PEMBROOK, RALPH -A-

Oil // district 9 // lease#5918

op: STEPHENS, AUTRY C.

cum_oil

135k BBL

cum_gas

0 MCF

wells

4

production

1993-01 — 2023-04

peak_month

1993-12

-- production_history

cum_oil: 135,049 BBL cum_gas: 0 MCF

-- decline_curve_analysis

qi

874 BBL/mo

Di (annual)

7.3%

b-factor

0.0

EUR

139,845 BBL

R-squared

0.418

type

exponential

-- wells (4)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
1SOHIO NATURAL RESOURCES CO.17,2801979-08-31
2SOHIO PETROLEUM CO.16,8081979-02-13
342-461-01891--------
442-461-01892--------
EOF // data source: Texas Railroad Commission // 2026