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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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-0-1,000-2,000-3,000-4,000SUBSEA FTA2,696 FT ELB2,696 FT ELQueenQueenGrayburgGrayburgSan AndresSan AndresClear ForkClear ForkSpraberrySpraberry

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.

FormationAMadison-Sherrod 13GBMadison-Sherrod 13J
Queen-265MD 2,961-285MD 2,981
Grayburg-651MD 3,347-651MD 3,347
San Andres-895MD 3,591-917MD 3,613
Clear Fork-3,084MD 5,780-3,064MD 5,760
Spraberry-3,995MD 6,691-3,990MD 6,686

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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. · Reagan · 2,696 ft elevation · 10,481 ft TD

FormationMD ftSubsea
Queen2,961-265
Grayburg3,347-651
San AndresSAN ANDRES - SALTWATER FLOW, POS3,591-895
Clear ForkCLEARFORK5,780-3,084
Spraberry6,691-3,995

Pioneer Natural Res. USA, Inc. · Reagan · 2,696 ft elevation · 10,481 ft TD

FormationMD ftSubsea
Queen2,981-285
Grayburg3,347-651
San AndresSAN ANDRES - SALTWATER FLOW, POS3,613-917
Clear ForkCLEARFORK5,760-3,064
Spraberry6,686-3,990

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.