STS 'A'

Oil · District 01 · Lease #17556

Operator: WELHAUSEN OPERATING COMPANY, LP

Cum Oil

8k BBL

Cum Gas

104k MCF

casinghead

Wells

8

Production

2013-12 — 2017-10

Peak Month

2014-06

Production History

Cum Oil: 7,731 BBL Cum Gas: 103,619 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

657 BBL/mo

Di (annual)

132.1%

b-factor

0.0

EUR

5,967 BBL

R-squared

0.779

type

exponential

Operator History (from monthly production reports)

2014-11 — 2018-06 SIERRA RESOURCES, LLC 44 mo
2013-12 — 2014-10 WELHAUSEN OPERATING COMPANY, LP 11 mo

Wells (8)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
1 SSIERRA RESOURCES LLC310,0002018-12-20
2SSIERRA RESOURCES LLC210,0002017-07-12
10HSILVERBOW RESOURCES OPER, LLC19,4502015-07-23
8HSILVERBOW RESOURCES OPER, LLC19,3602015-06-02
7HSILVERBOW RESOURCES OPER, LLC19,8002015-04-13
6HSIERRA RESOURCES LLC19,8002015-03-09
5HSILVERBOW RESOURCES OPER, LLC19,8002014-10-31
4 HSILVERBOW RESOURCES OPER, LLC110,0002014-07-01