CASS

Oil // district 10 // lease#32149

op: PIONEER NATURAL RES. USA, INC.

cum_oil

40k BBL

cum_gas

0 MCF

wells

1

production

1993-01 — 2015-07

peak_month

1993-01

-- production_history

cum_oil: 39,687 BBL cum_gas: 0 MCF

-- decline_curve_analysis

qi

242 BBL/mo

Di (annual)

4.3%

b-factor

0.0

EUR

59,446 BBL

R-squared

0.654

type

exponential

-- wells (1)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
1PARKER & PARSLEY PETROLEUM CO.29,5501988-12-05
EOF // data source: Texas Railroad Commission // 2026