAHNMAN UNITEOG RESOURCES, INC.$3.3 M
BARNHART "A"BARNHART CO LLC$3.2 M
DAVE HUSEMANMODERN EXPLORATION, INC.$2.7 M
PURDON, D. ET ALMARATHON OIL COMPANY$2.6 M
SMITH, E. E.1836 RESOURCES, LLC$2.4 M
PRESTONEOG RESOURCES, INC.$2.2 M
TEAM BANKCEI OPERATING LLC$2.1 M
RAGSDALEMARATHON OIL EF LLC$2.0 M
COPELAND-GSI #1HMILESTONE SMILEY, LLC$2.0 M
SMITH, E. E. JR. ESTATEHOPCO OPERATING, INC.$1.6 M
JEWETT, C. E.MODERN EXPLORATION, INC.$1.4 M
TROELL, E.MARATHON OIL EF LLC$1.3 M
MORGANWCS OIL AND GAS CORPORATION$1.3 M
SMITH, E. E. UNIT IIEOG RESOURCES, INC.$1.2 M
GRIFFINFW EAGLE FORD I, LLC$1.2 M
GERTIECHESAPEAKE OPERATING, INC.$1.1 M
BANKHEADWILSON, BILLY R.$1.1 M
FERDINANDWARWICK-ARTEMIS, LLC$1.0 M
NANCECHESAPEAKE OPERATING, INC.$982 k
SMITH, E.E. UNIT VIEOG RESOURCES, INC.$795 k
KOSAREKBLACKBRUSH O & G, INC.$709 k
ROBINSON-TROELLMARATHON OIL EF LLC$680 k
KOSWCS OIL AND GAS CORPORATION$678 k
TROELL, ET ALMARATHON OIL EF LLC$639 k
HOLUBCEI OPERATING LLC$583 k
CULPEPPER OIL UNITWILSON, BILLY R.$528 k
WEBER UNITMODERN EXPLORATION, INC.$450 k
BBX THUNDERBIRD UNIT #1BBX OPERATING, L.L.C.$413 k
DEMMER, H. C.GENESIS WELL SERVICE$378 k
CULPEPPER UNITWILSON, BILLY R.$344 k
SCHAEFER-MANFORD UNITBURLINGTON RESOURCES OIL&GAS CO.$330 k
SCHOENFELDLEEDE OIL & GAS INC.$326 k
MASELES, ET ALHUGHES, DAN A. COMPANY, L.P.$298 k
YORKCHESAPEAKE OPERATING, INC.$293 k
BILLINGS-GERHART UNITENDEAVOR ENERGY RESOURCES L.P.$284 k
CHIPPEWA-WARD-BILLINGSWILSON, BILLY R.$272 k
LEWIS & CLARK 'N'ZONE RIDGE OPERATING, LLC$272 k
BATEYCHESAPEAKE OPERATING, INC.$268 k
GEORGE UNIT 4MODERN EXPLORATION, INC.$241 k
WARD-BILLINGS -A-WILSON, BILLY R.$237 k
GREENWOODEMERALD OPERATING COMPANY, INC.$226 k
MANGUM UNITLUXEMBORG TRADING, LLC$210 k
BILLINGS , GORDON REXGEO-GRAPHIC PRODUCTION, INC.$184 k
ARAIZA, KEVIN S.WOOLDRIDGE OIL & GAS$182 k
MAALIWEBER ENERGY CORPORATION$141 k
BLUMBERGCOX & COX PRODUCTION CO.$111 k
SPRADLINBSE PRODUCTION CO.$75 k
CULPEPPERWILSON, BILLY R.$70 k
SOUTH COAST LUCASA.J.& M. OIL COMPANY$42 k
SMITH, E. E. -A-JEMCO PRODUCTION, INC$34 k
DOUBLE T RANCHFW EAGLE FORD I, LLC$20 k
GREENWOODBRAYTON OIL CORP.$17 k
GATTI-REILLY UNITR&R RESOURCES CORPORATION$13 k
WALTERSRAMPAGE EXPLORATION, INC.$10 k
PATILLOPEDECO, INC.$7 k
ELLISMODERN EXPLORATION, INC.$7 k
ALLEN, DORISCOX & PERKINS EXPLORATION, INC.$6 k
CURTCHESAPEAKE OPERATING, INC.$5 k
CULPEPPER OIL UNIT # 2TANA OIL AND GAS CORPORATION$3 k
BILLINGSCLARON CORPORATION$3 k
E.E. SMITH UNIT 3MODERN EXPLORATION, INC.$2 k
COOK, L. D. & SONSPEDECO, INC.$2 k
BANKHEAD, JESSIE A. G.TIZA OPERATING COMPANY$53

Field number 30967100, from the Railroad Commission's field register. The register's own index resolves 106 leases and 119 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.