ERCK

Oil // district 4 // lease#11371

op: PIONEER RESOURCES PRODUCING, L.P

cum_oil

96k BBL

cum_gas

0 MCF

wells

3

production

1993-01 — 2004-04

peak_month

1998-07

-- production_history

cum_oil: 96,349 BBL cum_gas: 0 MCF

-- decline_curve_analysis

qi

2,425 BBL/mo

Di (annual)

165.6%

b-factor

0.0

EUR

17,591 BBL

R-squared

0.651

type

exponential

-- wells (3)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
9TXO PRODUCTION CORP.810,7002001-03-12
31TXO PRODUCTION CORP.39,9001992-11-25
13 LTXO PRODUCTION CORP.69,8001987-12-30
EOF // data source: Texas Railroad Commission // 2026