ROCKER B '21'

Oil // district 9 // lease#14711

op: PIONEER NATURAL RES. USA, INC.

cum_oil

22k BBL

cum_gas

0 MCF

wells

2

production

1997-12 — 2026-03

peak_month

2006-07

-- production_history

cum_oil: 22,243 BBL cum_gas: 0 MCF

-- decline_curve_analysis

qi

278 BBL/mo

Di (annual)

35.6%

b-factor

0.4

EUR

14,943 BBL

R-squared

0.765

type

hyperbolic

-- wells (2)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
2GRUY PETROLEUM MANAGEMENT CO.18,2002006-01-09
1HUGOTON ENERGY CORPORATION17,2001997-10-16
EOF // multi-state drilling data platform // 2026