CHRIESMAN -A-

Oil // district 10 // lease#20093

op: PIONEER NATURAL RES. USA, INC.

cum_oil

145k BBL

cum_gas

0 MCF

wells

6

production

1993-01 — 2026-03

peak_month

1997-09

-- production_history

cum_oil: 144,657 BBL cum_gas: 0 MCF

-- decline_curve_analysis

qi

1,397 BBL/mo

Di (annual)

20.8%

b-factor

0.7

EUR

160,143 BBL

R-squared

0.674

type

hyperbolic

-- wells (6)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
6GRUY PETROLEUM MANAGEMENT CO.18,9502006-04-04
5NEARBURG PRODUCING COMPANY312,0002000-10-27
4HUGOTON ENERGY CORPORATION29,1001997-04-16
3HUGOTON ENERGY CORPORATION29,1001997-03-14
142-173-10239--------
242-173-10285--------
EOF // data source: Texas Railroad Commission // 2026