< leases

MILLER, J. "A"

Oil · District 09 · Lease #26431

Operator: UNITED OPERATING, LLC

Fields: CHALK HILL (BEND CONGLOMERATE)

Cum Oil

13k BBL

Cum Gas

147 MCF

casinghead

Wells

1

Production

1993-01 — 2011-04

Peak Month

1994-05

Production History

Cum Oil: 12,678 BBL Cum Gas: 147 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

137 BBL/mo

Di (annual)

14.8%

b-factor

0.0

EUR

11,029 BBL

R-squared

0.607

type

exponential

Operator History (from monthly production reports)

2012-04 — 2026-07 GREY RIDER ENERGY, LLC 172 mo
2011-02 — 2012-03 UNITED OPERATING, LLC 14 mo
2010-05 — 2011-01 REOSTAR OPERATING INCORPORATED 9 mo
2008-10 — 2010-04 SLATE HOLDINGS, INC. 19 mo
2004-01 — 2008-09 AKINS OIL COMPANY 57 mo
2003-06 — 2003-12 KURAN RESOURCES 7 mo
2000-01 — 2003-05 RACO MATERIALS INC. 41 mo
1998-05 — 1999-12 CRAIG, CARL 20 mo
1993-01 — 1998-04 CRAIG, BOB 64 mo

Wells (1)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
142-009-39600GREY RIDER ENERGY LLC15,7001986-09-17