WO/2017/010889 RISER TENSIONING SYSTEM||WO||19.01.2017|
||PCT/NO2016/050144||MHWIRTH AS||NILSEN, Nicolai|
A riser tensioning system for providing tensioning to a riser connected to a floating installation via a tension ring, the system comprising at least one riser tensioner assembly, each riser tensioner assembly comprising: a riser tensioning cylinder; at least one sheave; a wireline; whereby the wireline extends between the tension ring and the cylinder piston via the at least one sheave. The invention also relates to a floating installation comprising a riser tensioning system.
WO/2017/010890 A WINCH SYSTEM||WO||19.01.2017|
||PCT/NO2016/050146||MHWIRTH AS||STENSLAND, Eivind Gimming|
A winch system driving an output comprising an electrical and hydraulic motor operable to transfer energy via a common gearing system. The winch system further comprising an energy storage means to optimize energy consumption and regeneration.
WO/2017/010892 SYSTEM FOR DESALINATION OF SEAWATER AND METHOD FOR PROVIDING WATER OF A PREDETERMINED SALINITY, AND MAINTAINING SAID SALINITY IN AN OPEN WATER RESERVOIR||WO||19.01.2017|
||PCT/NO2016/050156||SEABOX AS||DIRDAL, Eirik|
A system (1) for desalination of seawater is described, the system comprising: - an Intake (2) for feed water, such as seawater, - an outlet (3) for permeate; - an outlet (4) for concentrate; - a desalination element (5) for separating said feed water into permeate and concentrate, said desalination element (5) requiring an applied pressure in order to drive said separation, and said desalination element (5) being provided below the level of said intake (2), such that at least a portion of said required applied pressure is provided from the hydrostatic pressure resulting from the height difference between said intake (2) and said desalination element (5), wherein the desalination element (5) is arranged in a dry housing (6) having at least one dry access (7). A method for providing water of a predetermined, reduced salinity for a water reservoir (6), and a method for maintenance of salinity level in an open water reservoir are also described.
WO/2017/010891 SUBSEA PUMP AND SYSTEM AND METHODS FOR CONTROL||WO||19.01.2017|
||PCT/NO2016/050152||AKER SUBSEA AS||SLATER, Robin|
The invention provides a subsea or downhole pump comprising an inlet and an outlet, a multiphase fluid flow entering the inlet can have a variation in the GVF- gas volume fraction-of the fluid, distinctive in that the pump includes or is operatively coupled to devices for normal pump control as the GVF varies, said devices consisting of: a transmitter for electric pump current and a transmitter for at least one of: pump speed, pump frequency or pump voltage,and a controller acting to reduce the pump speed when the measured pump current decreases and to increase the pump speed when the measured pump current increases. A subsea pump system and methods for control of the pump and system, respectively, are also provided with the invention.
WO/2017/010893 TRANSPORTING FLUID FROM A WELL, IN PARTICULAR TO A PRODUCTION HEADER||WO||19.01.2017|
||PCT/NO2016/050160||JB SERVICES AS||HAUGSTAD BAKKEN, Jan Narve|
There is described a method and related apparatus for transporting fluid from a well (3) and supplying the fluid into a production header (12). The fluid may be transported through a path (19) between the well and the production header. At least one pump (20) may be provided at a location along the path to drive the fluid along the path. The pump may be operated to apply a vacuum or partial vacuum in the path to allow the fluid to travel along the path from the well to supply the fluid to the production header, e.g. for starting up a well.
WO/2017/007329 EQUIPMENT FOR CONTINUOUS OR SEMI-CONTINUOUS CASTING OF METAL WITH IMPROVED METAL FILLING ARRANGEMENT||WO||12.01.2017|
||PCT/NO2016/000017||NORSK HYDRO ASA||Røen, Geir Atle|
An apparatus (1) for continuous or semi-continuous low pressure casting of metal, in particular directly-cooled (DC) casting of extended objects such as a rods, bars or billets (25) of aluminium. The apparatus includes a frame construction with at least one chill or mould (3) having a mould cavity that is provided with an upwardly open inlet (4) and an outlet with cooling means. The inlet of the mould is connected to a distribution chamber (5) receiving liquid metal from a metal store such as a holding furnace via a metal supply channel or launder (6). A flexible launder section (28) is provided between the launder (6) and the metal distribution chamber (5) whereby the frame construction with the moulds (3) and distribution chamber can be raised and lowered to enable complete filling of metal to the moulds. Subsequently it is possible to control the metal level in each respective mould cavity in relation to the metal level in the launder and thereby controlling the low pressure casting.
WO/2017/007330 MECHANICAL TREATMENT SYSTEM FOR SLOP WATER AND METHOD FOR USE OF SAME||WO||12.01.2017|
||PCT/NO2016/050137||SOILTECH AS||BERGSVIK, Oluf|
A treatment system (1) for slop water is described, the treatment system (1) comprising : - a decanter (2) including at least an inlet (21) for the slop water which is to be purified and an outlet (22) for a water phase, - a separator (4) connected to the decanter (2) downstream thereof; and - an analyser (3) including an analyser unit (31) placed upstream of the inlet (21) of the decanter (2) of the treatment system (1) for determining the solids and oil content of the slop water. What is characteristic of the treatment system (1) is that the analyser (3) of the treatment system (1) further includes a second analyser unit (32) downstream of the decanter (2) for analysing the water phase coming out therefrom; and that said analysis of said water phase determines: - whether the water phase will be returned for re-purification in the decanter (2); or - whether the water phase will be passed on to the separator (4), and in that case the settings thereof. A method for purifying slop water by the use of said treatment system ( 1) is described as well.
WO/2017/007331 METHOD OF REMOVING EQUIPMENT FROM A SECTION OF A WELLBORE AND RELATED APPARATUS||WO||12.01.2017|
||PCT/NO2016/050138||QINTERRA TECHNOLOGIES AS||BOGE, Erik|
There is described a method of removing equipment from a section of a wellbore, and related apparatus. In embodiments of the invention, a tool string (10) is provided comprising a tractor (15) and a GS-pulling tool (14). The tool string (10) is run into the wellbore using the tractor (15), at least one section of the tractor being positioned ahead of the GS-pulling tool (14) within the tool string (10), and the GS-pulling tool (14) is used to couple the equipment (120) to the tool string (10), for allowing the equipment (120) to be removed.
WO/2017/007332 ANNULUS ISOLATION VALVE ASSEMBLY||WO||12.01.2017|
||PCT/NO2016/050141||AKER SOLUTIONS AS||LUNDHEIM, Lars Timberlid|
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).
WO/2017/007333 CONDITION MONITORING METHOD||WO||12.01.2017|
||PCT/NO2016/050142||MHWIRTH AS||WAAG, Tor Inge|
The present invention relates to a method for monitoring the condition of a mechanical system having a first oil lubricated component, the mechanical system being subject to repeated, intermittent load cycles, comprising the steps of: (a) identifying the start of a load cycle; (b) measuring a load of the first oil lubricated component; (c) measuring a temperature of a lubricating oil for the first oil lubricated component; (d) determining a first system performance parameter for the load cycle, selected from a group of (i) a friction coefficient for the first oil lubricated component, (ii) a temperature increase coefficient for the lubricating oil for the first oil lubricated component, (iii) a temperature rise rate coefficient for the lubricating oil for the first oil lubricated component; (e) repeating steps (a) to (d) for a plurality of load cycles; (f) comparing a plurality of determined first system performance parameter values to identify a change in said first system performance parameter over the plurality of load cycles.