COLVIN, MARY

Oil // district 8 // lease#22881

op: SOUTHLAND ROYALTY COMPANY

cum_oil

2k BBL

cum_gas

0 MCF

wells

2

production

1993-01 — 1994-05

peak_month

1993-01

-- production_history

cum_oil: 1,568 BBL cum_gas: 0 MCF

-- decline_curve_analysis

qi

290 BBL/mo

Di (annual)

159.0%

b-factor

0.2

EUR

2,713 BBL

R-squared

0.888

type

hyperbolic

-- wells (2)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
2TCS PETROLEUM CO., LLC26,7002014-10-30
1SOUTHLAND ROYALTY COMPANY16,7001985-06-11
EOF // data source: Texas Railroad Commission // 2026