MAHLER, FIELDS

Oil · District 10 · Lease #5811

Operator: TECOLOTE ENERGY OPERATING, LLC

Cum Oil

177k BBL

Cum Gas

3.1M MCF

casinghead

Wells

9

Production

1993-01 — 2026-04

Peak Month

2006-01

Production History

Cum Oil: 176,620 BBL Cum Gas: 3,126,953 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

3,801 BBL/mo

Di (annual)

66.3%

b-factor

0.6

EUR

149,308 BBL

R-squared

0.791

type

hyperbolic

Operator History (from monthly production reports)

2023-10 — 2026-07 MMGL TXPH, LLC 34 mo
2020-01 — 2023-09 BLACKBEARD OPERATING, LLC 45 mo
2016-07 — 2019-12 TECOLOTE ENERGY OPERATING, LLC 42 mo
2006-01 — 2016-06 DEVON ENERGY PRODUCTION CO, L.P. 126 mo
2003-09 — 2005-12 DEVON LOUISIANA CORPORATION 28 mo
2000-11 — 2003-08 OCEAN ENERGY, INC. 34 mo
1998-06 — 2000-10 SEAGULL ENERGY E&P INC. 29 mo
1993-01 — 1998-05 SEAGULL MIDCON INC. 65 mo

Wells (9)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
1198MMGL TXPH, LLC211,0002005-08-26
1298MMGL TXPH, LLC211,0002005-08-26
1398MMGL TXPH, LLC211,0002005-08-26
10MMGL TXPH, LLC111,0002005-06-29
9098MMGL TXPH, LLC111,0002005-05-12
6098MMGL TXPH, LLC310,7002002-07-19
8098MMGL TXPH, LLC110,6001992-04-24
7098MMGL TXPH, LLC110,7001984-07-03
3098MMGL TXPH, LLC110,5001977-12-15