SEC Filings Document Details Form PRE 14A Filing Date 03/17/23 Document Date 03/17/23 Form Description A preliminary proxy statement providing notification matters to be brought to a vote Filing Group Proxy Filings Company Diamond Offshore Drilling Inc. Issuer DIAMOND OFFSHORE DRILLING, INC. Filing Formats View HTML Download PDF Download DOC Download XLS XBRL XBRL Viewer EX-101.SCH - XBRL TAXONOMY EXTENSION SCHEMA EX-101.DEF - XBRL TAXONOMY EXTENSION DEFINITION LINKBASE EX-101.LAB - XBRL TAXONOMY EXTENSION LABEL LINKBASE EX-101.PRE - XBRL TAXONOMY EXTENSION PRESENTATION LINKBASE XML - XBRL INSTANCE DOCUMENT