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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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1,000-0-1,000-2,000-3,000-4,000-5,000SUBSEA FTA2,779 FT ELB2,781 FT ELSanta RosaSanta RosaYatesYatesSeven RiversSeven RiversQueenQueenGrayburgGrayburgSan AndresSan AndresGlorietaGlorietaClear ForkClear ForkSpraberrySpraberrySpraberry Upper-DeanSpraberry Upper-Dean

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.

FormationAPersephone 42/31 EBPersephone 42/31 G
Santa Rosa1,896MD 8831,895MD 886
Yates50MD 2,72949MD 2,732
Seven Rivers-287MD 3,066-288MD 3,069
Queen-1,122MD 3,901-1,123MD 3,904
Grayburg-1,542MD 4,321-1,519MD 4,300
San Andres-1,749MD 4,528-1,750MD 4,531
Glorieta-2,456MD 5,235-2,458MD 5,239
Clear Fork-4,148MD 6,927-4,151MD 6,932
Spraberry-4,986MD 7,765-4,988MD 7,769
Spraberry Upper-Dean-5,252MD 8,031-5,249MD 8,030

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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

Chevron U. S. A. Inc. · Midland · 2,779 ft elevation · 9,900 ft TD

FormationMD ftSubsea
Santa Rosa8831,896
Yates2,72950
Seven Rivers3,066-287
Queen3,901-1,122
Grayburg4,321-1,542
San AndresSAN ANDRES - HIGH FLOWS, H2S, CO4,528-1,749
Glorieta5,235-2,456
Clear ForkCLEARFORK6,927-4,148
Spraberry7,765-4,986
SpraberrySPRABERRY UPPER-DEAN8,031-5,252

Chevron U. S. A. Inc. · Midland · 2,781 ft elevation · 9,900 ft TD

FormationMD ftSubsea
Santa Rosa8861,895
Yates2,73249
Seven Rivers3,069-288
Queen3,904-1,123
Grayburg4,300-1,519
San AndresSAN ANDRES - HIGH FLOWS, H2S, CO4,531-1,750
Glorieta5,239-2,458
Clear ForkCLEARFORK6,932-4,151
Spraberry7,769-4,988
SpraberrySPRABERRY UPPER-DEAN8,030-5,249

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.