Design of “Anti Surge” Methodology to Mitigate Severe Lost Circulation While Running Non Conventional Casing / Liner Sizes to Isolate Salt and Clay Domes in Deep Wells in Mexico South
Abstract:A typical well scheme for a deep well usually has five casing sections that can include a liner string. However the number of casing strings is given by the number of intermediate sections required to isolate unstable formations prior to reach the pay zone.
The industry has defined the casing sizes following a standard well design of five casing string (Table 2) that can include liners depending on the well requirements. The clearance between casing string is based on a standard drift which is r… Show more
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