CALVERLEY

Oil · District 08 · Lease #43883

Operator: OVINTIV USA INC.

Cum Oil

117k BBL

Cum Gas

889k MCF

casinghead

Wells

9

Production

2013-05 — 2026-04

Peak Month

2014-03

Production History

Cum Oil: 117,311 BBL Cum Gas: 889,089 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

3,484 BBL/mo

Di (annual)

175.0%

b-factor

1.1

EUR

123,332 BBL

R-squared

0.934

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
2014-05 — 2015-01 ATHLON HOLDINGS LP 9 mo
2013-05 — 2014-04 ATHLON ENERGY OPERATING LLC 12 mo

Wells (9)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
7OVINTIV USA INC.110,3402014-05-03
8OVINTIV USA INC.110,3002014-05-03
6OVINTIV USA INC.110,4002014-03-22
5OVINTIV USA INC.110,3002014-01-03
3ROVINTIV USA INC.110,2002013-09-26
4OVINTIV USA INC.110,4002013-09-04
3OVINTIV USA INC.110,2002013-07-25
2OVINTIV USA INC.110,2002013-04-18
1OVINTIV USA INC.110,2002013-03-11