KLINE "B"

Oil · District 8A · Lease #68987

Operator: THREE SPAN OIL & GAS, INC.

Cum Oil

105k BBL

Cum Gas

50k MCF

casinghead

Wells

1

Production

2006-09 — 2026-04

Peak Month

2009-07

Production History

Cum Oil: 105,315 BBL Cum Gas: 50,156 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

1,697 BBL/mo

Di (annual)

67.9%

b-factor

1.1

EUR

117,876 BBL

R-squared

0.639

type

hyperbolic

Operator History (from monthly production reports)

2011-05 — 2026-07 THREE SPAN OIL & GAS, INC. 183 mo
2006-09 — 2011-04 CHEVRON MIDCONTINENT, L.P. 56 mo

Wells (1)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
1THREE SPAN OIL & GAS, INC.28,4002006-02-23