DecisionSpace WITSML software is used to transfer data between two database servers using WITSML standards. The servers can be of different types or same types The Wellsite Information Transfer Standard Markup Language (WITSML) consists of XML data-object definitions and a Web services specification developed to promote the right-time, seamless flow of well data between operators and service companies to speed and enhance decision making Responsibilities. XML is generated for each request and response.