The methods to determine morphological stability during drilling include determining circulating fluid pressure, adjusting circulating pressure, comparing flow velocity outside and inside drilling fluid, and determining pore pressure and L pressure. Fracture pressure.

摘要

Method for determining the integrity of the formation during drilling of a survey that includes determining a pressure Fluid in an annular logging While Drilling.Adjust the pressure, compare the rate of flow of drilling Fluid in and out of the sample and determine a Pore pressure and Fracture.