REO (JO-MILL) UNIT

Oil · District 11 · Lease #66511

Operator: GREAT WESTERN DRILLING COMPANY

Cum Oil

1.6M BBL

Cum Gas

0 MCF

Wells

20

Production

1993-01 — 2026-03

Peak Month

1997-01

Production History

Cum Oil: 1,613,368 BBL Cum Gas: 0 MCF

Decline Curve Analysis

qi

10,944 BBL/mo

Di (annual)

14.9%

b-factor

0.4

EUR

1,284,998 BBL

R-squared

0.907

type

hyperbolic

Wells (20)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
3604GREAT WESTERN DRILLING COMPANY17,8002014-01-09
3511GREAT WESTERN DRILLING COMPANY17,8002013-11-23
3509GREAT WESTERN DRILLING COMPANY17,8002012-04-16
3510GREAT WESTERN DRILLING COMPANY17,8002012-04-16
3508GREAT WESTERN DRLG. CO.17,5001993-08-09
W 1SWGREAT WESTERN DRLG. CO.11,2001990-10-04
W 2SWGREAT WESTERN DRLG. CO.11,2001990-10-04
2503GREAT WESTERN DRLG. CO.27,4001984-03-28
3507TEXANA RESOURCES CORP.17,5001983-12-05
2501GREAT WESTERN DRLG. CO.27,4001983-08-30
W 25SWGREAT WESTERN DRLG. CO.27,4001983-08-30
3602TEXANA RESOURCES CORP.19,8001983-04-20
3603DTEXANA RESOURCES CORP.19,8001983-04-20
3601TEXANA RESOURCES CORP.19,8001983-03-02
3506TEXANA RESOURCES CORP.17,6001982-11-15
3505TEXANA RESOURCES CORP.17,5001982-08-26
3504TEXANA RESOURCES CORP.17,5501982-06-01
3503TEXANA RESOURCES CORP.110,0001981-08-10
3801TEXANA RESOURCES CORP.110,0001981-06-30
3501TEXANA RESOURCES CORP.110,2001980-08-11
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