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2 wells, subsea datum

West to east, 0.1 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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-0-1,000-2,000-3,000-4,000-5,000-6,000-7,000SUBSEA FTA3,050 FT ELB3,052 FT ELLamarLamarBbcynBbcynAvalon_uprAvalon_uprTwo_georgesTwo_georgesAvalon_upr_baseAvalon_upr_baseAvalon_lwrAvalon_lwr1ST_BS_SD_CLEAN1ST_BS_SD_CLEAN1ST_BS_SAND_UPR_BASE1ST_BS_SAND_UPR_BASE

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.

FormationASt. Brides 76 3031 TGBSt. Brides 76 3031 TG
Castile-1,425MD 4,475—
Lamar-1,629MD 4,679-1,637MD 4,689
Bbcyn-5,357MD 8,407-5,358MD 8,410
Avalon_upr-5,725MD 8,775-5,760MD 8,812
Two_georges-6,035MD 9,085-6,022MD 9,074
Avalon_upr_base-6,035MD 9,085-6,080MD 9,132
Avalon_lwr-6,303MD 9,353-6,321MD 9,373
1ST_BS_SD_CLEAN-6,599MD 9,649-6,625MD 9,677
ARB_1-6,675MD 9,725—
1ST_BS_SAND_UPR_BASE-6,814MD 9,864-6,810MD 9,862
2ND_BS_SH_MKR—-6,920MD 9,972
2ND_BS_SH_B—-7,014MD 10,066

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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

XTO Energy Inc. · Loving · 3,050 ft elevation · 10,880 ft TD

FormationMD ftSubsea
Castile4,475-1,425
Lamar4,679-1,629
Bbcyn8,407-5,357
AvalonAVALON_UPR8,775-5,725
Two_georges9,085-6,035
AvalonAVALON_UPR_BASE9,085-6,035
AvalonAVALON_LWR9,353-6,303
1ST_BS_SD_CLEAN9,649-6,599
ARB_19,725-6,675
1ST_BS_SAND_UPR_BASE9,864-6,814

XTO Energy Inc. · Loving · 3,052 ft elevation · 10,880 ft TD

FormationMD ftSubsea
Lamar4,689-1,637
Bbcyn8,410-5,358
AvalonAVALON_UPR8,812-5,760
Two_georges9,074-6,022
AvalonAVALON_UPR_BASE9,132-6,080
AvalonAVALON_LWR9,373-6,321
1ST_BS_SD_CLEAN9,677-6,625
1ST_BS_SAND_UPR_BASE9,862-6,810
2ND_BS_SH_MKR9,972-6,920
2ND_BS_SH_B10,066-7,014

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.