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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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0-2,000-4,000-6,000SUBSEA FTA2,808 FT ELB2,807 FT ELSanta RosaSanta RosaYatesYatesSeven RiversSeven RiversQueenQueenSan AndresSan AndresGrayburgGrayburgGlorietaGlorietaClear 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.

FormationAMCC HZ UnitBMCC HZ Unit
Santa Rosa1,808MD 1,0001,807MD 1,000
Yates-23MD 2,831977MD 1,830
Seven Rivers-255MD 3,063-271MD 3,078
Queen-1,092MD 3,900-1,543MD 4,350
Grayburg-1,242MD 4,050-1,643MD 4,450
San Andres-1,656MD 4,464-1,598MD 4,405
Glorieta-2,492MD 5,300-2,843MD 5,650
Clear Fork-4,102MD 6,910-4,113MD 6,920
Spraberry-5,046MD 7,854-5,046MD 7,853
Spraberry Upper-Dean-6,325MD 9,133-5,773MD 8,580

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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

AMCC HZ Unit #1109H 42-329-41271

COG Operating LLC · Midland · 2,808 ft elevation · 12,000 ft TD

FormationMD ftSubsea
Santa Rosa1,0001,808
Yates2,831-23
Seven Rivers3,063-255
Queen3,900-1,092
Grayburg4,050-1,242
San AndresSAN ANDRES - HIGH FLOWS, H2S, CO4,464-1,656
Glorieta5,300-2,492
Clear ForkCLEARFORK6,910-4,102
Spraberry7,854-5,046
SpraberrySPRABERRY UPPER-DEAN9,133-6,325

BMCC HZ Unit #1102H 42-329-41024

COG Operating LLC · Midland · 2,807 ft elevation · 10,000 ft TD

FormationMD ftSubsea
Santa Rosa1,0001,807
Yates1,830977
Seven Rivers3,078-271
Queen4,350-1,543
San AndresSAN ANDRES - HIGH FLOWS, H2S, CO4,405-1,598
Grayburg4,450-1,643
Glorieta5,650-2,843
Clear ForkCLEARFORK6,920-4,113
Spraberry7,853-5,046
SpraberrySPRABERRY UPPER-DEAN8,580-5,773

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.