RICHARDS 47A

Oil // district 10 // lease#39423

op: PIONEER NATURAL RES. USA, INC.

cum_oil

25k BBL

cum_gas

0 MCF

wells

2

production

2006-12 — 2026-03

peak_month

2007-10

-- production_history

cum_oil: 25,439 BBL cum_gas: 0 MCF

-- decline_curve_analysis

qi

587 BBL/mo

Di (annual)

52.9%

b-factor

0.4

EUR

21,634 BBL

R-squared

0.793

type

hyperbolic

-- wells (2)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
2PIONEER NATURAL RES. USA, INC.111,0002006-11-29
1PIONEER NATURAL RES. USA, INC.210,6002006-09-07
EOF // multi-state drilling data platform // 2026