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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 →

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-0-2,000-4,000-6,000-8,000-10,000-12,000SUBSEA FTA226 FT ELB221 FT ELSpartaSpartaQueen CityQueen CityReklawReklawCarrizoCarrizoWilcoxWilcoxAustin ChalkAustin ChalkEagle 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.

FormationAWessendorff 02BDullye 01
Sparta-3,868MD 4,094-3,873MD 4,094
Queen City-4,168MD 4,394-4,173MD 4,394
Reklaw-4,568MD 4,794-4,573MD 4,794
Carrizo-5,668MD 5,894-5,673MD 5,894
Wilcox-5,870MD 6,096-5,875MD 6,096
Anacacho-12,738MD 12,964—
Austin Chalk-12,879MD 13,105-12,883MD 13,104
Eagle Ford-13,019MD 13,245-13,036MD 13,257

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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

AWessendorff 02 #05H 42-255-37832

Marathon Oil EF LLC · Karnes · 226 ft elevation · 18,000 ft TD

FormationMD ftSubsea
Sparta4,094-3,868
Queen City4,394-4,168
Reklaw4,794-4,568
Carrizo5,894-5,668
WilcoxWILCOX - DISPOSAL6,096-5,870
Anacacho12,964-12,738
Austin ChalkAUSTIN CHALK - H2S13,105-12,879
Eagle FordEAGLE FORD - H2S13,245-13,019

BDullye 01 #10H 42-255-37830

Marathon Oil EF LLC · Karnes · 221 ft elevation · 18,000 ft TD

FormationMD ftSubsea
Sparta4,094-3,873
Queen City4,394-4,173
Reklaw4,794-4,573
Carrizo5,894-5,673
WilcoxWILCOX - DISPOSAL6,096-5,875
Austin ChalkAUSTIN CHALK - H2S13,104-12,883
Eagle FordEAGLE FORD - H2S13,257-13,036

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.