WELDER B

Oil // district 2 // lease#7748

op: XOG OPERATING LLC

cum_oil

15k BBL

cum_gas

0 MCF

wells

2

production

1993-01 — 2018-04

peak_month

1993-05

-- production_history

cum_oil: 15,148 BBL cum_gas: 0 MCF

-- decline_curve_analysis

qi

2,435 BBL/mo

Di (annual)

278.8%

b-factor

1.2

EUR

70,769 BBL

R-squared

0.782

type

hyperbolic

-- wells (2)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
14ATASCA RESOURCES, INC.38,5002000-06-07
14 LATASCA RESOURCES, INC.38,5002000-06-07
EOF // data source: Texas Railroad Commission // 2026