YOST TRUST

Oil · District 08 · Lease #29610

Operator: TREY RESOURCES INC.

Fields: REEVES-BLOCK 4 (DEL. 4430)

Cum Oil

34k BBL

Cum Gas

86k MCF

casinghead

Wells

1

Production

1993-01 — 2019-11

Peak Month

2012-06

Production History

Cum Oil: 34,149 BBL Cum Gas: 85,600 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

361 BBL/mo

Di (annual)

12.6%

b-factor

0.0

EUR

34,419 BBL

R-squared

0.431

type

exponential

Operator History (from monthly production reports)

2016-12 — 2020-04 PDC PERMIAN, INC. 41 mo

2015-05 — 2016-11 ARRIS OPERATING COMPANY LLC 19 mo

2011-04 — 2015-04 TREY RESOURCES INC. 49 mo

2009-08 — 2011-03 NRPC OPERATING II, LLC 20 mo

2008-06 — 2009-07 PACESETTER ENERGY, LLC 14 mo

2004-03 — 2008-05 PACESETTER ENERGY, INC. 51 mo

1993-01 — 2004-02 O. H. M. OPERATING 134 mo

Wells (1)

WELL#	API	OPERATOR	PERMITS	DEPTH	LAST_ISSUED
1	42-389-31552	PDC PERMIAN INC.	1	7,000	1984-08-24