KARLA

Oil · District 03 · Lease #22278

Operator: CHESAPEAKE OPERATING, INC.

Cum Oil

60k BBL

Cum Gas

252k MCF

casinghead

Wells

1

Production

1993-11 — 2008-10

Peak Month

1993-12

Production History

Cum Oil: 59,909 BBL Cum Gas: 252,348 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

668 BBL/mo

Di (annual)

19.4%

b-factor

0.0

EUR

41,285 BBL

R-squared

0.319

type

exponential

Operator History (from monthly production reports)

1993-11 — 2011-02 CHESAPEAKE OPERATING, INC. 208 mo

Wells (1)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
1HCHESAPEAKE OPERATING INC.110,8001993-08-19