SYLVIA

Oil · District 7C · Lease #18037

Operator: TRUE OIL COMPANY LLC

Fields: SPRABERRY (TREND AREA)

Cum Oil

164k BBL

Cum Gas

830k MCF

casinghead

Wells

5

Production

2012-10 — 2026-04

Peak Month

2015-04

Production History

Cum Oil: 163,698 BBL Cum Gas: 829,722 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

6,120 BBL/mo

Di (annual)

130.5%

b-factor

0.8

EUR

177,211 BBL

R-squared

0.848

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

2014-12 — 2016-03 TRUE OIL COMPANY LLC 16 mo

2012-10 — 2014-11 SUMMIT PETROLEUM LLC 26 mo

Wells (5)

WELL#	API	OPERATOR	PERMITS	DEPTH	LAST_ISSUED
8207	42-461-39520	COG OPERATING LLC	1	13,000	2014-08-11
8215	42-461-39518	COG OPERATING LLC	1	13,000	2014-08-11
8310	42-461-39519	COG OPERATING LLC	1	13,000	2014-08-11
1	42-461-34038	COG OPERATING LLC	2	11,000	2012-06-04
8302	42-461-37930	COG OPERATING LLC	1	11,000	2012-02-23