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2 wells, subsea datum

West to east, 0.4 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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-0-2,000-4,000-6,000-8,000SUBSEA FTA411 FT ELB412 FT ELWilcoxWilcoxMidwayMidwayNavarroNavarroPecan GapPecan GapAustin 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.

FormationASummerbliss FourBDayblazer Black
Wilcox - Disposal—-3,839MD 4,251
Wilcox-3,897MD 4,308-3,838MD 4,250
Midway-6,291MD 6,702-6,046MD 6,458
Navarro-7,367MD 7,778-7,488MD 7,900
Taylor-7,893MD 8,304—
Tyler—-8,021MD 8,433
Pecan Gap-8,807MD 9,218-8,978MD 9,390
Austin Chalk-9,376MD 9,787-9,524MD 9,936

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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

Magnolia Oil & Gas Operating LLC · Fayette · 411 ft elevation · 11,700 ft TD

FormationMD ftSubsea
Wilcox4,308-3,897
Midway6,702-6,291
Navarro7,778-7,367
Taylor8,304-7,893
Pecan Gap9,218-8,807
Austin Chalk9,787-9,376

Magnolia Oil & Gas Operating LLC · Fayette · 412 ft elevation · 10,850 ft TD

FormationMD ftSubsea
Wilcox4,250-3,838
WilcoxWILCOX - DISPOSAL4,251-3,839
Midway6,458-6,046
Navarro7,900-7,488
Tyler8,433-8,021
Pecan Gap9,390-8,978
Austin Chalk9,936-9,524

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.