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2 wells, subsea datum

West to east, 5.4 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 →

ATango Unit #1H10 tops×BConcepcion C #3H9 tops×
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-0-2,000-4,000-6,000-8,000SUBSEA FTA436 FT ELB347 FT ELQueen CityQueen CityWilcoxWilcoxCarrizoCarrizoAnacachoAnacachoAustin ChalkAustin ChalkEagle FordEagle Ford

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.

FormationATango UnitBConcepcion C
Frio—-273MD 620
Queen City-64MD 500-745MD 1,092
Yegua—-843MD 1,190
Reklaw—-1,168MD 1,515
Carrizo-714MD 1,150-1,818MD 2,165
Wilcox-2,014MD 2,450-1,730MD 2,077
Midlway-3,503MD 3,939—
Olmos-4,659MD 5,095—
Buda-5,837MD 6,273—
Del Rio-5,931MD 6,367—
Anacacho-5,493MD 5,929-7,533MD 7,880
Austin Chalk-5,576MD 6,012-7,627MD 7,974
Eagle Ford-5,765MD 6,201-7,789MD 8,136

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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

ATango Unit #1H 42-493-33012

PCR Energy la LLC · Wilson · 436 ft elevation · 16,000 ft TD

FormationMD ftSubsea
Queen City500-64
Carrizo1,150-714
Wilcox2,450-2,014
Midlway3,939-3,503
Olmos5,095-4,659
Anacacho5,929-5,493
Austin Chalk6,012-5,576
Eagle FordEAGLEFORD6,201-5,765
Buda6,273-5,837
Del Rio6,367-5,931

BConcepcion C #3H 42-255-37628

EOG Resources, Inc. · Karnes · 347 ft elevation · 10,000 ft TD

FormationMD ftSubsea
FrioFRIO - DISPOSAL620-273
Queen City1,092-745
YeguaYEGUA - DISPOSAL1,190-843
Reklaw1,515-1,168
WilcoxWILCOX - DISPOSAL2,077-1,730
Carrizo2,165-1,818
Anacacho7,880-7,533
Austin ChalkAUSTIN CHALK - H2S7,974-7,627
Eagle FordEAGLE FORD - H2S8,136-7,789

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.