COVINGTON "21"

Oil // district 11 // lease#68653

op: 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
EOF // data source: Texas Railroad Commission // 2026