HARPER, H.

Oil · District 06 · Lease #12912

Operator: LINDER, JOHN OPERATING CO., LLC

Cum Oil

538k BBL

Cum Gas

117 MCF

casinghead

Wells

1

Production

1993-01 — 2026-04

Peak Month

1999-09

Production History

Cum Oil: 538,314 BBL Cum Gas: 117 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

2,190 BBL/mo

Di (annual)

5.7%

b-factor

0.1

EUR

461,500 BBL

R-squared

0.727

type

hyperbolic

Operator History (from monthly production reports)

2013-06 — 2026-07 LINDER, JOHN OPERATING CO., LLC 158 mo
1993-01 — 2013-05 JUSTISS OIL COMPANY, INC. 245 mo

Wells (1)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
1LINDER, JOHN OPERATING CO., LLC27,2001991-08-27