MACON UNIT

Oil · District 8A · Lease #69977

Operator: SCHALK OIL COMPANY, INC.

Cum Oil

27k BBL

Cum Gas

0 MCF

Wells

1

Production

2012-11 — 2026-04

Peak Month

2013-01

Production History

Cum Oil: 27,490 BBL Cum Gas: 0 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

533 BBL/mo

Di (annual)

54.4%

b-factor

0.5

EUR

21,899 BBL

R-squared

0.683

type

hyperbolic

Operator History (from monthly production reports)

2012-11 — 2026-07 SCHALK OIL COMPANY, INC. 165 mo

Wells (1)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
1SCHALK OIL COMPANY, INC.15,4002012-10-09