SAPPHIRE B

Oil · District 2 · Lease #12279

Operator: ROCC OIL & GAS, L.P.

Cum Oil

317k BBL

Cum Gas

0 MCF

Wells

1

Production

2021-09 — 2026-03

Peak Month

2021-10

Production History

Cum Oil: 316,721 BBL Cum Gas: 0 MCF

Decline Curve Analysis

qi

29,365 BBL/mo

Di (annual)

402.3%

b-factor

1.1

EUR

556,481 BBL

R-squared

0.968

type

hyperbolic

Wells (1)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
2HPENN VIRGINIA OIL & GAS, L.P.114,5002021-06-15
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