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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 →

ADesertpeony #43 tops×BDesertpeony #18 tops×
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1,4001,2001,000800600400200-0SUBSEA FTA1,536 FT ELB1,517 FT ELStrawnStrawnSmithwickSmithwickMarble FallsMarble Falls

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.

FormationADesertpeonyBDesertpeony
Strawn1,511MD 251,497MD 20
Caddo—1,359MD 158
Smithwick1,266MD 2701,312MD 205
Marble Falls1,156MD 3801,153MD 364
Middle Marble Falls—1,137MD 380
Middle Marble Falls Shale—1,137MD 380
Lower Marble Falls—1,114MD 403
Barnett—1,093MD 424

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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

ADesertpeony #4 42-411-30171

Quidnet Energy Deployment LLC · San Saba · 1,536 ft elevation · 600 ft TD

FormationMD ftSubsea
Strawn251,511
Smithwick2701,266
Marble Falls3801,156

BDesertpeony #1 42-411-30168

Quidnet Energy Deployment LLC · San Saba · 1,517 ft elevation · 600 ft TD

FormationMD ftSubsea
Strawn201,497
Caddo1581,359
Smithwick2051,312
Marble FallsUPPER MARBLE FALLS3641,153
Marble FallsMIDDLE MARBLE FALLS3801,137
Marble FallsMIDDLE MARBLE FALLS SHALE3801,137
Marble FallsLOWER MARBLE FALLS4031,114
Barnett4241,093

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.