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2 wells, subsea datum

West to east, 0.9 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 →

AGiese Unit #5H9 tops×BHenke Unit B #4H9 tops×
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-0-2,000-4,000-6,000-8,000-10,000SUBSEA FTA334 FT ELB376 FT ELQueen CityQueen CityReklawReklawBartoshBartoshCarrizoCarrizoWilcoxWilcoxNavarroNavarroOlmosOlmosAnacachoAnacachoAustin 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.

FormationAGiese UnitBHenke Unit B
Queen City-2,428MD 2,762-2,649MD 3,025
Reklaw-2,742MD 3,076-2,963MD 3,339
Bartosh-3,025MD 3,359-3,246MD 3,622
Carrizo-3,403MD 3,737-3,624MD 4,000
Wilcox-4,778MD 5,112-4,999MD 5,375
Navarro-7,909MD 8,243-8,130MD 8,506
Olmos-8,479MD 8,813-8,700MD 9,076
Anacacho-10,010MD 10,344-10,202MD 10,578
Austin Chalk-10,171MD 10,505-10,395MD 10,771

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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

AGiese Unit #5H 42-013-35595

Marathon Oil EF LLC · Atascosa · 334 ft elevation · 20,000 ft TD

FormationMD ftSubsea
Queen City2,762-2,428
Reklaw3,076-2,742
Bartosh3,359-3,025
Carrizo3,737-3,403
WilcoxWILCOX - DISPOSAL5,112-4,778
NavarroNAVARRO - H2S8,243-7,909
OlmosOLMOS - DISPOSAL8,813-8,479
AnacachoANACACHO - H2S10,344-10,010
Austin ChalkAUSTIN CHALK - H2S, DISPOSAL10,505-10,171

BHenke Unit B #4H 42-013-35522

Marathon Oil EF LLC · Atascosa · 376 ft elevation · 16,700 ft TD

FormationMD ftSubsea
Queen City3,025-2,649
Reklaw3,339-2,963
Bartosh3,622-3,246
Carrizo4,000-3,624
WilcoxWILCOX - DISPOSAL5,375-4,999
NavarroNAVARRO - H2S8,506-8,130
OlmosOLMOS - DISPOSAL9,076-8,700
AnacachoANACACHO - H2S10,578-10,202
Austin ChalkAUSTIN CHALK - H2S, DISPOSAL10,771-10,395

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.