CAROLYN

Oil · District 7C · Lease #18034

Operator: TRUE OIL COMPANY LLC

Fields: SPRABERRY (TREND AREA)

Cum Oil

145k BBL

Cum Gas

596k MCF

casinghead

Wells

5

Production

2012-11 — 2022-04

Peak Month

2015-10

Production History

Cum Oil: 144,824 BBL Cum Gas: 596,282 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

6,670 BBL/mo

Di (annual)

296.4%

b-factor

1.2

EUR

185,623 BBL

R-squared

0.914

type

hyperbolic

Operator History (from monthly production reports)

2017-03 — 2026-07 COG OPERATING LLC 113 mo

2016-04 — 2017-02 SUMMIT PETROLEUM LLC 11 mo

2015-04 — 2016-03 TRUE OIL COMPANY LLC 12 mo

2012-11 — 2015-03 SUMMIT PETROLEUM LLC 29 mo

Wells (5)

WELL#	API	OPERATOR	PERMITS	DEPTH	LAST_ISSUED
1	42-461-34017	COG OPERATING LLC	2	9,600	2015-02-12
8516	42-461-39776	COG OPERATING LLC	1	13,000	2014-10-15
8601	42-461-39777	COG OPERATING LLC	1	13,000	2014-10-15
8508	42-461-39775	COG OPERATING LLC	1	13,000	2014-09-12
8609R	42-461-38230	COG OPERATING LLC	1	10,875	2012-07-09