Matches 1 - 50 out of 117 1 2 3 >
Match Document Document Title
6698976 Grouting pipe equipment and method of grouting using the same for an underground water well  
Grouting equipment and methods suitable for use in underground water wells, which accomplish their goals by better centering the grouting equipment within a bore hole, even in curved bore holes, in...
5582491 System to increase the tension capacity of pipe piles driven into the ocean floor  
A new pile assembly and process are disclosed. A pile cap is attached to a pipe pile. A partition is installed below the pile cap creating an air chamber between them that is at surface atmospheric...
5513929 Fixed offshore platform structures, using small diameter, tensioned, well casing tiebacks  
A fixed, non-compliant, non-floating offshore platform subject to lower wave, wind, current, and rig loadings resulting from a configuration that supports the portion of the well casings that...
5071288 Subsea inflation and grout system  
A subsea inflation and grout system for use on subsea supports of offshore drilling platforms and the like. The system includes at least one grout control valve and at least one inflation control...
5028171 Reusable offshore platform with skirt piles  
This invention pertains to a re-usable offshore platform that is secured in place by skirt piles. The platform is constructed with skirt pile sleeves having an interior insert that is subsequently...
4968184 Grout packer  
An inflatable grout packer includes a housing having an inner bore. An annular inflatable bladder is received in the inner bore of the housing. The bladder has an inflation cavity defined therein...
4907917 Method of securing anchor rods  
A method of securing an anchor rod in a borehole at an underwater location without the use of expanding force includes a first step of partially filling the borehole with a flowable hardenable...
4902170 Grouting method - chemical method  
An improved grouting method and arrangement using particulate material and aqueous solutions of alkali silicate materials confined between pile seal assembly and top of an offshore platform in...
4836716 Method and apparatus for piled foundation improvement through freezing using surface mounted refrigeration units  
A method and apparatus for increasing the load bearing capacity of tubular piles by freezing an area of soil surrounding the piles. A refrigeration unit is located on the surface of an offshore...
4826357 Device for the internal occlusion of tubular foundation piles  
The device for the occlusion of the internal clearance of tubular foundation piles according to the invention comprises a plug, consisting of a shutter and a deforming ring cooperating with a...
4826356 Pressure actuated flow control valve  
A pressure actuated flow control valve for use in conjunction with inflatable packers and grouting systems on offshore oil platforms. The valve includes an elongated body with a plurality of...
4789271 Remote fluid transfer system and method for sub-sea baseplates and templates  
A simple, easily manipulated remote fluid transfer system comprising a pump, grout pipe string, a manipulation device, guide sleeve, and a remote video display device.
4784526 Arctic offshore structure and installation method therefor  
An arctic offshore platform adapted for use in hydrocarbon exploration and production operations conducted in relatively shallow waters with low to moderate ice environments. The arctic offshore...
4776727 Quick release platform grouting valve system  
A quick release grouting valve system is disclosed in which the valve system is provided in a first portion and a second portion which are joined together by a locking mechanism which is releasable...
4767240 Pile-framed structure  
An underwater pile-framed structure comprises a plurality of upright piles 11 arranged in two parallel and spaced rows, reinforcing cages 13 surrounding the piles in peripherally spaced...
4743301 Concrete composition for underwater use  
A concrete composition for underwater use contains about 0.1 to 4% by weight based on cement content of a water soluble vinyl polymer containing vinyl units having sulfonic groups. The concrete...
4740110 Platform grouting system and method  
A system and method for grouting skirt piles in skirt sleeves at the bottom of a deep water offshore platform. A series of spaced apart grout inlets are located on the outer wall of each sleeve and...
4721416 Submersible offshore drilling and production platform jacket  
A submersible offshore jacket assembly is provided having a plurality of elongated pilings with a first diameter. A plurality of spaced, longitudinally aligned sleeves of a diameter greater than...
4720214 Mudmat design  
A method and apparatus for positioning an offshore well substructure on the ocean floor. A substructure having a heigth of 1350 feet and base of 400 feet by 480 feet is subject to significant...
4701074 Apparatus for forming a grouted member in deep water  
Apparatus for forming a grouting member, for example, a grouted pile, in deep water comprises a female coupling member for connection to a male coupling member located on the sea bed, a conical...
4661020 Leg closure--improved fabric layup  
The ply overlap arrangement of the present invention comprises alternating the orientation or overlap direction of each ply of fabric strips with respect to a section of the peripheral reinforcing...
4599014 Buoyant guyed tower  
A tower adapted to be mounted in an upright position in water depths in the range of 1200 to 2500 feet. The tower has a plurality of guy lines which extend outwardly and downwardly from the upper...
RE32119 Mooring and supporting apparatus and methods for a guyed marine structure  
A method and apparatus for supporting a deep water guyed marine structure has a foundation which uses a system of piles connected to the marine structure only at a top portion thereof. The marine...
4576521 Permanent mooring method and arrangement  
A permanent mooring method and arrangement for embedding a permanent mooring device in the sea bottom calls for the lowering of the permanent mooring device into the sea until the bottom end...
4576522 Rupturable closure  
An improved diaphragm assembly for use in sealing annular members of marine structures comprising a diaphragm, a pair of flat annular plates and a rip-out assembly.
4543014 Off-shore mooring structure  
A monolithic structure for off-shore mooring composed of a broadened foundation (2) and an emerging vertical structure (1) having a very slender character and a flexural resistance modulus...
4519726 Flow line riser for offshore structure  
Riser for an offshore marine platform which includes facilities to receive, treat, and/or store hydrocarbon fluid from a plurality of dispersed submerged wells. The riser includes means to...
4493592 Grouting method  
A method of grouting using aqueous solutions of alkali silicate materials in sealing the annular space formed between either a jacket leg or pile sleeve and a pile driven therethrough of an...
4472080 Method for installing and connecting underwater flowlines  
In installation of a flowline and connection thereof to an underwater installation equipped with guide lines extending from the installation to an operational base at the surface of the body of...
4470726 Leg closure  
A closure of reinforced elastomeric material having layers or plies of reinforcing means bonded or secured to one or more reinforcing members in the outer periphery of the closure wherein each...
4422805 Method of grouting offshore structures  
Submerged cavities such as occur in jacketed pilings in offshore structures are grouted by the sequential use of materials with initially decreasing densities, the heaviest of which is lighter than...
4412759 Reach rod grouting system  
An offshore marine combination reach rod and grouting system wherein a reach rod extended from the upper end of an offshore platform leg or piling and piling sleeve to a flood valve connected to...
4372704 Method and apparatus for grouting of offshore platform pilings  
An inflatable packer and method for sealing the annulus between an outer member and a pile driven therethrough. The inflatable packer comprises a packer housing, first and second guide rings...
4367983 Leg closure  
A closure of reinforced elastomeric material having layers or plies of reinforcing means bonded or secured to one or more reinforcing members in the outer periphery of the closure wherein each...
4337010 Inflatable grout seal  
An inflatable packer for use on an offshore platform to seal the annulus between the jacket leg or pile sleeve and a pile driven therethrough, the inflatable packer comprising a packer housing, a...
4320992 Grout distribution system  
A grout distribution system for grouting the interior of a piling driven through a jacket leg of a marine platform or grouting the interior of a similar cylindrical structure.
4310265 Pile wiper seal  
A pile wiper assembly for use on the jacket leg or pile sleeve of a marine platform, the pile wiper member comprising an elastomeric member having reinforcing means throughout and reinforcing...
4290716 Platform resting on the bottom of a body of water, and method of manufacturing the same  
A platform resting at the bottom of a body of water, including a plurality of longitudinally disposed bays supported by piers each consisting of a small number of transversely aligned posts resting...
4279546 Grout seal premature inflation protective system  
Offshore platform leg jacket and piling sets having inflatable grout seals with inflation lines extended to the outside of respective jackets and upward to the top of the jackets each equipped with...
4275974 Inflation and grout system  
A system for inflating packers installed in offshore platforms and grouting the annuli between the piles and either the jacket legs and/or pile sleeves utilizing a separate inflation line system...
4273474 Grouting of offshore jackets to distribute forces among the anchoring piles  
An offshore jacket is provided which comprises a plurality of main hollow pile sleeves and a plurality of secondary hollow pile sleeves of shorter height than the main sleeves and connected thereto...
4240767 Valving methods and apparatus for flooding and grouting offshore jacket sleeves  
A flooding and grouting valve is provided for use in an offshore jacket. The valve mechanism includes a flood valve portion including an opening to ambient water and a rotatable gate for...
4230424 Leg closure  
A diaphragm for closing the bore of a tubular pile guide member and/or supporting leg member of a marine platform or similar structure, the diaphragm comprising reinforced elastomeric material...
4214843 Subsea grout distributor  
A subsea grout distributor is disclosed for supplying grout sequentially to a plurality of subsea grout-receiving locations from a primary grout supply conduit. The subsea distributor comprises a...
4192383 Offshore multiple well drilling and production apparatus  
A modular multiple well drilling and production template structure is combined with a production riser base module to provide an underwater apparatus which allows a plurality of wells to be...
4184790 Submerged pile grouting  
Apparatus and method is disclosed for filling the annulus between the jacket and piling of members of cluster or pin piles with fluid grouting material. Cluster or pin piles surround and support a...
4171923 Offshore structure gravity grouting method  
A method for gravity grouting the annulus between a piling and a piling sleeve wherein air pressure is used to expel water and foreign matter from the annulus. Air pressure is then reduced in the...
4140426 System for inflating packers and placing grout through one line  
A method and apparatus for inflating a plurality of packers installed in off-shore platforms and grouting the annuli between the piles and pile sleeves thereon utilizing a single line and a control...
4124989 Supports for maritime structures  
A shear key unit for attachment rigidly to the base of a foundation raft for a maritime structure comprises an open ended thin walled cylinder, which when its open end is facing downwardly beneath...
4120166 Cement monitoring method  
A method for monitoring the location and set of a cement slurry within a support member of an offshore structure is disclosed. The location and setting properties of the cement are determined by...
Matches 1 - 50 out of 117 1 2 3 >