<?xml version="1.0" encoding="utf-8"?><mads xmlns="http://www.loc.gov/mads/" xmlns:mods="http://www.loc.gov/mods/v3" xmlns:xlink="http://www.w3.org/1999/xlink" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://www.loc.gov/mads/
mads.xsd"><authority><topic authority="http://AATesaurus.cultura.gencat.cat/aat/getty_en">offshore drilling platforms</topic></authority><related type="broader"><topic>drilling structures</topic></related><variant type="other"><topic>drilling patform, offshore</topic></variant><variant type="other"><topic>drilling platforms, offshore</topic></variant><variant type="other"><topic>offshore drilling platform</topic></variant><variant type="other"><topic>petroleum production platforms</topic></variant><variant type="other"><topic>platform, offshore drilling</topic></variant><variant type="other"><topic>platform, petroleum production</topic></variant><variant type="other"><topic>platforms, offshore drilling</topic></variant><variant type="other"><topic>platforms, petroleum production</topic></variant><variant type="other"><topic>production platform, petroleum</topic></variant><variant type="other"><topic>production platforms, petroleum</topic></variant> <note xml:lang="en"><![CDATA[ Platforms used to support machinery for drilling oil or gas wells in water-covered locations, usually on submergered continental shelves. ]]></note></mads>