HARTGROVE

Oil // district 9 // lease#10402

op: PIONEER NATURAL RES. USA, INC.

cum_oil

78k BBL

cum_gas

0 MCF

wells

6

production

1993-01 — 2026-03

peak_month

1994-01

-- production_history

cum_oil: 77,735 BBL cum_gas: 0 MCF

-- decline_curve_analysis

qi

416 BBL/mo

Di (annual)

6.1%

b-factor

0.0

EUR

77,915 BBL

R-squared

0.477

type

exponential

-- wells (6)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
6DPARKER & PARSLEY PETROLEUM CO.14,0001986-03-07
5PARKER & PARSLEY, INC.18,2501983-10-26
4PARKER & PARSLEY, INC.18,2501983-10-25
1PARKER & PARSLEY, INC.18,2501983-08-01
2PARKER & PARSLEY, INC.18,2501983-08-01
3PARKER & PARSLEY, INC.18,2501983-08-01
EOF // multi-state drilling data platform // 2026