HEMPHILL "B"

Oil · District 8A · Lease #68128

Operator: WALSH & WATTS, INC.

Cum Oil

34k BBL

Cum Gas

3k MCF

casinghead

Wells

2

Production

1999-07 — 2026-04

Peak Month

2002-12

Production History

Cum Oil: 34,369 BBL Cum Gas: 3,456 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

201 BBL/mo

Di (annual)

5.9%

b-factor

0.2

EUR

43,403 BBL

R-squared

0.684

type

hyperbolic

Operator History (from monthly production reports)

1999-07 — 2026-07 WALSH & WATTS, INC. 325 mo

Wells (2)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
2WALSH & WATTS, INC.27,8002001-04-25
1WALSH & WATTS, INC.28,4001991-03-19