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2 wells, subsea datum

West to east, 1.1 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 →

AHaverlah B #1H10 tops×BRazorback B #2H7 tops×
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-0-2,000-4,000-6,000-8,000SUBSEA FTA251 FT ELB263 FT ELWilcoxWilcoxCarrizoCarrizoEscondidoEscondidoNavarroNavarroOlmosOlmosAnacachoAnacachoAustin ChalkAustin Chalk

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.

FormationAHaverlah BBRazorback B
Queen City-1,332MD 1,583—
Reklaw-1,966MD 2,217—
Wilcox-2,603MD 2,854-2,533MD 2,796
Carrizo-2,604MD 2,855-2,534MD 2,797
Bartosh-4,640MD 4,891—
Escondido-6,704MD 6,955-6,266MD 6,529
Navarro-6,822MD 7,073-6,266MD 6,529
Olmos-7,415MD 7,666-7,341MD 7,604
Anacacho-8,782MD 9,033-8,631MD 8,894
Austin Chalk-9,051MD 9,302-8,886MD 9,149

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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

AHaverlah B #1H 42-013-35618

Matador Production Company · Atascosa · 251 ft elevation · 10,200 ft TD

FormationMD ftSubsea
Queen City1,583-1,332
Reklaw2,217-1,966
WilcoxWILCOX - DISPOSAL2,854-2,603
Carrizo2,855-2,604
Bartosh4,891-4,640
EscondidoESCONDIDO - H2S, DISPOSAL6,955-6,704
NavarroNAVARRO - H2S7,073-6,822
OlmosOLMOS - DISPOSAL7,666-7,415
AnacachoANACACHO - H2S9,033-8,782
Austin ChalkAUSTIN CHALK - H2S, DISPOSAL9,302-9,051

BRazorback B #2H 42-013-36141

EOG Resources, Inc. · Atascosa · 263 ft elevation · 10,800 ft TD

FormationMD ftSubsea
WilcoxWILCOX - DISPOSAL2,796-2,533
Carrizo2,797-2,534
EscondidoESCONDIDO - H2S, DISPOSAL6,529-6,266
NavarroNAVARRO - H2S6,529-6,266
OlmosOLMOS - DISPOSAL7,604-7,341
AnacachoANACACHO - H2S8,894-8,631
Austin ChalkAUSTIN CHALK - H2S, DISPOSAL9,149-8,886

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.