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2 wells, subsea datum

West to east, 1.5 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 →

AViper 1 #1710 tops×BMarkey #1 #4D13 tops×
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-0-2,000-4,000-6,000-8,000-10,000SUBSEA FTA399 FT ELB504 FT ELNacatochNacatochPaluxyPaluxyRodessa PorosityRodessa PorosityPettitPettitTravis PeakTravis PeakCotton ValleyCotton ValleyTaylorTaylor

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.

FormationAViper 1BMarkey #1
Nacatoch-1,650MD 2,049-2,700MD 3,204
Woodbine—-3,105MD 3,609
Paluxy-3,926MD 4,325-4,298MD 4,802
Tma—-5,610MD 6,114
Rodessa-6,001MD 6,400—
Rodessa Porosity-6,001MD 6,400-6,264MD 6,768
Pettit—-6,566MD 7,070
Pettit-6,611MD 7,010-6,566MD 7,070
Sligo-6,611MD 7,010—
TP—-6,864MD 7,368
Travis Peak-6,911MD 7,310-6,864MD 7,368
Cotton Valley-8,781MD 9,180-8,784MD 9,288
CV—-8,784MD 9,288
B/CV B LM—-9,001MD 9,505
Taylor-10,036MD 10,435-10,031MD 10,535
Bossier-10,326MD 10,725—

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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

AViper 1 #17 42-401-34283

Sabine Oil & Gas Corporation · Rusk · 399 ft elevation · 12,100 ft TD

FormationMD ftSubsea
Nacatoch2,049-1,650
Paluxy4,325-3,926
RodessaRODESSA POROSITY6,400-6,001
Rodessa6,400-6,001
PettitPETTET7,010-6,611
Sligo7,010-6,611
Travis Peak7,310-6,911
Cotton Valley9,180-8,781
Taylor10,435-10,036
Bossier10,725-10,326

BMarkey #1 #4D 42-401-33783

Sabine Oil & Gas Corporation · Rusk · 504 ft elevation · 11,200 ft TD

FormationMD ftSubsea
Nacatoch3,204-2,700
WoodbineWOODBINE - EAST TEXAS FIELD (DIS3,609-3,105
Paluxy4,802-4,298
Tma6,114-5,610
Rodessa6,768-6,264
PettitPETTET7,070-6,566
Pettit7,070-6,566
TP7,368-6,864
Travis Peak7,368-6,864
Cotton Valley9,288-8,784
CV9,288-8,784
B/CV B LM9,505-9,001
Taylor10,535-10,031

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.