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2 wells, subsea datum

West to east, 1.8 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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-0-1,000-2,000-3,000-4,000-5,000-6,000SUBSEA FTA510 FT ELB513 FT ELOlmosOlmosAnacachoAnacachoAustin 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.

FormationAFisher et al UnitBKH Sasser B Unit
Olmos-4,940MD 5,450-5,049MD 5,562
Austin Chalk - H2S, Disposal-6,078MD 6,588—
Anacacho-5,970MD 6,480-6,129MD 6,642
Austin Chalk-6,078MD 6,588-6,248MD 6,761
Eagle Ford-6,464MD 6,974—
Buda-6,698MD 7,208—

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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

AFisher et al Unit #1H 42-013-34757

Virtex Operating Company, Inc. · Atascosa · 510 ft elevation · 8,000 ft TD

FormationMD ftSubsea
OlmosOLMOS - DISPOSAL5,450-4,940
AnacachoANACACHO - H2S6,480-5,970
Austin Chalk6,588-6,078
Austin ChalkAUSTIN CHALK - H2S, DISPOSAL6,588-6,078
Eagle Ford6,974-6,464
Buda7,208-6,698

BKH Sasser B Unit #1H 42-013-36146

Alvarado 2014 LLC · Atascosa · 513 ft elevation · 8,000 ft TD

FormationMD ftSubsea
OlmosOLMOS - DISPOSAL5,562-5,049
AnacachoANACACHO - H2S6,642-6,129
Austin ChalkAUSTIN CHALK - H2S, DISPOSAL6,761-6,248

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.