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2 wells, subsea datum

West to east, 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 FTA2,869 FT ELB2,868 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.

FormationAMarion V. Benge Estate A15BMarion V. Benge Estate A14
Santa Rosa1,934MD 9351,917MD 951
Yates16MD 2,85334MD 2,834
Seven Rivers-132MD 3,001-133MD 3,001
Queen-1,220MD 4,089-1,187MD 4,055
Grayburg-1,431MD 4,300-1,432MD 4,300
San Andres-1,887MD 4,756-1,848MD 4,716
Glorieta-2,421MD 5,290-2,246MD 5,114
Clear Fork-4,137MD 7,006-4,127MD 6,995
Spraberry-4,970MD 7,839-4,967MD 7,835
Spraberry Upper-Dean-5,190MD 8,059-5,180MD 8,048

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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

COG Operating LLC · Midland · 2,869 ft elevation · 12,000 ft TD

FormationMD ftSubsea
Santa Rosa9351,934
Yates2,85316
Seven Rivers3,001-132
Queen4,089-1,220
Grayburg4,300-1,431
San AndresSAN ANDRES - HIGH FLOWS, H2S, CO4,756-1,887
Glorieta5,290-2,421
Clear ForkCLEARFORK7,006-4,137
Spraberry7,839-4,970
SpraberrySPRABERRY UPPER-DEAN8,059-5,190

COG Operating LLC · Midland · 2,868 ft elevation · 12,000 ft TD

FormationMD ftSubsea
Santa Rosa9511,917
Yates2,83434
Seven Rivers3,001-133
Queen4,055-1,187
Grayburg4,300-1,432
San AndresSAN ANDRES - HIGH FLOWS, H2S, CO4,716-1,848
Glorieta5,114-2,246
Clear ForkCLEARFORK6,995-4,127
Spraberry7,835-4,967
SpraberrySPRABERRY UPPER-DEAN8,048-5,180

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.