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2 wells, subsea datum

West to east, 0.5 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 →

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-0-2,000-4,000-6,000-8,000-10,000SUBSEA FTA309 FT ELB325 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.

FormationAFoegelle-Dugie UnitBSalt Blue
Carrizo-3,141MD 3,450—
Reklaw-3,651MD 3,960—
Yegua-3,691MD 4,000—
Wilcox-4,671MD 4,980—
Queen City-6,131MD 6,440—
Midway—-6,552MD 6,877
Nevarro—-7,698MD 8,023
Tylor—-8,491MD 8,816
Pecan Gap—-9,737MD 10,062
Austin Chalk-9,793MD 10,102-9,824MD 10,149
Eagle Ford—-10,119MD 10,444

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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

Enervest Operating, L.L.C. · Karnes · 309 ft elevation · 10,500 ft TD

FormationMD ftSubsea
Carrizo3,450-3,141
Reklaw3,960-3,651
YeguaYEGUA - DISPOSAL4,000-3,691
WilcoxWILCOX - DISPOSAL4,980-4,671
Queen City6,440-6,131
Austin ChalkAUSTIN CHALK - H2S10,102-9,793

BSalt Blue #5H 42-255-37965

Magnolia Oil & Gas Operating LLC · Karnes · 325 ft elevation · 12,000 ft TD

FormationMD ftSubsea
Midway6,877-6,552
Nevarro8,023-7,698
Tylor8,816-8,491
Pecan Gap10,062-9,737
Austin Chalk10,149-9,824
Eagle Ford10,444-10,119

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.