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2 wells, subsea datum

West to east, 0.8 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 →

ADunkirk Unit #1H7 tops×BTullos #6D4 tops×
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1,000-0-1,000-2,000-3,000SUBSEA FTA2,067 FT ELB2,076 FT ELSan AndresSan AndresClear ForkClear ForkWichita-AlbanyWichita-Albany

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.

FormationADunkirk UnitBTullos
Grayburg—1,833MD 243
San Andres1,667MD 4001,749MD 327
Glorieta1,368MD 699—
Clear Fork1,298MD 7691,359MD 717
Tubb837MD 1,230—
Wichita-Albany-559MD 2,626-824MD 2,900
Wolfcamp-1,699MD 3,766—
Canyon-3,752MD 5,819—

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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

ADunkirk Unit #1H 42-235-36618

Moriah Operating,llc · Irion · 2,067 ft elevation · 8,000 ft TD

FormationMD ftSubsea
San Andres4001,667
GlorietaGLORIETTA6991,368
Clear ForkCLEARFORK7691,298
Tubb1,230837
Wichita-AlbanyWICHITA ALBANY2,626-559
Wolfcamp3,766-1,699
Canyon5,819-3,752

BTullos #6D 42-235-36576

Moriah Operating,llc · Irion · 2,076 ft elevation · 3,700 ft TD

FormationMD ftSubsea
Grayburg2431,833
San Andres3271,749
Clear ForkCLEARFORK7171,359
Wichita-AlbanyWICHITA ALBANY2,900-824

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.