Abstract: A perforating gun that is usable with a well includes at least one perforating charge and a initiator. The initiator includes an explosive ballistic train to the perforating charge(s). The initiator is adapted to physically misalign components of the ballistic train to prevent inadvertent firing of the perforating charge(s) and physically realign the components to arm the ballistic train.

Abstract: A technique is provided for control of subsea well systems. The technique utilizes a subsea controller coupled to a plurality of subsea well system components to allow localized control of the subsea well system. The subsea controller can be used in a variety of functional applications, such as balancing power distribution to subsea components.

Abstract: A perforating charge for use in a wellbore includes an explosive and a liner to be collapsed by detonation of the explosive. The liner includes at least a first liner portion and a second liner portion which have different cohesiveness.

Abstract: A perforating charge for use in a wellbore includes an explosive and a liner to be collapsed by detonation of the explosive. The liner includes at least a first liner portion and a second liner portion which have different cohesiveness.

Abstract: A radial-linear shaped charge pipe cutter is constructed with the booster explosive packed intimately into a booster aperture that is bored axially through the charge upper end plate. The cutter explosive is initiated at the interface between the upper margin of the cutter explosive and the contiguous inside surface of the upper end plate. This interface is within a critical initiation distance from the half charge juncture plane. In one embodiment, a half charge liner is configured as the assembly of two, coaxial, frusto-cones with the smaller cone diverging from the half charge juncture plane at a smaller angle than the outer cone. In another embodiment, the liner thickness increases from the juncture plane out to the liner perimeter.

Abstract: A tool for use in a wellbore has an activation assembly, which has a support structure and a reactive layer on the support structure. The reactive layer is formed of a pyrotechnic material. The activation assembly also includes an electrically conductive protective layer covering the reactive layer to protect the reactive layer from electrical discharge. The tool further includes a component to be activated by the activation assembly.

Abstract: A perforating gun has a gun carrier extending in a longitudinal direction and a loading tube located within the gun carrier. The loading tube extends in the longitudinal direction and a shape charge is supported by the loading tube. The shape charge has a casing, an explosive, and a liner, the casing opening in a first direction and having a centerline extending in the first direction, the first direction being essentially perpendicular to the longitudinal direction. A liquid implant is located adjacent to the shape charge in the first direction and intersecting the centerline.

Abstract: Pressure-balanced accumulator apparatus for use in subsea operations is disclosed which comprises a housing and an accumulator within the housing at the first end of the housing. The accumulator has first and second chambers that are hermetically sealed from one another, with a pressurized gas in the first chamber and a pressurized fluid in the second chamber. A third chamber in the housing abuts the accumulator and contains silicon oil fluid. A movable piston is located within the housing proximate the second end of the housing. Ambient pressure is communicated to one end of the piston, and ambient pressure plus the pressure in the second chamber is communicated to the second end of the piston. The cross-sectional areas of the two ends of the piston are selected to optimize the pressure at which the piston begins to expel fluid from the second chamber.

Abstract: A method and device for a liquid media parameters determination, wherein an extended heater oriented along the fluid flow is installed in the fluid flow. Fluid flow temperature is measured. The heater is heated up and the temperatures at the interfaces “heater front surface?flow zone” and “heater rear surface?flow zone” are measured; for the both interfaces, measured values are used for calculating temperature difference between the said heater and the flow, while the water-to-oil relationship is determined through calculations by using either mathematical or graphic relationships. The device for determining the parameters of fluid flow comprising a heater, characterized in that the heater has an extended shape and is oriented along the fluid flow direction, with two thermal sensors located at the opposite ends of the heater, which are capable of transmitting measured data remotely.

Abstract: A submersible electric motor in a submersible pump system is provided that facilitates connecting auxiliary tools with the motor and disconnecting auxiliary tools from the motor without draining the fluid from the motor. The motor includes electrical terminals for connecting the auxiliary tool with the motor and may include a hydraulic connector that maintains the fluid in the motor when connecting or disconnecting the auxiliary tool and provides fluid communication of the fluid between the motor and a terminal area when the auxiliary tool is connected.

Abstract: A non-electric drive mechanism connectable to a submersible pump for pumping a fluid from a wellbore to the surface, the drive mechanism including a shaft rotatably disposed within a housing, the shaft operationally connectable to the submersible pump, at least one fan connected to the shaft and a supply manifold positioned to pass a pressurized fluid across the at least one fan in a manner to rotate the fan and the shaft.