HEIDELBERG "A"

Oil // district 10 // lease#33074

op: PIONEER NATURAL RES. USA, INC.

cum_oil

56k BBL

cum_gas

0 MCF

wells

1

production

1993-01 — 2026-03

peak_month

1993-01

-- production_history

cum_oil: 55,782 BBL cum_gas: 0 MCF

-- decline_curve_analysis

qi

446 BBL/mo

Di (annual)

15.2%

b-factor

0.4

EUR

51,358 BBL

R-squared

0.670

type

hyperbolic

-- wells (1)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
1PARKER & PARSLEY, LTD.19,7501991-01-23
EOF // multi-state drilling data platform // 2026