JOHNSTON

Oil · District 01 · Lease #15786

Operator: VENADO OPERATING COMPANY LLC

Fields: BRISCOE RANCH (EAGLEFORD)

Cum Oil

10k BBL

Cum Gas

4k MCF

casinghead

Wells

1

Production

2011-08 — 2015-08

Peak Month

2011-09

Production History

Cum Oil: 9,824 BBL Cum Gas: 3,805 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

595 BBL/mo

Di (annual)

65.5%

b-factor

0.0

EUR

10,884 BBL

R-squared

0.592

type

exponential

Operator History (from monthly production reports)

2022-04 — 2026-07 JAVELIN ENERGY PARTNERS MGMT LLC 52 mo

2018-02 — 2022-03 VENADO OPERATING COMPANY LLC 50 mo

2014-10 — 2018-01 CABOT OIL & GAS CORPORATION 40 mo

2011-08 — 2014-09 EF ENERGY, L.L.C. 38 mo

Wells (1)

WELL#	API	OPERATOR	PERMITS	DEPTH	LAST_ISSUED
1ST	42-163-33433	EF ENERGY L.L.C.	4	6,200	2012-07-02