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Match Document Document Title
8998537 Method and portable apparatus for forcing a pipeline into or out of a borehole  
A portable pipe thrusting apparatus for inserting and removing a pipe from a borehole, comprising a collar configured to releasably grip the pipe; and a bi-directional driver coupled between the...
8992123 Apparatus and method for recovering the core of a sheathed electrical cable  
The present invention provides an apparatus and method for recovering the core (108) of a subterranean sheathed electrical cable (106), while minimising the impact on the surrounding environment....
8985907 Mountable earth-embedding anchor with removable underground conduit panels and installation apparatus  
Methods and apparatuses are disclosed for the rapid and precise removable installation of a substrate-penetrating device that facilitates underground delivery of various utilities to and/or from...
8985906 Assembly for connection of a flexible tubular pipe to an undersea installation  
An assembly for connecting a flexible line (20) to an underwater installation (18). The line is extended between the underwater installation (18) and a surface installation (16). The line (20)...
8974147 Slot form for pipeline buoyancy control  
A device for controlling buoyancy of a buried pipeline, the device comprising a form placed atop the pipeline and a flexible strap extending around the form adjacent its top. The form may comprise...
8950501 Riser clamp  
A riser clamp (20) comprising a first jaw portion (211) and a second jaw portion (212) that can be opened and closed relative to each other. The jaw portions (211/212) each comprise a...
8950979 Method for laying a pipeline on the seabed and a pipeline installation device  
The present invention regards a method for laying pipelines on the seabed comprising the steps of attaching an end (2) of the pipeline (1) to a structure (10, 20), lowering the structure with the...
8950977 Abandonment and recovery of pipelines  
An elongate sling section is disclosed. The elongate sling is cooperable with like sling sections to form a sling for use in abandonment or recovery of a pipeline. The sling section includes...
8939702 Sub-sea apparatus and operating method  
Apparatus and method for handling a fluid-tight flange coupling between a first and a second conduit component while maintaining the fluid integrity of the coupling. The apparatus includes a...
8939680 Method and structure for in situ field repair of severed drain tile  
The current disclosure is a structure for repairing drain tile or any other conduit found in the construction of underground utilities, which conduit severed by the digging of a ditch. The first...
8936414 Systems, methods and apparatus for the subterranean support of underground conduits and/or pipes  
A support system supports a pipe or conduit. In one exemplary embodiment, the apparatus, systems and methods include support beams extending across an excavated opening. For example, a pair of...
8936413 Apparatus and method for installing a pipeline structure at sea  
Methods and apparatus for deploying pipeline from a vessel are described in relation to pipelines with installed accessories. One or more accessory support structures are installed at appropriate...
8931977 Pipe stand  
A pipe support has an outer tubular support wall, an inner tubular support wall, spaced inwardly from the outer tubular support wall, and a connecting portion for maintaining the outer tubular...
8919736 Pulling device and method therefor  
A puller is provided with a number of advantages. Pullers are described that have a high power to weight ratio, and a high power to volume ratio. Examples of pullers and pulling systems include...
8894021 Cable support  
A cable support is disclosed. The cable support may comprise a mount, a drive support, a strap, and a drive block. The drive support and the strap may be connected to the mount. The drive block...
8888406 Weighted bag  
A weighted bag includes a filler material contained by a sealed bag configured to be substantially impermeable to fluids. The sealed bag may include a generally tubular bag body made from a...
8864414 Slot form for pipeline buoyancy control  
A device for controlling buoyancy of a buried pipeline, the device comprising a form placed atop the pipeline and a flexible strap extending around the form adjacent its top. The form may comprise...
8851795 Method and apparatus for pre-installing cold water pipes for a floating ocean thermal energy conversion facility  
An apparatus for installing means to supply cold water from depth to a floating vessel comprises a template having a plurality of receptacles for receiving a plurality of vertically-oriented cold...
8790041 Device for applying a push or pull action on tubes to be laid underground for overcoming water courses or obstacle of other type  
Device (1) for applying a push or pull action on tubes (100) to be laid in the ground for overcoming waterways or other types of obstacle, includes two push blocks (2, 2′), disposed parallel to...
8789605 Riser clamp  
A riser clamp (20) comprising a first jaw portion (211) and a second jaw portion (212) that can be opened and closed relative to each other. The jaw portions (211/212) each comprise a...
8790040 Method of forming a protection system and the protection system  
A method of forming a protection system and a protection system for a secondary conduit adapted to be coupled to a main conduit is disclosed. The main conduit and the secondary conduit are for...
8784010 Oilfield road crossing  
A device and a system for an oil field road crossing and a method of installing thereof. A plurality of conduits having a rectangular cross-section with a coupling header on each end are set in...
8777518 Pipe support system and method for use in underground pipe ramming  
A skid for positioning a pipe or a piece of earth boring equipment includes a first frame and a second frame slidably mounted on the first frame. The second frame forms a rectangular trough having...
8764344 Method for laying pipes and a machine for actuating the method  
A method for laying a pipe includes predisposing first and second releasable gripping devices for firmly gripping or releasing the pipe. The gripping devices are located along the longitudinal...
8764345 Method of abandoning an underwater pipeline on the bed of a body of water  
A method of abandoning an underwater pipeline on the bed of a body of water from a laying vessel includes the steps of lowering the free end of the pipeline into the body of water and onto the bed...
8757931 Pipe guide adapter  
A pipe guide adapter for drawing pipes into a channel with the aid of a traction means is provided with ribs which are arranged conically on a base pipe. The ribs ensure guidance of the pipe and,...
8734051 Apparatus for aerating and draining  
An aeration and drainage system includes an aeration & drain pipe which contains slots on its upper surface, a stand which holds said aeration & drain pipe above a bottom surface, an air and...
8721222 Lateral buckling mitigation apparatus, methods and systems for use with subsea conduits  
Disclosed are systems and methods for controlling lateral deformation and reducing axial displacement, also referred to as walking, of a subsea conduit such as a pipeline for conveying produced...
8708602 System and methods for stabilizing subsea pipeline  
Systems and methods are described for controlling axial, lateral and/or vertical movements of subsea pipelines which reduce the need for expensive pipeline anchoring or other mitigation solutions....
8708603 Apparatus for aerating and draining  
An aeration and drainage system includes an aeration & drain pipe which contains slots on its upper surface, a stand which holds said aeration & drain pipe above a bottom surface, an air and...
8657531 Installation method of flexible pipe with subsea connector, utilizing a pull down system  
The disclosure provides an installation method to deploy the flexible pipe below the water, utilizing supporting equipment between a flexible pipe and intended connections. In addition, the method...
8641326 Method of replacing an underground pipe section  
An improved method for replacing existing underground sewer pipe is accomplished without excavation, pipe bursting, or pipe reaming. First, vertical sight holes are drilled into the ground and...
8641323 Method and apparatus for at sea pipe abandonment and recovery  
A method of positioning on the sea floor, from a floating vessel, an unlaid end portion of a pipe that is being laid from its other end on the sea floor is disclosed. The method includes lowering...
8628272 Pipeline connection apparatus and method  
A pipeline alignment termination device comprises a connecting piece (22, 24, 28) connected at its first end to a pipeline (29). The connecting piece is supported on a skid base (12) by an...
8622656 Apparatus, systems and methods for the relocation of subsurface conduit  
Apparatuses, systems and methods are utilized to relocate subsurface conduit. Specifically, the movement of underground conduit is accomplished via the apparatuses, systems and methods described...
8585327 Apparatus for placing foundation devices, and/or pipes, and/or augers into the ground, as an attachment for the boom of a construction vehicle  
An apparatus for placing foundation devices and/or pipes and/or augers in the ground, as an attachment to be attached to the boom of a construction vehicle, including a mounting hinged to a...
8568061 Polyurethane foams for trench breaker and other applications  
The invention is directed to methods for supporting trench pipes with polyurethane foams which are flotation resistant with sufficient strength and density to provide stability and inhibit erosion...
8562255 Bending restrictor assembly for use with a pipeline section  
A bending restrictor assembly for use with a pipeline section has a sleeve affixed to the pipeline section, an outer collar slidably positioned relative to and over the sleeve, and an inner collar...
8555982 Method for setting up a hybrid tower in an expanse of water, hybrid tower associated installation for exploiting fluids  
A method includes the positioning of a rising column (22) in a vertical configuration and the total immersion of a buoy for retaining the rising column (22). The method includes the insertion of a...
8439604 Pipe support system and method for use in underground pipe ramming  
A method of driving a pipe into the ground includes steps of placing a pipe to be driven into the ground onto a series of at least two spaced skids each having an upwardly opening cradle thereon...
8360688 Ballast-filled pipeline weight  
A flexible bag-type pipeline weight, configured to straddle a pipeline, has internal tie means to prevent excessive bulging of the weight after being filled with ballasting material, thus...
8303217 Systems for the subterranean support of underground conduits  
The present invention relates to a support system for supporting a conduit. In one exemplary embodiment, the system includes support beams extending across an excavated opening. For example, a...
8297361 Sea bed oil recovery system  
An oil recovery system recovers oil released at the bed of a body of water. The system includes a fluid collector assembly positionable proximate to the bed of the body of water. The collector...
8262320 Ballast-filled pipeline weight  
A flexible bag-type pipeline weight, configured to straddle a pipeline, has internal tie means to prevent excessive bulging of the weight after being filled with ballasting material, thus...
8231307 System and method for tightening string sections to form a string  
A tensioning device in particular for bracing string sections of a string includes a traction element, which extends between an abutment and an adapter on the rear end of the string. A linear...
8221032 Soil penetrating plate assembly to position geothermal conduit loops in soil  
A soil penetrating plate to position a flexible geothermal conduit loop in spoil is described. The soil penetrating plate has a leading soil penetrating formation which is provided with hook...
8162063 Dual gradient drilling ship  
Dual gradient drilling may be performed by anchoring drilling tubulars from a drilling ship on the seabed. The drilling tubulars may include an inline pump for pumping mud through another set of...
8152411 Guide arrangement  
Guide arrangement for marine risers, in particular for offshore oil and gas operations. The guide arrangement has at least one guide structure (21, 22) for a length of riser, a frame assembly (10,...
8152412 Pipelayer with cab riser  
A pipelayer having an undercarriage with at least two tracks and a main assembly. Each track has a track frame coupled to the undercarriage and a track shoe supported by and movable around the...
8092119 Pipeline buoyancy control assembly and tiedown  
A pipeline buoyancy control assembly is operable to simultaneously retain a plurality of pipelines against buoyancy forces. Respective ends of two retaining straps corresponding to two respective...

Matches 1 - 50 out of 201 1 2 3 4 5 >