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2 wells, subsea datum

West to east, under 0.1 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 →

ARoan A #1H10 tops×BRoan C #3H10 tops×
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-0-2,000-4,000-6,000-8,000SUBSEA FTA379 FT ELB379 FT ELQueen CityQueen CityReklawReklawWilcoxWilcoxCarrizoCarrizoBartoshBartoshNavarroNavarroEscondidoEscondidoOlmosOlmosAnacachoAnacachoAustin ChalkAustin Chalk

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.

FormationARoan ABRoan C
Queen City-355MD 734-325MD 704
Reklaw-1,517MD 1,896-1,487MD 1,866
Wilcox-1,763MD 2,142-1,733MD 2,112
Carrizo-1,764MD 2,143-1,734MD 2,113
Bartosh-3,689MD 4,068-3,689MD 4,068
Navarro-5,154MD 5,533-5,125MD 5,504
Escondido-5,154MD 5,533-5,125MD 5,504
Olmos-6,175MD 6,554-6,145MD 6,524
Anacacho-7,532MD 7,911-7,535MD 7,914
Austin Chalk-8,036MD 8,415-8,018MD 8,397

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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

ARoan A #1H 42-013-36033

EOG Resources, Inc. · Atascosa · 379 ft elevation · 10,000 ft TD

FormationMD ftSubsea
Queen City734-355
Reklaw1,896-1,517
WilcoxWILCOX - DISPOSAL2,142-1,763
Carrizo2,143-1,764
Bartosh4,068-3,689
NavarroNAVARRO - H2S5,533-5,154
EscondidoESCONDIDO - H2S, DISPOSAL5,533-5,154
OlmosOLMOS - DISPOSAL6,554-6,175
AnacachoANACACHO - H2S7,911-7,532
Austin ChalkAUSTIN CHALK - H2S, DISPOSAL8,415-8,036

BRoan C #3H 42-013-36035

EOG Resources, Inc. · Atascosa · 379 ft elevation · 10,000 ft TD

FormationMD ftSubsea
Queen City704-325
Reklaw1,866-1,487
WilcoxWILCOX - DISPOSAL2,112-1,733
Carrizo2,113-1,734
Bartosh4,068-3,689
EscondidoESCONDIDO - H2S, DISPOSAL5,504-5,125
NavarroNAVARRO - H2S5,504-5,125
OlmosOLMOS - DISPOSAL6,524-6,145
AnacachoANACACHO - H2S7,914-7,535
Austin ChalkAUSTIN CHALK - H2S, DISPOSAL8,397-8,018

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.