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2 wells, subsea datum

West to east, under 0.1 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 FTA260 FT ELB257 FT ELCarrizoCarrizoEagle Ford ShaleEagle Ford Shale

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.

FormationARidley 01BMangione-Ridley-Handy SA A
Queen City—-1,717MD 1,974
Reklaw—-2,602MD 2,859
Wilcox—-3,339MD 3,596
Carrizo-5,617MD 5,877-3,255MD 3,512
Midway-8,777MD 9,037—
Austin Chalk—-12,345MD 12,602
Upper Eagle Ford-12,507MD 12,767—
Eagle Ford Shale-12,507MD 12,767-12,564MD 12,821

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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

ARidley 01 #02H 42-255-32196

Pioneer Natural Res. USA, Inc. · Karnes · 260 ft elevation · 21,000 ft TD

FormationMD ftSubsea
CarrizoCARRIZO/WILCOX5,877-5,617
Midway9,037-8,777
Eagle FordEAGLE FORD SHALE12,767-12,507
Eagle FordUPPER EAGLE FORD12,767-12,507

Marathon Oil EF LLC · Karnes · 257 ft elevation · 22,000 ft TD

FormationMD ftSubsea
Queen City1,974-1,717
Reklaw2,859-2,602
Carrizo3,512-3,255
WilcoxWILCOX - DISPOSAL3,596-3,339
Austin ChalkAUSTIN CHALK - H2S12,602-12,345
Eagle FordEAGLE FORD - H2S12,821-12,564

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.