0004: SELECT DISTINCT count(DISTINCT "SubsiteDomain"."ID") AS "Count" FROM "SubsiteDomain" INNER JOIN "Subsite" ON "Subsite"."ID" = "SubsiteDomain"."SubsiteID" AND "Subsite"."IsPublic"=1 WHERE ('igiltd.dev' LIKE replace("SubsiteDomain"."Domain",'*','%')) 0.0006s

0005: SELECT DISTINCT "Subsite"."ClassName", "Subsite"."LastEdited", "Subsite"."Created", "Subsite"."DefaultSite", "Subsite"."ID", CASE WHEN "Subsite"."ClassName" IS NOT NULL THEN "Subsite"."ClassName" ELSE 'SilverStripe\\Subsites\\Model\\Subsite' END AS "RecordClassName", "Subsite"."Title" FROM "Subsite" WHERE ("Subsite"."DefaultSite" = ?) ORDER BY "Subsite"."Title" ASC LIMIT 1 0.0004s

0007: SELECT DISTINCT "SiteTree_Live"."ClassName", "SiteTree_Live"."LastEdited", "SiteTree_Live"."Created", "SiteTree_Live"."Priority", "SiteTree_Live"."CanViewType", "SiteTree_Live"."CanEditType", "SiteTree_Live"."Version", "SiteTree_Live"."URLSegment", "SiteTree_Live"."Title", "SiteTree_Live"."MenuTitle", "SiteTree_Live"."Content", "SiteTree_Live"."MetaDescription", "SiteTree_Live"."ExtraMeta", "SiteTree_Live"."ShowInMenus", "SiteTree_Live"."ShowInSearch", "SiteTree_Live"."Sort", "SiteTree_Live"."HasBrokenFile", "SiteTree_Live"."HasBrokenLink", "SiteTree_Live"."ReportClass", "SiteTree_Live"."SubsiteID", "SiteTree_Live"."ParentID", "SiteTree_Live"."ID", CASE WHEN "SiteTree_Live"."ClassName" IS NOT NULL THEN "SiteTree_Live"."ClassName" ELSE 'SilverStripe\\CMS\\Model\\SiteTree' END AS "RecordClassName" FROM "SiteTree_Live" WHERE ("SiteTree_Live"."URLSegment" = ?) AND ("SiteTree_Live"."ParentID" = ?) AND ("SiteTree_Live"."SubsiteID" IN (0)) ORDER BY "SiteTree_Live"."Sort" ASC LIMIT 1 0.0008s

0008: SELECT DISTINCT "SiteTree_Live"."ClassName", "SiteTree_Live"."LastEdited", "SiteTree_Live"."Created", "SiteTree_Live"."Priority", "SiteTree_Live"."CanViewType", "SiteTree_Live"."CanEditType", "SiteTree_Live"."Version", "SiteTree_Live"."URLSegment", "SiteTree_Live"."Title", "SiteTree_Live"."MenuTitle", "SiteTree_Live"."Content", "SiteTree_Live"."MetaDescription", "SiteTree_Live"."ExtraMeta", "SiteTree_Live"."ShowInMenus", "SiteTree_Live"."ShowInSearch", "SiteTree_Live"."Sort", "SiteTree_Live"."HasBrokenFile", "SiteTree_Live"."HasBrokenLink", "SiteTree_Live"."ReportClass", "SiteTree_Live"."SubsiteID", "SiteTree_Live"."ParentID", "SiteTree_Live"."ID", CASE WHEN "SiteTree_Live"."ClassName" IS NOT NULL THEN "SiteTree_Live"."ClassName" ELSE 'SilverStripe\\CMS\\Model\\SiteTree' END AS "RecordClassName" FROM "SiteTree_Live" WHERE ("SiteTree_Live"."ParentID" = ?) AND ("SiteTree_Live"."URLSegment" = ?) AND ("SiteTree_Live"."SubsiteID" IN (0)) ORDER BY "SiteTree_Live"."Sort" ASC LIMIT 1 0.0004s

0009: SELECT DISTINCT "SiteTree_Live"."ClassName", "SiteTree_Live"."LastEdited", "SiteTree_Live"."Created", "SiteTree_Live"."Priority", "SiteTree_Live"."CanViewType", "SiteTree_Live"."CanEditType", "SiteTree_Live"."Version", "SiteTree_Live"."URLSegment", "SiteTree_Live"."Title", "SiteTree_Live"."MenuTitle", "SiteTree_Live"."Content", "SiteTree_Live"."MetaDescription", "SiteTree_Live"."ExtraMeta", "SiteTree_Live"."ShowInMenus", "SiteTree_Live"."ShowInSearch", "SiteTree_Live"."Sort", "SiteTree_Live"."HasBrokenFile", "SiteTree_Live"."HasBrokenLink", "SiteTree_Live"."ReportClass", "SiteTree_Live"."SubsiteID", "SiteTree_Live"."ParentID", "SiteTree_Live"."ID", CASE WHEN "SiteTree_Live"."ClassName" IS NOT NULL THEN "SiteTree_Live"."ClassName" ELSE 'SilverStripe\\CMS\\Model\\SiteTree' END AS "RecordClassName" FROM "SiteTree_Live" WHERE ("SiteTree_Live"."ID" = ?) ORDER BY "SiteTree_Live"."Sort" ASC LIMIT 1 0.0004s

0010: SELECT DISTINCT "Subsite"."ClassName", "Subsite"."LastEdited", "Subsite"."Created", "Subsite"."Title", "Subsite"."RedirectURL", "Subsite"."DefaultSite", "Subsite"."Theme", "Subsite"."Language", "Subsite"."IsPublic", "Subsite"."PageTypeBlacklist", "Subsite"."ID", CASE WHEN "Subsite"."ClassName" IS NOT NULL THEN "Subsite"."ClassName" ELSE 'SilverStripe\\Subsites\\Model\\Subsite' END AS "RecordClassName" FROM "Subsite" WHERE ("Subsite"."ID" = ?) ORDER BY "Subsite"."Title" ASC LIMIT 1 0.0003s

0011: SELECT DISTINCT "SiteConfig"."ClassName", "SiteConfig"."LastEdited", "SiteConfig"."Created", "SiteConfig"."Title", "SiteConfig"."Tagline", "SiteConfig"."CanViewType", "SiteConfig"."CanEditType", "SiteConfig"."CanCreateTopLevelType", "SiteConfig"."SubsiteID", "SiteConfig"."BrandID", "SiteConfig"."ID", CASE WHEN "SiteConfig"."ClassName" IS NOT NULL THEN "SiteConfig"."ClassName" ELSE 'SilverStripe\\SiteConfig\\SiteConfig' END AS "RecordClassName" FROM "SiteConfig" WHERE ("SiteConfig"."SubsiteID" IN (0)) LIMIT 1 0.0003s

0012: SELECT CASE WHEN EXISTS(SELECT * FROM "Subsite" ) THEN 1 ELSE 0 END 0.0002s

0013: SELECT DISTINCT "PublishDate" IS NULL AS "_SortColumn0", "SiteTree_Live"."ClassName", "SiteTree_Live"."LastEdited", "SiteTree_Live"."Created", "BlogPost_Live"."PublishDate", "BlogPost_Live"."AuthorNames", "BlogPost_Live"."Summary", "BlogPost_Live"."ElementalAreaID", "BlogPost_Live"."FeaturedImageID", "SiteTree_Live"."ID", CASE WHEN "SiteTree_Live"."ClassName" IS NOT NULL THEN "SiteTree_Live"."ClassName" ELSE 'SilverStripe\\CMS\\Model\\SiteTree' END AS "RecordClassName" FROM "SiteTree_Live" LEFT JOIN "BlogPost_Live" ON "BlogPost_Live"."ID" = "SiteTree_Live"."ID" LEFT JOIN "Page_Live" ON "Page_Live"."ID" = "SiteTree_Live"."ID" WHERE ("SiteTree_Live"."ID" = ?) AND ("SiteTree_Live"."ClassName" IN (?)) AND ("PublishDate" < '2024-12-28 07:15:07') ORDER BY "_SortColumn0" DESC, "BlogPost_Live"."PublishDate" DESC LIMIT 1 0.0005s

0014: SELECT DISTINCT "SiteTree_Live"."ClassName", "SiteTree_Live"."LastEdited", "SiteTree_Live"."Created", "Page_Live"."MenuSubtitle", "Page_Live"."MenuIcon", "Page_Live"."MenuStyle", "Page_Live"."BrandID", "SiteTree_Live"."ID", CASE WHEN "SiteTree_Live"."ClassName" IS NOT NULL THEN "SiteTree_Live"."ClassName" ELSE 'SilverStripe\\CMS\\Model\\SiteTree' END AS "RecordClassName", "SiteTree_Live"."Sort" FROM "SiteTree_Live" LEFT JOIN "Page_Live" ON "Page_Live"."ID" = "SiteTree_Live"."ID" INNER JOIN "BlogPost_Live" ON "SiteTree_Live"."ID" = "BlogPost_Live"."ID" WHERE ("SiteTree_Live"."ID" = ?) AND ("SiteTree_Live"."ClassName" IN (?, ?, ?, ?, ?, ?, ?, ?)) ORDER BY "SiteTree_Live"."Sort" ASC LIMIT 1 0.0006s

0015: SELECT DISTINCT "SiteTree_Live"."ClassName", "SiteTree_Live"."LastEdited", "SiteTree_Live"."Created", "Page_Live"."MenuSubtitle", "Page_Live"."MenuIcon", "Page_Live"."MenuStyle", "Page_Live"."BrandID", "SiteTree_Live"."ID", CASE WHEN "SiteTree_Live"."ClassName" IS NOT NULL THEN "SiteTree_Live"."ClassName" ELSE 'SilverStripe\\CMS\\Model\\SiteTree' END AS "RecordClassName", "SiteTree_Live"."Sort" FROM "SiteTree_Live" LEFT JOIN "Page_Live" ON "Page_Live"."ID" = "SiteTree_Live"."ID" WHERE ("SiteTree_Live"."ID" = ?) AND ("SiteTree_Live"."ClassName" IN (?, ?, ?, ?, ?, ?, ?, ?)) ORDER BY "SiteTree_Live"."Sort" ASC LIMIT 1 0.0005s

0016: SELECT DISTINCT "Brand"."ClassName", "Brand"."LastEdited", "Brand"."Created", "Brand"."Title", "Brand"."Icon", "Brand"."Color", "Brand"."Pattern", "Brand"."ID", CASE WHEN "Brand"."ClassName" IS NOT NULL THEN "Brand"."ClassName" ELSE 'IGI\\Website\\Models\\Brand' END AS "RecordClassName" FROM "Brand" WHERE ("Brand"."ID" = ?) LIMIT 1 0.0003s

0017: SELECT DISTINCT "SiteTree_Live"."ClassName", "SiteTree_Live"."LastEdited", "SiteTree_Live"."Created", "SiteTree_Live"."Priority", "SiteTree_Live"."CanViewType", "SiteTree_Live"."CanEditType", "SiteTree_Live"."Version", "SiteTree_Live"."URLSegment", "SiteTree_Live"."Title", "SiteTree_Live"."MenuTitle", "SiteTree_Live"."Content", "SiteTree_Live"."MetaDescription", "SiteTree_Live"."ExtraMeta", "SiteTree_Live"."ShowInMenus", "SiteTree_Live"."ShowInSearch", "SiteTree_Live"."Sort", "SiteTree_Live"."HasBrokenFile", "SiteTree_Live"."HasBrokenLink", "SiteTree_Live"."ReportClass", "SiteTree_Live"."SubsiteID", "SiteTree_Live"."ParentID", "SiteTree_Live"."ID", CASE WHEN "SiteTree_Live"."ClassName" IS NOT NULL THEN "SiteTree_Live"."ClassName" ELSE 'SilverStripe\\CMS\\Model\\SiteTree' END AS "RecordClassName" FROM "SiteTree_Live" WHERE ("SiteTree_Live"."ShowInMenus" = ?) AND ("SiteTree_Live"."ParentID" = ?) AND ("SiteTree_Live"."SubsiteID" IN (0)) ORDER BY "SiteTree_Live"."Sort" ASC 0.0021s

0018: SELECT DISTINCT "SiteTree_Live"."ClassName", "SiteTree_Live"."LastEdited", "SiteTree_Live"."Created", "SiteTree_Live"."Priority", "SiteTree_Live"."CanViewType", "SiteTree_Live"."CanEditType", "SiteTree_Live"."Version", "SiteTree_Live"."URLSegment", "SiteTree_Live"."Title", "SiteTree_Live"."MenuTitle", "SiteTree_Live"."Content", "SiteTree_Live"."MetaDescription", "SiteTree_Live"."ExtraMeta", "SiteTree_Live"."ShowInMenus", "SiteTree_Live"."ShowInSearch", "SiteTree_Live"."Sort", "SiteTree_Live"."HasBrokenFile", "SiteTree_Live"."HasBrokenLink", "SiteTree_Live"."ReportClass", "SiteTree_Live"."SubsiteID", "SiteTree_Live"."ParentID", "SiteTree_Live"."ID", CASE WHEN "SiteTree_Live"."ClassName" IS NOT NULL THEN "SiteTree_Live"."ClassName" ELSE 'SilverStripe\\CMS\\Model\\SiteTree' END AS "RecordClassName" FROM "SiteTree_Live" WHERE ("SiteTree_Live"."ParentID" <> "SiteTree_Live"."ID") AND ("SiteTree_Live"."ParentID" = ?) AND ("SiteTree_Live"."ShowInMenus" = ?) AND ("SiteTree_Live"."SubsiteID" IN (0)) ORDER BY "SiteTree_Live"."Sort" ASC 0.0005s

0019: SELECT DISTINCT "SiteTree_Live"."ClassName", "SiteTree_Live"."LastEdited", "SiteTree_Live"."Created", "SiteTree_Live"."Priority", "SiteTree_Live"."CanViewType", "SiteTree_Live"."CanEditType", "SiteTree_Live"."Version", "SiteTree_Live"."URLSegment", "SiteTree_Live"."Title", "SiteTree_Live"."MenuTitle", "SiteTree_Live"."Content", "SiteTree_Live"."MetaDescription", "SiteTree_Live"."ExtraMeta", "SiteTree_Live"."ShowInMenus", "SiteTree_Live"."ShowInSearch", "SiteTree_Live"."Sort", "SiteTree_Live"."HasBrokenFile", "SiteTree_Live"."HasBrokenLink", "SiteTree_Live"."ReportClass", "SiteTree_Live"."SubsiteID", "SiteTree_Live"."ParentID", "SiteTree_Live"."ID", CASE WHEN "SiteTree_Live"."ClassName" IS NOT NULL THEN "SiteTree_Live"."ClassName" ELSE 'SilverStripe\\CMS\\Model\\SiteTree' END AS "RecordClassName" FROM "SiteTree_Live" WHERE ("SiteTree_Live"."ID" = ?) ORDER BY "SiteTree_Live"."Sort" ASC LIMIT 1 0.0004s

0020: SELECT DISTINCT "SiteTree_Live"."ClassName", "SiteTree_Live"."LastEdited", "SiteTree_Live"."Created", "SiteTree_Live"."Priority", "SiteTree_Live"."CanViewType", "SiteTree_Live"."CanEditType", "SiteTree_Live"."Version", "SiteTree_Live"."URLSegment", "SiteTree_Live"."Title", "SiteTree_Live"."MenuTitle", "SiteTree_Live"."Content", "SiteTree_Live"."MetaDescription", "SiteTree_Live"."ExtraMeta", "SiteTree_Live"."ShowInMenus", "SiteTree_Live"."ShowInSearch", "SiteTree_Live"."Sort", "SiteTree_Live"."HasBrokenFile", "SiteTree_Live"."HasBrokenLink", "SiteTree_Live"."ReportClass", "SiteTree_Live"."SubsiteID", "SiteTree_Live"."ParentID", "SiteTree_Live"."ID", CASE WHEN "SiteTree_Live"."ClassName" IS NOT NULL THEN "SiteTree_Live"."ClassName" ELSE 'SilverStripe\\CMS\\Model\\SiteTree' END AS "RecordClassName" FROM "SiteTree_Live" WHERE ("SiteTree_Live"."ParentID" <> "SiteTree_Live"."ID") AND ("SiteTree_Live"."ParentID" = ?) AND ("SiteTree_Live"."ShowInMenus" = ?) AND ("SiteTree_Live"."SubsiteID" IN (0)) ORDER BY "SiteTree_Live"."Sort" ASC 0.0004s

0021: SELECT DISTINCT "SiteTree_Live"."ClassName", "SiteTree_Live"."LastEdited", "SiteTree_Live"."Created", "SiteTree_Live"."Priority", "SiteTree_Live"."CanViewType", "SiteTree_Live"."CanEditType", "SiteTree_Live"."Version", "SiteTree_Live"."URLSegment", "SiteTree_Live"."Title", "SiteTree_Live"."MenuTitle", "SiteTree_Live"."Content", "SiteTree_Live"."MetaDescription", "SiteTree_Live"."ExtraMeta", "SiteTree_Live"."ShowInMenus", "SiteTree_Live"."ShowInSearch", "SiteTree_Live"."Sort", "SiteTree_Live"."HasBrokenFile", "SiteTree_Live"."HasBrokenLink", "SiteTree_Live"."ReportClass", "SiteTree_Live"."SubsiteID", "SiteTree_Live"."ParentID", "SiteTree_Live"."ID", CASE WHEN "SiteTree_Live"."ClassName" IS NOT NULL THEN "SiteTree_Live"."ClassName" ELSE 'SilverStripe\\CMS\\Model\\SiteTree' END AS "RecordClassName" FROM "SiteTree_Live" WHERE ("SiteTree_Live"."ID" = ?) ORDER BY "SiteTree_Live"."Sort" ASC LIMIT 1 0.0003s

0022: SELECT DISTINCT "SiteTree_Live"."ClassName", "SiteTree_Live"."LastEdited", "SiteTree_Live"."Created", "SiteTree_Live"."Priority", "SiteTree_Live"."CanViewType", "SiteTree_Live"."CanEditType", "SiteTree_Live"."Version", "SiteTree_Live"."URLSegment", "SiteTree_Live"."Title", "SiteTree_Live"."MenuTitle", "SiteTree_Live"."Content", "SiteTree_Live"."MetaDescription", "SiteTree_Live"."ExtraMeta", "SiteTree_Live"."ShowInMenus", "SiteTree_Live"."ShowInSearch", "SiteTree_Live"."Sort", "SiteTree_Live"."HasBrokenFile", "SiteTree_Live"."HasBrokenLink", "SiteTree_Live"."ReportClass", "SiteTree_Live"."SubsiteID", "SiteTree_Live"."ParentID", "SiteTree_Live"."ID", CASE WHEN "SiteTree_Live"."ClassName" IS NOT NULL THEN "SiteTree_Live"."ClassName" ELSE 'SilverStripe\\CMS\\Model\\SiteTree' END AS "RecordClassName" FROM "SiteTree_Live" WHERE ("SiteTree_Live"."ID" = ?) ORDER BY "SiteTree_Live"."Sort" ASC LIMIT 1 0.0004s

0023: SELECT DISTINCT "SiteTree_Live"."ClassName", "SiteTree_Live"."LastEdited", "SiteTree_Live"."Created", "Page_Live"."MenuSubtitle", "Page_Live"."MenuIcon", "Page_Live"."MenuStyle", "Page_Live"."BrandID", "SiteTree_Live"."ID", CASE WHEN "SiteTree_Live"."ClassName" IS NOT NULL THEN "SiteTree_Live"."ClassName" ELSE 'SilverStripe\\CMS\\Model\\SiteTree' END AS "RecordClassName", "SiteTree_Live"."Sort" FROM "SiteTree_Live" LEFT JOIN "Page_Live" ON "Page_Live"."ID" = "SiteTree_Live"."ID" WHERE ("SiteTree_Live"."ID" = ?) AND ("SiteTree_Live"."ClassName" IN (?, ?, ?, ?, ?, ?, ?, ?)) ORDER BY "SiteTree_Live"."Sort" ASC LIMIT 1 0.0004s

0024: SELECT DISTINCT "SiteTree_Live"."ClassName", "SiteTree_Live"."LastEdited", "SiteTree_Live"."Created", "RedirectorPage_Live"."RedirectionType", "RedirectorPage_Live"."ExternalURL", "RedirectorPage_Live"."LinkToID", "RedirectorPage_Live"."LinkToFileID", "SiteTree_Live"."ID", CASE WHEN "SiteTree_Live"."ClassName" IS NOT NULL THEN "SiteTree_Live"."ClassName" ELSE 'SilverStripe\\CMS\\Model\\SiteTree' END AS "RecordClassName", "SiteTree_Live"."Sort" FROM "SiteTree_Live" LEFT JOIN "Page_Live" ON "Page_Live"."ID" = "SiteTree_Live"."ID" LEFT JOIN "RedirectorPage_Live" ON "RedirectorPage_Live"."ID" = "SiteTree_Live"."ID" WHERE ("SiteTree_Live"."ID" = ?) AND ("SiteTree_Live"."ClassName" IN (?)) ORDER BY "SiteTree_Live"."Sort" ASC LIMIT 1 0.0004s

0025: SELECT DISTINCT "SiteTree_Live"."ClassName", "SiteTree_Live"."LastEdited", "SiteTree_Live"."Created", "RedirectorPage_Live"."RedirectionType", "RedirectorPage_Live"."ExternalURL", "RedirectorPage_Live"."LinkToID", "RedirectorPage_Live"."LinkToFileID", "SiteTree_Live"."ID", CASE WHEN "SiteTree_Live"."ClassName" IS NOT NULL THEN "SiteTree_Live"."ClassName" ELSE 'SilverStripe\\CMS\\Model\\SiteTree' END AS "RecordClassName", "SiteTree_Live"."Sort" FROM "SiteTree_Live" LEFT JOIN "Page_Live" ON "Page_Live"."ID" = "SiteTree_Live"."ID" LEFT JOIN "RedirectorPage_Live" ON "RedirectorPage_Live"."ID" = "SiteTree_Live"."ID" WHERE ("SiteTree_Live"."ID" = ?) AND ("SiteTree_Live"."ClassName" IN (?)) ORDER BY "SiteTree_Live"."Sort" ASC LIMIT 1 0.0003s

0026: SELECT DISTINCT "SiteTree_Live"."ClassName", "SiteTree_Live"."LastEdited", "SiteTree_Live"."Created", "SiteTree_Live"."Priority", "SiteTree_Live"."CanViewType", "SiteTree_Live"."CanEditType", "SiteTree_Live"."Version", "SiteTree_Live"."URLSegment", "SiteTree_Live"."Title", "SiteTree_Live"."MenuTitle", "SiteTree_Live"."Content", "SiteTree_Live"."MetaDescription", "SiteTree_Live"."ExtraMeta", "SiteTree_Live"."ShowInMenus", "SiteTree_Live"."ShowInSearch", "SiteTree_Live"."Sort", "SiteTree_Live"."HasBrokenFile", "SiteTree_Live"."HasBrokenLink", "SiteTree_Live"."ReportClass", "SiteTree_Live"."SubsiteID", "SiteTree_Live"."ParentID", "SiteTree_Live"."ID", CASE WHEN "SiteTree_Live"."ClassName" IS NOT NULL THEN "SiteTree_Live"."ClassName" ELSE 'SilverStripe\\CMS\\Model\\SiteTree' END AS "RecordClassName" FROM "SiteTree_Live" WHERE ("SiteTree_Live"."ParentID" <> "SiteTree_Live"."ID") AND ("SiteTree_Live"."ParentID" = ?) AND ("SiteTree_Live"."ShowInMenus" = ?) AND ("SiteTree_Live"."SubsiteID" IN (0)) ORDER BY "SiteTree_Live"."Sort" ASC 0.0006s

0027: SELECT DISTINCT "SiteTree_Live"."ClassName", "SiteTree_Live"."LastEdited", "SiteTree_Live"."Created", "SiteTree_Live"."Priority", "SiteTree_Live"."CanViewType", "SiteTree_Live"."CanEditType", "SiteTree_Live"."Version", "SiteTree_Live"."URLSegment", "SiteTree_Live"."Title", "SiteTree_Live"."MenuTitle", "SiteTree_Live"."Content", "SiteTree_Live"."MetaDescription", "SiteTree_Live"."ExtraMeta", "SiteTree_Live"."ShowInMenus", "SiteTree_Live"."ShowInSearch", "SiteTree_Live"."Sort", "SiteTree_Live"."HasBrokenFile", "SiteTree_Live"."HasBrokenLink", "SiteTree_Live"."ReportClass", "SiteTree_Live"."SubsiteID", "SiteTree_Live"."ParentID", "SiteTree_Live"."ID", CASE WHEN "SiteTree_Live"."ClassName" IS NOT NULL THEN "SiteTree_Live"."ClassName" ELSE 'SilverStripe\\CMS\\Model\\SiteTree' END AS "RecordClassName" FROM "SiteTree_Live" WHERE ("SiteTree_Live"."ID" = ?) ORDER BY "SiteTree_Live"."Sort" ASC LIMIT 1 0.0003s

0028: SELECT DISTINCT "SiteTree_Live"."ClassName", "SiteTree_Live"."LastEdited", "SiteTree_Live"."Created", "SiteTree_Live"."Priority", "SiteTree_Live"."CanViewType", "SiteTree_Live"."CanEditType", "SiteTree_Live"."Version", "SiteTree_Live"."URLSegment", "SiteTree_Live"."Title", "SiteTree_Live"."MenuTitle", "SiteTree_Live"."Content", "SiteTree_Live"."MetaDescription", "SiteTree_Live"."ExtraMeta", "SiteTree_Live"."ShowInMenus", "SiteTree_Live"."ShowInSearch", "SiteTree_Live"."Sort", "SiteTree_Live"."HasBrokenFile", "SiteTree_Live"."HasBrokenLink", "SiteTree_Live"."ReportClass", "SiteTree_Live"."SubsiteID", "SiteTree_Live"."ParentID", "SiteTree_Live"."ID", CASE WHEN "SiteTree_Live"."ClassName" IS NOT NULL THEN "SiteTree_Live"."ClassName" ELSE 'SilverStripe\\CMS\\Model\\SiteTree' END AS "RecordClassName" FROM "SiteTree_Live" WHERE ("SiteTree_Live"."ID" = ?) ORDER BY "SiteTree_Live"."Sort" ASC LIMIT 1 0.0003s

0029: SELECT DISTINCT "SiteTree_Live"."ClassName", "SiteTree_Live"."LastEdited", "SiteTree_Live"."Created", "SiteTree_Live"."Priority", "SiteTree_Live"."CanViewType", "SiteTree_Live"."CanEditType", "SiteTree_Live"."Version", "SiteTree_Live"."URLSegment", "SiteTree_Live"."Title", "SiteTree_Live"."MenuTitle", "SiteTree_Live"."Content", "SiteTree_Live"."MetaDescription", "SiteTree_Live"."ExtraMeta", "SiteTree_Live"."ShowInMenus", "SiteTree_Live"."ShowInSearch", "SiteTree_Live"."Sort", "SiteTree_Live"."HasBrokenFile", "SiteTree_Live"."HasBrokenLink", "SiteTree_Live"."ReportClass", "SiteTree_Live"."SubsiteID", "SiteTree_Live"."ParentID", "SiteTree_Live"."ID", CASE WHEN "SiteTree_Live"."ClassName" IS NOT NULL THEN "SiteTree_Live"."ClassName" ELSE 'SilverStripe\\CMS\\Model\\SiteTree' END AS "RecordClassName" FROM "SiteTree_Live" WHERE ("SiteTree_Live"."ID" = ?) ORDER BY "SiteTree_Live"."Sort" ASC LIMIT 1 0.0003s

0030: SELECT DISTINCT "SiteTree_Live"."ClassName", "SiteTree_Live"."LastEdited", "SiteTree_Live"."Created", "Page_Live"."MenuSubtitle", "Page_Live"."MenuIcon", "Page_Live"."MenuStyle", "Page_Live"."BrandID", "SiteTree_Live"."ID", CASE WHEN "SiteTree_Live"."ClassName" IS NOT NULL THEN "SiteTree_Live"."ClassName" ELSE 'SilverStripe\\CMS\\Model\\SiteTree' END AS "RecordClassName", "SiteTree_Live"."Sort" FROM "SiteTree_Live" LEFT JOIN "Page_Live" ON "Page_Live"."ID" = "SiteTree_Live"."ID" WHERE ("SiteTree_Live"."ID" = ?) AND ("SiteTree_Live"."ClassName" IN (?, ?, ?, ?, ?, ?, ?, ?)) ORDER BY "SiteTree_Live"."Sort" ASC LIMIT 1 0.0004s

0031: SELECT DISTINCT "SiteTree_Live"."ClassName", "SiteTree_Live"."LastEdited", "SiteTree_Live"."Created", "RedirectorPage_Live"."RedirectionType", "RedirectorPage_Live"."ExternalURL", "RedirectorPage_Live"."LinkToID", "RedirectorPage_Live"."LinkToFileID", "SiteTree_Live"."ID", CASE WHEN "SiteTree_Live"."ClassName" IS NOT NULL THEN "SiteTree_Live"."ClassName" ELSE 'SilverStripe\\CMS\\Model\\SiteTree' END AS "RecordClassName", "SiteTree_Live"."Sort" FROM "SiteTree_Live" LEFT JOIN "Page_Live" ON "Page_Live"."ID" = "SiteTree_Live"."ID" LEFT JOIN "RedirectorPage_Live" ON "RedirectorPage_Live"."ID" = "SiteTree_Live"."ID" WHERE ("SiteTree_Live"."ID" = ?) AND ("SiteTree_Live"."ClassName" IN (?)) ORDER BY "SiteTree_Live"."Sort" ASC LIMIT 1 0.0003s

0032: SELECT DISTINCT "SiteTree_Live"."ClassName", "SiteTree_Live"."LastEdited", "SiteTree_Live"."Created", "RedirectorPage_Live"."RedirectionType", "RedirectorPage_Live"."ExternalURL", "RedirectorPage_Live"."LinkToID", "RedirectorPage_Live"."LinkToFileID", "SiteTree_Live"."ID", CASE WHEN "SiteTree_Live"."ClassName" IS NOT NULL THEN "SiteTree_Live"."ClassName" ELSE 'SilverStripe\\CMS\\Model\\SiteTree' END AS "RecordClassName", "SiteTree_Live"."Sort" FROM "SiteTree_Live" LEFT JOIN "Page_Live" ON "Page_Live"."ID" = "SiteTree_Live"."ID" LEFT JOIN "RedirectorPage_Live" ON "RedirectorPage_Live"."ID" = "SiteTree_Live"."ID" WHERE ("SiteTree_Live"."ID" = ?) AND ("SiteTree_Live"."ClassName" IN (?)) ORDER BY "SiteTree_Live"."Sort" ASC LIMIT 1 0.0004s

0033: SELECT DISTINCT "SiteTree_Live"."ClassName", "SiteTree_Live"."LastEdited", "SiteTree_Live"."Created", "RedirectorPage_Live"."RedirectionType", "RedirectorPage_Live"."ExternalURL", "RedirectorPage_Live"."LinkToID", "RedirectorPage_Live"."LinkToFileID", "SiteTree_Live"."ID", CASE WHEN "SiteTree_Live"."ClassName" IS NOT NULL THEN "SiteTree_Live"."ClassName" ELSE 'SilverStripe\\CMS\\Model\\SiteTree' END AS "RecordClassName", "SiteTree_Live"."Sort" FROM "SiteTree_Live" LEFT JOIN "Page_Live" ON "Page_Live"."ID" = "SiteTree_Live"."ID" LEFT JOIN "RedirectorPage_Live" ON "RedirectorPage_Live"."ID" = "SiteTree_Live"."ID" WHERE ("SiteTree_Live"."ID" = ?) AND ("SiteTree_Live"."ClassName" IN (?)) ORDER BY "SiteTree_Live"."Sort" ASC LIMIT 1 0.0005s

0034: SELECT DISTINCT "SiteTree_Live"."ClassName", "SiteTree_Live"."LastEdited", "SiteTree_Live"."Created", "SiteTree_Live"."Priority", "SiteTree_Live"."CanViewType", "SiteTree_Live"."CanEditType", "SiteTree_Live"."Version", "SiteTree_Live"."URLSegment", "SiteTree_Live"."Title", "SiteTree_Live"."MenuTitle", "SiteTree_Live"."Content", "SiteTree_Live"."MetaDescription", "SiteTree_Live"."ExtraMeta", "SiteTree_Live"."ShowInMenus", "SiteTree_Live"."ShowInSearch", "SiteTree_Live"."Sort", "SiteTree_Live"."HasBrokenFile", "SiteTree_Live"."HasBrokenLink", "SiteTree_Live"."ReportClass", "SiteTree_Live"."SubsiteID", "SiteTree_Live"."ParentID", "SiteTree_Live"."ID", CASE WHEN "SiteTree_Live"."ClassName" IS NOT NULL THEN "SiteTree_Live"."ClassName" ELSE 'SilverStripe\\CMS\\Model\\SiteTree' END AS "RecordClassName" FROM "SiteTree_Live" INNER JOIN "BlogPost_Live" ON "BlogPost_Live"."ID" = "SiteTree_Live"."ID" WHERE ("SiteTree_Live"."ParentID" = ?) AND (("SiteTree_Live"."ID" != ? OR "SiteTree_Live"."ID" IS NULL)) AND ("SiteTree_Live"."ShowInMenus" = ?) AND ("PublishDate" < '2024-12-28 07:15:07') AND ("SiteTree_Live"."SubsiteID" IN (0)) ORDER BY "SiteTree_Live"."Sort" ASC 0.001s

0035: SELECT DISTINCT "SiteTree_Live"."ClassName", "SiteTree_Live"."LastEdited", "SiteTree_Live"."Created", "SiteTree_Live"."Priority", "SiteTree_Live"."CanViewType", "SiteTree_Live"."CanEditType", "SiteTree_Live"."Version", "SiteTree_Live"."URLSegment", "SiteTree_Live"."Title", "SiteTree_Live"."MenuTitle", "SiteTree_Live"."Content", "SiteTree_Live"."MetaDescription", "SiteTree_Live"."ExtraMeta", "SiteTree_Live"."ShowInMenus", "SiteTree_Live"."ShowInSearch", "SiteTree_Live"."Sort", "SiteTree_Live"."HasBrokenFile", "SiteTree_Live"."HasBrokenLink", "SiteTree_Live"."ReportClass", "SiteTree_Live"."SubsiteID", "SiteTree_Live"."ParentID", "SiteTree_Live"."ID", CASE WHEN "SiteTree_Live"."ClassName" IS NOT NULL THEN "SiteTree_Live"."ClassName" ELSE 'SilverStripe\\CMS\\Model\\SiteTree' END AS "RecordClassName" FROM "SiteTree_Live" WHERE ("SiteTree_Live"."ParentID" <> "SiteTree_Live"."ID") AND ("SiteTree_Live"."ParentID" = ?) AND ("SiteTree_Live"."ShowInMenus" = ?) AND ("SiteTree_Live"."SubsiteID" IN (0)) ORDER BY "SiteTree_Live"."Sort" ASC 0.0005s

0036: SELECT DISTINCT "SiteTree_Live"."ClassName", "SiteTree_Live"."LastEdited", "SiteTree_Live"."Created", "SiteTree_Live"."Priority", "SiteTree_Live"."CanViewType", "SiteTree_Live"."CanEditType", "SiteTree_Live"."Version", "SiteTree_Live"."URLSegment", "SiteTree_Live"."Title", "SiteTree_Live"."MenuTitle", "SiteTree_Live"."Content", "SiteTree_Live"."MetaDescription", "SiteTree_Live"."ExtraMeta", "SiteTree_Live"."ShowInMenus", "SiteTree_Live"."ShowInSearch", "SiteTree_Live"."Sort", "SiteTree_Live"."HasBrokenFile", "SiteTree_Live"."HasBrokenLink", "SiteTree_Live"."ReportClass", "SiteTree_Live"."SubsiteID", "SiteTree_Live"."ParentID", "SiteTree_Live"."ID", CASE WHEN "SiteTree_Live"."ClassName" IS NOT NULL THEN "SiteTree_Live"."ClassName" ELSE 'SilverStripe\\CMS\\Model\\SiteTree' END AS "RecordClassName" FROM "SiteTree_Live" WHERE ("SiteTree_Live"."ID" = ?) ORDER BY "SiteTree_Live"."Sort" ASC LIMIT 1 0.0003s

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0042: SELECT DISTINCT count(DISTINCT "BlogCategory"."ID") AS "Count" FROM "BlogCategory" INNER JOIN "BlogPost_Categories" ON "BlogPost_Categories"."BlogCategoryID" = "BlogCategory"."ID" WHERE ("BlogPost_Categories"."BlogPostID" = ?) 0.0003s

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0044: SELECT DISTINCT "ElementalArea_Live"."ClassName", "ElementalArea_Live"."LastEdited", "ElementalArea_Live"."Created", "ElementalArea_Live"."Version", "ElementalArea_Live"."OwnerClassName", "ElementalArea_Live"."TopPageID", "ElementalArea_Live"."ID", CASE WHEN "ElementalArea_Live"."ClassName" IS NOT NULL THEN "ElementalArea_Live"."ClassName" ELSE 'DNADesign\\Elemental\\Models\\ElementalArea' END AS "RecordClassName" FROM "ElementalArea_Live" WHERE ("ElementalArea_Live"."ID" = ?) LIMIT 1 0.0003s

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0046: SELECT DISTINCT "ElementalArea_Live"."ClassName", "ElementalArea_Live"."LastEdited", "ElementalArea_Live"."Created", "ElementalArea_Live"."Version", "ElementalArea_Live"."OwnerClassName", "ElementalArea_Live"."TopPageID", "ElementalArea_Live"."ID", CASE WHEN "ElementalArea_Live"."ClassName" IS NOT NULL THEN "ElementalArea_Live"."ClassName" ELSE 'DNADesign\\Elemental\\Models\\ElementalArea' END AS "RecordClassName" FROM "ElementalArea_Live" WHERE ("ElementalArea_Live"."ID" = ?) LIMIT 1 0.0003s

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0051: SELECT DISTINCT "Element_Live"."ClassName", "Element_Live"."LastEdited", "Element_Live"."Created", "ElementContent_Live"."HTML", "Element_Live"."ID", CASE WHEN "Element_Live"."ClassName" IS NOT NULL THEN "Element_Live"."ClassName" ELSE 'DNADesign\\Elemental\\Models\\BaseElement' END AS "RecordClassName", "Element_Live"."Sort" FROM "Element_Live" LEFT JOIN "ElementContent_Live" ON "ElementContent_Live"."ID" = "Element_Live"."ID" WHERE ("Element_Live"."ID" = ?) AND ("Element_Live"."ClassName" IN (?)) ORDER BY "Element_Live"."Sort" ASC LIMIT 1 0.0006s

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0058: SELECT DISTINCT "SiteTree_Live"."ClassName", "SiteTree_Live"."LastEdited", "SiteTree_Live"."Created", "SiteTree_Live"."Priority", "SiteTree_Live"."CanViewType", "SiteTree_Live"."CanEditType", "SiteTree_Live"."Version", "SiteTree_Live"."URLSegment", "SiteTree_Live"."Title", "SiteTree_Live"."MenuTitle", "SiteTree_Live"."Content", "SiteTree_Live"."MetaDescription", "SiteTree_Live"."ExtraMeta", "SiteTree_Live"."ShowInMenus", "SiteTree_Live"."ShowInSearch", "SiteTree_Live"."Sort", "SiteTree_Live"."HasBrokenFile", "SiteTree_Live"."HasBrokenLink", "SiteTree_Live"."ReportClass", "SiteTree_Live"."SubsiteID", "SiteTree_Live"."ParentID", "SiteTree_Live"."ID", CASE WHEN "SiteTree_Live"."ClassName" IS NOT NULL THEN "SiteTree_Live"."ClassName" ELSE 'SilverStripe\\CMS\\Model\\SiteTree' END AS "RecordClassName" FROM "SiteTree_Live" WHERE ("SiteTree_Live"."ID" = ?) ORDER BY "SiteTree_Live"."Sort" ASC LIMIT 1 0.0003s

Nov 14, 2017

Geochemical surveys of sub-marine hydrocarbon seeps in petroleum exploration

Tom Densham

By Marianne Nuzzo

Cold seeps are areas in which hydrocarbons and water released in buried sediments and rocks are transported to the surface in sub-aerial (Mazzini et al., 2008) or marine settings (Kopf, 2002). They are very common along continental margins and generally involve dewatering of clay-rich sediments undergoing diagenetic clay-mineral transformations at temperatures of ~ 70 to 150°C (e.g. Hensen et al., 2007). The fluids are over-saturated with hydrocarbon gases, predominantly methane, which may be produced in shallow organic-rich sediments by methanogenic microbes or have a deeper thermogenic origin (e.g. Nuzzo et al., 2008 & 2012). In the latter case, the fluid may contain liquid hydrocarbons, in particular in mud volcanoes in which buried sediments are also mobilised and erupted at the surface (e.g. Stadnitskaia et al., 2007; Nuzzo et al., 2009). Seepage may be more or less intense. Very low intensity seeps result from the diffusion of hydrocarbons from shallow accumulations such as gas hydrates or shallow gas reservoirs to the surface. Higher intensity seeps involve the upward advective transport of hydrocarbon-rich water from the subsurface to the seafloor, with seepage intensity increasing for higher fluid advection rates. Transport is generally mediated by faults and seeps are very often associated with strike-slip faults (e.g. Hensen et al., 2007). Seepage is thought to be episodic and to be controlled by complex inter-related factors including pore overpressurisation caused by the generation/influx of clay-water and hydrocarbon gas, tectonics, seismic activity, gas hydrate dynamics, etc.

Hydrocarbon seeps thus hint at the presence of hydrocarbons in the subsurface. They are detectable using relatively simple geochemical methods because the seepage of hydrocarbon-rich fluids in immature seafloor sediments 1) sustains specific, and diagnostic, micro-organisms and biogeochemical processes; and 2) changes the composition of in-situ Organic Matter (OM). A geochemical study of the presence and distribution of seeps or microseeps can thus provide insights into the potential occurrence of hydrocarbon reservoirs in the subsurface and can constitute a cost-effective prospective tool for frontier provinces.

As methane-rich fluids are transported to the seafloor, they mingle with sulphate-rich pore water diffusing downward from the bottom seawater along a “mixing front” called the “Sulfate-Methane Transition Zone” (Reeburgh, 2007). Microbial communities often involving sulphate-reducing bacteria and ANaerobic MEthane oxidizers (ANMEs) are able to breathe sulphate and concomitantly oxidize methane to CO₂, a process referred to as Anaerobic Oxidation of Methane or AOM (Boetius et al., 2000). These microbes are responsible for the simultaneous downward decrease of sulphate (SO₄^2-) and increase of methane (CH₄) concentrations that is observed in the SMTZ (Figure 1).

MN Nov 2017 1

Figure 1: The Anaerobic Oxidation of Methane (AOM) is shallower in the more intense seep area of the mud volcano as indicated by the depth of the Sulfate-Methane Transition Zone (SMTZ, in grey) in which methane concentration decreases and d¹³C-CH₄ increases upward (A) while sulphate and hydrogen sulphide (H₂S) concentrations decrease and increase, respectively, downward (B). The concentrations of ethane and propane are higher in the most active centre than where seepage is less intense and they can be biodegraded (C). Authigenic carbonates precipitate from ¹³C-depleted bicarbonate produced by AOM (D). Diagnostic biomarkers for sulphate-reducing bacteria and Anaerobic Methane Oxidizers (“ANME”) increase in the SMTZ (E). Modified after Nuzzo et al. (2012).

If the seeping gases have a thermal origin, they might be enriched in liquid hydrocarbons whether because they constitute a highly mature gas condensate or because they have “stripped” compounds from oils they came in contact with during migration. This is recognised by the increasing and anomalous presence of mature hydrocarbons mixed with the immature compounds of the in-situ sedimentary OM close to the (focussed) seepage locations (Figure 2).

MN Nov 2017 2

Figure 2: Distribution of n-alkanes, pristane and phytane shown on m/z 157 traces (Left) and of terpanes (hopanes) shown on the m/z 191 traces (Right). (A) Most intense seepage location (CAMV), with a predominance of mature hydrocarbons. (B) Mixed immature and mature signatures. (C) Predominance of immature hydrocarbons in the least intense seep. Modified after Nuzzo et al. (2009).

Geochemical surveys for seepage and micro-seepage of hydrocarbon fluids in shallow sub-surface marine sediments are often performed using piston or gravity cores about 4 to 10 m long. These are relatively rapid and cost-effective coring techniques, and a survey can involve the collection of a large number of cores distributed over the area of interest. Upon recovery, the core liners are usually immediately cut in half, and sediment plugs collected at one or, preferably, several depths. A sediment plug is used to measure porewater gas concentrations by headspace equilibration. Another sample is collected for extraction in organic solvents and analysis of the biomarker composition of the extracted organic matter. Plastics are a major contaminant and these samples should be collected with clean metal spoons (for example) and stored in sealed furnaced glass jars. Other samples are collected for miscellaneous analyses such as total organic and inorganic carbon contents (TOC and TIC, respectively). Organic geochemistry analyses of main interest include the molecular and stable isotope composition of headspace gases, concentrations of gasoline-range hydrocarbons (e.g. by thermal extraction), and the distribution and concentrations of saturated and aromatic biomarkers.

References

Boetius A., Ravenschlag K., Schubert C. J., Rickert D., Widdel F., Gieseke A., Amann R., Jorgensen B. B., Witte U., and Pfannkuche O. (2000) A marine microbial consortium apparently mediating anaerobic oxidation of methane. Nature407, 623-626.

Hensen, C., Nuzzo, M., Hornibrook, E., Pinheiro, L.M., Bock, B., Magalhães, V.H., Brückmann, W., 2007. Sources of mud volcano fluids in the Gulf of Cadiz—indications for hydrothermal imprint. Geochimica et Cosmochimica Acta71, 1232-1248.

Kopf A. (2002) Significance of mud volcanism. Reviews of Geophysics40(2), B-1 - B-52.

Mazzini, A., Svensen, H., Planke, S., Guliyev, I., Akhmanov, G.G., Fallik, T., Banks, D., 2009. When mud volcanoes sleep: Insight from seep geochemistry at the Dashgil mud volcano, Azerbaijan. Marine and Petroleum Geology26, 1704-1715.

Nuzzo, M., Hornibrook, E.R.C., Hensen, C., Parkes, R.J., Cragg, B.A., Rinna, J., von Deimling, J.S., Sommer, S., Magalhã, es, V.H., Reitz, A., Brückmann, W., Pinheiro, L.M., 2008. Shallow Microbial Recycling of Deep-Sourced Carbon in Gulf of Cadiz Mud Volcanoes. Geomicrobiology Journal25, 283-295.

Nuzzo, M., Hornibrook, E.R.C., Gill, F., Hensen, C., Pancost, R.D., Haeckel, M., Reitz, A., Scholz, F., Magalhaes, V.H., Bruckmann, W., Pinheiro, L.M., 2009. Origin of light volatile hydrocarbon gases in mud volcano fluids, Gulf of Cadiz -- Evidence for multiple sources and transport mechanisms in active sedimentary wedges. Chemical Geology266, 359-372.

Nuzzo, M., Elvert, M., Schmidt, M., Scholz, F., Reitz, A., Hinrichs, K.-U., Hensen, C., 2012. Impact of hot fluid advection on hydrocarbon gas production and seepage in mud volcano sediments of thick Cenozoic deltas. Earth and Planetary Science Letters341–344, 139-157.

Reeburgh, W.S., 2007. Oceanic Methane Biogeochemistry. Chemical Reviews107, 486-513.

Stadnitskaia, A., Blinova, V., Ivanov, M.K., Baas, M., Hopmans, E.C., van Weering, T.C.E., Sinninghe-Damste, J.S., 2007. Lipid biomarkers in sediments of mud volcanoes from the Sorokin Trough, NE Black Sea: Probable source strata for the erupted material. Organic Geochemistry38, 67-83.

Geochemical surveys of sub-marine hydrocarbon seeps in petroleum exploration

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