RALPH

Oil · District 08 · Lease #34420

Operator: SONAT EXPLORATION CO. - MIDLAND

Fields: FULLERTON

Cum Oil

252k BBL

Cum Gas

495k MCF

casinghead

Wells

6

Production

1995-03 — 2026-04

Peak Month

1996-09

Production History

Cum Oil: 251,502 BBL Cum Gas: 495,161 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

2,131 BBL/mo

Di (annual)

20.0%

b-factor

0.6

EUR

232,309 BBL

R-squared

0.918

type

hyperbolic

Operator History (from monthly production reports)

2025-01 — 2026-07 OLSEN ENERGY INC. 19 mo

2023-12 — 2024-12 SILVER CROSS ENERGY PARTNERS LLC 13 mo

2006-05 — 2023-11 ENDEAVOR ENERGY RESOURCES L.P. 211 mo

2002-01 — 2006-04 SCYTHIAN, LTD. 52 mo

1997-01 — 2001-12 PRIMAL ENERGY CORPORATION 60 mo

1995-03 — 1996-12 SONAT EXPLORATION CO. - MIDLAND 22 mo

Wells (6)

WELL#	API	OPERATOR	PERMITS	DEPTH	LAST_ISSUED
6	42-003-38135	OLSEN ENERGY INC.	1	7,300	1997-01-17
5	42-003-37910	OLSEN ENERGY INC.	1	10,000	1996-07-15
4	42-003-37793	OLSEN ENERGY INC.	1	10,500	1996-01-18
3	42-003-37700	OLSEN ENERGY INC.	2	9,000	1995-08-11
2	42-003-37532	OLSEN ENERGY INC.	1	7,500	1994-07-20
1	42-003-37391	OLSEN ENERGY INC.	2	7,200	1993-12-22