UNDERWOOD A

Oil · District 08 · Lease #49670

Operator: RING ENERGY, INC.

Cum Oil

118k BBL

Cum Gas

66k MCF

casinghead

Wells

3

Production

2017-10 — 2026-04

Peak Month

2018-11

Production History

Cum Oil: 118,214 BBL Cum Gas: 66,186 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

1,623 BBL/mo

Di (annual)

22.0%

b-factor

0.0

EUR

88,293 BBL

R-squared

0.315

type

exponential

Operator History (from monthly production reports)

2017-10 — 2026-07 RING ENERGY, INC. 106 mo

Wells (3)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
3HRING ENERGY, INC.15,1002017-09-25
2HRING ENERGY, INC.14,8002017-07-28
1HRING ENERGY, INC.24,8002017-02-07