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2 wells, subsea datum

West to east, 1.0 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 →

ARocker B #139H5 tops×BRocker B #160H5 tops×
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0-1,000-2,000-3,000-4,000SUBSEA FTA2,526 FT ELB2,546 FT ELGrayburgGrayburgSan AndresSan AndresClear ForkClear ForkSpraberrySpraberryWolfcampWolfcamp

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.

FormationARocker BBRocker B
Grayburg655MD 1,871702MD 1,844
San Andres530MD 1,996568MD 1,978
Clear Fork-1,176MD 3,702-935MD 3,481
Spraberry-2,373MD 4,899-2,344MD 4,890
Wolfcamp-3,903MD 6,429-3,851MD 6,397

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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

ARocker B #139H 42-235-36256

Pioneer Natural Res. USA, Inc. · Irion · 2,526 ft elevation · 9,050 ft TD

FormationMD ftSubsea
Grayburg1,871655
San Andres1,996530
Clear ForkCLEARFORK3,702-1,176
Spraberry4,899-2,373
Wolfcamp6,429-3,903

BRocker B #160H 42-235-36458

Pioneer Natural Res. USA, Inc. · Irion · 2,546 ft elevation · 8,763 ft TD

FormationMD ftSubsea
Grayburg1,844702
San Andres1,978568
Clear ForkCLEARFORK3,481-935
Spraberry4,890-2,344
Wolfcamp6,397-3,851

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.