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2 wells, subsea datum

West to east, 0.2 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 →

AWilson Unit #4H8 tops×BBarnett Unit #3H10 tops×
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-0-2,000-4,000-6,000-8,000-10,000-12,000SUBSEA FTA270 FT ELB291 FT ELFrioFrioReklawReklawYeguaYeguaCarrizoCarrizoWilcoxWilcoxQueen CityQueen City

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.

FormationAWilson UnitBBarnett Unit
Frio-2,930MD 3,200-2,909MD 3,200
Reklaw-3,690MD 3,960-3,669MD 3,960
Yegua-3,730MD 4,000-3,709MD 4,000
Carrizo-3,180MD 3,450-4,550MD 4,841
Queen City-6,170MD 6,440-6,149MD 6,440
Midway—-8,403MD 8,694
Navarro—-9,347MD 9,638
Wilcox-10,004MD 10,274-5,522MD 5,813
Olmos—-10,090MD 10,381
Anacacho—-11,279MD 11,570
Austin Chalk-11,342MD 11,612—
Eagle Ford-11,570MD 11,840—

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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

AWilson Unit #4H 42-255-36247

Murphy Expl. & Prod. Co. - USA · Karnes · 270 ft elevation · 12,050 ft TD

FormationMD ftSubsea
FrioFRIO - DISPOSAL3,200-2,930
Carrizo3,450-3,180
Reklaw3,960-3,690
YeguaYEGUA - DISPOSAL4,000-3,730
Queen City6,440-6,170
WilcoxWILCOX - DISPOSAL10,274-10,004
Austin ChalkAUSTIN CHALK - H2S11,612-11,342
Eagle FordEAGLE FORD - H2S11,840-11,570

BBarnett 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

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.