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| Number | Title | Issue Date |
| 6354373 | Expandable tubing for a well bore hole and method of expanding An expandable tubing (12) for a well bore hole (14) in which selected length portions (24, 26, 28) are weakened by a slot configuration (FIGS. 2, 3, 4) to obtain predetermined expansion characteristics. The slot configurations are tailored or selected for... | 03/12/2002 |
| 6309141 | Gap spar with ducking risers A spar platform is disclosed having a deck supported by a buoyant tank assembly having a first buoyant section connected to the deck and defining a central moonpool and a second buoyant section disposed beneath and axially vertically aligned with the firs... | 10/30/2001 |
| 6220786 | Underwater burial apparatus Apparatus for locally disturbing an underwater bed to enable the burial of an elongate member (39) comprises a mounting (30,31), resilient means (88-93) such as brush filaments coupled to the mounting, and means (9) for moving the resilient means with res... | 04/24/2001 |
| 6196764 | Automatic wicket for a hydraulic structure An automatic flashboard (10) comprises a wall (12) installed on a hydraulic structure (11) so as to be capable of passing from an erect position in which it retains a mass of water to a lowered position in which it allows the water to pass substantially w... | 03/06/2001 |
| 6196766 | Apparatus for movement along an underground passage and method using same An apparatus adapted for movement through a passage formed in the ground includes an elongate element and means for positioning a shroud around at least part of the elongate element for engagement against the periphery of the passage to provide a space th... | 03/06/2001 |
| 6186939 | Method for stabilizing heavy metal in a material or waste Heavy metal bearing materials during production, processing and/or handling, and/or in landfills, storage or retention areas are stabilized prior to the generation of management as a waste by applying heavy metal stabilizing agents into the product stream... | 02/13/2001 |
| 6183166 | Method of centrifugally forming a subterranean soil-cement casing A method is provided for centrifugally forming a subterranean, cylindrically shaped soil-cement casing in material located in a subterranean earth situs. A soil processing tool is advanced and rotated into the subterranean situs and as the tool advances a... | 02/06/2001 |
| 6183168 | Composite masonry block The present invention includes block molds and manufacturing processes as well as a composite masonry block comprising a block body having an irregular trapezoidal shape and comprising a front surface and a back surface, an upper surface and a lower surfa... | 02/06/2001 |
| 6174108 | In-well air stripping and gas adsorption A system for removing contaminants from the phreatic zone, also known as the saturation zone, or groundwater. The technique preferably involves gas sparging while slowing down the sparging process by placing packing balls into the eductor tube. A preferre... | 01/16/2001 |
| 6164872 | Method of production of large tank, system using such large tank and submerged tunneling method using the tank The present invention relates to a method of manufacturing a tank which is too large to be built on the ground. In the method, a floating station (1012) is built on the sea, surrounding a first spherical shell section (1002a) which constitutes one end of ... | 12/26/2000 |
| 6164870 | Portable dike having air inflatable reinforcement An inflatable dike formed from sections includes an upper and lower partition. The lower partition includes a water inlet and is water-fillable via the water inlet to add weight to the dike. The upper partition attaches to partially surround to the lower ... | 12/26/2000 |
| 6164874 | Sheeting device A sheeting device includes a column with two supporting surfaces in one guide channel. The second supporting surface is provided with an offset relative to the first supporting surface. The offset is both toward the middle of the column in the lengthwise ... | 12/26/2000 |
| 6158925 | Apparatus for installing pipeline fill An apparatus for depositing fill material over a pipeline. A wide-track carriage is provided for straddling the pipeline trench, and this includes a shaker screen mechanism for screening aggregate fill material, such as excavated native spoils. The screen... | 12/12/2000 |
| 6155749 | Sports field soil conditioner Porous calcined clay sports field conditioners exhibit excellent playability while also displaying excellent drainage, freedom from compaction, and moisture retention under hot, dry conditions. The conditioners are non-hydrating granulates of narrow parti... | 12/05/2000 |
| 6155748 | Deep water riser flotation apparatus A dual phase riser flotation system contains a number of passive phase buoyancy modules of syntactic foam contained within an outer skin, and a number of active phase buoyancy modules which are similar to air canisters in that they may be inflated or defl... | 12/05/2000 |
| 6152650 | Wastewater and effluent distribution system A liquid distribution system for distributing effluent from a source of waste water. This liquid distribution system is contained within a distribution box and includes liquid inlet piping and a series of liquid flow splitting elements arranged in paralle... | 11/28/2000 |
| 6149344 | Acid gas disposal Acid gas is liquified by compression and cooling, mixed with water under pressure and flowed into a disposal well.... | 11/21/2000 |
| 6148921 | Oil extracting installation incorporating manifold support mounting plates, and plate The invention features an offshore oil installation (1) comprising two mounting plates (6, 8) resting on the ocean bed, each mounting plate (6, 8) supporting a manifold (10; 10') connected at two ends with two respective terminal joining pieces of flexibl... | 11/21/2000 |
| 6145594 | Gate valve for subsea completion system A caisson gate valve (10) fitting within an outer casing (12) extending downwardly from a subsea wellhead below the sea floor is disclosed. The gate valve (10) includes a valve body or block (14) having an axial bore or flow passage (16) therethrough and ... | 11/14/2000 |
| 6145597 | Method and apparatus for retaining a cable in a conduit A technique is provided for retaining a cable assembly in a length of conduit, such as coiled tubing. The retaining assembly is secured to an end of the coiled tubing and to tensile members of the cable assembly. A retainer element may be secured directly... | 11/14/2000 |
| 6146052 | Dynamic control cable for use between a floating structure and a connection point on the seabed A dynamic control cable string or umbilical intended to hang in catenary form between a connection point on the seabed and a connection point located at the sea surface which can be attached to a floating structure; the umbilical is of the type that is lo... | 11/14/2000 |
| 6146055 | Mine roof bolt anchor An anchor for a mine roof bolt incorporates a single large rib at the top of a segmented shell. This single large rib is forced into the wall of the bore hole by the downward movement of an associated threaded camming nut during the first few revolutions ... | 11/14/2000 |
| 6142703 | Encapsulated turf maintenance system An underground fluid exchange system for control of delivery of fertilization, irrigation and pesticides to and removal from a selected fully encapsulated the turf area of a playing field, including golf course green, having a selected soil profile includ... | 11/07/2000 |
| 6142713 | Composite masonry block The present invention is a family of concrete segmental retaining wall blocks, together with the related manufacturing process and molds, and retaining walls constructed of such blocks. The segmental retaining wall blocks are used to form retaining walls ... | 11/07/2000 |
| 6142709 | Foundation system for tension leg platforms A foundation system for tension leg platforms without use of foundation templates, wherein each tendon (5) is directly connected to a socket (9) inside the pile (8), said piles (8) being positioned for driving purpose by means of a pile-driving template (... | 11/07/2000 |
| 6142707 | Direct electric pipeline heating A system for direct electric heating of a subsea pipeline is disclosed in the form of a pipe-in-pipe flowline having an electrically conductive outer carrier pipe and an electrically conductive inner pipe or flowline arranged longitudinally, substantially... | 11/07/2000 |
| 6142236 | Method for drilling and completing a subsea well using small diameter riser A subsea wellhead assembly located at the sea floor that includes a subsea wellhead and a stationary blowout preventer mounted to the subsea wellhead for controlling a well during drilling. A drill pipe defines an annulus within the stationary blowout pre... | 11/07/2000 |
| 6142706 | Thermal treatment wall A thermal treatment wall emplaced to perform in-situ destruction of contaminants in groundwater. Thermal destruction of specific contaminants occurs by hydrous pyrolysis/oxidation at temperatures achievable by existing thermal remediation techniques (elec... | 11/07/2000 |
| 6139223 | Trench filler A trench filler having a generally synclinal front section having a solid top and generally downwardly extending sidewalls, a rear section of unitary construction with the front section, the rear section having a solid top and generally downwardly extendi... | 10/31/2000 |
| 6139224 | Semi-submersible platform for offshore oil field operation and method of installing a platform of this kind The platform comprises a buoyant sub-structure comprising a base and a plurality of columns upstanding from said base, a buoyant deck-hull mounted on the columns and means for ballasting and deballasting at least the base of said sub-structure. It further... | 10/31/2000 |
| 6138762 | Wellhead connector with additional load shoulders A subsea wellhead connector has an upper body that abuts the rim of a wellhead member. A hydraulic wellhead connector is carried by the upper body and extends over the wellhead member. The hydraulic wellhead connector carries dogs for moving into an engag... | 10/31/2000 |
| 6132144 | Passive anchor latch A passive anchor latching mechanism which allows its user to attach a moog line to an anchor without using a secondary mechanism such as a remotely operated vehicle to attach the cable or anchor wire to the anchor. The passive anchor latching mechanism c... | 10/17/2000 |
| 6132136 | Drainage water pumping station and method for operating the same A drainage water pumping system. A number of drainage pumps are positioned at two different levels. Drainage water flowing into a drainage water pumping system from an underground inflow main pipeline is pumped to a discharge destination. Preferably the d... | 10/17/2000 |
| 6132141 | Pipeline buoyancy control assembly and tie-down attachment member therefor A pipeline buoyancy control assembly includes a pair of anchor rods, a pair of tie-down attachment members, a pair of termination members, and a flexible endless strap having an endless loop configuration. The anchor rods are driven partially into the gro... | 10/17/2000 |
| 6132143 | Method for lifting a sea platform from the substructure A method for lifting a sea platform with its substructure attached from a seabed and moving that platform to a different location. Use is made of flotation bodies which are filled with water and attached to the substructure. The flotation bodies can be em... | 10/17/2000 |
| 6132137 | Drainable fields and associated methods An elongate grate capable of securing an edge portion of an artificial turf surface within a drainage channel is provided. The grate includes an elongate central portion defining a plurality of openings to permit runoff from the artificial turf surface to... | 10/17/2000 |
| 6129151 | Apparatus for use in the completion of subsea wells Apparatus for use in the completion and workover of a subsea well adapted for coil tubing intervention comprises a surface tree having an upper end on which a coil tubing injection unit may be mounted, a tension joint adapted to be connected to the upper ... | 10/10/2000 |
| 6126362 | Pressure secured liquid damming protective bank device and method A protective bank damming device useful for damming and controlling the flow of a liquid, the liquid most commonly being water. The damming device barrier member is inflated with water to provide a form to the barrier member, and anchoring weight to keep ... | 10/03/2000 |
| 6125951 | Hole drilling apparatus for tree farms A hole drilling apparatus facilitates the task of drilling holes in the ground at predetermined locations for the planting of replacement Christmas tree seedlings. The hole drilling apparatus includes a bifurcated frame having a base frame portion and a w... | 10/03/2000 |
| 6123485 | Pre-stressed FRP-concrete composite structural members Fiber reinforced plastic FRP formed about concrete piles and columns. The FRP components generally includes an exterior shell and an interior protruding portions. The concrete filled FRP tubes are enhanced by prestressing the concrete core, thereby increa... | 09/26/2000 |
