COFFIELD B-11 LEASE (T-470)

Oil // district 3 // lease#12133

op: SIERRA MINERALS, INC.

cum_oil

490 BBL

cum_gas

0 MCF

wells

1

production

1993-01 — 2006-01

peak_month

1996-09

-- production_history

cum_oil: 490 BBL cum_gas: 0 MCF

-- decline_curve_analysis

qi

26 BBL/mo

Di (annual)

77.1%

b-factor

0.0

EUR

396 BBL

R-squared

0.747

type

exponential

-- wells (1)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
3CADDO OIL CO.-CALDWELL DIST.13,4001977-12-09
EOF // multi-state drilling data platform // 2026