ERCK

Oil // district 4 // lease#12170

op: PIONEER RESOURCES PRODUCING, L.P

cum_oil

137k BBL

cum_gas

0 MCF

wells

1

production

1993-01 — 2005-07

peak_month

1993-05

-- production_history

cum_oil: 137,362 BBL cum_gas: 0 MCF

-- decline_curve_analysis

qi

4,589 BBL/mo

Di (annual)

43.8%

b-factor

0.0

EUR

125,751 BBL

R-squared

0.673

type

exponential

-- wells (1)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
31TXO PRODUCTION CORP.39,9001992-11-25
EOF // data source: Texas Railroad Commission // 2026