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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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-0-2,000-4,000-6,000-8,000-10,000-12,000SUBSEA FTA378 FT ELB378 FT ELQueen CityQueen CityReklawReklawCarrizoCarrizoWilcoxWilcoxAustin 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.

FormationAMurphy-Kotara 2H SABMurphy-Kotara-Barboza SA
Queen City-3,699MD 4,077-3,699MD 4,077
Reklaw-4,199MD 4,577-4,199MD 4,577
Carrizo-4,758MD 5,136-4,758MD 5,136
Wilcox-4,840MD 5,218-4,840MD 5,218
Austin Chalk-11,804MD 12,182-11,805MD 12,183
Eagle Ford-11,994MD 12,372-11,990MD 12,368

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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

Marathon Oil EF LLC · Karnes · 378 ft elevation · 26,000 ft TD

FormationMD ftSubsea
Queen City4,077-3,699
Reklaw4,577-4,199
Carrizo5,136-4,758
WilcoxWILCOX - DISPOSAL5,218-4,840
Austin ChalkAUSTIN CHALK - H2S12,182-11,804
Eagle FordEAGLE FORD - H2S12,372-11,994

Marathon Oil EF LLC · Karnes · 378 ft elevation · 26,000 ft TD

FormationMD ftSubsea
Queen City4,077-3,699
Reklaw4,577-4,199
Carrizo5,136-4,758
WilcoxWILCOX - DISPOSAL5,218-4,840
Austin ChalkAUSTIN CHALK - H2S12,183-11,805
Eagle FordEAGLE FORD - H2S12,368-11,990

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.