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2 wells, subsea datum

West to east, 3.5 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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1,000-0-1,000-2,000-3,000SUBSEA FTA2,895 FT ELB2,633 FT ELSan AndresSan AndresSpraberrySpraberry

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.

FormationAJO-Mill West UnitBCanon Ranch Unit
Santa Rosa—1,962MD 671
Rustler—1,256MD 1,377
Yates—693MD 1,940
San Andres-605MD 3,500-635MD 3,268
Clear Fork—-1,739MD 4,372
Leonard—-3,394MD 6,027
Spraberry-3,675MD 6,570-3,619MD 6,252

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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

Estancia Oil & Gas, LLC · Dawson · 2,895 ft elevation · 8,000 ft TD

FormationMD ftSubsea
San AndresSAN ANDRES - ACTIVE CO2 FLOOD; H3,500-605
Spraberry6,570-3,675

Relentless Permian Operating LLC · Borden · 2,633 ft elevation · 8,500 ft TD

FormationMD ftSubsea
Santa RosaSANTA ROSA - GAU PROTECTION6711,962
RustlerRUSTLER - GAU PROTECTION1,3771,256
Yates1,940693
San AndresSAN ANDRES - HIGH FLOWS, H2S, CO3,268-635
Clear ForkCLEARFORK4,372-1,739
LeonardLEONARD LIME6,027-3,394
Spraberry6,252-3,619

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.