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2 wells, subsea datum

West to east, 0.2 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 FTA307 FT ELB306 FT EL

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.

FormationAYanta a AC-Crisp a AC SA 1BCef
Yegua141MD 166—
Frio-193MD 500—
Queen City-2,649MD 2,956—
Reklaw-3,578MD 3,885—
Carrizo-3,990MD 4,297—
Wilcox-3,990MD 4,297—
Navarro—-8,220MD 8,526
Olmos—-9,051MD 9,357
Chalk—-10,350MD 10,656
Austin Chalk-10,372MD 10,679—
Eagle Ford—-10,671MD 10,977

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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

BPX Operating Company · Karnes · 307 ft elevation · 11,275 ft TD

FormationMD ftSubsea
YeguaYEGUA - DISPOSAL166141
FrioFRIO - DISPOSAL500-193
Queen City2,956-2,649
Reklaw3,885-3,578
Carrizo4,297-3,990
WilcoxWILCOX - DISPOSAL4,297-3,990
Austin ChalkAUSTIN CHALK - H2S10,679-10,372

BCef #1H 42-255-31811

Murphy Expl. & Prod. Co. - USA · Karnes · 306 ft elevation · 11,111 ft TD

FormationMD ftSubsea
Navarro8,526-8,220
Olmos9,357-9,051
Chalk10,656-10,350
Eagle FordEAGLEFORD10,977-10,671

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.