DOUGLAS -B-

Oil · District 08 · Lease #16766

Operator: SAHARA OPERATING COMPANY

Cum Oil

50k BBL

Cum Gas

71k MCF

casinghead

Wells

2

Production

1993-01 — 2017-05

Peak Month

1996-01

Production History

Cum Oil: 50,136 BBL Cum Gas: 70,704 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

289 BBL/mo

Di (annual)

10.4%

b-factor

0.0

EUR

33,162 BBL

R-squared

0.596

type

exponential

Operator History (from monthly production reports)

2004-04 — 2026-07 SAHARA OPERATING COMPANY 268 mo
1996-07 — 2004-03 QUAY VALLEY, INC. 93 mo
1993-01 — 1996-06 SAHARA OPERATING COMPANY 42 mo

Wells (2)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
2CITIES SERVICE OIL & GAS CORP.29,4001984-11-02
1CITIES SERVICE OIL & GAS CORP.18,8001983-05-18