Abstract: There is disclosed a running tool for running and setting and then releasing from a well packer of the type having a main body and a setting sleeve vertically shiftable on the main body to set the packer. The setting tool includes a mandrel carrying a latch having left-hand threads for engaging left-hand threads on the body of the packer as well as teeth adapted to engage in notches in the upper end of the packer body to prevent right-hand rotation of the setting tool with respect to the packer as the packer is run on the setting tool into the well bore. When the packer is at the desired level, fluid pressure in the setting tool lowers the setting sleeve to set the packer and releases the setting tool from connection to the packer so that it may be retrieved.

Abstract: This invention relates to a large capacitor for accumulating electrical energy. In particular, to a capacitor with a double electric layer comprising an electrolyte; at least one pair of electrolyte impregnated electrodes which are elastically compressible and independently, mechanically stable; and a separator also impregnated with electrolyte for being in between and in contact with both of the at least one pair of electrolytic impregnated electrodes for ionic conductance but electronically separating the electrodes; at least one pair of electrolytes impermeable and electrolyte inert current collectors in contact respectively with the at least one pair of the electrolyte impregnated electrodes; and an insulating gasket for separating the electrolyte impermeable and electrolytic inert collectors.In at least some embodiments of this capacitor, the electrolytic impregnated electrodes are composed of various forms of carbon particles in combination with porous elastic dielectrics and polymer binders.

Abstract: A pipe protector has been designed to provide free flow and low energy. The outside surface has a bilateral asymmetrical pattern when comparing the approximate top half of the pipe protector to the bottom half of the pipe protector. The pattern has raised figures surrounded by communicating channels.

Abstract: A foil journal bearing comprising a housing having an opening to receive the journal of a shaft, and a plurality of foil supports extending longitudinally through the opening. The foil supports having arcuate inner and outer surfaces and are positioned to transversely surround the journal. An endless foil element encircles each foil support in a direction transverse the longitudinal axis of the element to engage and support the journal. Rods are positioned between the outer arcuate surface of each foil support and respective foil element that are movable relative to the foil support for varying the stiffness of each foil element.

Abstract: There are disclosed methods and apparatus for perforating and treating zones of a well, as by hydraulic fracturing, stimulating and acidizing, and otherwise performing related activities within a well, wherein a plurality of perforating assemblies containing shaped charges are connected as part of a casing liner which is lowered into a well bore and then anchored therein by a column of cement in the annulus between the liner and bore to locate the assemblies opposite zones in a horizontal section of the well. Work strings are lowered into selected assemblies to cause tools carried thereby to sequentially detonate the shaped charges to perforate the zone opposite thereto and to selectively open or close the perforated zones by shifting a sleeve within a housing of the assembly as well as treating the perforated zones.

Abstract: A sorting machine for separating substandard items from a continuous stream of products is disclosed wherein the ejector that removes the detected substandard items includes an ejector finger and an actuator. The ejector finger includes a flexible elongate base member fixedly attached with respect to the product stream and a contactor normally withdrawn from the product stream when standard products are in the stream and for entering the product stream to eject a detected substandard item. The actuator flexes the flexible elongate base member to move the ejector contactor so that it enters the product stream for ejecting each detected substandard item. The flexible elongate base member make the ejector more resistant to wear from environmental conditions. A flexible sorting machine ejector mounting mechanism is also disclosed which removes costly mounting mechanisms.

Abstract: A method and apparatus is described for anchoring a well screen on a stainless steel perforated mandrel without the use of welds in which cup-shaped members, each having a base and an annular wall, are positioned on the mandrel at each end of the screen with the walls of the cups extending partly over the screen and filling the annular cavities between the walls of the cups and the ends of the screen with a liquid adhesive epoxy to anchor the cups to the mandrel.

Abstract: A photo-optical detector for use in a multichromatic sorting machine, each detector including at least two separate photodiode materials responsive to a different spectral range and a multipeak optical filter having transmission response characteristics that are respectively defined in a frequency spectrum of the respective spectral ranges of the materials. The sorting machine using such detectors can be selectively programmed using the various resulting signals from the detectors after appropriate amplification and threshold detection to cause resulting ejection mechanism activation.

Abstract: A remotely operated actuator for a drill string internal blowout preventer is disclosed. It includes an annular cylinder for mounting on the preventer housing to rotate with the housing and the kelly. An annular piston in the cylinder moves a link pivotally connected to the piston and a crank arm to open and close the preventer.

Abstract: A self-piloting compressible piling is provided comprising a plurality of pre-formed pile sections having bores therethrough and adapted to be arranged in end-to-end relation such that the bores are concentrically collinear. An auger plate is positioned beneath the lowest of the sections and has an upper face and lower face. The lower face of the plate has a plurality of curved blades extending therefrom. The plate further has a flared bore concentrically collinear with the bores of the piling sections through its center such that the diameter of the hole is greater on the upper face than on the lower face. A tension-bearing cable having a collapsible lock-jaw mechanism secured to one end thereof is provided which is extendable from above the highest of the piling sections through the bores of the sections and the bore of the plate and engageable with the lower face of the plate for loading the sections and the plate in compression.

Abstract: A self-cooled electrodynamic loudspeaker including a magnetic structure comprising a pole piece and a magnet arranged around the pole piece, a coil being capable of moving reciprocatingly between the piece and a magnet under the effect of a magnetic flux created across a magnetic gap formed between the pole piece and the magnet, the pole piece including at least two channels adjacent to the voice coil for the passage of cooling air, each channel continuously extending from an upper face of the piece, partially along a periphery of the piece and into a central cavity of the piece, the cavity being closed at the upper face of the piece and open into a lower face of the piece.

Abstract: A mounting plate is disclosed that is adapted to be positioned between a main flow line and at least two differential pressure transmitters, to place the two differential pressure transmitters in fluid communication with a pair of pipeline taps on opposite sides of a flow reducing orifice plate in the main flow line is disclose. The mounting plate includes a plate-like body generally rectangular in cross section along its longitudinal axis and longer than it is wide along its transverse axis. The plate-like body includes a pair of ports that extend through the body and are in fluid communication with the pair of pressure taps with the longitudinal axis of the body parallel to the main flow line. A plurality of passageways or bores extend into the body to connect the ports to various combinations of pressure transmitters.

Abstract: The cork or pith portion of various nuts is utilized as a seepage loss reducing additive without increasing, and in some cases reducing, the viscosity of the drilling mud used in drilling boreholes.

Abstract: A rack is disclosed for mounting on the rear of a car for carrying a wheelchair. The wheelchair has a seat supporting framework that includes two parallel horizontal frame members close to the ground. The rack includes a pair of chair support members for engaging the two horizontal frame members with the chair on the ground and powered lift members for raising the chair to a traveling position above the ground and for lowering the chair downwardly to the ground for removing the chair from the rack thereby eliminating any need for anyone to lift the chair.

Abstract: A plug for sealing the open end of a tube located in an opening in a tube sheet of a heat exchanger is described along with a method of installing the plug. The plug is comprised of a generally cylindrical metallic body of ductile material that is inserted into the open end of the tube at the tube sheet. The body carries one or more resilient seal rings and has a longitudinally extending blind central opening in the body. A body of pressure transmitting material, such as polyethylene is located in the body and an explosive charge is located in a longitudinally extending central opening in the body of pressure transmitting material. The explosive charge, when detonated, expands the metallic body of the plug and the resilient seal ring into sealing engagement with the tube.

Abstract: A method of measuring the internal taper (Miu) of an internally upset tube is disclosed along with the apparatus for practicing the method. The apparatus includes a first link mechanism that is operated to move a plurality of locating arms outwardly to a position near the inner wall of the tube. The locating arms are moved into the taper until the forward end of each arm is deflected toward the center of the tube far enough to pivot the other end into engagement with the tube and stop further movement of the first link mechanism. A second link mechanism is moved toward the outer end of the taper until it engages the taper adjacent its outer end. The distance between a reference joint on the first mechanism and a reference joint on the second is approximately the length of the taper.

Abstract: A light fixture for directional, illumination is disclosed. A first embodiment contains a gimbal comprised of two opposing retaining collars with arcuately complementary surfaces which mate to the arcuate surface of the lamp/reflector assembly within the fixture housing. The fixture housing is sealed with a rotatable lens ring which radially compresses a sealing element when mounted to the fixture with a lens-frame. The lamp/reflector assembly is sealed by compressing a sealing element between a lens and the assembly body by camming a lens frame onto the body with a plurality of inclined planes acting on buttons from the body. A second embodiment includes a flexure hinge within the assembly body. Some embodiments include a square to round adapter for use where square fixtures are desired.

Abstract: There is disclosed a device for limiting the swinging of a door hingedly connected to a second wall adjacent to the first wall. The device includes a bracket adapted to be mounted on the door hinge for swinging about its axis, as well as first and second arms pivotally connected to the bracket for swinging toward and away from the door and adjacent wall, respectively. A strut extends between the arms to limit swinging the first arm toward the second arm when the second arm is against the second wall, and one end of the strut is movable away from a stop on the second arm to permit the door to be opened and/or the arms to be stored next to one another.

Abstract: A system for inventory reconciliation and leak detection of particular utility in liquid storage tanks such as the terminal facilities that are used for the storage and distribution of gasoline. The system has the ability to monitor the inventory of several different liquid products on hand at such a facility, account for product deliveries and product dispensations (e.g., to tank trucks which deliver the product from the terminal facility to a gasoline service station), and to continually check the volume of each product dispensed against the inventory on hand so as to provide a real-time system for detecting leaks from the tanks containing each product, losses due to evaporation, volume discrepancies from flow meters which are out of calibration, and other irregularities.