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2 wells, subsea datum

West to east, 0.6 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 →

AFuji Unit #105H5 tops×BIsabelle #4H3 tops×
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-0-2,000-4,000-6,000-8,000-10,000SUBSEA FTA431 FT ELB458 FT ELCarrizoCarrizoWilcoxWilcoxAustin 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.

FormationAFuji UnitBIsabelle
Queen City-2,670MD 3,101—
Reklaw-3,073MD 3,504—
Carrizo-3,869MD 4,300-4,617MD 5,075
Wilcox-3,793MD 4,224-5,642MD 6,100
Austin Chalk-10,112MD 10,543-10,072MD 10,530

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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

AFuji Unit #105H 42-255-35673

EOG Resources, Inc. · Karnes · 431 ft elevation · 13,000 ft TD

FormationMD ftSubsea
Queen City3,101-2,670
Reklaw3,504-3,073
WilcoxWILCOX - DISPOSAL4,224-3,793
Carrizo4,300-3,869
Austin ChalkAUSTIN CHALK - H2S10,543-10,112

BIsabelle #4H 42-255-36948

Tidal Petroleum, Inc. · Karnes · 458 ft elevation · 10,650 ft TD

FormationMD ftSubsea
Carrizo5,075-4,617
WilcoxWILCOX - DISPOSAL6,100-5,642
Austin ChalkAUSTIN CHALK - H2S10,530-10,072

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.