TOOLS · CROSS-SECTION · TEXAS

2 wells, subsea datum

West to east, 0.9 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 FTA410 FT ELB388 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 C-B SABMedina-Jonas Unit A
Yegua-1,110MD 1,520-1,250MD 1,638
Queen City-3,125MD 3,535-3,265MD 3,653
Reklaw-3,461MD 3,871-3,600MD 3,988
Carrizo-4,256MD 4,666-4,396MD 4,784
Wilcox-5,506MD 5,916-5,645MD 6,033
Austin Chalk-10,561MD 10,971-10,737MD 11,125
Eagle Ford-10,794MD 11,204-10,970MD 11,358

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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 · 410 ft elevation · 19,690 ft TD

FormationMD ftSubsea
YeguaYEGUA - DISPOSAL1,520-1,110
Queen City3,535-3,125
Reklaw3,871-3,461
Carrizo4,666-4,256
WilcoxWILCOX - DISPOSAL5,916-5,506
Austin ChalkAUSTIN CHALK - H2S10,971-10,561
Eagle FordEAGLE FORD - H2S11,204-10,794

Marathon Oil EF LLC · Karnes · 388 ft elevation · 19,500 ft TD

FormationMD ftSubsea
YeguaYEGUA - DISPOSAL1,638-1,250
Queen City3,653-3,265
Reklaw3,988-3,600
Carrizo4,784-4,396
WilcoxWILCOX - DISPOSAL6,033-5,645
Austin ChalkAUSTIN CHALK - H2S11,125-10,737
Eagle FordEAGLE FORD - H2S11,358-10,970

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.