LASSETER UNIT

Oil · District 8A · Lease #66696

Operator: YOUNG, MARSHALL R., OIL CO.

Cum Oil

171k BBL

Cum Gas

59k MCF

casinghead

Wells

1

Production

1993-01 — 2016-03

Peak Month

1993-01

Production History

Cum Oil: 171,480 BBL Cum Gas: 58,572 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

3,183 BBL/mo

Di (annual)

29.1%

b-factor

0.1

EUR

145,722 BBL

R-squared

0.852

type

hyperbolic

Operator History (from monthly production reports)

1998-12 — 2026-07 WALKING X OIL CO. 332 mo
1993-01 — 1998-11 YOUNG, MARSHALL R., OIL CO. 71 mo

Wells (1)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
1WALKING X OIL CO.210,0001991-01-10