COBLE "C"

Oil // district 11 // lease#3566

op: WALKABOUT OPERATING, LLC

fields: LEVELLAND

cum_oil

192k BBL

cum_gas

0 MCF

wells

10

production

1993-01 — 2026-03

peak_month

2004-03

-- production_history

cum_oil: 192,286 BBL cum_gas: 0 MCF

-- decline_curve_analysis

qi

819 BBL/mo

Di (annual)

5.8%

b-factor

0.0

EUR

160,459 BBL

R-squared

0.745

type

exponential

-- wells (10)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
10WWALKABOUT OPERATING, LLC25,1002025-04-15
6ASUN EXPL. & PROD. CO.-MIDLAND15,2001986-03-27
142-219-80007--------
242-219-00183--------
2W42-219-00183--------
342-219-00185--------
5W42-219-31179--------
7W42-219-31177--------
842-219-31163--------
9WS42-219-82071--------
EOF // data source: Texas Railroad Commission // 2026