VALLEY RIDGE UNIT

Oil · District 03 · Lease #18048

Operator: SAMEDAN OIL CORPORATION

Fields: AGGIELAND (WOODBINE)

Cum Oil

88k BBL

Cum Gas

899k MCF

casinghead

Wells

1

Production

1993-01 — 2026-04

Peak Month

1997-08

Production History

Cum Oil: 87,631 BBL Cum Gas: 898,888 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

415 BBL/mo

Di (annual)

9.8%

b-factor

0.7

EUR

80,134 BBL

R-squared

0.573

type

hyperbolic

Operator History (from monthly production reports)

2025-03 — 2026-07 RUMBLE ENERGY LLC 17 mo

2021-07 — 2025-02 NITRO OIL & GAS, LLC 44 mo

2020-04 — 2021-06 DPMP ENERGY LLC 15 mo

2014-08 — 2020-03 RAMTEX ENERGY LLC 68 mo

2004-03 — 2014-07 CHAPARRAL ENERGY, L.L.C. 125 mo

2003-01 — 2004-02 NOBLE ENERGY INC 14 mo

2002-01 — 2002-12 SAMEDAN OIL CORPORATION 12 mo

1993-01 — 2001-12 ENERGY DEVELOPMENT CORP. 108 mo

Wells (1)

WELL#	API	OPERATOR	PERMITS	DEPTH	LAST_ISSUED
1	42-041-31219	RUMBLE ENERGY LLC	1	10,000	1984-09-25