SHAFFER, M.C. "152"

Oil · District 7B · Lease #12123

Operator: HEADINGTON OIL COMPANY

Cum Oil

5k BBL

Cum Gas

2k MCF

casinghead

Wells

3

Production

1993-01 — 1997-11

Peak Month

1995-03

Production History

Cum Oil: 5,400 BBL Cum Gas: 1,691 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

817 BBL/mo

Di (annual)

203.5%

b-factor

0.0

EUR

4,821 BBL

R-squared

0.625

type

exponential

Operator History (from monthly production reports)

1996-07 — 2026-07 E & R OIL 361 mo
1993-01 — 1996-06 HEADINGTON OIL COMPANY 42 mo

Wells (3)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
5E & R OIL12,8641995-02-21
4E & R OIL13,0501983-12-23
242-441-30413E & R OIL------