TOOLS · CROSS-SECTION · TEXAS

2 wells, subsea datum

West to east, 1.5 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 →

ASchlabach #1H3 tops×BTannenberg #2H3 tops×
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-0-2,000-4,000-6,000-8,000-10,000-12,000SUBSEA FTA381 FT ELB398 FT ELWilcoxWilcoxAustin 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.

FormationASchlabachBTannenberg
Wilcox-4,169MD 4,550-6,923MD 7,321
Pecan Gap-11,767MD 12,148—
Austin Chalk-12,953MD 13,334-13,136MD 13,534
Giddings (Austin Chalk, Gas)—-13,136MD 13,534

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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

ASchlabach #1H 42-149-33437

Geosouthern Operating II, LLC · Fayette · 381 ft elevation · 15,000 ft TD

FormationMD ftSubsea
WilcoxWILCOX - DISPOSAL4,550-4,169
Pecan Gap12,148-11,767
Austin Chalk13,334-12,953

BTannenberg #2H 42-015-31076

Verdun Oil & Gas LLC · Austin · 398 ft elevation · 15,000 ft TD

FormationMD ftSubsea
WilcoxWILCOX - DISPOSAL7,321-6,923
Austin Chalk13,534-13,136
Giddings (Austin Chalk, Gas)13,534-13,136

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.