HARBISON

Oil · District 08 · Lease #27785

Operator: PURVIS OPERATING CO.

Cum Oil

102k BBL

Cum Gas

500k MCF

casinghead

Wells

2

Production

1993-01 — 2026-04

Peak Month

1993-10

Production History

Cum Oil: 102,499 BBL Cum Gas: 500,205 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

402 BBL/mo

Di (annual)

3.6%

b-factor

0.0

EUR

111,252 BBL

R-squared

0.310

type

exponential

Operator History (from monthly production reports)

1995-01 — 2026-07 PURVIS OPERATING CO. 379 mo
1993-01 — 1994-12 PURVIS, J. H. 24 mo

Wells (2)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
2PURVIS OPERATING CO.18,8001984-11-13
1PURVIS OPERATING CO.18,8001981-12-31