Abstract: The present invention provides a spacer (11) and a spacer segment (13). One or more spacer segments (13) form the spacer (11). The one or more spacer segments (13) are adapted to be interconnected and fitted to/on a first surface. The spacer segment (13) comprises a first collar portion (17), a second collar portion (19), and at least one support assembly (15) extending between the first collar portion and the second collar portion. The at least one support assembly is movable from a normal position, wherein no or minimal force is exerted on the support assembly, to a compressed position, wherein the support assembly supports a load or a portion of a load.

Abstract: A centraliser segment (11) comprising a first collar portion(15), a second collar portion (17) and bow element (19) extending between said first collar portion and said second collar portion to maintain the collar portions in spaced relation to each other, said bow portions having an intermediate portion which lies to one side of the plane accommodating the collar portions, a first connector element (21) provided at one end of the collar portions and second connector element (23) provided at the other end of the collar portions, said first connector elements are engagable with said second connector elements of the same or another centraliser segment such that one or more said centraliser segments are connectable together to form a centraliser which in use is capable of being received around a borehole casing, said first and second connector element having an adjustment element which can cause the diameter of the centraliser can be varied by operation of the adjustment element (41) wherein the adjustment is co

Abstract: A centraliser segment (11) comprising a first collar portion(15), a second collar portion (17) and bow element (19) extending between said first collar portion and said second collar portion to maintain the collar portions in spaced relation to each other, said bow portions having an intermediate portion which lies to one side of the plane accommodating the collar portions, a first connector element (21) provided at one end of the collar portions and second connector element (23) provided at the other end of the collar portions, said first connector elements are engagable with said second connector elements of the same or another centraliser segment such that one or more said centraliser segments are connectable together to form a centraliser which in use is capable of being received around a borehole casing, said first and second connector element having an adjustment element which can cause the diameter of the centraliser can be varied by operation of the adjustment element (41) wherein the adjustment is co

Abstract: A borehole casing centralizer segment (1) including a first collar portion (3), a second collar portion (5), and bows (7) extending between the first collar portion (3) and the second collar portion (5). First connectors (9) are provided at first locations of the first collar portion (3) and the second collar portion (5), respectively. The first connections (9) are engageable with the second connectors (11) of the same or another centralizer segment (1). In this way, one or more centralizer segments (1) are connectable together to form a centralizer around a borehole casing.

Abstract: A centralised segment (1) comprising a first collar portion (3), a second collar portion (5), and bows (7) extending between the first collar portion (3) and the second collar portion (5). First connectors (9) are provided at first locations of the first collar portion (3) and the second collar portion (5), respectively. Second connectors (11) are provided at second locations of the first collar portion (3) and the second collar portion (5), respectively. The first connectors (9) are engageable with the second connectors (11) of the same or another centraliser segment (1). In this way, one or more centraliser segments (1) are connectable together to form a centraliser around a borehole casing.