ROCKER B "4"

Oil // district 9 // lease#15028

op: PIONEER NATURAL RES. USA, INC.

cum_oil

40k BBL

cum_gas

0 MCF

wells

8

production

2000-10 — 2026-03

peak_month

2008-01

-- production_history

cum_oil: 39,877 BBL cum_gas: 0 MCF

-- decline_curve_analysis

qi

459 BBL/mo

Di (annual)

25.1%

b-factor

0.0

EUR

21,940 BBL

R-squared

0.727

type

exponential

-- wells (8)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
125GRUY PETROLEUM MANAGEMENT CO.18,2002006-01-09
106HUGOTON ENERGY CORPORATION17,0001996-11-25
83MORAN EXPLORATION, INC.16,9001979-11-20
2842-383-30162--------
3142-383-30165--------
3242-383-30131--------
3342-383-30133--------
3542-383-30144--------
EOF // multi-state drilling data platform // 2026