COLUMBUS PROFESSIONAL BLDGS INC

Oil // district 3 // lease#13027

op: UNION PACIFIC RESOURCES COMPANY

cum_oil

26k BBL

cum_gas

0 MCF

wells

3

production

1993-01 — 2008-09

peak_month

1994-04

-- production_history

cum_oil: 26,464 BBL cum_gas: 0 MCF

-- decline_curve_analysis

qi

3,436 BBL/mo

Di (annual)

174.9%

b-factor

0.0

EUR

23,615 BBL

R-squared

0.585

type

exponential

-- wells (3)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
2COLUMBIA GAS DEVELOPMENT CORP.28,5001994-02-02
2 HCOLUMBIA GAS DEVELOPMENT CORP.28,5001994-02-02
3COLUMBIA GAS DEVELOPMENT CORP.18,5001982-04-08
EOF // data source: Texas Railroad Commission // 2026