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2 wells, subsea datum

West to east, 0.3 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 →

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1,000-0-1,000-2,000-3,000-4,000-5,000SUBSEA FTA2,824 FT ELB2,827 FT ELSanta RosaSanta RosaRustlerRustlerYatesYatesSeven RiversSeven RiversQueenQueenGrayburgGrayburgSan AndresSan AndresGlorietaGlorietaClear ForkClear ForkSpraberrySpraberry

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.

FormationAA.B. Harrington H1BA.B. Harrington H7
Santa Rosa1,910MD 9141,914MD 913
Rustler1,051MD 1,7731,058MD 1,769
Yates-35MD 2,859-29MD 2,856
Seven Rivers-365MD 3,189-349MD 3,176
Queen-1,238MD 4,062-1,269MD 4,096
Grayburg-1,715MD 4,539-1,778MD 4,605
San Andres-1,913MD 4,737-1,947MD 4,774
Glorieta-2,415MD 5,239-2,435MD 5,262
Clear Fork-4,329MD 7,153-4,320MD 7,147
Spraberry-5,169MD 7,993-5,160MD 7,987

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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

COG Operating LLC · Midland · 2,824 ft elevation · 12,000 ft TD

FormationMD ftSubsea
Santa Rosa9141,910
Rustler1,7731,051
Yates2,859-35
Seven Rivers3,189-365
Queen4,062-1,238
Grayburg4,539-1,715
San AndresSAN ANDRES - HIGH FLOWS, H2S, CO4,737-1,913
Glorieta5,239-2,415
Clear ForkCLEARFORK7,153-4,329
Spraberry7,993-5,169

COG Operating LLC · Midland · 2,827 ft elevation · 12,000 ft TD

FormationMD ftSubsea
Santa Rosa9131,914
Rustler1,7691,058
Yates2,856-29
Seven Rivers3,176-349
Queen4,096-1,269
Grayburg4,605-1,778
San AndresSAN ANDRES - HIGH FLOWS, H2S, CO4,774-1,947
Glorieta5,262-2,435
Clear ForkCLEARFORK7,147-4,320
Spraberry7,987-5,160

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.