TOOLS · CROSS-SECTION · TEXAS

2 wells, subsea datum

West to east, 0.4 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 ELB433 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-Dyke Unit 3-BD SA 4BWK BD GU 2-Peebles 2 SA 1
Yegua—-317MD 750
Sparta—-1,229MD 1,662
Queen City—-1,417MD 1,850
Wilcox-2,845MD 3,272-2,829MD 3,262
Escondido-6,772MD 7,199-6,755MD 7,188
Olmos-8,011MD 8,438-7,997MD 8,430
Austin Chalk-10,490MD 10,917-10,485MD 10,918
Eagle Ford-10,598MD 11,025-10,594MD 11,027

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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 - DISPOSAL3,272-2,845
Escondido7,199-6,772
OlmosOLMOS - DISPOSAL8,438-8,011
Austin Chalk10,917-10,490
Eagle FordEAGLE FORD - H2S11,025-10,598

BPX Operating Company · La Salle · 433 ft elevation · 14,000 ft TD

FormationMD ftSubsea
Yegua750-317
Sparta1,662-1,229
Queen City1,850-1,417
WilcoxWILCOX - DISPOSAL3,262-2,829
Escondido7,188-6,755
OlmosOLMOS - DISPOSAL8,430-7,997
Austin Chalk10,918-10,485
Eagle FordEAGLE FORD - H2S11,027-10,594

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.