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2 wells, subsea datum

West to east, 0.5 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 →

AWhistler SWD #18 tops×BHolubec #29 tops×
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0-2,000-4,000-6,000-8,000SUBSEA FTA2,715 FT ELB2,723 FT EL

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.

FormationAWhistler SWDBHolubec
Santa Rosa1,764MD 951—
Rustler1,021MD 1,694—
Yates117MD 2,598—
Seven Rivers11MD 2,704—
Queen-764MD 3,479—
Grayburg-1,263MD 3,978—
San Andres-1,588MD 4,303—
Glorieta-3,013MD 5,728—
Spraberry—-4,827MD 7,550
Lower Spraberry—-5,402MD 8,125
Dean—-6,227MD 8,950
Wolfcamp—-6,527MD 9,250
Wolfcamp Lime—-6,527MD 9,250
Strawn—-7,837MD 10,560
Strawn Lime—-7,837MD 10,560
Atoka—-8,277MD 11,000
Bend—-8,277MD 11,000

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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

AWhistler SWD #1 42-329-46594

Permian Deep Rock Oil Co., LLC · Midland · 2,715 ft elevation · 6,000 ft TD

FormationMD ftSubsea
Santa Rosa9511,764
Rustler1,6941,021
Yates2,598117
Seven Rivers2,70411
Queen3,479-764
Grayburg3,978-1,263
San AndresSAN ANDRES - HIGH FLOWS, H2S, CO4,303-1,588
Glorieta5,728-3,013

BHolubec #2 42-329-35652

Endeavor Energy Resources L.P. · Midland · 2,723 ft elevation · 12,000 ft TD

FormationMD ftSubsea
Spraberry7,550-4,827
SpraberryLOWER SPRABERRY8,125-5,402
Dean8,950-6,227
Wolfcamp9,250-6,527
WolfcampWOLFCAMP LIME9,250-6,527
Strawn10,560-7,837
StrawnSTRAWN LIME10,560-7,837
AtokaATOKA SHALE11,000-8,277
Bend11,000-8,277

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.