BLALOCK A

Oil // district 10 // lease#39750

op: XTO ENERGY INC.

cum_oil

102k BBL

cum_gas

0 MCF

wells

4

production

2009-10 — 2026-03

peak_month

2014-05

-- production_history

cum_oil: 101,655 BBL cum_gas: 0 MCF

-- decline_curve_analysis

qi

1,342 BBL/mo

Di (annual)

27.8%

b-factor

0.0

EUR

57,919 BBL

R-squared

0.449

type

exponential

-- wells (4)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
4814BERRY OIL COMP.112,0002012-07-10
4802PIEDRA OPERATING, LLC211,5002012-03-05
4803BERRY OIL COMP.112,0002011-12-21
4811PIEDRA OPERATING, LLC111,0002009-08-03
EOF // multi-state drilling data platform // 2026