SOUTH, C. S.

Oil // district 6 // lease#702

op: SPENCE, RALPH OIL COMPANY, INC.

cum_oil

226k BBL

cum_gas

0 MCF

wells

9

production

1993-01 — 2026-03

peak_month

1993-03

-- production_history

cum_oil: 226,131 BBL cum_gas: 0 MCF

-- decline_curve_analysis

qi

1,785 BBL/mo

Di (annual)

19.7%

b-factor

0.7

EUR

212,583 BBL

R-squared

0.761

type

hyperbolic

-- wells (9)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
1ASPENCE, RALPH OIL COMPANY, INC.24,4502012-01-04
10SPENCE, RALPH OIL COMPANY, INC.14,4501991-08-21
9SPENCE, RALPH OIL COMPANY, INC.14,4501990-10-01
7SPENCE, RALPH OIL COMPANY, INC.14,4501989-06-02
1W42-073-80006--------
242-073-00120--------
442-073-00122--------
542-073-00123--------
642-073-30080--------
EOF // data source: Texas Railroad Commission // 2026