ROSARIO CATTLE COMPANY

Oil · District 04 · Lease #13890

Operator: BLUESTONE NATURAL RES. II, LLC

Cum Oil

1k BBL

Cum Gas

32k MCF

casinghead

Wells

1

Production

2014-01 — 2017-02

Peak Month

2014-01

Production History

Cum Oil: 1,015 BBL Cum Gas: 32,135 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

286 BBL/mo

Di (annual)

995.3%

b-factor

0.7

EUR

957 BBL

R-squared

0.936

type

hyperbolic

Operator History (from monthly production reports)

2020-01 — 2020-03 BLACKBEARD OPERATING, LLC 3 mo
2014-01 — 2019-12 BLUESTONE NATURAL RES. II, LLC 72 mo

Wells (1)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
4VARAS ENERGY OPERATING COMPANY,19,5002013-10-26