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2 wells, subsea datum

West to east, 1.8 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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-0-2,000-4,000-6,000-8,000-10,000SUBSEA FTA449 FT ELB500 FT ELAustin 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.

FormationAH.e.richterBScwj Allocation #2
Queen City—-330MD 830
Carrizo—-1,080MD 1,580
Olmos—-1,320MD 1,820
Reklaw—-1,400MD 1,900
Escondido—-2,100MD 2,600
Bartosh—-2,650MD 3,150
Navarro—-3,100MD 3,600
Wilcox—-4,160MD 4,660
Top Austin Chalk-9,256MD 9,705—
Top Austin Chalk-9,256MD 9,705—
Anacacho—-9,668MD 10,168
Austin Chalk-9,256MD 9,705-9,709MD 10,209
Edwards-9,919MD 10,368—

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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

AH.e.richter #3 42-013-31876

Viceroy Petroleum, LP · Atascosa · 449 ft elevation · 11,000 ft TD

FormationMD ftSubsea
Austin Chalk9,705-9,256
Austin ChalkTOP AUSTIN CHALK9,705-9,256
Austin ChalkTOP AUSTIN CHALK9,705-9,256
EdwardsTOP EDWARDS LIME10,368-9,919

XTO Energy Inc. · Atascosa · 500 ft elevation · 13,000 ft TD

FormationMD ftSubsea
Queen City830-330
Carrizo1,580-1,080
OlmosOLMOS - DISPOSAL1,820-1,320
Reklaw1,900-1,400
EscondidoESCONDIDO - H2S, DISPOSAL2,600-2,100
Bartosh3,150-2,650
NavarroNAVARRO - H2S3,600-3,100
WilcoxWILCOX - DISPOSAL4,660-4,160
AnacachoANACACHO - H2S10,168-9,668
Austin ChalkAUSTIN CHALK - H2S, DISPOSAL10,209-9,709

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.