HARTGROVE "A"

Oil // district 9 // lease#10492

op: PIONEER NATURAL RES. USA, INC.

cum_oil

20k BBL

cum_gas

0 MCF

wells

1

production

1993-01 — 2025-06

peak_month

1993-01

-- production_history

cum_oil: 19,932 BBL cum_gas: 0 MCF

-- decline_curve_analysis

qi

148 BBL/mo

Di (annual)

10.6%

b-factor

0.3

EUR

21,265 BBL

R-squared

0.652

type

hyperbolic

-- wells (1)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
1PARKER & PARSLEY, INC.18,2501983-10-26
EOF // multi-state drilling data platform // 2026