Patent application number | Description | Published |
20110213573 | FLOW METER - A flow meter for monitoring fluid flow through a pipeline, the flow meter comprising a conduit having a fluid inlet and a fluid outlet for communication with respective sections of the pipeline; a target element positioned inside the conduit between the fluid inlet and the fluid outlet, the target element being mounted for resilient axial displacement under a pressure differential between the inlet and the outlet; an arm secured at an anchor point on one side of the conduit and extending radially across the conduit, the target element being coupled to the arm for applying a load to the arm, upon said axial displacement of the target element, so as to deflect the arm relative to the anchor point; a sensor arrangement for measuring deflection of the arm at a point on the opposite side of the applied load to the anchor point; and a processor configured for providing a signal representative of the steam flow through the conduit in response to said measured deflection. | 09-01-2011 |
20130068035 | METHOD AND APPARATUS FOR DETERMINING THE PHASE COMPOSITIONS OF A MULTIPHASE FLUID FLOW - Systems and methods are provided that relate to determining the phase compositions of a multiphase fluid flow in a fluid line, including determining a flow velocity parameter which is related to the flow velocity of the fluid flow in the fluid line using a flow sensor and obtaining a vibration signal from the fluid flow using a vibration sensor comprising a target disposed in the fluid flow which vibrates in response to fluid flow in the fluid line. The signal may be analysed to determine an energy parameter which is related to the energy of the vibration signal within a frequency band, and a phase composition parameter, such as a dryness parameter, relating to the phase compositions of the fluid flow is determined using the flow velocity parameter and the energy parameter. An apparatus for determining the phase compositions of a multiphase fluid flow in a fluid line is disclosed. | 03-21-2013 |
20130228020 | FLOW METER - Disclosed aspects relate to a flow meter comprising a flow target arranged to be disposed in a fluid flow path in a conduit; a beam coupled to the flow target and arranged to extend outside of the conduit; a sensor having a moveable sensor part coupled to the beam at a position which in use is outside of the conduit, and a static sensor part, wherein displacement of the moveable sensor part with respect to the static sensor part generates a signal. In use, fluid flow acting on the flow target causes displacement of the moveable sensor part, thereby generating a signal which is representative of the fluid flow rate. | 09-05-2013 |
20140069168 | DETERMINING THE PHASE COMPOSITIONS OF A MULTIPHASE FLUID FLOW - There is disclosed a method of determining the phase compositions of a multiphase fluid flow in a fluid line, including obtaining a vibration signal from the fluid flow using a vibration sensor comprising a target disposed in the fluid flow which vibrates in response to fluid flow in the fluid line. The vibration signal is analysed to determine a first energy parameter which is related to the energy of the vibration signal within a first frequency band, and a second energy parameter which is related to the energy of the vibration signal within a second frequency band; and a phase composition parameter, such as a dryness parameter, relating to the phase compositions of the fluid flow is determined using the first and second energy parameters. There is also disclosed an apparatus for determining the phase compositions of a multiphase fluid flow in a fluid line. | 03-13-2014 |
Patent application number | Description | Published |
20150021030 | TEMPERATURE COMPENSATED ELEMENT - A time actuated element includes a mandrel, a housing coupled to the mandrel, the housing defining a fluid expansion chamber. A piston is positioned within the fluid expansion chamber. A thermally expanding fluid is positioned within the fluid expansion chamber. An end ring coupled to the piston slides along the mandrel in response to a sliding of the piston. A packer having a first end and a second end, the first end adapted to slide along the mandrel in response to a sliding of the end ring, and the second end fixedly coupled to the mandrel, so that a sliding of the first end of the packer toward the second end causes the packer element to decrease in length and increase in radius. | 01-22-2015 |
20150021044 | GROOVED SWELLABLE PACKER - A swellable packer which includes a generally tubular mandrel having a central axis and an exterior cylindrical surface. The swellable packer further includes a swellable elastomeric body fixed to the exterior cylindrical surface of the mandrel, wherein the swellable elastomeric body includes a plurality of grooves and wherein the generally tubular elastomeric sleeve has a circumference and a thickness. | 01-22-2015 |
20150021049 | SWELLABLE CASING ANCHOR - A method for anchoring a casing string within a wellbore is disclosed. The method includes providing a casing string, where the casing string being generally tubular, and coupling a swellable elastomeric material on at least a portion of the exterior of the casing string. In addition, the method includes positioning the casing string within a wellbore, exposing the swellable elastomeric material to a swelling fluid, and sealing the swellable elastomeric material to the wellbore. | 01-22-2015 |
20150204158 | TEMPERATURE COMPENSATED ELEMENT - A temperature actuated element includes a mandrel, a housing coupled to the mandrel, the housing defining a fluid expansion chamber. A piston is positioned within the fluid expansion chamber. A thermally expanding fluid is positioned within the fluid expansion chamber. An end ring coupled to the piston slides along the mandrel in response to a sliding of the piston. A degradable ring is coupled to the mandrel to prevent movement of the end ring before the degradable ring is dissolved. A packer having a first end and a second end, the first end adapted to slide along the mandrel in response to a sliding of the end ring, and the second end fixedly coupled to the mandrel, so that a sliding of the first end of the packer toward the second end causes the packer element to decrease in length and increase in radius. | 07-23-2015 |
20150285034 | RFID CONTROL DART - A control dart having an internal power supply includes an RFID reader adapted to read one or more RFID tags positioned within a tool string. In response to reading an RFID tag having a selected identification code, the control dart may extend one or more locking dogs. When extended, the locking dogs allow the control dart to actuate a downhole tool. | 10-08-2015 |
Patent application number | Description | Published |
20130075108 | BARRIER VALVE SYSTEM AND METHOD OF CLOSING SAME BY WITHDRAWING UPPER COMPLETION - A completion system, including a barrier valve transitionable between an open position and a closed position. An upper completion is operatively coupled with the barrier valve for mechanically transitioning the barrier valve to the closed position when the upper completion is withdrawn. A method of operating a completion system is also included. | 03-28-2013 |
20130075109 | BARRIER VALVE SYSTEM AND METHOD OF CONTROLLING SAME WITH TUBING PRESSURE - A completion system including a barrier valve operatively arranged in a tubing string to selectively impede fluid flow through a lower completion. At least one control line is included for supplying a control line pressure for controlling operation of the barrier valve. The at least one control line is operatively arranged with the tubing string for enabling tubing pressure in the tubing string to determine the control line pressure. A method of operating a barrier valve is also included. | 03-28-2013 |
20130255946 | METHOD FOR SINGLE TRIP FLUID ISOLATION - A completion system for arrangement in a borehole including a lower completion, an upper completion string, and an intermediate assembly engaged between the lower completion and the upper completion string. The intermediate assembly includes a single barrier valve only. The barrier valve is operatively arranged to be transitionable to an open position when engaged with the upper completion string and transitions to a closed position via the upper completion string when the upper completion string is pulled out of the borehole. A method of completing a borehole is also included. | 10-03-2013 |
20130255947 | INTERMEDIATE COMPLETION ASSEMBLY FOR ISOLATING LOWER COMPLETION - A completion system, including a lower completion installed in a borehole proximate to a downhole formation. An intermediate completion assembly is included directly engaged with the lower completion. The intermediate completion assembly includes a barrier valve and packer device. The barrier valve is operatively arranged to selectively impede fluid flow through the lower completion and the packer device operatively arranged for isolating the formation. An upper completion string is included that is selectably engagable with the intermediate completion assembly. The barrier valve is operatively arranged to be transitionable to an open position when engaged with the upper completion string and transitions to a closed position via the upper completion string when the upper completion string is pulled out of the borehole. A method of completing a borehole is also included. | 10-03-2013 |
20130255958 | RETROFIT BARRIER VALVE SYSTEM - A retrofit assembly for functionally replacing a fluid isolation valve disposed in a borehole above a lower completion, including a barrier valve operatively arranged to selectively isolate the lower completion when the fluid isolation valve is open. The barrier valve is transitionable between an open position and a closed position due to engagement with an upper completion string. A packer device is included and operatively arranged to isolate a formation in which the borehole is formed. A method of retrofitting a completion system is also included. | 10-03-2013 |
20130255961 | METHOD AND SYSTEM FOR RUNNING BARRIER VALVE ON PRODUCTION STRING - A completion system, including a lower completion initially fluidly open. A production string is included having a removable plug configured to impede fluid flow through the production string. The removable plug is run in with the production string. An intermediate completion assembly is included that couples the lower completion to the production string. The intermediate completion assembly has a packer device and a barrier valve. The packer device is operatively arranged to be set by pressurizing fluid in the production string against the removable plug. The barrier valve is operatively arranged for selectively impeding fluid flow between the production string and the lower completion after the removable plug is removed. A method of completing a borehole is also included. | 10-03-2013 |