MITCHELL -S-

Oil // district 13 // lease#5156

op: QUATRO OIL AND GAS, INC.

cum_oil

23k BBL

cum_gas

0 MCF

wells

9

production

1993-01 — 2026-03

peak_month

2016-12

-- production_history

cum_oil: 22,504 BBL cum_gas: 0 MCF

-- decline_curve_analysis

qi

229 BBL/mo

Di (annual)

9.1%

b-factor

0.2

EUR

34,993 BBL

R-squared

0.469

type

hyperbolic

-- wells (9)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
S 14QUATRO OIL AND GAS, INC.12,0002011-09-22
S 15QUATRO OIL AND GAS, INC.12,0002011-09-22
1142-485-02694--------
242-485-81909--------
442-485-81910--------
542-485-81911--------
642-485-81912--------
742-485-81913--------
942-485-02693--------
EOF // data source: Texas Railroad Commission // 2026