Method of completing an uncased section of a borehole

Details Method of completing an uncased section of a borehole Method of completing an uncased section of a borehole

E - Fixed Constructions

21

B

E21B 43/10 (2006.01) E21B 43/08 (2006.01)

Patent

CA 2137565

Method of completing an uncased section (10) of a borehole (1) in an underground formation (2) comprising the steps of (a) placing at a predetermined position in the borehole (1) a slotted liner (11) provided with overlapping longitudinal slots (12); (b) fixing the upper end of the slotted liner (11); and (c) moving upwardly through the slotted liner (11) an upwardly tapering expansion mandrel (15) having a largest diameter which is larger than the inner diameter of the slotted liner (11).

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