EDF is seeking for Independent Engineering (IE) advisory services to assist DOE performing due diligence, construction, and operations monitoring for upstream oil and gas (exploration/production) and ... EDF is seeking for Independent Engineering (IE) advisory services to assist DOE performing due diligence, construction, and operations monitoring for upstream oil and gas (exploration/production) and downstream oil and gas (refining, processing, and distribution including pipelines) projects. **Market Research Only**.