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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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-0-2,000-4,000-6,000-8,000-10,000SUBSEA FTA489 FT ELB489 FT ELCarrizoCarrizoAustin 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.

FormationATrench Foot Unit EBTrench Foot Unit D
Queen City—-2,286MD 2,775
Wilcox—-2,361MD 2,850
Reklaw—-2,864MD 3,353
Carrizo-9,481MD 9,970-3,479MD 3,968
Austin Chalk-9,580MD 10,069-9,651MD 10,140
Eagle Ford-9,852MD 10,341-9,862MD 10,351

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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

Verdun Oil & Gas LLC · Karnes · 489 ft elevation · 11,500 ft TD

FormationMD ftSubsea
Carrizo9,970-9,481
Austin ChalkAUSTIN CHALK - H2S10,069-9,580
Eagle FordEAGLE FORD - H2S10,341-9,852

Verdun Oil & Gas LLC · Karnes · 489 ft elevation · 11,500 ft TD

FormationMD ftSubsea
Queen City2,775-2,286
WilcoxWILCOX - DISPOSAL2,850-2,361
Reklaw3,353-2,864
Carrizo3,968-3,479
Austin ChalkAUSTIN CHALK - H2S10,140-9,651
Eagle FordEAGLE FORD - H2S10,351-9,862

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.