During periods when a well is in a reservoir zone with gas components, gas molecules will start to diffuse from the formation into the drilling fluid in the wellbore. The amount of gas that can diffuse into the drilling fluid … Read the rest

The parameters required to assess the desanders were very clear. A set of questionnaires were sent to various vendors and service providers having desander service for separation of sand with following details:… Read the rest

Hydrocyclones have been used as a mode of sand separation within oil industry for many decades. The type generally used in oil and gas industry is the solid-liquid hydrocyclone and will be termed as “desander” throughout this manuscript.… Read the rest

Light weight solid additives (LWSA’s) for drilling-fluid-density reduction were tested in the laboratory and in a test yard in drillingrig-compatible equipment. The primary objective of the project since that time has been to test underbalanceddrilling products in actual field operations.… Read the rest