DUNN

Oil // district 10 // lease#30279

op: PIONEER NATURAL RES. USA, INC.

cum_oil

492 BBL

cum_gas

0 MCF

wells

1

production

1993-01 — 2011-11

peak_month

1993-01

-- production_history

cum_oil: 492 BBL cum_gas: 0 MCF

-- decline_curve_analysis

qi

83 BBL/mo

Di (annual)

194.0%

b-factor

2.0

EUR

6,625 BBL

R-squared

0.801

type

hyperbolic

-- wells (1)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
2TAMARAY, INC212,5001993-05-19
EOF // data source: Texas Railroad Commission // 2026