BOLTON

Oil // district 7 // lease#6356

op: OXY USA INC.

fields: EAST TEXAS

cum_oil

967k BBL

cum_gas

0 MCF

wells

10

production

1993-01 — 2026-03

peak_month

1995-06

-- production_history

cum_oil: 967,197 BBL cum_gas: 0 MCF

-- decline_curve_analysis

qi

14,373 BBL/mo

Di (annual)

32.1%

b-factor

0.0

EUR

536,859 BBL

R-squared

0.717

type

exponential

-- wells (10)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
10CITIES SERVICE OIL & GAS CORP.13,7001988-04-12
142-183-81556--------
242-183-81557--------
342-183-81558--------
442-183-81559--------
542-183-81560--------
642-183-81561--------
742-183-81562--------
842-183-81563--------
942-183-81564--------
EOF // data source: Texas Railroad Commission // 2026