MARGARET UNIT 1

Oil · District 02 · Lease #9663

Operator: SILVER HILL ENERGY OPERATING LLC

Cum Oil

356k BBL

Cum Gas

651k MCF

casinghead

Wells

2

Production

2011-04 — 2026-04

Peak Month

2011-05

Production History

Cum Oil: 355,856 BBL Cum Gas: 650,822 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

12,618 BBL/mo

Di (annual)

99.7%

b-factor

0.7

EUR

397,031 BBL

R-squared

0.901

type

hyperbolic

Operator History (from monthly production reports)

2025-11 — 2026-07 SILVER HILL ENERGY OPERATING LLC 9 mo
2013-07 — 2025-10 1776 ENERGY OPERATORS, LLC 148 mo
2011-04 — 2013-06 RILEY EXPLORATION, LLC 27 mo

Wells (2)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
2HSILVER HILL ENERGY OPERATING LLC212,0002011-05-23
1HSILVER HILL ENERGY OPERATING LLC211,5002011-01-21