REO (JO-MILL) UNIT

Oil · District 8A · Lease #66511

Operator: GREAT WESTERN DRILLING COMPANY

Cum Oil

1.6M BBL

Cum Gas

202k MCF

casinghead

Wells

20

Production

1993-01 — 2026-04

Peak Month

1997-01

Production History

Cum Oil: 1,617,900 BBL Cum Gas: 201,630 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

10,814 BBL/mo

Di (annual)

14.7%

b-factor

0.4

EUR

1,283,727 BBL

R-squared

0.907

type

hyperbolic

Operator History (from monthly production reports)

2024-11 — 2026-07 BASIN OIL & GAS OPERATING, LLC 21 mo
1993-01 — 2024-10 GREAT WESTERN DRILLING COMPANY 382 mo

Wells (20)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
3604BASIN OIL & GAS OPERATING, LLC17,8002014-01-09
3511BASIN OIL & GAS OPERATING, LLC17,8002013-11-23
3509BASIN OIL & GAS OPERATING, LLC17,8002012-04-16
3510BASIN OIL & GAS OPERATING, LLC17,8002012-04-16
3508BASIN OIL & GAS OPERATING, LLC17,5001993-08-09
W 1SWBASIN OIL & GAS OPERATING, LLC11,2001990-10-04
W 2SWBASIN OIL & GAS OPERATING, LLC11,2001990-10-04
2503BASIN OIL & GAS OPERATING, LLC27,4001984-03-28
3507BASIN OIL & GAS OPERATING, LLC17,5001983-12-05
2501BASIN OIL & GAS OPERATING, LLC27,4001983-08-30
W 25SWBASIN OIL & GAS OPERATING, LLC27,4001983-08-30
3602BASIN OIL & GAS OPERATING, LLC19,8001983-04-20
3603DBASIN OIL & GAS OPERATING, LLC19,8001983-04-20
3601BASIN OIL & GAS OPERATING, LLC19,8001983-03-02
3506BASIN OIL & GAS OPERATING, LLC17,6001982-11-15
3505BASIN OIL & GAS OPERATING, LLC17,5001982-08-26
3504BASIN OIL & GAS OPERATING, LLC17,5501982-06-01
3503BASIN OIL & GAS OPERATING, LLC110,0001981-08-10
3801BASIN OIL & GAS OPERATING, LLC110,0001981-06-30
3501BASIN OIL & GAS OPERATING, LLC110,2001980-08-11