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2 wells, subsea datum

West to east, 1.7 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 FTA589 FT ELB535 FT ELQueen CityQueen CityYeguaYeguaWilcoxWilcoxSpartaSpartaEscondidoEscondidoOlmosOlmosAnacachoAnacachoAustin ChalkAustin ChalkEagle FordEagle Ford

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.

FormationAKKL HC13 LasBKinsel Brown HC7
Yegua-331MD 920-565MD 1,100
Sparta-1,761MD 2,350-1,593MD 2,128
Queen City-1,761MD 2,350-365MD 900
Wilcox-3,071MD 3,660-1,265MD 1,800
Escondido-4,217MD 4,806-4,279MD 4,814
Olmos-5,358MD 5,947-5,421MD 5,956
San Miguel—-6,228MD 6,763
Anacacho-6,962MD 7,551-6,879MD 7,414
Austin Chalk-7,207MD 7,796-7,263MD 7,798
Eagle Ford-7,629MD 8,218-7,672MD 8,207

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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

AKKL HC13 Las #A 3H 42-283-37022

Chesapeake Operating, L.L.C. · La Salle · 589 ft elevation · 9,000 ft TD

FormationMD ftSubsea
Yegua920-331
Sparta2,350-1,761
Queen City2,350-1,761
WilcoxWILCOX - DISPOSAL3,660-3,071
Escondido4,806-4,217
OlmosOLMOS - DISPOSAL5,947-5,358
Anacacho7,551-6,962
Austin Chalk7,796-7,207
Eagle FordEAGLE FORD - H2S8,218-7,629

Ineos USA Oil & Gas LLC · La Salle · 535 ft elevation · 14,000 ft TD

FormationMD ftSubsea
Queen City900-365
Yegua1,100-565
WilcoxWILCOX - DISPOSAL1,800-1,265
Sparta2,128-1,593
Escondido4,814-4,279
OlmosOLMOS - DISPOSAL5,956-5,421
San Miguel6,763-6,228
Anacacho7,414-6,879
Austin Chalk7,798-7,263
Eagle FordEAGLE FORD - H2S8,207-7,672

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.