Contractors (IADC) as "an adaptive drilling process used to more precisely control the annular pressure profile throughout the wellbore". The objectives of MPD are "to ascertain the downhole pressure environment limits and to manage the annular hydraulic pressure profile accordingly".

History

Earliest record

The earliest record of well drilling dates from 347 AD in China. Petroleum was used in ancient China for "lighting, as a lubricant for cart axles and the bearings of water-powered

1.Previous
3.Next