CYPHERS "A"

Oil // district 6 // lease#12728

op: RIG RUNNER EXPRESS, INC.

cum_oil

35k BBL

cum_gas

0 MCF

wells

1

production

1993-01 — 2008-03

peak_month

1993-03

-- production_history

cum_oil: 34,783 BBL cum_gas: 0 MCF

-- decline_curve_analysis

qi

722 BBL/mo

Di (annual)

21.0%

b-factor

0.6

EUR

75,834 BBL

R-squared

0.832

type

hyperbolic

-- wells (1)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
1TXO PRODUCTION CORP.17,4001990-06-01
EOF // data source: Texas Railroad Commission // 2026