CHALK, OTIS

Oil · District 08 · Lease #2681

Operator: KEELEY OIL, L.L.C.

Cum Oil

68k BBL

Cum Gas

22 MCF

casinghead

Wells

6

Production

1993-01 — 2014-08

Peak Month

1993-01

Production History

Cum Oil: 67,540 BBL Cum Gas: 22 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

369 BBL/mo

Di (annual)

4.3%

b-factor

0.5

EUR

106,969 BBL

R-squared

0.721

type

hyperbolic

Operator History (from monthly production reports)

2006-02 — 2017-02 KEELEY OIL, L.L.C. 133 mo
1993-01 — 2006-01 CHALK, OTIS, ESTATE 157 mo

Wells (6)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
10KEELEY OIL L.L.C.12,5501981-11-12
9KEELEY OIL L.L.C.12,5501981-11-12
11KEELEY OIL L.L.C.12,5501981-11-10
142-227-03615KEELEY OIL L.L.C.------
442-227-00352KEELEY OIL L.L.C.------
542-227-03614KEELEY OIL L.L.C.------