COSTILLA, LOU ANN

Oil · District 08 · Lease #40087

Operator: SM ENERGY COMPANY

Cum Oil

43k BBL

Cum Gas

117k MCF

casinghead

Wells

1

Production

2009-11 — 2026-04

Peak Month

2010-01

Production History

Cum Oil: 42,714 BBL Cum Gas: 117,276 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

994 BBL/mo

Di (annual)

102.6%

b-factor

0.7

EUR

30,512 BBL

R-squared

0.612

type

hyperbolic

Operator History (from monthly production reports)

2024-08 — 2026-07 OXYROCK OPERATING, LLC 24 mo
2017-07 — 2024-07 CROWNQUEST OPERATING, LLC 85 mo
2017-01 — 2017-06 SM ENERGY COMPANY 6 mo
2016-05 — 2016-12 QSTAR OPERATING LLC 8 mo
2009-11 — 2016-04 ENDEAVOR ENERGY RESOURCES L.P. 78 mo

Wells (1)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
1OXYROCK OPERATING, LLC410,8502016-03-09