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2 wells, subsea datum

West to east, 0.8 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 →

ANiestroy #2H6 tops×BFalls City #1H8 tops×
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-0-2,000-4,000-6,000-8,000-10,000-12,000-14,000SUBSEA FTA331 FT ELB301 FT ELWilcoxWilcoxAustin 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.

FormationANiestroyBFalls City
Navarro-6,586MD 6,917—
Olmos-7,204MD 7,535—
Anacacho-8,227MD 8,558—
Frio—-9,698MD 9,999
Yegua—-9,699MD 10,000
Queen City—-10,699MD 11,000
Reklaw—-11,699MD 12,000
Carrizo—-12,699MD 13,000
Wilcox-3,818MD 4,149-13,699MD 14,000
Austin Chalk-8,355MD 8,686-14,699MD 15,000
Eagle Ford-8,600MD 8,931-14,700MD 15,001

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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

ANiestroy #2H 42-493-32845

Recoil Resources Operating, Inc. · Wilson · 331 ft elevation · 9,100 ft TD

FormationMD ftSubsea
WilcoxWILCOX - DISPOSAL4,149-3,818
Navarro6,917-6,586
Olmos7,535-7,204
AnacachoANACACHO - H2S8,558-8,227
Austin ChalkAUSTIN CHALK - H2S8,686-8,355
Eagle FordEAGLE FORD - H2S8,931-8,600

BFalls City #1H 42-255-35292

Matador Production Company · Karnes · 301 ft elevation · 12,000 ft TD

FormationMD ftSubsea
FrioFRIO - DISPOSAL9,999-9,698
YeguaYEGUA - DISPOSAL10,000-9,699
Queen City11,000-10,699
Reklaw12,000-11,699
Carrizo13,000-12,699
WilcoxWILCOX - DISPOSAL14,000-13,699
Austin ChalkAUSTIN CHALK - H2S15,000-14,699
Eagle FordEAGLE FORD - H2S15,001-14,700

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.