WELDER B

Oil // district 2 // lease#6081

op: XOG OPERATING LLC

cum_oil

444k BBL

cum_gas

0 MCF

wells

8

production

1993-01 — 2026-03

peak_month

1997-08

-- production_history

cum_oil: 443,755 BBL cum_gas: 0 MCF

-- decline_curve_analysis

qi

8,220 BBL/mo

Di (annual)

106.0%

b-factor

0.5

EUR

179,351 BBL

R-squared

0.851

type

hyperbolic

-- wells (8)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
5 LTE-RAY RESOURCES, INC48,4142004-01-13
11TE-RAY RESOURCES, INC58,5002003-12-03
15ATASCA RESOURCES, INC.48,0002000-06-07
9 UWILLIAMS EXPL CO A DELAWARE CORP38,3751999-12-20
9-UWILLIAMS EXPL CO A DELAWARE CORP38,3751999-12-20
4WILLIAMS EXPL CO A DELAWARE CORP78,4501995-11-23
4 UWILLIAMS EXPL CO A DELAWARE CORP78,4501995-11-23
7 UWILLIAMS EXPL CO A DELAWARE CORP78,6001993-11-23
EOF // multi-state drilling data platform // 2026