EL MAR /DELAWARE/ UNIT

Oil // district 10 // lease#21246

op: UNION ROYALTY, INC.

cum_oil

2.6M BBL

cum_gas

0 MCF

wells

173

production

1993-01 — 2025-06

peak_month

2001-10

-- production_history

cum_oil: 2,586,760 BBL cum_gas: 0 MCF

-- decline_curve_analysis

qi

22,687 BBL/mo

Di (annual)

18.0%

b-factor

0.0

EUR

1,510,118 BBL

R-squared

0.599

type

exponential

-- wells (173)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
1631OXY USA WTP LP14,6002025-06-19
1223IMERIDIAN OIL INC.24,6852000-10-26
1223WMERIDIAN OIL INC.24,6852000-10-26
2323BURLINGTON RESOURCES OIL&GAS CO.14,5881999-07-01
2343BURLINGTON RESOURCES OIL&GAS CO.14,5641999-07-01
1624ABURLINGTON RESOURCES OIL&GAS CO.14,7001997-02-04
1632AWBURLINGTON RESOURCES OIL&GAS CO.14,7001997-02-04
1634AWBURLINGTON RESOURCES OIL&GAS CO.14,7001997-02-04
1824RBURLINGTON RESOURCES OIL&GAS CO.14,9501997-01-15
1833RBURLINGTON RESOURCES OIL&GAS CO.14,5551997-01-15
1931RBURLINGTON RESOURCES OIL&GAS CO.14,6001997-01-15
1522RMERIDIAN OIL INC.14,6251996-08-20
1534IMERIDIAN OIL INC.14,5001996-07-23
1534WMERIDIAN OIL INC.14,5001996-07-23
1543IMERIDIAN OIL INC.14,5501996-07-23
1543WMERIDIAN OIL INC.14,5501996-07-23
1222RMERIDIAN OIL INC.14,6161996-06-27
1241IMERIDIAN OIL INC.14,6501996-06-27
1241WMERIDIAN OIL INC.14,6501996-06-27
1242AMERIDIAN OIL INC.14,6501995-07-25
1524AMERIDIAN OIL INC.14,6501995-07-25
1951UNION ROYALTY, INC.14,6001989-07-20
111242-301-00151--------
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1943W42-301-00512--------
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1WS42-301-30014--------
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EOF // data source: Texas Railroad Commission // 2026