发明名称 Liner hanger system
摘要 An improved liner hanger system is disclosed. The improved liner hanger system comprises a liner hanger positioned within a casing. The liner hanger comprises a spiked portion having one or more spikes, wherein the spikes comprise a flat portion. At least one of the one or more spikes is expandable and the flat portion of each of the one or more spikes interfaces with the casing when the spike is in the expanded position. A liner is coupled to the liner hanger.
申请公布号 US9580981(B2) 申请公布日期 2017.02.28
申请号 US201314048119 申请日期 2013.10.08
申请人 Halliburton Energy Services, Inc. 发明人 Zhong Xiaoguang Allan;Moeller Daniel Keith
分类号 E21B43/10;E21B23/01 主分类号 E21B43/10
代理机构 Baker Botts L.L.P. 代理人 Richardson Scott;Baker Botts L.L.P.
主权项 1. A system for performing subterranean operations comprising: a liner hanger positioned within a casing, wherein the liner hanger comprises a spiked portion having one or more metallic spikes, each of the one or more metallic spikes extending in a circular ring along an outer perimeter of the liner hanger;wherein the one or more metallic spikes are tapered to a flat portion,wherein at least one of the one or more metallic spikes is expandable, andwherein the flat portion of each of the one or more metallic spikes deforms the casing when the spike is in the expanded position, wherein each of the one or more metallic spikes provides a metal-to-metal seal between the liner hanger and the casing when the spike is in the expanded position; and a liner coupled to the liner hanger.
地址 Houston TX US