TOOLS · CROSS-SECTION · TEXAS

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 FTA327 FT ELB328 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.

FormationADavis-Mensik SA1BDavis-Alexander SA1
Queen City-4,854MD 5,181-4,853MD 5,181
Reklaw-5,308MD 5,635-5,307MD 5,635
Carrizo-5,550MD 5,877-5,549MD 5,877
Wilcox-5,650MD 5,977-5,649MD 5,977
Austin Chalk-12,448MD 12,775-12,247MD 12,575
Eagle Ford-12,595MD 12,922-12,594MD 12,922

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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

ADavis-Mensik SA1 #1H 42-255-38153

Marathon Oil EF LLC · Karnes · 327 ft elevation · 22,000 ft TD

FormationMD ftSubsea
Queen City5,181-4,854
Reklaw5,635-5,308
Carrizo5,877-5,550
WilcoxWILCOX - DISPOSAL5,977-5,650
Austin ChalkAUSTIN CHALK - H2S12,775-12,448
Eagle FordEAGLE FORD - H2S12,922-12,595

Marathon Oil EF LLC · Karnes · 328 ft elevation · 22,000 ft TD

FormationMD ftSubsea
Queen City5,181-4,853
Reklaw5,635-5,307
Carrizo5,877-5,549
WilcoxWILCOX - DISPOSAL5,977-5,649
Austin ChalkAUSTIN CHALK - H2S12,575-12,247
Eagle FordEAGLE FORD - H2S12,922-12,594

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.