CALHOUN

Oil · District 09 · Lease #27722

Operator: PRECISION OPERATING INC.

Cum Oil

14k BBL

Cum Gas

60k MCF

casinghead

Wells

1

Production

1993-01 — 2019-08

Peak Month

1993-03

Production History

Cum Oil: 13,509 BBL Cum Gas: 60,115 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

270 BBL/mo

Di (annual)

58.7%

b-factor

0.7

EUR

13,487 BBL

R-squared

0.882

type

hyperbolic

Operator History (from monthly production reports)

2005-09 — 2020-11 CHARTER OAK PRODUCTION CO., LLC 183 mo
1993-01 — 2005-08 PRECISION OPERATING INC. 152 mo

Wells (1)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
2CHARTER OAK PRODUCTION CO. LLC18,5001990-04-02