Method of preventing damage to a pump

    公开(公告)号:US11859628B2

    公开(公告)日:2024-01-02

    申请号:US18030504

    申请日:2021-10-08

    申请人: AKER SOLUTIONS AS

    IPC分类号: F04D27/02 F04D27/00

    CPC分类号: F04D27/0223 F04D27/001

    摘要: A method for preventing damage to a multiphase pump includes measuring a differential pressure of a fluid across the pump and an axial position of a rotor of the pump over a time period, calculating a pressure fluctuation by measuring a difference between a maximum and a minimum value of the measured differential pressure over the time period, calculating a dynamic axial position by measuring a difference between a maximum and a minimum value of the measured axial position of the rotor over the time period, comparing the calculated pressure fluctuation with an expected pressure fluctuation value, comparing the calculated dynamic axial position with an expected dynamic axial position value, and selecting an operating condition of the pump based on the comparison of the calculated pressure fluctuation with the expected pressure fluctuation value and of the calculated dynamic axial position with the expected dynamic axial position value.

    POWER UMBILICAL AND METHOD
    53.
    发明申请

    公开(公告)号:US20220375650A1

    公开(公告)日:2022-11-24

    申请号:US17740906

    申请日:2022-05-10

    申请人: Aker Solutions AS

    摘要: Power umbilical (1) comprising a plurality of power cables (7) for electric power transmission, elongated filler elements (5), and an outer sheath (3). The elongated filler elements (5) abut against each other at abutment faces (5a), thereby forming a complete ring enclosing the power cables (7). The elongated filler elements (5) comprise cable recesses (5b) within which the power cables (7) are embedded. The power umbilical (1) further comprises one or more friction control profiles (13, 15, 116), wherein the material of the friction control profile (13, 15, 116) is softer than the material of the elongated filler elements (5). The one or more friction control profiles (13, 15) are arranged in a deformed state.

    CHRISTMAS TREE AND ASSEMBLY FOR CONTROLLING FLOW FROM A COMPLETED WELL

    公开(公告)号:US20220290521A1

    公开(公告)日:2022-09-15

    申请号:US17635010

    申请日:2020-08-14

    申请人: AKER SOLUTIONS AS

    摘要: A Christmas tree includes a main body, an bulkhead connector, a wet-mate connector, a cable, and a sensor. The main body has a first and a second main body end, and a further passage, and encloses a main passage. The further passage includes a first further passage end at a main body exterior and a second further passage end at the main passage, and extends from the first to the second further passage end. The bulkhead connector is secured to the main body exterior to close the first further passage end, and has a first and a second electrical connection. The wet-mate connector is mounted in the second further passage end to close the second further passage end. The cable transmits an electrical signal and connects the first electrical connection to the wet-mate connector. The sensor is arranged in the further passage and electrically connects to the second electrical connection.

    Subsea barrier fluid system
    56.
    发明授权

    公开(公告)号:US11053944B2

    公开(公告)日:2021-07-06

    申请号:US15752771

    申请日:2016-10-14

    申请人: Aker Solutions AS

    摘要: The invention provides an autonomous subsea barrier fluid system for a subsea pressure booster, the subsea pressure booster comprising a process fluid compartment, a motor compartment and a rotor assembly extending from the motor compartment into the process fluid compartment with one or several shaft seals separating the process fluid from the barrier fluid in the motor compartment. The subsea barrier fluid system is distinguished in that it comprises: a subsea barrier fluid pump, a barrier fluid delivery line, arranged between the barrier fluid pump and the motor compartment, a pressure controlled regulator, operatively arranged to at least one of the barrier fluid delivery line and the subsea barrier fluid pump, a subsea barrier fluid storage, and a barrier fluid suction line arranged from the subsea barrier fluid storage to the subsea barrier fluid pump.

    SUBSEA METHANE HYDRATE PRODUCTION
    57.
    发明申请

    公开(公告)号:US20180298702A1

    公开(公告)日:2018-10-18

    申请号:US15767331

    申请日:2016-08-23

    申请人: Aker Solutions AS

    摘要: An offshore methane hydrate production assembly (1), having a tubing (41) extending into a subsea well (5) that extends down to a methane hydrate formation (7) below the seabed (3). A submersible pump (45) is arranged in the tubing (41). A methane conduit (35,35) extends down from a surface installation (49). A well control package (15) landed on a wellhead (13) is positioned at the upper end of the subsea well (5). Moreover, an emergency disconnection package (25) is arranged between the methane conduit (35,135) and the well control package (15). The tubing (41) is suspended from the well control package (15). Other aspects of the invention are also disclosed.

    ANNULUS ISOLATION VALVE ASSEMBLY
    58.
    发明申请

    公开(公告)号:US20180187513A1

    公开(公告)日:2018-07-05

    申请号:US15738199

    申请日:2016-06-27

    申请人: Aker Solutions AS

    IPC分类号: E21B34/04 E21B33/043

    摘要: An annulus isolation valve assembly (1) being part of a tubing hanger assembly (100), with a valve bore (5) having a fluid mouth (9), and a sliding sleeve (11) which is arranged in the valve bore (5) and which has an axially extending sleeve bore (13). The sliding sleeve (11) has a radially facing sleeve port (17). A hydraulic piston (21) is functionally connected to the sliding sleeve (11). The sliding sleeve (11) comprises an axially facing fluid port (47) which is in fluid communication with the radially facing sleeve port (17).