UL 13 NASHUA

Oil · District 08 · Lease #45499

Operator: RING ENERGY, INC.

Fields: SHAFTER LAKE, N. (SAN ANDRES)

Cum Oil

56k BBL

Cum Gas

32k MCF

casinghead

Wells

2

Production

2014-06 — 2026-04

Peak Month

2015-03

Production History

Cum Oil: 56,362 BBL Cum Gas: 32,128 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

2,065 BBL/mo

Di (annual)

441.5%

b-factor

1.7

EUR

84,216 BBL

R-squared

0.730

type

hyperbolic

Operator History (from monthly production reports)

2025-04 — 2026-07 RING ENERGY, INC. 16 mo

2017-05 — 2025-03 LIME ROCK RESOURCES IV-A, L.P. 95 mo

2014-06 — 2017-04 FORGE ENERGY, LLC 35 mo

Wells (2)

WELL#	API	OPERATOR	PERMITS	DEPTH	LAST_ISSUED
3127AH	42-003-46728	RING ENERGY, INC.	1	4,900	2014-09-08
1127AH	42-003-46113	RING ENERGY, INC.	1	4,700	2014-04-01