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2 wells, subsea datum

West to east, 0.8 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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-0-2,000-4,000-6,000-8,000SUBSEA FTA336 FT ELB338 FT ELEscondidoEscondidoOlmosOlmosEagle 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.

FormationAForeigner 21HBDef Leppard 13H
Escondido-5,795MD 6,131-5,757MD 6,095
Olmos-6,496MD 6,832-6,405MD 6,743
Anacacho—-7,477MD 7,815
Austin Chalk—-7,653MD 7,991
Lower Eagle Ford—-7,956MD 8,294
Eagle Ford-8,044MD 8,380-7,927MD 8,265

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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

AForeigner 21H #21H 42-013-35986

Trinity Operating (Usg), LLC · Atascosa · 336 ft elevation · 9,000 ft TD

FormationMD ftSubsea
EscondidoESCONDIDO - H2S, DISPOSAL6,131-5,795
OlmosOLMOS - DISPOSAL6,832-6,496
Eagle FordLOWER EAGLE FORD8,380-8,044

BDef Leppard 13H #13H 42-013-36108

Trinity Operating (Usg), LLC · Atascosa · 338 ft elevation · 8,999 ft TD

FormationMD ftSubsea
Escondido6,095-5,757
Olmos6,743-6,405
Anacacho7,815-7,477
Austin ChalkAUSTIN7,991-7,653
Eagle FordUPPER EAGLE FORD8,265-7,927
Eagle FordLOWER EAGLE FORD8,294-7,956

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.