Assertion: mud | /r/Causes | skin effect
Facets:
Source sentences:
text: Most common damage; Mud or drill solids invade the formation matrix, reducing porosity and causing skin effect Swelling of formation clays within the reservoir, reduced permeability Precipitation of solids due to mixing of mud filtrate and formations fluids resulting in the precipitation of insoluble salts Mud filtrate and formation fluids form an emulsion, reducing reservoir porosity