EVANS "33"

Oil · District 08 · Lease #26349

Operator: WESTAR ENERGY, INC.

Cum Oil

373k BBL

Cum Gas

1.2M MCF

casinghead

Wells

8

Production

1993-01 — 2026-04

Peak Month

2012-10

Production History

Cum Oil: 373,371 BBL Cum Gas: 1,209,822 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

4,606 BBL/mo

Di (annual)

70.6%

b-factor

0.8

EUR

223,087 BBL

R-squared

0.663

type

hyperbolic

Operator History (from monthly production reports)

2025-01 — 2026-07 DIAMONDBACK E&P LLC 19 mo
2018-09 — 2024-12 ENDEAVOR ENERGY RESOURCES L.P. 76 mo
2017-12 — 2018-08 DE3 OPERATING LLC 9 mo
2014-09 — 2017-11 DIAMONDBACK E&P LLC 39 mo
2011-09 — 2014-08 BLUESTEM ENERGY HOLDINGS, LLC 36 mo
2009-03 — 2011-08 ADVENTURE EXPLORATION PTRS, LLC 30 mo
2006-01 — 2009-02 REX ENERGY OPERATING CORP. 38 mo
1993-01 — 2005-12 WESTAR ENERGY, INC. 156 mo

Wells (8)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
8DIAMONDBACK E&P LLC311,5002012-03-06
7DIAMONDBACK E&P LLC311,5002012-02-28
6DIAMONDBACK E&P LLC411,5002011-03-03
5DIAMONDBACK E&P LLC211,5002011-03-02
4DIAMONDBACK E&P LLC210,6002010-10-21
3DIAMONDBACK E&P LLC211,0002010-02-22
1DIAMONDBACK E&P LLC18,6001980-07-17
2DIAMONDBACK E&P LLC18,6001980-07-17