AZALEA (DEVONIAN), District 08, 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
97
with a page here
Operators
35
Value, all time
$158.8 M
40% of the register's 244
Discovered
1957-03-02
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 97 leases in this field that have a page here — 40% of the register's 244 — 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
Oil1663,828 bbl76,317 mcfcasinghead2,402,881 bblsince discovery
Gas11494,565 mcf1,536 bblcondensate58,061,596 mcfsince 1970

The discovery well's oil measured 47.5° API gravity, perforated at 11,520 ft.

Spacing rule

What the Commission requires of a well on this field.

WellsRuleEffectiveFrom the lease lineBetween wellsAcres per unitMax diagonal
OilB2002-03-01467 ft1,200 ft400 ft
GasB660 ft2,640 ft3206,000 ft

Commission remarks: PSUEDO RULES FRO HORIZONTALS

County

Leases in this field

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

LeaseOperatorValue
CRESPI UNIT 1DIAMONDBACK E&P LLC$10.4 M
TURNER 42OXYROCK OPERATING, LLC$8.5 M
SARAHCRESCENT ENERGY OPERATING, LLC$8.0 M
FLOYD "16"COG OPERATING LLC$6.9 M
BUCHANAN 31EXTEX OPERATING COMPANY$6.3 M
BUCHANAN "F"PIONEER NATURAL RES. USA, INC.$6.0 M
MCCLINTIC "60"COG OPERATING LLC$5.4 M
BUCHANAN "B"DIAMONDBACK E&P LLC$5.0 M
RAGGETTBURLESON PETROLEUM, INC.$4.9 M
ELKIN "44"DIAMONDBACK E&P LLC$4.9 M
EVANS EENDEAVOR ENERGY RESOURCES L.P.$4.6 M
CITY OF MIDLAND "44"PETROPLEX ENERGY INC.$4.6 M
GOLLADAYMURCHISON OIL AND GAS, LLC$4.3 M
GOLLADAY -51-PIONEER NATURAL RES. USA, INC.$4.2 M
KING "A" UNITDE3 OPERATING LLC$4.1 M
KING "E"PIONEER NATURAL RES. USA, INC.$3.8 M
GOLLADAYPIONEER NATURAL RES. USA, INC.$3.4 M
MCCLINTIC -H-PIONEER NATURAL RES. USA, INC.$3.3 M
HALE, EVA "12A"ENDEAVOR ENERGY RESOURCES L.P.$3.2 M
SPINKSBURLESON PETROLEUM, INC.$3.1 M
BUCHANAN "C"ENDEAVOR ENERGY RESOURCES L.P.$3.0 M
SANDEFURSOUTHWEST ROYALTIES, INC.$3.0 M
BRYANT "B"BURLESON PETROLEUM, INC.$3.0 M
SHACKELFORD "34"COG OPERATING LLC$2.4 M
GOLLADAYLANGFORD & BRIGHAM OPERATING LLC$2.4 M
KING "E"PIONEER NATURAL RES. USA, INC.$2.4 M
OSWALDTC OIL AND GAS, LLC$2.3 M
MEISSNERV-F PETROLEUM INC.$2.1 M
FASKEN, A., ESTATEPIONEER NATURAL RES. USA, INC.$2.1 M
ROBINSON "A"DIAMONDBACK E&P LLC$2.0 M
WINKLEMAN "B"PIONEER NATURAL RES. USA, INC.$1.9 M
GERMANIAPIONEER NATURAL RES. USA, INC.$1.9 M
SPINKS "12"PIONEER NATURAL RES. USA, INC.$1.8 M
COX UNIT "54" #2PIONEER NATURAL RES. USA, INC.$1.7 M
GOLLADAYPIONEER NATURAL RES. USA, INC.$1.6 M
MCALISTER, O. H. -C-WTG EXPLORATION$1.5 M
SANDEFUR "A"SOUTHWEST ROYALTIES, INC.$1.3 M
DONOVANCONOCOPHILLIPS COMPANY$1.1 M
WHITEFIELD, J. W.WTG EXPLORATION$1.1 M
ANDERSONENDEAVOR ENERGY RESOURCES L.P.$1.1 M
CASBEER UNITENDEAVOR ENERGY RESOURCES L.P.$1.0 M
DOVIE "38"ENDEAVOR ENERGY RESOURCES L.P.$1.0 M
BRETHERNDIAMONDBACK E&P LLC$1.0 M
SANDEFER "37A"ENDEAVOR ENERGY RESOURCES L.P.$984 k
KING "E"PIONEER NATURAL RES. USA, INC.$853 k
GOLLADAY -C-BURLESON PETROLEUM, INC.$810 k
MCCLINTIC "60"RICKS EXPLORATION, INC.$774 k
COLEMAN, BEULAHLARIO OIL & GAS COMPANY$745 k
BUCHANAN "D"ENDEAVOR ENERGY RESOURCES L.P.$657 k
BRYANT "B"PHILLIPS PETROLEUM COMPANY$655 k
SANDEFUR "A"SOUTHWEST ROYALTIES, INC.$485 k
KING UNITPIONEER NATURAL RES. USA, INC.$476 k
MIDLAND FEE UNITTEXACO E & P INC.$402 k
BUCHANAN "H"#2-32ENDEAVOR ENERGY RESOURCES L.P.$395 k
FASKEN -C-MURCHISON OIL & GAS INC$378 k
HALE, B. T.ENDEAVOR ENERGY RESOURCES L.P.$335 k
CRAWFORD-GLENN "41" UNITENDEAVOR ENERGY RESOURCES L.P.$291 k
FASKEN -F-MURCHISON OIL & GAS INC$267 k
SHACKELFORD PECKPIONEER NATURAL RES. USA, INC.$245 k
BUCHANAN "A"CONOCOPHILLIPS COMPANY$241 k
EPLEY, L. B.ENERGEN RESOURCES CORPORATION$229 k
KLAPPROTHMGM OIL & GAS COMPANY$220 k
ELKINS "42A"ENDEAVOR ENERGY RESOURCES L.P.$207 k
ELKINPIONEER NATURAL RES. USA, INC.$188 k
OLDHAMENERGEN RESOURCES CORPORATION$119 k
PRICE, CURTISWTG EXPLORATION$112 k
PERRYMANSOUTHWEST ROYALTIES, INC.$110 k
MCALISTER, O. H. BWTG EXPLORATION$96 k
GOLLADAY -B-MURCHISON OIL & GAS INC$96 k
FASKEN FMURCHISON OIL & GAS INC$93 k
RAGGETTWIND RIVER ENERGY, INC.$92 k
TURNER, MARY E. -D-EXXON CORP.$73 k
TRUELOVESOUTHWEST ROYALTIES, INC.$67 k
CITY OF MIDLAND '44'PETROPLEX ENERGY INC.$45 k
BENTON, MICHELLECANDELERO OIL & GAS COMPANY$44 k
ANDERSONCENTRAL TEXAS OPERATING, INC.$38 k
LESTER TRUST "2"PIONEER NATURAL RES. USA, INC.$32 k
FASKENTEMPO ENERGY, INC.$30 k
PENROSE-OLDHAM "27"DIAMONDBACK E&P LLC$28 k
NICHOLSSMITH BROS. CASING PULLERS, INC.$27 k
BRYANT "B"PARKER & PARSLEY DEVELOPMENT L.P$24 k
MCDONALD "46"ENDEAVOR ENERGY RESOURCES L.P.$21 k
OLDHAM, IDA MAE -A-ENERGEN RESOURCES CORPORATION$21 k
SANDEFUR, R. J.MCFARLAND & SCOBEY, INC.$20 k
THANKSGIVINGPARKER & PARSLEY DEVELOPMENT L.P$20 k
LAY -A-PHILLIPS PETROLEUM COMPANY$20 k
RAGGETMID-STATES OPERATING COMPANY$17 k
STEPHENS-EVANS "52"DE3 OPERATING LLC$15 k
ANDERSONCENTRAL TEXAS OPERATING, INC.$14 k
DUNNPIONEER NATURAL RES. USA, INC.$13 k
WALTON - JUDKINSPIONEER NATURAL RES. USA, INC.$12 k
SANDEFUR, R. J.MCFARLAND & SCOBEY, INC.$9 k
STEPHENS-EVANS "52"ENDEAVOR ENERGY RESOURCES L.P.$7 k
OSWALDPHILLIPS PETROLEUM COMPANY$6 k
SANDEFUR,R.J.TEXACO E & P INC.$5 k
LOUISE 18EOG RESOURCES, INC.$2 k
CALVERLEYBRAZOS PETROLEUM, INC.$2 k

Field number 04605222, from the Railroad Commission's field register. The register's own index resolves 244 leases and 262 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.