SPITFIRE UNIT

Oil // district 3 // lease#25854

op: ETOCO, L.P.

cum_oil

38k BBL

cum_gas

0 MCF

wells

1

production

2012-02 — 2016-10

peak_month

2012-05

-- production_history

cum_oil: 38,114 BBL cum_gas: 0 MCF

-- decline_curve_analysis

qi

3,637 BBL/mo

Di (annual)

497.7%

b-factor

0.7

EUR

26,161 BBL

R-squared

0.712

type

hyperbolic

-- wells (1)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
1HETOCO, L.P.25,5002011-12-27
EOF // data source: Texas Railroad Commission // 2026