HARVARD

Oil // district 10 // lease#28711

op: PIONEER NATURAL RES. USA, INC.

cum_oil

74k BBL

cum_gas

0 MCF

wells

2

production

1993-01 — 2026-03

peak_month

2005-08

-- production_history

cum_oil: 74,325 BBL cum_gas: 0 MCF

-- decline_curve_analysis

qi

590 BBL/mo

Di (annual)

15.4%

b-factor

0.0

EUR

45,850 BBL

R-squared

0.728

type

exponential

-- wells (2)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
2PIONEER NATURAL RES. USA, INC.19,5002005-04-05
1PARKER & PARSLEY, INC.19,1001984-12-20
EOF // data source: Texas Railroad Commission // 2026