WILLIAM

Oil · District 10 · Lease #4397

Operator: MOMENTUM OPERATING CO., INC.

Cum Oil

9k BBL

Cum Gas

472k MCF

casinghead

Wells

6

Production

1993-01 — 2015-05

Peak Month

1995-03

Production History

Cum Oil: 9,035 BBL Cum Gas: 471,696 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

90 BBL/mo

Di (annual)

15.7%

b-factor

0.0

EUR

6,814 BBL

R-squared

0.413

type

exponential

Operator History (from monthly production reports)

2005-01 — 2026-07 ENID OPERATING, INC. 259 mo
1996-01 — 2004-12 HARKEN EXPLORATION COMPANY 108 mo
1993-01 — 1995-12 MOMENTUM OPERATING CO., INC. 36 mo

Wells (6)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
6ENID OPERATING INC.13,2001983-01-07
4ENID OPERATING INC.13,2001980-11-14
5ENID OPERATING INC.13,2001980-11-14
3ENID OPERATING INC.13,2001980-11-06
2ENID OPERATING INC.13,0001978-07-24
1ENID OPERATING INC.13,1001977-09-14