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公开(公告)号：US11028549B2
公开(公告)日：2021-06-08
申请号：US15771688
申请日：2016-10-06
IPC分类号： E02B17/02 , E21B33/035 , E21B33/043 , E21B33/14 , E21B41/08 , E21B19/00
摘要： Without limitation, embodiments of the present invention relates to an offshore wellhead platform (100), the offshore wellhead platform (100) comprising a configurable support structure (200) for supporting upper parts of a plurality of conductors (210) through which one or more well processing tasks can be performed, wherein the configurable support structure (200) further provides a first position (150) and a second position (160) for the conductors (210), and the offshore wellhead platform (100) allows movement of an upper part of a conductor (210) between its first (150) and second position (160). In this way, efficiency when processing a plurality of wells is provided since repositioning of the well center is not needed or needed significantly less. Effectively, the wells are brought to the well center so-to-speak instead of the well center needing to be moved to each well.
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公开(公告)号：US10989008B2
公开(公告)日：2021-04-27
申请号：US16463779
申请日：2017-11-13
发明人： Martin Kaster
IPC分类号： E21B33/037 , E21B29/00 , E21B33/12 , E21B33/03
摘要： A cap for a hydrocarbon production well, the cap having a body with a top and a bottom. The bottom having a first connecting flange with a first seal face. The first connecting flange configured to connect to an end flange of a wellhead component and the top having a second connecting flange with a second seal face.
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公开(公告)号：US10907316B2
公开(公告)日：2021-02-02
申请号：US15771684
申请日：2016-10-31
摘要： An offshore platform for use in combination with an offshore rig comprises an upper deck defining an upper deck aperture which is alignable with a rig aperture of the offshore rig, when said offshore rig extends over the upper deck, to permit objects to extend between the offshore rig and through the upper deck. The offshore platform further includes a sheath arrangement aligned with the upper deck aperture and extending upwardly relative to the upper deck to be alignable with the rig aperture, wherein the sheath arrangement defines a confinement zone for confining objects which pass downwardly from the offshore rig through the rig aperture.
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公开(公告)号：US10344905B2
公开(公告)日：2019-07-09
申请号：US14917475
申请日：2014-07-17
发明人： Kristian Mogensen , Trine Ljungstrøm , Jan Larsen
IPC分类号： F16L58/00 , B08B17/00 , B08B9/027 , C02F3/34 , B08B9/055 , A01N59/00 , C09K8/54 , C02F1/32 , C02F1/50 , C02F103/36
摘要： Use fresh water or water with sufficiently reduced salinity to trigger burst of bacterial cell wall due to osmotic pressure gradient. Combine the freshwater with conventional biocide treatment and pigging to increase the likelihood of killing the bacteria responsible for reservoir souring.
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公开(公告)号：US11359464B2
公开(公告)日：2022-06-14
申请号：US16466218
申请日：2017-11-01
摘要： A method of creating a horizontal wellbore section comprises drilling the section in at least two stages. The method comprises drilling a first horizontal bore section. The first horizontal bore section is then provided with a first liner having a wall including initially-closed flow ports. The first liner isolates the wall of the first bore section. A second horizontal bore section is then drilled beyond the first horizontal bore section. The second horizontal bore section is provided with a second liner. Stimulation fluid is then directed into the first and second liners so that the stimulation fluid passes through the wall of the second liner to stimulate the second horizontal bore section. The flow ports in the wall of the first liner are then opened so that the stimulation fluid passes through the wall of the first liner to stimulate the first horizontal bore section.
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公开(公告)号：US20190309889A1
公开(公告)日：2019-10-10
申请号：US16448986
申请日：2019-06-21
申请人： TOTAL E&P DANMARKA/S
发明人： Kristianø MOGENSEN , Trine LJUNGSTROM , Jan LARSEN
摘要： Use fresh water or water with sufficiently reduced salinity to trigger burst of bacterial cell wall due to osmotic pressure gradient. Combine the freshwater with conventional biocide treatment and pigging to increase the likelihood of killing the bacteria responsible for reservoir souring.
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公开(公告)号：US10364661B2
公开(公告)日：2019-07-30
申请号：US14422963
申请日：2013-08-22
摘要： A system for separating liquid and gas flowing through a multiphase pipeline, said system comprising: A riser (8) having an upper end (2) and a lower end (10), said riser being at its lower end configured to receive fluid from said multiphase pipeline (4) and having means for delivering (5) of gas at its upper end, said riser further comprising valve means (6) for adjusting the flow at which the gas is delivered through the upper end of said riser; a pipe (7) to be arranged outside or inside the riser, said pipe having an upper part (3) and a lower part (9), where the lower part is connected to or inserted into the riser, thereby creating a liquid flow path between the riser and the lower part of the pipe, said pipe having a liquid intake (11) configured to receive liquid from a liquid column in said riser, and said upper end of said pipe being configured to deliver said liquid, said pipe further comprising means for adjusting the flow at which said liquid is delivered through the upper end of said pipe; level measuring means adapted for measuring the position of a surface (18) of said liquid column in said riser; control means capable of controlling said valve means, such that the position of the surface of said liquid column can be adjusted by adjusting the flow at which gas/liquid is delivered via said liquid flow path and through the upper end of said riser and/or said lower part (9) of said pipe (7).
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公开(公告)号：US10353112B2
公开(公告)日：2019-07-16
申请号：US15327220
申请日：2015-06-04
发明人： Jens Henrik Hansen
摘要： Disclosed is a system and a method of estimating a well inflow profile along a section of a wellbore of a well passing through a formation. The method comprises: collecting field data as a function of time during testing of the well, analyzing the collected field data to obtain selected field parameters, providing a created dynamic simulation model of the well inflow profile of the well based on at least the geometry of the well, defining a number of different possible inflow profile scenarios, simulating the defined inflow profile scenarios by means of the dynamic simulation model, analyzing the simulated inflow profile scenarios to obtain characteristics of intermittent or slug flow behavior in the form of selected modelling parameters as a function of time, comparing the selected modelling parameters as a function of time for each inflow profile scenario to the corresponding selected field parameters as a function of time and identifying the most likely inflow profile scenario on the basis thereof, and estimating the well inflow profile along the section of the wellbore based on the comparison of the selected modelling parameters as a function of time to the corresponding selected field parameters as a function of time.
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