Casing wear is an increasingly typical problem that leads to a decrease in collapse resistance in deep wells, ultradeep wells, horizontal wells, and extended reach wells. Casing wear is an ...

Several Russian oil field case histories have demonstrated that expandable-profile tubulars or pipes have proven to be an effective way to control formation caving and sloughing problems in ...

1 Department of Civil, Environmental, and Architectural Engineering, University of Colorado, Boulder 2 Department of Civil, Environmental, and Architectural Engineering, University of Colorado, ...

Once a well has been drilled, if it is to become a production well, the well must undergo completion. While drilling a well cuts through the rock formations and allows drilling engineers to reach the ...

Conductor casing Conductor casing is the first string set below the structural casing (i.e., drive pipe or marine conductor run to protect loose near-surface formations and to enable circulation of ...

New oil and gas development techniques like horizontal drilling and high-volume hydraulic fracturing have dominated public concern in recent years about groundwater contamination in oil and gas basins ...