KLAPPROTH

Oil // district 10 // lease#28661

op: PIONEER NATURAL RES. USA, INC.

cum_oil

108k BBL

cum_gas

0 MCF

wells

2

production

1993-01 — 2026-03

peak_month

2011-05

-- production_history

cum_oil: 107,753 BBL cum_gas: 0 MCF

-- decline_curve_analysis

qi

2,154 BBL/mo

Di (annual)

63.6%

b-factor

0.6

EUR

87,861 BBL

R-squared

0.880

type

hyperbolic

-- wells (2)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
2PIONEER NATURAL RES. USA, INC.111,3002010-10-18
1PARKER & PARSLEY, INC.19,6001983-09-13
EOF // multi-state drilling data platform // 2026