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2 wells, subsea datum

West to east, 0.3 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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0-5,000-10,000-15,000-20,000-25,000-30,000-35,000SUBSEA FTA2,781 FT ELB2,754 FT ELSanta RosaSanta RosaYatesYatesQueenQueenSan AndresSan AndresSpraberrySpraberryDeanDeanGrayburgGrayburg

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.

FormationARhaegal Unit 2BViserion Unit 1
Santa Rosa1,584MD 1,1971,558MD 1,196
Rustler1,021MD 1,760—
Yates289MD 2,492299MD 2,455
Queen-850MD 3,631-865MD 3,619
San Andres-1,168MD 3,949-1,187MD 3,941
Glorieta-2,291MD 5,072—
Clear Fork-3,206MD 5,987—
Spraberry-4,325MD 7,106-4,326MD 7,080
Dean-5,891MD 8,672-5,879MD 8,633
Wolfcamp—-6,094MD 8,848
Grayburg-1,110MD 3,891-36,247MD 39,001

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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

XTO Energy Inc. · Martin · 2,781 ft elevation · 10,500 ft TD

FormationMD ftSubsea
Santa Rosa1,1971,584
Rustler1,7601,021
Yates2,492289
Queen3,631-850
Grayburg3,891-1,110
San AndresSAN ANDRES - ACTIVE CO2 FLOOD; H3,949-1,168
Glorieta5,072-2,291
Clear ForkCLEARFORK5,987-3,206
Spraberry7,106-4,325
Dean8,672-5,891

XTO Energy Inc. · Martin · 2,754 ft elevation · 9,250 ft TD

FormationMD ftSubsea
Santa Rosa1,1961,558
Yates2,455299
Queen3,619-865
San AndresSAN ANDRES - ACTIVE CO2 FLOOD; H3,941-1,187
Spraberry7,080-4,326
Dean8,633-5,879
Wolfcamp8,848-6,094
Grayburg39,001-36,247

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.