ROBERTSON, JOE 2

Oil · District 09 · Lease #28190

Operator: XTO ENERGY INC.

Fields: SHERMAN (ORDIVICIAN 9,450)

Cum Oil

223k BBL

Cum Gas

1.6M MCF

casinghead

Wells

1

Production

1993-01 — 2026-04

Peak Month

2002-12

Production History

Cum Oil: 222,975 BBL Cum Gas: 1,609,890 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

2,010 BBL/mo

Di (annual)

13.8%

b-factor

0.3

EUR

232,041 BBL

R-squared

0.978

type

hyperbolic

Operator History (from monthly production reports)

2021-09 — 2026-07 BKM PRODUCTION 59 mo

2004-09 — 2021-08 XTO ENERGY INC. 204 mo

1993-01 — 2004-08 CHEVRON U. S. A. INC. 140 mo

Wells (1)

WELL#	API	OPERATOR	PERMITS	DEPTH	LAST_ISSUED
4 U	42-181-30782	BKM PRODUCTION	2	12,000	1982-01-29