SUGG 11

Oil // district 9 // lease#19151

op: KEYSTONE PETROLEUM NM LLC

cum_oil

2k BBL

cum_gas

0 MCF

wells

1

production

2015-02 — 2026-03

peak_month

2018-11

-- production_history

cum_oil: 1,780 BBL cum_gas: 0 MCF

-- decline_curve_analysis

qi

30 BBL/mo

Di (annual)

38.6%

b-factor

0.0

EUR

895 BBL

R-squared

0.413

type

exponential

-- wells (1)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
3UNION TEXAS PETROLEUM CORP.27,3002014-05-14
EOF // data source: Texas Railroad Commission // 2026