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2 wells, subsea datum

West to east, 1.9 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 →

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-0-2,000-4,000-6,000-8,000-10,000-12,000SUBSEA FTA348 FT ELB213 FT ELGlen RoseGlen RoseRodessaRodessaJames LimeJames Lime

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.

FormationAPainted HorseBThoroughbreds Du
Woodbine—-4,118MD 4,331
Austin Chalk-4,265MD 4,613—
Edwards-4,288MD 4,636—
Paluxy—-4,636MD 4,849
Glen Rose-5,116MD 5,464-4,946MD 5,159
Top Glen Rose-5,116MD 5,464—
Rodessa-6,645MD 6,993-6,538MD 6,751
Top Rodessa-6,645MD 6,993—
James Lime-7,192MD 7,540-7,038MD 7,251
Top James Lime-7,192MD 7,540—
Pettit—-7,326MD 7,539
Travis Peak—-7,969MD 8,182
Cotton Valley—-10,449MD 10,662
RRC Haynesville—-11,941MD 12,154
Bossier—-12,045MD 12,258

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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

APainted Horse #1 42-347-32007

Sonerra Resources Corporation · Nacogdoches · 348 ft elevation · 12,500 ft TD

FormationMD ftSubsea
Austin ChalkBASE AUSTIN CHALK4,613-4,265
EdwardsTOP EDWARDS4,636-4,288
Glen Rose5,464-5,116
Glen RoseTOP GLEN ROSE5,464-5,116
Rodessa6,993-6,645
RodessaTOP RODESSA6,993-6,645
James Lime7,540-7,192
James LimeTOP JAMES LIME7,540-7,192

BThoroughbreds Du #B 1 42-347-33368

XTO Energy Inc. · Nacogdoches · 213 ft elevation · 19,300 ft TD

FormationMD ftSubsea
Woodbine4,331-4,118
Paluxy4,849-4,636
Glen Rose5,159-4,946
Rodessa6,751-6,538
James Lime7,251-7,038
PettitPETTET7,539-7,326
Travis Peak8,182-7,969
Cotton Valley10,662-10,449
RRC Haynesville12,154-11,941
Bossier12,258-12,045

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.