NORTON 27

Oil · District 08 · Lease #43791

Operator: THREE RIVERS OPERATING CO II LLC

Fields: SPRABERRY (TREND AREA)

Cum Oil

85k BBL

Cum Gas

198k MCF

casinghead

Wells

4

Production

2013-01 — 2026-04

Peak Month

2013-11

Production History

Cum Oil: 84,805 BBL Cum Gas: 197,549 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

2,429 BBL/mo

Di (annual)

61.1%

b-factor

0.4

EUR

77,819 BBL

R-squared

0.894

type

hyperbolic

Operator History (from monthly production reports)

2014-12 — 2026-07 OXY USA INC. 140 mo

2014-08 — 2014-11 THREE RIVERS OPERATING CO II LLC 4 mo

2014-06 — 2014-07 ELEMENT PETROLEUM OPERATING, LLC 2 mo

2013-01 — 2014-05 CROWNQUEST OPERATING, LLC 17 mo

Wells (4)

WELL#	API	OPERATOR	PERMITS	DEPTH	LAST_ISSUED
4	42-173-36190	OXY USA INC.	1	12,000	2013-11-22
3	42-173-35865	OXY USA INC.	1	12,000	2013-05-29
2	42-173-35534	OXY USA INC.	1	13,000	2013-01-07
1	42-173-35342	OXY USA INC.	1	12,000	2012-09-25