HILLEGEIST

Oil · District 03 · Lease #4368

Operator: WILLIAMS, H. E.

Cum Oil

60k BBL

Cum Gas

62k MCF

casinghead

Wells

1

Production

1993-01 — 2026-03

Peak Month

1994-01

Production History

Cum Oil: 60,244 BBL Cum Gas: 62,047 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

442 BBL/mo

Di (annual)

8.9%

b-factor

0.0

EUR

58,631 BBL

R-squared

0.371

type

exponential

Operator History (from monthly production reports)

2011-04 — 2026-07 TORTUGA OPERATING COMPANY 184 mo
1994-11 — 2011-03 WILLIAMS & CO. 197 mo
1993-01 — 1994-10 WILLIAMS, H. E. 22 mo

Wells (1)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
2TORTUGA OPERATING COMPANY15,7051979-10-10