KLINE

Oil · District 8A · Lease #66117

Operator: THREE SPAN OIL & GAS, INC.

Cum Oil

513k BBL

Cum Gas

430k MCF

casinghead

Wells

3

Production

1993-01 — 2026-04

Peak Month

2003-03

Production History

Cum Oil: 512,767 BBL Cum Gas: 429,718 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

4,757 BBL/mo

Di (annual)

25.3%

b-factor

0.5

EUR

389,014 BBL

R-squared

0.859

type

hyperbolic

Operator History (from monthly production reports)

2011-05 — 2026-07 THREE SPAN OIL & GAS, INC. 183 mo
2006-04 — 2011-04 CHEVRON MIDCONTINENT, L.P. 61 mo
2001-02 — 2006-03 PURE RESOURCES, L.P. 62 mo
1993-01 — 2001-01 IP PETROLEUM COMPANY, INC. 97 mo

Wells (3)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
1THREE SPAN OIL & GAS, INC.38,2002026-06-19
3WTHREE SPAN OIL & GAS, INC.37,6652023-08-18
2THREE SPAN OIL & GAS, INC.18,2001988-02-22