Patents Assigned to Cameron Sense AS
  • Heave compensation winches
    Patent number: 10081988
    Abstract: Various hoisting systems with heave compensation are provided. In one embodiment, an apparatus includes a winch having a rotatable drum and a heave compensation system with both active and passive drive input devices. The heave compensation system can be coupled to the rotatable drum so that the active and passive drive input devices can each be used to drive rotation of the rotatable drum in response to heaving motion of the winch. Additional systems, devices, and methods are also disclosed.
    Type: Grant
    Filed: June 13, 2014
    Date of Patent: September 25, 2018
    Assignee: CAMERON SENSE AS
    Inventors: Håkon F. Bergan, Bård H. Kaasin, Joe R. Berry, Alv Repstad
  • Hoisting systems with heave compensation
    Patent number: 9567814
    Abstract: Various hoisting systems with heave compensation are provided. In one embodiment, an apparatus includes a hoisting system having a crown block and a drawworks. The drawworks includes a rotatable drum for reeling in and reeling out a hoisting line that is wound on the rotatable drum and reeved over the crown block. The hoisting system includes active heave control at the drawworks and a passive heave compensation system. Additional systems, devices, and methods are also disclosed.
    Type: Grant
    Filed: June 13, 2014
    Date of Patent: February 14, 2017
    Assignee: Cameron Sense AS
    Inventors: Erling Tambs, Harald Langenes, Håkon F. Bergan, Bård H. Kaasin