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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 →

APerlino A #1H9 tops×BPerlino J #9H9 tops×
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-0-2,000-4,000-6,000-8,000SUBSEA FTA440 FT ELB440 FT ELQueen CityQueen CityReklawReklawWilcoxWilcoxCarrizoCarrizoEscondidoEscondidoNavarroNavarroOlmosOlmosAnacachoAnacachoAustin 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.

FormationAPerlino ABPerlino J
Queen City-50MD 490-157MD 597
Reklaw-1,212MD 1,652-1,319MD 1,759
Wilcox-1,458MD 1,898-1,565MD 2,005
Carrizo-1,459MD 1,899-1,566MD 2,006
Escondido-4,848MD 5,288-4,958MD 5,398
Navarro-4,848MD 5,288-4,958MD 5,398
Olmos-5,867MD 6,307-5,979MD 6,419
Anacacho-7,235MD 7,675-7,314MD 7,754
Austin Chalk-7,742MD 8,182-7,866MD 8,306

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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

APerlino A #1H 42-013-36263

EOG Resources, Inc. · Atascosa · 440 ft elevation · 10,000 ft TD

FormationMD ftSubsea
Queen City490-50
Reklaw1,652-1,212
WilcoxWILCOX - DISPOSAL1,898-1,458
Carrizo1,899-1,459
EscondidoESCONDIDO - H2S, DISPOSAL5,288-4,848
NavarroNAVARRO - H2S5,288-4,848
OlmosOLMOS - DISPOSAL6,307-5,867
AnacachoANACACHO - H2S7,675-7,235
Austin ChalkAUSTIN CHALK - H2S, DISPOSAL8,182-7,742

BPerlino J #9H 42-013-36247

EOG Resources, Inc. · Atascosa · 440 ft elevation · 9,800 ft TD

FormationMD ftSubsea
Queen City597-157
Reklaw1,759-1,319
WilcoxWILCOX - DISPOSAL2,005-1,565
Carrizo2,006-1,566
NavarroNAVARRO - H2S5,398-4,958
EscondidoESCONDIDO - H2S, DISPOSAL5,398-4,958
OlmosOLMOS - DISPOSAL6,419-5,979
AnacachoANACACHO - H2S7,754-7,314
Austin ChalkAUSTIN CHALK - H2S, DISPOSAL8,306-7,866

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.