ROBERSON

Oil // district 10 // lease#28513

op: PIONEER NATURAL RES. USA, INC.

cum_oil

10k BBL

cum_gas

0 MCF

wells

1

production

1993-01 — 2003-10

peak_month

1996-09

-- production_history

cum_oil: 10,142 BBL cum_gas: 0 MCF

-- decline_curve_analysis

qi

247 BBL/mo

Di (annual)

67.0%

b-factor

2.0

EUR

32,008 BBL

R-squared

0.504

type

hyperbolic

-- wells (1)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
1PARKER & PARSLEY, INC.19,4501983-09-19
EOF // multi-state drilling data platform // 2026