RICHARDS, D.E. "D"

Oil · District 08 · Lease #24861

Operator: PIONEER NATURAL RES. USA, INC.

Fields: SPRABERRY (TREND AREA)

Cum Oil

201k BBL

Cum Gas

456k MCF

casinghead

Wells

4

Production

1993-01 — 2026-04

Peak Month

2013-06

Production History

Cum Oil: 200,883 BBL Cum Gas: 456,267 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

4,029 BBL/mo

Di (annual)

144.4%

b-factor

1.2

EUR

185,477 BBL

R-squared

0.720

type

hyperbolic

Operator History (from monthly production reports)

2021-01 — 2026-07 CUTBOW OPERATING, LLC 67 mo

2008-08 — 2020-12 PARSLEY ENERGY OPERATIONS, LLC 149 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
4	42-317-40411	CUTBOW OPERATING, LLC	1	11,800	2016-03-14
3	42-317-38341	CUTBOW OPERATING, LLC	1	13,000	2013-01-22
2	42-317-38238	CUTBOW OPERATING, LLC	1	13,000	2012-10-30
1	42-317-31637	CUTBOW OPERATING, LLC	1	9,000	1977-10-24

RICHARDS, D.E. "D"

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