GRANTHAM A

Oil · District 8A · Lease #67160

Operator: SULLIVAN, HOLLIS R. INC.

Cum Oil

10k BBL

Cum Gas

12 MCF

casinghead

Wells

1

Production

1993-10 — 1995-11

Peak Month

1993-11

Production History

Cum Oil: 10,275 BBL Cum Gas: 12 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

1,022 BBL/mo

Di (annual)

121.9%

b-factor

0.0

EUR

10,060 BBL

R-squared

0.890

type

exponential

Operator History (from monthly production reports)

2009-01 — 2026-07 CANAN MOWREY OPERATING, LLC 211 mo
1993-10 — 2008-12 SULLIVAN, HOLLIS R. INC. 183 mo

Wells (1)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
2341CANAN MOWREY OPERATING LLC15,0001993-08-30