SAPPHIRE B

Oil · District 02 · Lease #12279

Operator: ROCC OIL & GAS, L.P.

Cum Oil

324k BBL

Cum Gas

495k MCF

casinghead

Wells

1

Production

2021-09 — 2026-04

Peak Month

2021-10

Production History

Cum Oil: 323,995 BBL Cum Gas: 495,434 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

33,120 BBL/mo

Di (annual)

468.2%

b-factor

1.1

EUR

558,699 BBL

R-squared

0.987

type

hyperbolic

Operator History (from monthly production reports)

2026-01 — 2026-07 FW EAGLE FORD I, LLC 7 mo
2024-01 — 2025-12 BAYTEX ENERGY USA, INC. 24 mo
2022-12 — 2023-12 ROCC OIL & GAS, L.P. 13 mo
2021-09 — 2022-11 PENN VIRGINIA OIL & GAS, L.P. 15 mo

Wells (1)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
2HFW EAGLE FORD I, LLC114,5002021-06-15