Apparatus and method for under-water jacking of piles

Details Apparatus and method for under-water jacking of piles Apparatus and method for under-water jacking of piles

E - Fixed Constructions

02

B

61/12.1

E02B 17/08 (2006.01) E02B 17/02 (2006.01) E02D 7/00 (2006.01) E02D 7/20 (2006.01)

Patent

CA 1137766

TITLE OF THE INVENTION APPARATUS AND METHOD FOR UNDER-WATER JACKING OF PILES ABSTRACT OF THE DISCLOSURE Piles that anchor off-shore oil and gas well towers are driven into the ground by successive extensions of a hydrau- lic jacking cylinder. The cylinder is positioned under water, just above the pile, and secured to an adjacent column to prevent it from moving upwardly. Preferably, the column is formed by a casing releasably latched to a selected pile-receiv- ing guide at the bottom of the tower, the pile extending upwardly into the casing. - 1 -

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