COVINGTON "21"

Oil · District 11 · Lease #68653

Operator: GREAT WESTERN DRILLING COMPANY

Cum Oil

50k BBL

Cum Gas

0 MCF

Wells

2

Production

2003-09 — 2026-03

Peak Month

2013-12

Production History

Cum Oil: 50,490 BBL Cum Gas: 0 MCF

Decline Curve Analysis

qi

391 BBL/mo

Di (annual)

19.5%

b-factor

0.7

EUR

46,910 BBL

R-squared

0.812

type

hyperbolic

Wells (2)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
2BASIN OIL & GAS OPERATING, LLC18,7002025-07-18
1GREAT WESTERN DRLG. CO.18,5002003-07-16
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