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2 wells, subsea datum

West to east, 0.6 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 FTA291 FT ELB272 FT ELQueen CityQueen CityCarrizoCarrizoWilcoxWilcox

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.

FormationABarnett UnitBBarnett East Unit
Frio-2,909MD 3,200—
Reklaw-3,669MD 3,960—
Yegua-3,709MD 4,000—
Carrizo-4,550MD 4,841-4,627MD 4,899
Queen City-6,149MD 6,440-3,503MD 3,775
Midway-8,403MD 8,694—
Wilcox-5,522MD 5,813-8,599MD 8,871
Navarro-9,347MD 9,638—
Olmos-10,090MD 10,381—
Anacacho-11,279MD 11,570—
Austin Chalk—-11,293MD 11,565
Eagle Ford—-11,666MD 11,938

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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

ABarnett Unit #3H 42-255-36310

Murphy Expl. & Prod. Co. - USA · Karnes · 291 ft elevation · 12,100 ft TD

FormationMD ftSubsea
FrioFRIO - DISPOSAL3,200-2,909
Reklaw3,960-3,669
YeguaYEGUA - DISPOSAL4,000-3,709
Carrizo4,841-4,550
WilcoxWILCOX - DISPOSAL5,813-5,522
Queen City6,440-6,149
Midway8,694-8,403
Navarro9,638-9,347
Olmos10,381-10,090
Anacacho11,570-11,279

BBarnett East Unit #4H 42-255-34009

Murphy Expl. & Prod. Co. - USA · Karnes · 272 ft elevation · 12,150 ft TD

FormationMD ftSubsea
Queen City3,775-3,503
Carrizo4,899-4,627
WilcoxWILCOX - DISPOSAL8,871-8,599
Austin ChalkAUSTIN CHALK - H2S11,565-11,293
Eagle FordEAGLE FORD - H2S11,938-11,666

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.