Abstract: A fish ladder includes a channel with first and second sidewalls spaced apart at a channel width distance. Each of a first plurality of side-baffles is attached to the first sidewall and each of a second plurality of side-baffles is attached to the second sidewall. Each side-baffle extends a predetermined distance into the channel. A first slot opening width distance from a tip of each one of the first plurality of side-baffles across the channel and perpendicular to the second sidewall substantially equals a second slot opening width distance from a tip of each one of the second plurality of side-baffles across the channel and perpendicular to the first sidewall. A side-baffle spacing distance from a tip of each one of the first plurality of side-baffles and perpendicular to a corresponding one of the second plurality of side-baffles located upstream substantially equals the first and second slot opening width distances.

Abstract: A pile driving rig lower cushion made of material having elasticity modulus of 500-3500 Mpa. The lower cushion comprises two end surfaces and at least one side surface. The first end surface is to be placed against the drive cap of the pile driving rig. The second end surface is to be placed against the end of a pile. The lower cushion has at least one flexible section at the side surface that is more flexible than remaining sections of the side surface in at least one direction. The dimensions of the lower cushion are such that the lower cushion fits snugly into the drive cap housing only when the flexible area is compressed. The lower cushion remains in its place within the drive cap housing due to compressive force caused by the at least one flexible section and friction forces resulting therefrom.

Abstract: A method of positioning an end of a pipeline on a subsea structure includes the steps of: (a) providing a channel on the subsea structure, the channel having an open end adjacent to a receptacle on the subsea structure, (b) providing a pipeline, (c) attaching a connector to an end of the pipeline, (d) laying the end of the pipeline with the connector attached into the channel, and (e) pulling the pipeline end along the channel such that the connector exits the open end of the channel and is received by the receptacle. A channel is used in the method and a subsea structure is used wherein the channel is provided on the upper surface of the subsea structure.

Abstract: Embodiments provide a quay wall attachment and a method for promoting biodiversity in a marine environment. The quay wall attachment includes a quad plate and a module. The quad plate is secured to a portion of a quay wall located underwater. The module includes a coral module, a fish module, a plant module, and combinations of the same. The coral module includes living corals and is secured to the quad plate. The fish module includes a hollow space and is secured to the quad plate. The plant module includes living marine plants and a hollow space, and is secured to the quad plate.

Abstract: Techniques for implementing a pipe deployment system that includes a pull head, which is to be secured to a pipe segment that includes tubing. The pull head includes a pull plate with a guide tab and a pull plate fastener opening. The pull plate is to be secured to the tubing of the pipe segment at least in part by securing a threaded fastener in the pull plate fastener opening and a pipe segment fastener opening that is aligned with the pull plate fastener opening while the guide tab is oriented outwardly and directly abuts the tubing of the pipe segment. The pull head includes an end assembly, which includes an end cap to be secured to the pull plate and a pull ring to be secured to one or more cables to enable the pull head to be pulled into an external bore, through the external bore, or both.

Abstract: A frame for cradling a rolled surface covering during installation onto a ground surface, including first and second spaced-apart end panels, a surface covering support base extending between the first and second spaced-apart panels and adapted for holding the rolled surface covering during installation. At least one lower roller extends along the support base between the first and second spaced-apart end panels at a level above the support base, and at least one upper roller extends along the support base between the first and second spaced-apart end panels at a level above the support base and is vertically spaced-apart from the at least one lower roller. The space defines a gap extending along a length of the at least one lower roller and the at least one upper roller through which a free end of the rolled surface covering is extended during installation onto the ground surface.

Abstract: A system and method for conducting subterranean operations. In an embodiment, the system can include a monitoring system configured to monitor at least one criterion of a plurality of operational systems selected from the group of choke valves, mud pumps, drawworks, backpressure pumps, top drive, mud gas separator, flow line, blowout preventer, inside blowout preventer, or any combination thereof, and a logic device configured to generate a capacity value for each operational system of the plurality of the operational systems based on the at least one criterion, and further configured to change a state of one or more of plurality of the operational systems to control a downhole pressure.

Abstract: A seamless tubular liner for repairing an underground or surface pipe is disclosed, including circumferential wefts consisting of slivers comprising a plurality of staple fibers bundled together, the slivers adapted to elongate through disentanglement of the bundled staple fibers when the seamless tubular liner is subjected to an inflation pressure such that the diameter of the tubular liner is able to expand to accommodate variations of diameter of the pipe being repaired.

Abstract: Methods and systems for using a cooling apparatus comprising an elastocaloric material to reduce the temperature of downhole packages in a subterranean formation are provided herein. In one or more embodiments, the methods of the present disclosure comprise: disposing a downhole package in a wellbore penetrating a portion of a subterranean formation; and disposing a cooling apparatus comprising an elastocaloric material and at least one actuator downhole in the wellbore, wherein the cooling apparatus is adjacent to the downhole package. In one or more embodiments, the systems of the present disclosure comprise: a downhole package having a temperature; and a cooling apparatus coupled to the downhole package, wherein the cooling apparatus comprises an elastocaloric material coupled to at least one actuator, wherein the cooling apparatus is configured to reduce the temperature of the downhole package.

Abstract: Articles of manufacture, systems, and methods relating to a liquid containment panel are provided, where the liquid containment panel includes a body comprising a thermoplastic olefin. The body has a substantially horizontal portion and a substantially vertical portion and is configured to be freestanding with the substantially vertical portion in an upright position. One or more coupling features can be located along one or more edges of the body, where such coupling features can couple the liquid containment panel to another liquid containment panel to form a barrier or containment system.

Abstract: A flap gate includes a door body and a flap ancillary part. When the door body is in its down position, a movable end portion of the door body is located forward of a supported end portion. The door body changes its position between the down position and a maximum up position. The flap ancillary part applies tilt-up moment to the door body only when the door body is located in a position between the down position and a first position. The flap ancillary part also applies tilt-down moment to the door body only when the door body is located in a position between the maximum up position and a second position.

Abstract: In an exemplary embodiment, a system for making tied block mat with a border includes a mold having an array of mold cavities; and a hopper that receives a hardenable paste and is spaced from the mold to receive a sheet of mesh material therebetween, the hopper having an opening for depositing the hardenable paste into selected mold cavities, the hopper forming a filling zone with the mold wherein the hardenable paste flows through the opening into the selected mold cavities, and a blocked zone where the hardenable paste is prevented from entering other selected mold cavities of the mold; whereby the tied block mat is formed wherein the hardenable paste in the selected mold cavities becomes embedded in the sheet of mesh material in the filling zone, and a border is formed in the blocked zone where the hardenable paste is blocked from entering the other selected mold cavities.

Abstract: An anti-collapse grouting consolidation system including: a grouting pump; an outer flat drill rod; a drill rig that clamps the outer flat drill rod; a sealing device, sheathed on the outer flat drill rod at the orifice of a drill hole, ensuring the outer flat drill rod is sealed with the orifice of the drill hole; and a jet grouting drill bit with bi-directional rib wings. The grouting pump jets slurry into the drill hole in a static osmotic manner through the jet grouting drill bit. A method of using an anti-collapse grouting consolidation system includes, among other things, injecting quick-setting slurry; sealing an orifice hole of the drill hole by an orifice sealing device; and keeping an anti-collapse jet grouting drill bit with bi-directional rib wings repeatedly moving up and down and rotating at a repair segment to repair the repair segment.

Abstract: An offshore ocean floating platform equipped with a docking bay with a hull made with multiple steel barrels welded to each other arranged in multiple layers, an upper deck with living premises, laboratory and control tower, having three submersible plankton pumping towers extending from above water level up to 120? depth, a manned and aerated research submersible vehicle with vertical travel controlled by a telescopic double acting actuator, including two telescopic aeration tubes providing atmospheric pressure air from above sea level, and safety return springs, sealed glass windows, water depth gage and video cameras. The upper deck having plankton pools plankton pumped from ocean floor by a piston traveling within a cylinder by double acting telescopic actuator for fishery feedings. All towers bottom-end secured to seabed dirt with multiple heavy cement poles with embedded cylinder and piston moving under ocean water high pressure into seabed dirt with self-drilling plungers.

Abstract: A pocket structure for receiving containerized plants is sloped and hung from a wire of a wire basket. The pocket structure includes hooks, an irrigation fitting and corresponding drip channel to transmit water toward the rear of the pocket, and slots in the walls. The mesh units include braces and are sized for shipping. An earth wall is formed of the mesh units and pockets, and includes irrigation tubing.

Abstract: A system is disclosed for remediation of contaminated earth from hazardous substances, comprising mobile equipment that are generally available. The mobile equipment are physically separate and temporarily organised at a location in the proximity of a contaminated site when the need arises and are dispersed or disposed of following remediation of the contaminated site. The generally available mobile equipment may include earth moving excavators, truck mixers equipped with tumblers used for mixing and delivering cement-concrete to the construction site, and centrifuges.

Abstract: A trenchless collector system is configured to intercept and direct surface and/or subsurface fluids to a designated reception location to control groundwater elevations. A target collection and drainage area is identified and a gravity drainage pipe is accessed or trenchlessly installed at the target collection and drainage area. The gravity drainage pipe can be accessed at one or more drawdown points. One end of a collection pipe can be connected to the gravity drainage pipe. Surface and subsurface water is hydrostatically drawn into the collection pipe from the target collection and drainage area through venting at the one end of the collection pipe connected to the gravity drainage pipe. The surface and subsurface water can be passively drained from the collection pipe into the gravity drainage pipe and onto the designated reception location.

Abstract: A shoreline protection dike includes a plurality of juxtaposed protection devices each including a front face which is curved so as to deflect the water from each wave upwards and back in the direction of ebbing. The front face includes a concave curved shape formed by lines parallel to one another and extending between lower and upper edges of the front face, each line resting on a curved line which extends in a plane perpendicular to the lower and upper edges, the curved line including a first sector which forms a first arc and at least a second sector which forms a second arc.

Abstract: Embodiments of a floating bunk system of this disclosure include a hull pad assembly extending in a longitudinal direction and including two hull pads spaced apart from one another and, at each end of the hull pad assembly, a sliding guide assembly including a pair of guide poles, each guide pole of the pair extending in a vertical direction; an upper end channel extending in a lateral direction and connected to the hull pad assembly and to the pair of guide poles; a lower end channel extending in the lateral direction and including a pair of lower bushings; each lower bushing receiving a respective guide pole; the upper end channel being in a fixed position relative to the pair of guide poles; the lower end channel being slidably vertically displaceable along the guide poles toward and away from the upper end channel.

Abstract: A system for forming a piling structure includes a hollow casing, a control assembly positioned proximately to the hollow casing, and a pivoting support device connected to the control assembly. A pivoting electrode is connected to the pivoting support device and configured to extend into the hollow casing. A second electrode is connected to the control assembly and extends into the hollow casing within the range of motion of the pivoting electrode. An electric power source is connected to the pivoting electrode and the second electrode, wherein charge on the electrodes produces a current arc between the pivoting electrode and the second electrode. A lift mechanism is positioned proximately to the hollow casing to control the electrodes position within the hollow casing.