SAMPSON-CLARK GAS UNIT

Oil · District 03 · Lease #21651

Operator: HILCORP ENERGY COMPANY

Cum Oil

167k BBL

Cum Gas

514k MCF

casinghead

Wells

1

Production

1993-01 — 2012-05

Peak Month

1993-03

Production History

Cum Oil: 167,098 BBL Cum Gas: 513,632 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

1,483 BBL/mo

Di (annual)

14.0%

b-factor

0.0

EUR

127,081 BBL

R-squared

0.354

type

exponential

Operator History (from monthly production reports)

2006-07 — 2026-07 HILCORP ENERGY COMPANY 241 mo
1993-01 — 2006-06 AMERADA HESS CORPORATION 162 mo

Wells (1)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
1HAMERADA HESS CORPORATION18,0001992-04-21