< leases

STANLEY "A"

Oil · District 8A · Lease #64677

Operator: SLAPE OIL COMPANY, INC.

Fields: LEVELLAND

Cum Oil

45k BBL

Cum Gas

1k MCF

casinghead

Wells

2

Production

1993-01 — 2026-03

Peak Month

1993-03

Production History

Cum Oil: 45,467 BBL Cum Gas: 1,127 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

351 BBL/mo

Di (annual)

9.6%

b-factor

0.0

EUR

43,481 BBL

R-squared

0.691

type

exponential

Operator History (from monthly production reports)

2018-04 — 2026-07 ATLAS OPERATING LLC 100 mo
2011-07 — 2018-03 CROSSROADS ENERGY PARTNERS, LLC 81 mo
2008-06 — 2011-06 SLAPE OIL COMPANY, INC. 37 mo
1995-07 — 2008-05 I.B.O.C. 155 mo
1993-01 — 1995-06 ROGERS, S. K. OIL, INC. 30 mo

Wells (2)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
242-219-34415ATLAS OPERATING LLC14,9001984-06-05
142-219-34166ATLAS OPERATING LLC14,9001983-11-18