TY - BOOK AU - Seydou Sinde AU - Abdelsattar Abdelhamid Dahab , AU - Khaled Abdelfattah , TI - Casing while drilling and its implementation in the western desert fields of Egypt / PY - 2009/// CY - Cairo : PB - Seydou Sinde , KW - Casing while drilling KW - Egypt KW - Western desert fields N1 - Thesis (M.Sc.) - Cairo University - Faculty of Engineering - Department of Metallurgical Engineering; Issued also as CD N2 - Casing while drilling (CWD) technique allows the operator to simultaneously drill and case a wellbre section in only one run without the necessity to pull the drill string out of the hole . this innovative technique comes into play in time when oil and gas well drilling faces a lot of challenges. Most of these challenges are formation- related problems such as excessive lost circulation formation fluid inflx formation instability etc ER -