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2 wells, subsea datum

West to east, 0.5 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 FTA427 FT ELB440 FT ELWilcoxWilcoxEscondidoEscondidoOlmosOlmosAustin 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.

FormationABrown-Trusts 3H-BD SA 2BWK BD GU 2-Peebles 1 SA 2
Wilcox-2,848MD 3,275-2,827MD 3,267
Escondido-6,752MD 7,179-6,775MD 7,215
Olmos-8,000MD 8,427-8,101MD 8,541
Anacacho—-9,564MD 10,004
Austin Chalk-10,471MD 10,898-10,491MD 10,931
Eagle Ford-10,587MD 11,014-10,591MD 11,031

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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 · La Salle · 427 ft elevation · 14,000 ft TD

FormationMD ftSubsea
WilcoxWILCOX - DISPOSAL3,275-2,848
Escondido7,179-6,752
OlmosOLMOS - DISPOSAL8,427-8,000
Austin Chalk10,898-10,471
Eagle FordEAGLE FORD - H2S11,014-10,587

BPX Operating Company · La Salle · 440 ft elevation · 14,000 ft TD

FormationMD ftSubsea
WilcoxWILCOX - DISPOSAL3,267-2,827
Escondido7,215-6,775
OlmosOLMOS - DISPOSAL8,541-8,101
Anacacho10,004-9,564
Austin Chalk10,931-10,491
Eagle FordEAGLE FORD - H2S11,031-10,591

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.