MATHERS RANCH 1518

Oil · District 10 · Lease #8948

Operator: TECOLOTE ENERGY OPERATING, LLC

Fields: MATHERS RANCH (TONKAWA)

Cum Oil

33k BBL

Cum Gas

771k MCF

casinghead

Wells

1

Production

2012-12 — 2026-04

Peak Month

2013-06

Production History

Cum Oil: 33,275 BBL Cum Gas: 770,729 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

2,384 BBL/mo

Di (annual)

417.5%

b-factor

1.1

EUR

43,905 BBL

R-squared

0.876

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

2012-12 — 2016-06 DEVON ENERGY PRODUCTION CO, L.P. 43 mo

Wells (1)

WELL#	API	OPERATOR	PERMITS	DEPTH	LAST_ISSUED
1H	42-211-35067	MMGL TXPH, LLC	1	14,000	2012-07-18