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2 wells, subsea datum

West to east, 1.3 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 →

AJohnson #1H5 tops×BBomar #15 tops×
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-0-2,000-4,000-6,000-8,000SUBSEA FTA241 FT ELB242 FT ELNacatochNacatochPaluxyPaluxyRodessaRodessaPettitPettitCotton ValleyCotton Valley

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.

FormationAJohnsonBBomar
Nacatoch-1,563MD 1,804-2,136MD 2,378
Paluxy-4,561MD 4,802-4,523MD 4,765
Rodessa-6,803MD 7,044-6,606MD 6,848
Pettit-7,355MD 7,596-7,273MD 7,515
Cotton Valley-9,382MD 9,623-8,996MD 9,238

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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

AJohnson #1H 42-067-30927

Barrow-Shaver Resources Co. · Cass · 241 ft elevation · 12,000 ft TD

FormationMD ftSubsea
Nacatoch1,804-1,563
Paluxy4,802-4,561
Rodessa7,044-6,803
PettitPETTET7,596-7,355
Cotton Valley9,623-9,382

BBomar #1 42-067-30833

Rose City Resources, LLC · Cass · 242 ft elevation · 11,900 ft TD

FormationMD ftSubsea
Nacatoch2,378-2,136
Paluxy4,765-4,523
Rodessa6,848-6,606
PettitPETTET7,515-7,273
Cotton Valley9,238-8,996

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.