ROCKER B -E-

Oil // district 9 // lease#6173

op: PIONEER NATURAL RES. USA, INC.

cum_oil

133k BBL

cum_gas

0 MCF

wells

16

production

1993-01 — 2016-01

peak_month

2011-11

-- production_history

cum_oil: 133,492 BBL cum_gas: 0 MCF

-- decline_curve_analysis

qi

3,943 BBL/mo

Di (annual)

324.3%

b-factor

1.8

EUR

209,479 BBL

R-squared

0.832

type

hyperbolic

-- wells (16)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
12PIONEER NATURAL RES. USA, INC.19,6002011-03-30
15PIONEER NATURAL RES. USA, INC.19,6002011-03-30
11PIONEER NATURAL RES. USA, INC.29,7002010-06-25
5GRUY PETROLEUM MANAGEMENT CO.28,5002006-01-06
6GRUY PETROLEUM MANAGEMENT CO.18,5002006-01-06
4HUGOTON ENERGY CORPORATION17,2001997-10-16
2HUGOTON ENERGY CORPORATION17,2001997-08-27
10HUGOTON ENERGY CORPORATION17,3001997-04-11
9HUGOTON ENERGY CORPORATION17,3001997-03-07
1 E42-235-30198--------
2 E42-235-30220--------
4 E42-235-30197--------
5 E42-235-30196--------
6 E42-235-30206--------
7 E42-235-30199--------
8 E42-235-30195--------
EOF // multi-state drilling data platform // 2026