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2 wells, subsea datum

West to east, 0.2 miles end to end. Depths are elevation minus measured depth, so tops line up regardless of surface terrain; a value above zero sits above sea level. Each formation filed in more than one well has its own color, joined between neighboring wells and shaded down to the next formation both filed; nothing is interpolated. Where tops come from →

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-0-2,000-4,000-6,000-8,000-10,000-12,000SUBSEA FTA386 FT ELB399 FT ELYeguaYeguaQueen CityQueen CityReklawReklawCarrizoCarrizoWilcoxWilcoxAustin ChalkAustin ChalkEagle FordEagle Ford

shaded: a formation down to the next one filed in both wellsfiled in one well onlyhover a top or a name to pick out one formation

Tops by well

Subsea feet, with measured depth beneath; a dash where the well has no top filed for the formation.

FormationAEgbert-Miller UnitBCrews Unit
Frio—-1,009MD 1,408
Yegua-1,765MD 2,151-1,959MD 2,358
Queen City-3,937MD 4,323-3,737MD 4,136
Reklaw-4,370MD 4,756-4,252MD 4,651
Carrizo-4,920MD 5,306-4,705MD 5,104
Wilcox-6,234MD 6,620-4,870MD 5,269
Austin Chalk-11,800MD 12,186-11,763MD 12,162
Eagle Ford-11,970MD 12,356-11,925MD 12,324

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Only wells with a location on file can be found by distance; a well with tops but no location can still be added by name or API number.

The tops, as filed

Marathon Oil EF LLC · Karnes · 386 ft elevation · 20,000 ft TD

FormationMD ftSubsea
YeguaYEGUA - DISPOSAL2,151-1,765
Queen City4,323-3,937
Reklaw4,756-4,370
Carrizo5,306-4,920
WilcoxWILCOX - DISPOSAL6,620-6,234
Austin ChalkAUSTIN CHALK - H2S12,186-11,800
Eagle FordEAGLE FORD - H2S12,356-11,970

BCrews Unit #14H 42-255-37791

Devon Energy Production Co, L.P. · Karnes · 399 ft elevation · 14,000 ft TD

FormationMD ftSubsea
FrioFRIO - DISPOSAL1,408-1,009
YeguaYEGUA - DISPOSAL2,358-1,959
Queen City4,136-3,737
Reklaw4,651-4,252
Carrizo5,104-4,705
WilcoxWILCOX - DISPOSAL5,269-4,870
Austin ChalkAUSTIN CHALK - H2S12,162-11,763
Eagle FordEAGLE FORD - H2S12,324-11,925

About this data

Formation tops and elevations from the RRC dbf900 wellbore file (completion filings), names normalized to the formations registry; well identity from the permit record, location from the shared well record. Subsea is elevation minus measured depth. Nothing between filed tops is estimated.

New to these records? completion reports and the wellbore file

Developers: this page as JSON is GET /v1/data/cross-section, documented in the API reference.