SEMILLON

Oil // district 10 // lease#40266

op: W&T OFFSHORE, INC.

cum_oil

67k BBL

cum_gas

0 MCF

wells

2

production

2010-06 — 2026-03

peak_month

2011-05

-- production_history

cum_oil: 66,608 BBL cum_gas: 0 MCF

-- decline_curve_analysis

qi

2,026 BBL/mo

Di (annual)

69.0%

b-factor

0.4

EUR

57,673 BBL

R-squared

0.572

type

hyperbolic

-- wells (2)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
1W&T OFFSHORE, INC.412,5002013-11-13
2XOPAL RESOURCES OPERATING CO.,LLC212,0002010-10-27
EOF // data source: Texas Railroad Commission // 2026