HALE "4"

Oil · District 08 · Lease #26254

Operator: PIONEER NATURAL RES. USA, INC.

Fields: SPRABERRY (TREND AREA)

Cum Oil

323k BBL

Cum Gas

787k MCF

casinghead

Wells

4

Production

1993-01 — 2026-04

Peak Month

2011-10

Production History

Cum Oil: 323,193 BBL Cum Gas: 787,223 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

6,027 BBL/mo

Di (annual)

24.3%

b-factor

0.0

EUR

297,206 BBL

R-squared

0.735

type

exponential

Operator History (from monthly production reports)

2025-01 — 2026-07 DIAMONDBACK E&P LLC 19 mo

2018-11 — 2024-12 ENDEAVOR ENERGY RESOURCES L.P. 74 mo

2008-08 — 2018-10 PARSLEY ENERGY OPERATIONS, LLC 123 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 (4)

WELL#	API	OPERATOR	PERMITS	DEPTH	LAST_ISSUED
2	42-317-38171	DIAMONDBACK E&P LLC	1	13,000	2012-11-05
3	42-317-36974	DIAMONDBACK E&P LLC	1	11,600	2011-07-25
4	42-317-36975	DIAMONDBACK E&P LLC	1	11,600	2011-07-01
1	42-317-32245	DIAMONDBACK E&P LLC	1	9,800	1980-09-11

HALE "4"

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 (4)

Production History