DRILLED ANCHOR PILE

Anchoring system (1) comprising: an anchor pile (2) configured to be embedded in a borehole (30) drilled in the seabed, the anchor pile comprising an elongate main body (3) having a longitudinal axis (L) and comprising an upper end (4) and a lower end (5); wherein the cross section of the elongate main body increases along a portion of the longitudinal axis in the direction from the upper end to the lower end defining at least one bearing surface (7a, 7b) such that in use an annular gap (32) for receiving locking media is defined between the at least one bearing surface and the adjacent portions of the borehole, and in which the anchor pile is locked in position within the borehole on receipt of locking media within the annular gap and abutment of the loose material with the bearing surface. A method of installing a seabed anchor pile is also claimed.