TUNSTIL O & L -A

Oil · District 08 · Lease #30581

Operator: MAYJAC I, LLC

Fields: MATTHEWS (LOWER CHERRY CANYON)

Cum Oil

34k BBL

Cum Gas

36k MCF

casinghead

Wells

1

Production

1993-01 — 2007-09

Peak Month

1996-09

Production History

Cum Oil: 34,432 BBL Cum Gas: 35,921 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

426 BBL/mo

Di (annual)

16.0%

b-factor

0.4

EUR

46,970 BBL

R-squared

0.879

type

hyperbolic

Operator History (from monthly production reports)

2005-01 — 2008-08 MAYJAC I, LLC 44 mo

1993-04 — 2004-12 HUFF, JACK 141 mo

1993-01 — 1993-03 CONOCO INC. 3 mo

Wells (1)

WELL#	API	OPERATOR	PERMITS	DEPTH	LAST_ISSUED
1	42-389-31703	MAYJAC I LLC	1	4,550	1985-12-09