CALVERLEY

Oil · District 08 · Lease #35059

Operator: RIO OIL AND GAS (PERMIAN) II,LLC

Cum Oil

901k BBL

Cum Gas

1.8M MCF

casinghead

Wells

1

Production

1996-09 — 2019-08

Peak Month

2009-03

Production History

Cum Oil: 901,219 BBL Cum Gas: 1,796,899 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

10,897 BBL/mo

Di (annual)

14.8%

b-factor

0.0

EUR

883,428 BBL

R-squared

0.824

type

exponential

Operator History (from monthly production reports)

2019-07 — 2020-01 FED OPERATING LLC 7 mo
2017-03 — 2019-06 RIO OIL AND GAS (PERMIAN) II,LLC 28 mo
1996-09 — 2017-02 DYAD PETROLEUM COMPANY 246 mo

Wells (1)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
1DIAMONDBACK E&P LLC18,3001996-07-29