SHELDON UNIT

Oil // district 3 // lease#26251

op: DECKER OPERATING CO., L.L.C.

cum_oil

172k BBL

cum_gas

0 MCF

wells

1

production

2013-01 — 2026-03

peak_month

2013-02

-- production_history

cum_oil: 172,238 BBL cum_gas: 0 MCF

-- decline_curve_analysis

qi

2,236 BBL/mo

Di (annual)

17.4%

b-factor

0.1

EUR

170,427 BBL

R-squared

0.492

type

hyperbolic

-- wells (1)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
1HDECKER OPERATING CO., L.L.C.113,8502012-08-24
EOF // data source: Texas Railroad Commission // 2026