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2 wells, subsea datum

West to east, 0.6 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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-0-2,000-4,000-6,000-8,000-10,000SUBSEA FTA412 FT ELB400 FT ELYeguaYeguaQueen 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.

FormationAMedina-Jonas Unit CBRodriguez-Trial Unit
Yegua-1,108MD 1,520-1,248MD 1,648
Queen City-3,123MD 3,535-3,261MD 3,661
Reklaw-3,459MD 3,871-3,595MD 3,995
Carrizo-4,254MD 4,666-4,388MD 4,788
Wilcox-5,504MD 5,916-5,595MD 5,995
Austin Chalk-10,524MD 10,936-10,719MD 11,119
Eagle Ford-10,783MD 11,195-10,939MD 11,339

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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 · 412 ft elevation · 19,690 ft TD

FormationMD ftSubsea
YeguaYEGUA - DISPOSAL1,520-1,108
Queen City3,535-3,123
Reklaw3,871-3,459
Carrizo4,666-4,254
WilcoxWILCOX - DISPOSAL5,916-5,504
Austin ChalkAUSTIN CHALK - H2S10,936-10,524
Eagle FordEAGLE FORD - H2S11,195-10,783

Marathon Oil EF LLC · Karnes · 400 ft elevation · 22,000 ft TD

FormationMD ftSubsea
YeguaYEGUA - DISPOSAL1,648-1,248
Queen City3,661-3,261
Reklaw3,995-3,595
Carrizo4,788-4,388
WilcoxWILCOX - DISPOSAL5,995-5,595
Austin ChalkAUSTIN CHALK - H2S11,119-10,719
Eagle FordEAGLE FORD - H2S11,339-10,939

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.