Deep-water drilling is a huge challenge in the world. Petro-King accumulated rich experience in deep-water drilling management and operation by practice for many years. Petro-King has performed some investigation & researches in deep-water technology and program design, including formation pore pressure and temperature prediction below deep-water, casing program, borehole trajectory control, completion tools, subsea wellhead, borehole abandonment, wireline logging, mud logging and well test in deep-water well, analysis on domestic and overseas deep-water drilling cases，economic evaluation on deep-water exploration well project, etc. Meanwhile Petro-King provided deep-water drilling & completion design for many clients.