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COSTILLA LOU ANN

Oil · District 08 · Lease #34187

Operator: TRIAG ENERGY OPERATING, INC.

Fields: LOU ANN (FUSSELMAN)

Cum Oil

116k BBL

Cum Gas

9k MCF

casinghead

Wells

1

Production

1994-06 — 2009-10

Peak Month

1994-07

Production History

Cum Oil: 116,421 BBL Cum Gas: 8,739 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

3,566 BBL/mo

Di (annual)

63.6%

b-factor

0.4

EUR

110,021 BBL

R-squared

0.854

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
2016-12 — 2017-06 SM ENERGY COMPANY 7 mo
2016-06 — 2016-11 QSTAR OPERATING LLC 6 mo
2004-09 — 2016-05 ENDEAVOR ENERGY RESOURCES L.P. 141 mo
2004-01 — 2004-08 TRIAG ENERGY OPERATING, INC. 8 mo
1996-01 — 2003-12 FASKEN OIL AND RANCH, LTD. 96 mo
1994-06 — 1995-12 FASKEN, BARBARA 19 mo

Wells (1)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
142-227-34825OXYROCK OPERATING, LLC410,8502016-03-09