DERWOOD '42'

Oil · District 08 · Lease #43248

Operator: SM ENERGY COMPANY

Cum Oil

58k BBL

Cum Gas

166k MCF

casinghead

Wells

2

Production

2012-11 — 2021-05

Peak Month

2013-09

Production History

Cum Oil: 58,319 BBL Cum Gas: 166,418 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

795 BBL/mo

Di (annual)

14.2%

b-factor

0.0

EUR

66,881 BBL

R-squared

0.378

type

exponential

Operator History (from monthly production reports)

2021-06 — 2026-07 PIONEER NATURAL RES. USA, INC. 62 mo
2019-03 — 2021-05 DE3 OPERATING LLC 27 mo
2017-01 — 2019-02 SM ENERGY COMPANY 26 mo
2016-05 — 2016-12 QSTAR OPERATING LLC 8 mo
2012-11 — 2016-04 ENDEAVOR ENERGY RESOURCES L.P. 42 mo

Wells (2)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
2PIONEER NATURAL RES. USA INC.112,0002013-05-09
1PIONEER NATURAL RES. USA INC.112,0002012-08-29