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2 wells, subsea datum

West to east, 0.9 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 FTA271 FT ELB257 FT ELAustin 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.

FormationAMangione 01BMangione-Ridley-Handy SA A
Queen City—-1,717MD 1,974
Reklaw—-2,602MD 2,859
Carrizo—-3,255MD 3,512
Wilcox—-3,339MD 3,596
Midway-8,579MD 8,850—
Austin Chalk Upper-12,238MD 12,509—
Austin Chalk-12,238MD 12,509-12,345MD 12,602
Eagle Ford-12,588MD 12,859-12,564MD 12,821
Eagle Ford Shale-12,588MD 12,859—

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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

AMangione 01 #05H 42-255-33201

Pioneer Natural Res. USA, Inc. · Karnes · 271 ft elevation · 21,000 ft TD

FormationMD ftSubsea
Midway8,850-8,579
Austin Chalk12,509-12,238
Austin ChalkAUSTIN CHALK UPPER12,509-12,238
Eagle Ford12,859-12,588
Eagle FordEAGLE FORD SHALE12,859-12,588

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.