ED BOOKS 19

Oil · District 08 · Lease #41622

Operator: OVINTIV USA INC.

Fields: SPRABERRY (TREND AREA)

Cum Oil

113k BBL

Cum Gas

926k MCF

casinghead

Wells

4

Production

2011-05 — 2026-04

Peak Month

2012-02

Production History

Cum Oil: 112,888 BBL Cum Gas: 926,273 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

3,244 BBL/mo

Di (annual)

111.3%

b-factor

0.9

EUR

123,892 BBL

R-squared

0.820

type

hyperbolic

Operator History (from monthly production reports)

2020-02 — 2026-07 OVINTIV USA INC. 78 mo

2015-02 — 2020-01 ENCANA OIL & GAS(USA) INC. 60 mo

2014-01 — 2015-01 ATHLON HOLDINGS LP 13 mo

2011-10 — 2013-12 ATHLON FE OPERATING LLC 27 mo

2011-05 — 2011-09 ELEMENT PETROLEUM OPERATING, LLC 5 mo

Wells (4)

WELL#	API	OPERATOR	PERMITS	DEPTH	LAST_ISSUED
4	42-173-34697	OVINTIV USA INC.	1	10,000	2012-01-04
3	42-173-34454	OVINTIV USA INC.	1	11,000	2011-08-25
1	42-173-33811	OVINTIV USA INC.	2	11,000	2010-10-18
2	42-173-33812	OVINTIV USA INC.	1	11,000	2010-10-18