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2 wells, subsea datum

West to east, 0.9 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 →

ADredd #1H3 tops×BMarcus Three #H 035 tops×
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-0-2,000-4,000-6,000-8,000-10,000-12,000SUBSEA FTA288 FT ELB295 FT ELPecan 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.

FormationADreddBMarcus Three
Wilcox-5,012MD 5,300—
Midway—-9,371MD 9,666
Navarro—-10,336MD 10,631
Taylor—-10,814MD 11,109
Pecan Gap-11,961MD 12,249-11,824MD 12,119
Austin Chalk-12,552MD 12,840-12,530MD 12,825

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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

ADredd #1H 42-149-33482

Ramtex Energy LLC · Fayette · 288 ft elevation · 14,000 ft TD

FormationMD ftSubsea
WilcoxWILCOX - DISPOSAL5,300-5,012
Pecan Gap12,249-11,961
Austin Chalk12,840-12,552

BMarcus Three #H 03 42-149-33599

Magnolia Oil & Gas Operating LLC · Fayette · 295 ft elevation · 14,000 ft TD

FormationMD ftSubsea
Midway9,666-9,371
Navarro10,631-10,336
TaylorTAYLOR GROUP11,109-10,814
Pecan Gap12,119-11,824
Austin Chalk12,825-12,530

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.