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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 FTA367 FT ELB354 FT ELAustin ChalkAustin Chalk

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.

FormationASienkiewicz Unit ACBCrew Unit A
Yegua-1,846MD 2,213—
Queen City-4,110MD 4,477—
Reklaw-4,466MD 4,833—
Carrizo-5,040MD 5,407—
Wilcox-6,405MD 6,772—
Pecan Gap—-11,854MD 12,208
Austin Chalk-12,032MD 12,399-12,020MD 12,374
Eagle Ford—-12,155MD 12,509

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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 · 367 ft elevation · 19,000 ft TD

FormationMD ftSubsea
YeguaYEGUA - DISPOSAL2,213-1,846
Queen City4,477-4,110
Reklaw4,833-4,466
Carrizo5,407-5,040
WilcoxWILCOX - DISPOSAL6,772-6,405
Austin ChalkAUSTIN CHALK - H2S12,399-12,032

BCrew Unit A #1 42-255-32148

Burlington Resources O & G Co LP · Karnes · 354 ft elevation · 13,600 ft TD

FormationMD ftSubsea
Pecan Gap12,208-11,854
Austin Chalk12,374-12,020
Eagle Ford12,509-12,155

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.