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2 wells, subsea datum

West to east, 1.9 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 →

AAlford #1RE2 tops×BBongo Hunter Unit #3H6 tops×
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-0-2,000-4,000-6,000-8,000SUBSEA FTA333 FT ELB347 FT ELNavarroNavarroAustin 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.

FormationAAlfordBBongo Hunter Unit
Reklaw—-603MD 950
Carrizo—-2,578MD 2,925
Wilcox—-3,153MD 3,500
Navarro-5,724MD 6,057-6,990MD 7,337
Austin Chalk-7,962MD 8,295-8,689MD 9,036
Eagle Ford—-9,318MD 9,665

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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

AAlford #1RE 42-177-30584

Creative Oil & Gas Operating,llc · Gonzales · 333 ft elevation · 9,500 ft TD

FormationMD ftSubsea
Navarro6,057-5,724
Austin Chalk8,295-7,962

BBongo Hunter Unit #3H 42-177-33876

Penn Virginia Oil & Gas, L.P. · Gonzales · 347 ft elevation · 14,500 ft TD

FormationMD ftSubsea
Reklaw950-603
Carrizo2,925-2,578
WilcoxWILCOX - DISPOSAL3,500-3,153
Navarro7,337-6,990
Austin ChalkAUSTIN CHALK - H2S9,036-8,689
Eagle FordEAGLE FORD - H2S9,665-9,318

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.