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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 →

AKeys Unit #108H5 tops×BKeys Unit #13H4 tops×
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-0-2,000-4,000-6,000-8,000-10,000SUBSEA FTA293 FT ELB293 FT ELMidwayMidwayNavarroNavarroAustin 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.

FormationAKeys UnitBKeys Unit
Midway-7,147MD 7,440-7,131MD 7,424
Navarro-8,137MD 8,430-8,126MD 8,419
Tyler-8,827MD 9,120—
Pecan Gap-9,856MD 10,149—
Austin Chalk-9,958MD 10,251-9,967MD 10,260
Eagleville (Eagle Ford)—-10,242MD 10,535

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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

AKeys Unit #108H 42-255-36688

Magnolia Oil & Gas Operating LLC · Karnes · 293 ft elevation · 12,500 ft TD

FormationMD ftSubsea
Midway7,440-7,147
Navarro8,430-8,137
Tyler9,120-8,827
Pecan Gap10,149-9,856
Austin Chalk10,251-9,958

BKeys Unit #13H 42-255-36687

Magnolia Oil & Gas Operating LLC · Karnes · 293 ft elevation · 12,500 ft TD

FormationMD ftSubsea
Midway7,424-7,131
Navarro8,419-8,126
Austin ChalkAUSTIN CHALK - H2S10,260-9,967
Eagleville (Eagle Ford)10,535-10,242

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.