MARTIN, D.D.

Oil // district 6 // lease#10175

op: SPENCE, RALPH OIL COMPANY, INC.

cum_oil

27k BBL

cum_gas

0 MCF

wells

2

production

1993-01 — 2012-02

peak_month

1993-03

-- production_history

cum_oil: 27,191 BBL cum_gas: 0 MCF

-- decline_curve_analysis

qi

538 BBL/mo

Di (annual)

129.6%

b-factor

0.8

EUR

15,655 BBL

R-squared

0.475

type

hyperbolic

-- wells (2)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
2SPENCE, RALPH OIL COMPANY, INC.14,4501989-06-16
142-073-00124--------
EOF // data source: Texas Railroad Commission // 2026