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Oil · District 08 · Lease #26477

Operator: PIONEER NATURAL RES. USA, INC.

Fields: AZALEA (GRAYBURG)

Cum Oil

117k BBL

Cum Gas

1k MCF

casinghead

Wells

2

Production

1993-01 — 2026-04

Peak Month

1993-12

Production History

Cum Oil: 116,839 BBL Cum Gas: 1,322 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

400 BBL/mo

Di (annual)

2.4%

b-factor

0.0

EUR

139,348 BBL

R-squared

0.402

type

exponential

Operator History (from monthly production reports)

2021-06 — 2026-07 PIONEER NATURAL RES. USA, INC. 62 mo

2019-04 — 2021-05 DE3 OPERATING LLC 26 mo

2008-08 — 2019-03 PARSLEY ENERGY OPERATIONS, LLC 128 mo

2003-12 — 2008-07 MOMENTUM ENERGY CORPORATION 56 mo

2002-09 — 2003-11 MOMENTUM ENERGY, LLC 15 mo

2000-12 — 2002-08 PARKER & PARSLEY ACQ. GROUP LLC 21 mo

2000-02 — 2000-11 PARKER & PARSLEY OPERATING LLC 10 mo

1999-02 — 2000-01 OGA OPERATING L.L.C. 12 mo

1997-09 — 1999-01 PIONEER NATURAL RES. USA, INC. 17 mo

1995-03 — 1997-08 PARKER & PARSLEY DEVELOPMENT L.P 30 mo

1993-01 — 1995-02 PARKER & PARSLEY DEVELOPMENT CO. 26 mo

Wells (2)

WELL#	API	OPERATOR	PERMITS	DEPTH	LAST_ISSUED
1	42-329-30978	PIONEER NATURAL RES. USA, INC.	2	4,300	1981-03-09
2	42-329-30973	PIONEER NATURAL RES. USA, INC.	1	4,200	1981-01-30

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Production HistoryBeta Production data is a work in progress — still being validated against RRC filings. Spot something off or have questions? [email protected]

Decline Curve Analysis

Operator History (from monthly production reports)

Wells (2)

Production History