HALL TRUST

Oil // district 11 // lease#68609

op: YUCCA ENERGY, INC.

cum_oil

153k BBL

cum_gas

0 MCF

wells

6

production

2003-08 — 2015-04

peak_month

2004-06

-- production_history

cum_oil: 152,603 BBL cum_gas: 0 MCF

-- decline_curve_analysis

qi

2,484 BBL/mo

Di (annual)

18.8%

b-factor

0.0

EUR

158,460 BBL

R-squared

0.861

type

exponential

-- wells (6)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
6YUCCA ENERGY, INC.25,8002011-06-20
5YUCCA ENERGY, INC.15,8002007-07-24
4YUCCA ENERGY, INC.15,8002004-09-09
3YUCCA ENERGY, INC.15,8002004-04-29
2YUCCA ENERGY, INC.15,8002003-12-18
1YUCCA ENERGY, INC.15,8002003-07-10
EOF // multi-state drilling data platform // 2026