HARTUNG -A-

Oil · District 01 · Lease #9977

Operator: PRESSLY OIL INTEREST, INC.

Fields: C.J.P. (REEF)

Cum Oil

2k BBL

Cum Gas

0 MCF

Wells

1

Production

1993-01 — 2026-04

Peak Month

2011-01

Production History

Cum Oil: 2,215 BBL Cum Gas: 0 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

20 BBL/mo

Di (annual)

10.0%

b-factor

0.0

EUR

2,307 BBL

R-squared

0.315

type

exponential

Operator History (from monthly production reports)

1993-01 — 2026-07 PRESSLY OIL INTEREST, INC. 403 mo

Wells (1)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
1PRESSLY OIL INTEREST, INC.12,6001984-06-21