| Patent application number | Description | Published |
|---|
| 20080202109 | Hydraulic Actuation Assembly - An assembly for the hydraulic actuation of safety equipment includes a hydraulic actuator disposed between a fluid feed line and a supply line in fluid communication with the safety equipment. A pump valve in the supply line downstream of the hydraulic actuator is adjustable between open and closed positions for providing hydraulic fluid to supply line. A fluid source communicates with a bypass line in fluid communication with the supply line. A bypass valve is disposed between the fluid source and the supply line and is lockable between open and closed positions for providing other hydraulic fluid to supply line. | 08-28-2008 |
| 20090021076 | DC CONVERTER - A DC converter is connected to a DC source on its input side. On the output side, the DC delivers a converted DC voltage to at least one electric consumer via a cable connection. To improve such a DC converter in that it has a comparatively simple structural design and is able to reliably convert high DC voltages even in the case of high power, and in such a way that the reliability of the converter is increased and cooling systems entailing high costs can be dispensed with, the DC converter comprises a plurality of DC converter components, each of said DC components being, on the input side, serially connected to the DC source and, on the output side connected in parallel to the cable connection so as to provide the converted DC voltage for the electric consumer. | 01-22-2009 |
| 20090039876 | Apparatus Detecting Relative Body Movement - The invention relates to a measuring device for detecting a body moving in relation to an, in particular, tubular container. Said device comprises at least one magnet unit which generates a magnetic field, measures this magnetic field and which is assigned to the container and/or to the magnetic body. The device also comprises at least one evaluation device connected to the magnet units and provided for receiving measurement signals of the magnet units. The aim of the invention is to improve a measuring device of this type in order to be able to easily determine, in addition to the position of the body in relation to the container in a longitudinal direction, the position of the body in relation to the container in the transverse direction with a relatively high level of accuracy. To this end, the magnet units comprise a maximum magnetic flux that is essentially perpendicular to the direction of the relative motion of the body and container. | 02-12-2009 |
| 20090296428 | CONTROL AND SUPPLY SYSTEM - In accordance with at least some embodiments, a maritime well system includes a sea-surface control unit. The maritime well system also includes a sea-bed control unit coupled to the sea-surface control unit by a sub-sea cable configured to carry a direct current (DC) voltage output from the sea-surface control unit at least 30 kilometers to the sea-bed control unit. The maritime well system also includes a sub-sea tree coupled to the sea-bed control unit via a connecting line configured to carry a converted voltage output from the sea-bed control unit to the sub-sea tree. In accordance with at least some embodiments, the cross-sectional area of the sub-sea cable is designed to carry a predetermined amount of power to the sea-bed control unit as DC power and is at least 10 times smaller than a cross-sectional area needed for carrying the predetermined amount of power to the sea-bed control unit as alternating current (AC) power. | 12-03-2009 |
| 20100019573 | ELECTRIC CONTROL AND SUPPLY SYSTEM - In at least some embodiments, an electrically controlled subsea production system includes a subsea electrical distributor that receives a high direct current (DC) voltage. The electrical distributor converts the high DC voltage to a lower DC voltage. The electrically controlled subsea production system also includes a plurality of subsea trees coupled to the subsea electrical distributor, wherein valves of the subsea trees selectively operate based on the lower DC voltage. | 01-28-2010 |
| 20100019930 | Electric Control and Supply System - In at least some embodiments, an electrically controlled subsea production system includes a subsea electrical distributor that receives a high direct current (DC) voltage. The electrical distributor converts the high DC voltage to a lower DC voltage. The electrically controlled subsea production system also includes a plurality of subsea trees coupled to the subsea electrical distributor, wherein valves of the subsea trees selectively operate based on the lower DC voltage. | 01-28-2010 |
| 20100025604 | Slide Valve Control Device and a Drive Device for Use With It - A valve control device, in particular for control pods or similar equipment used in the mining and/or production of mineral oil/natural gas, comprises a valve housing in which hole or boring sections are arranged, and a valve slide movable relative to the hole sections, with at least a first and a second flow hole for the alternative connection of a feed line from a fluid pressure hose with at least one actuator or of the actuator to return line for leading the fluid away, wherein in each case one of the connections is made and the other is interrupted. To improve such a valve control device in that with only slight and economical constructional modifications with retention of all the advantages of known valve control devices, a substantial reduction in the leakage flow is facilitated or even almost completely suppressed, at least first and second valve elements which in the closed position can be pressed onto a valve seat formed especially at a hole section are laterally assigned to the flow holes, wherein in the connection position of the first flow hole the second valve element is in the closed position and in the connecting position of the second flow hole the first valve element is in the closed position each pressed onto the respective assigned valve seat in its closed position. | 02-04-2010 |
| 20100052436 | POWER SUPPLY DEVICE - A power supply device ( | 03-04-2010 |
| 20100127566 | Power Supply System - A power supply system, particularly to be used in maritime oil/natural gas production includes at least one data transfer/voltage conversion unit arranged above sea level and one electrical means such as a choke, gate valve, production tree, power control/communication unit and the like arranged below sea level, which are electrically connected via a cable connection at least for power supply. | 05-27-2010 |
| 20100127646 | Actuating Device and Method of Operating an Actuating Device - An actuating device for displacing a control device, such as a gate valve or other control mechanism, in particular for use in oil or gas production systems, includes a motor-gear unit and a threaded spindle drive, which is operable by said motor-gear unit. The threaded spindle drive includes at least a threaded spindle and a screw nut. The threaded spindle is displaceable in an essentially axial-direction so as to displace the control device between an advance position and a retracted position. The threaded spindle drive further includes a position holding means holding the attained position of the threaded spindle. The position holding means is directly connected to a motor shaft of the motor-gear unit so as to apply a holding torque to said motor shaft. | 05-27-2010 |
| 20100200240 | Multicoupler - A multicoupler, particularly for gas or oil production, comprises at least one male and one female part. Said parts comprise a plurality of fluid coupling members which can be assigned to one another and which are in engagement with one another when male part and female part are in the coupling position. One of the parts comprises a connecting means including a spindle, which connecting means in the coupling position is in engagement with a mating connecting means on the other part. | 08-12-2010 |
| 20100244561 | DC Voltage Converting Device - A DC voltage converting device is on the output side connected to a DC voltage source and, on the output side, supplies a converted DC voltage to at least one electrical consumer via a cable connection. To improve such a DC voltage converting device in that also with high DC voltages on the input side, a conversion into another DC voltage is possible without any special constructional efforts and high costs while complicated cooling means or the like, are avoided at the same time, the DC voltage converting device comprises a plurality of DC voltage converting units of which each is serially connected to the DC voltage source on the input side and connected in parallel with the cable connection on the output side for supplying the converted DC voltage. | 09-30-2010 |
| 20100289668 | Power and Signal Distribution System - A power and signal distribution system comprises a converter unit connected to a plurality of control units. The converter unit and the control units are arranged in areas difficult to access, for instance on the sea bed. The converter unit is connected to a remote monitoring and supplying device via at least one cable connection. Each control unit has assigned thereto at least one production apparatus for crude oil or natural gas corresponding gate valves, chokes, biops, actuators. | 11-18-2010 |
| 20110019385 | Arrangement System - An arrangement system composed of a plurality of electrical/electronic components particularly of a voltage converter device of a power supply system for use in oil/natural gas production composed of at least one support member that is provided on at least one side with a surrounded accommodating recess, a circuit carrier which is arranged in the accommodating recess and electrically connected to the components, and a holding member fixing the circuit carrier and/or the components in the accommodating recess. An insulating material is arranged at least in part between the circuit carrier and/or components and the support member. Such an arrangement system permits an adequate electrical insulation of the corresponding components and optionally also of the circuit carrier in relation to the support member together with an adequately high heat conduction. At the same time an arrangement system for components is provided that is mechanically stable and permits a good electrical insulation of the components with heat transfer to the outside with respect to the arrangement system. | 01-27-2011 |
| 20110057647 | Apparatus Detecting Relative Body Movement - The invention relates to a measuring device for detecting a body moving in relation to an, in particular, tubular container. Said device comprises at least one magnet unit which generates a magnetic field, measures this magnetic field and which is assigned to the container and/or to the magnetic body. The device also comprises at least one evaluation device connected to the magnet units and provided for receiving measurement signals of the magnet units. The aim of the invention is to improve a measuring device of this type in order to be able to easily determine, in addition to the position of the body in relation to the container in a longitudinal direction, the position of the body in relation to the container in the transverse direction with a relatively high level of accuracy. To this end, the magnet units comprise a maximum magnetic flux that is essentially perpendicular to the direction of the relative motion of the body and container. | 03-10-2011 |
