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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 →

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1,000-0-1,000-2,000-3,000-4,000SUBSEA FTA2,735 FT ELB2,736 FT ELSanta RosaSanta RosaYatesYatesQueenQueenGrayburgGrayburgSan 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.

FormationAGlaspie-Harvard 11NBHazelwood-Cross 11B
Santa Rosa1,610MD 1,1251,403MD 1,333
Yates232MD 2,503231MD 2,505
Queen-672MD 3,407-577MD 3,313
Grayburg-1,161MD 3,896-1,121MD 3,857
San Andres-1,396MD 4,131-1,367MD 4,103
Clear Fork—-3,672MD 6,408
Spraberry-4,632MD 7,367-4,628MD 7,364

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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

Pioneer Natural Res. USA, Inc. · Martin · 2,735 ft elevation · 9,500 ft TD

FormationMD ftSubsea
Santa Rosa1,1251,610
Yates2,503232
Queen3,407-672
Grayburg3,896-1,161
San AndresSAN ANDRES - ACTIVE CO2 FLOOD; H4,131-1,396
Spraberry7,367-4,632

Pioneer Natural Res. USA, Inc. · Martin · 2,736 ft elevation · 10,419 ft TD

FormationMD ftSubsea
Santa Rosa1,3331,403
Yates2,505231
Queen3,313-577
Grayburg3,857-1,121
San AndresSAN ANDRES - ACTIVE CO2 FLOOD; H4,103-1,367
Clear ForkCLEARFORK6,408-3,672
Spraberry7,364-4,628

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.