Patent application number | Description | Published |
20090014071 | Mud saver valve with magnetic latching - A mud saver valve for retaining drilling fluid in the Kelly of a rotary drilling rig for insertion into a Kelly sub with an enlarged opening inside having a valve and hollow piston closing the flow in a first position and having flow through when the hollow piston is moved by flow against a spring to an open position compressing a spring to stack height, the spring being magnetized to provide magnetic latching to assist in holding the hollow piston in the open position at flow rates lower than it would otherwise be held open. | 01-15-2009 |
20100012151 | Method of pipeline remediation with a scoop - A retrievable pig for cleaning blockage material from a pipeline, comprising a string of tubing within the pipeline from a proximate location at the entrance to the pipeline to a distal location within the pipeline, a pig assembly comprising a flexible cup which will collect pipeline blockage material, a seal which engages the internal bore of the pipeline being cleaned, and a connection to the distal end of the string of tubing; pushing the pig assembly with fluid in the annular area between the internal bore of the pipeline and the outer diameter of the string of tubing until the pig assembly engages the blockage material, and pumping a flow of fluid thru the internal string of tubing to a location beyond a portion of the blockage material, the flow of fluid urging the pig assembly and the portion of the blockage material towards the proximate location. | 01-21-2010 |
20110000184 | Method to protect jet engines from bird strikes - The method of preventing the dangers of birds entering the jet engines of an airplane during take-off and landing by rotating a portion of the jet engines cowling to a blocking position in front of the jet engine during take-off and landing and the rotating the same portion of the jet engine cowling back away from the front of the jet engine during high speed cruising at altitudes. | 01-06-2011 |
20110000546 | Method for transportation of cng or oil - The method of transporting natural gas from a subsea location to shore by providing a subsea tanker with a storage tank which is a balloon, a loading tower for the docking of the subsea tanker at a certain depth, loading the storage tank with natural gas at the loading tower, transporting the gas subsea at the same depth, providing a sales tower for the docking of said subsea tanker at a the same depth and venting said natural gas into a pipeline for delivery shore. | 01-06-2011 |
20110005834 | Method to control bit load - The method of controlling the load on a drill bit drilling a hole by providing differential pressure across a seal area on a drilling assembly to increase the bit load and providing a relief valve from the annular area above the seal to the bore returning fluid to the surface to limit the maximum differential pressure to limit the maximum load allowed. | 01-13-2011 |
20110006149 | Method for automatic cable tension on a reel - The method of controlling the tension to an umbilical wrapped on the spool of an offshore reel when the umbilical is being normally deployed or retrieved, comprising providing a motor, sensing the number of wraps of cable on the reel, automatically calculating the radius to the current wrap being deployed, and automatically controlling the motor torque to produce the desired tension. | 01-13-2011 |
20110016966 | Current measuring method - The method of measuring the current below an offshore vessel by suspending a flexible member in the currents from the vessel, adding reflectors or signal generators to the flexible member, adding an adjustable weight to the bottom of the flexible member, determining the horizontal position of each reflector in comparison to the reflector above and below it, and using this information to determine the ocean currents at various levels below the vessel. | 01-27-2011 |
20110108280 | Method of testing a drilling riser connection - The method of providing flotation modules on subsea drilling riser joints comprising providing flotation modules as a full circle, installing said flotation modules sequentially onto the end of the central pipe of said drilling riser joints in a desired orientation, providing passageways through said flotation modules which extend from one end of said subsea drilling riser joints to the other end of said drilling riser joints. | 05-12-2011 |
20110108281 | Method of providing buoyancy for a drilling riser - The method of providing flotation modules on subsea drilling riser joints comprising providing flotation modules as a full circle, installing said flotation modules sequentially onto the end of the central pipe of said drilling riser joints in a desired orientation, providing passageways through said flotation modules which extend from one end of said subsea drilling riser joints to the other end of said drilling riser joints. | 05-12-2011 |
20110109081 | Drilling riser connector - The method of providing a clamping connection comprising providing one or more clamping hubs, providing two or more clamping segments to engage the clamping hubs, constraining the clamping segments to move approximately radially with respect to the clamp hubs, providing a tension band around the clamping segments which slides circumferentially relative to the clamping segments, and adjusting the ratio of the contact area of the tension band to the clamping hubs and the area of the clamping hubs to compensate for the difference in loading on the clamping hub due to sliding friction between the tension band and the clamping hubs. | 05-12-2011 |
20110131853 | Mowable sign post - The method of providing non-stop mowing access to a street sign comprising of providing a support for a street sign which moves from a first position in the path of the mower blade to a second position out of the path of the mower blade as the mower blade approaches, and providing that the support for the street sign moves back from the second position to the first position when the mower blade has passed the street sign. | 06-09-2011 |
20110284236 | Negative accumulator for BOP shear rams - The method of providing increased motive force for one or more rams of a subsea blowout preventer comprising providing a one or more pistons connected to the one or more ram, the pistons having a distal side and a proximate side with respect to the ram, providing a tank contain a first pressure less than the ambient pressure of seawater at the location of the subsea blowout preventer, and communicating the first pressure with the proximate side of the one or more pistons to cause or enhance the differential pressure across the one or more pistons to urge the rams toward the center of the bore of the subsea blowout preventer. | 11-24-2011 |
20120012225 | Method of filling CNG tanks - The method of charging a tank with a gas product up to a desired pressure and temperature without increasing the gas in the tank to a pressure and temperature higher than a desired pressure and temperature, comprising pressurizing the incoming gas to be put into the tank to a pressure equal to or higher than the pressure of the resident gas already in the tank, cooling the incoming gas to a temperature lower than the resident gas, mixing the incoming gas with the resident gas up to the desired pressure such that the pressure and temperature of the combined gas will be increased without increasing the temperature and pressure of the resident gas to a pressure and temperature higher than the desired pressure or temperature. | 01-19-2012 |
20120012328 | Dual gradient pipeline evacuation method - The method of removing a first liquid from a subsea pipeline which has a central portion lower than each of the ends of the subsea pipeline by pumping a second lower density fluid into the pipeline and the either removing the second lower density fluid by either displacing it with gas or evaporating the second lower density fluid to a gas. | 01-19-2012 |
20120037367 | Shearable drill pipe method - The method of shearing drill collars used in the drilling of oil and gas wells, comprising providing an outer sleeve of a first material for carrying structural loads, providing a second material within the outer sleeve which is lower in shear strength and is greater in unit weight than the first material, and providing a hole in the second material for the circulation of fluids. | 02-16-2012 |
20120168167 | Blowout resistant frictionless hydraulic connector - The method of providing a hydraulic stab sub for sealing in a receptacle bore of a first diameter comprising providing the hydraulic stab subs with two or more composite seals each having two metal rings having an outer second diameter less than the first diameter and an inner third diameter and bonding a resilient material between the two metal rings with an outer seal diameter less that the first diameter and an inner seal diameter less than the inner third diameter, providing a seal expander having an expander outside diameter which is smaller than the third inner diameter and greater than the seal inner diameter, such that when the hydraulic stab sub is within the receptacle bore and the seal expander is moved to within the inner seal diameter of the composite seals, the resilient material is expanded into sealing engagement with the receptacle bore. | 07-05-2012 |
20120279719 | Internal drilling riser centralizer - The method of centralizing a rotating string within the bore of a subsea blowout preventer stack and a drilling riser comprising providing a multiplicity of rollers having a first position and a second position, when the rollers are in the first position the rollers defining a first circle which is proximately the size of the bore of the drilling riser, when the rollers are in the second position the rollers defining a second circle which is smaller than the first circle, and when the rollers are in the second position the rollers prevent the rotating string from contacting the bore of the subsea blowout preventer stack or the drilling riser proximate the rollers. | 11-08-2012 |
20120305258 | Method for increasing subsea accumulator volume - In a subsea system where subsea devices are operated using a pressurized fluid from one or more accumulators, the method of providing flow of pressurized fluid to operate a device which is greater than the flow from an accumulator providing the flow, comprising discharging the accumulator to drive one or more motors, driving one or more pumps by the one or more motors, the one or more pumps having a larger displacement than the one or more motors such that the one or more pump outputs a greater volume of fluid than the motor consumes, and delivering the output of the one or more pumps to operated the subsea device. | 12-06-2012 |
20130019980 | Accumulator with single direction seal - A depth compensated subsea accumulator with a cylinder with a cylinder end, a first larger bore, a cylinder shoulder and a second smaller bore, a piston sealingly and slidably engaging the first large bore with a single direction seal and having a rod attached to a first side, the rod sealingly and slidably engaging the second smaller bore, the piston having a working fluid on the first side and a compressed gas on the second side, the working fluid on the first side of the piston having a higher pressure than the gas on the second side of the piston while the piston is moving between the cylinder end and the cylinder shoulder, when the piston sealingly engages the cylinder shoulder, a portion of the working fluid on the first side of the piston within a seal diameter having a lower pressure than the gas on the second side of the piston and a portion of the working fluid on the first side of the piston outside the seal diameter having a higher pressure than the gas on the second side of the piston, such that the single direction seal always encounters pressure from the same direction. | 01-24-2013 |
20130257158 | Method for transmission and storage of wind energy - A method of transportation and storage of wind energy, comprising receiving wind energy from a wind turbine in the form of compressed gas, storing of at least a portion of the compressed gas in a pipe, venting a portion of the compressed gas to drive a motor to drive a generator to generate electrical power, and distributing the electrical power to one or more users. | 10-03-2013 |
20140054086 | SHEARABLE DRILL PIPE AND METHOD - The method of shearing drill collars used in the drilling of oil and gas wells, comprising providing an outer sleeve of a first material for carrying structural loads, providing a second material within the outer sleeve which is lower in shear strength and is greater in unit weight than the first material, and providing a hole in the second material for the circulation of fluids. | 02-27-2014 |
20140114218 | Method of providing a leg crutch - The method of providing leg support for an ambulatory patient comprising
| 04-24-2014 |
20140157577 | Method for In situ multiple cable terminations - The method of attaching a pulling head to two or more wires or cables for installation in a conduit, comprising providing a first area for attaching the pulling head, placing two or more wire or cable supply spools on a first side of the first area, placing a receiving spool on the opposite or second side of the first area, feeding a portion of the wires or cables from the wire or cable supply spools onto the receiving spool, placing a terminating table in the first area below the wires or cables, cutting the wires or cables at staggered length from the receiving spool, stripping a portion of the covering from the wires or cables from the outer diameter of the two or more wires or cables, installing a connection onto each of the two or more wires or cables. | 06-12-2014 |
20140300485 | Method of non-intrusive communication of down hole annulus information - The method of non-intrusively collecting down hole information by providing one or more information collection devices in the annular area outside one or more casing strings and inside the drilled hole the one or more casing strings are suspended within, supporting the one or more casing strings in one or more hangers within a wellhead, providing one or more devices which transmit information outside the one or more casing strings and proximate the one or more hangers, providing one or more wirings between the one or more information collection devices and the one or more devices which transmit information, providing a one or more devices which receive information outside the wellhead to receive information transmitted by the one or more devices which transmit information, and making the wellhead of a non-magnetic material to allow the passage of the transmitted information. | 10-09-2014 |
20140338139 | Pipeline Service Pig with Floating Seal Carriers - A pipeline pig for performing service operations in a pipeline having a pig body, guides on the pig body which are adapted to slide along the bore of the pipeline, one or more seals which are each a composite of a metal seal carrier and a resilient sealing cup which are adapted to sealingly engage the bore of the pipeline and the metal seal carriers are adapted to sealingly engage the pig body and have radial freedom relative to the pig body such that when the pig body moves to an eccentric position relative to the pipeline such that the guides engage the bore of the pipeline bore the one or more seals are free to remain substantially concentric with the bore of the pipeline. | 11-20-2014 |
20140338582 | Method of Single Line Mooring - The method of mooring buoyant equipment at the surface of a body of water in a controlled position using a single line by connecting a first line from the buoyant equipment to a first diameter drum on a subsea mooring tower, connecting the first diameter drum to a second diameter drum, connecting a second line from the second diameter drum to a weight, such that when the depth of the body of water changes the tension on the first line remains the same and the vertical distance travelled by the weight is less than the change in the depth of the body of water. | 11-20-2014 |
20140338775 | Bend Protector for a Pipeline Bend - A protector for protecting the internal bore of a pipeline bend from a line being pulled through the pipeline bend during servicing operations including a first liner section which will travel along the pipeline to the pipeline bend bend but which will not pass through the pipeline bend, a one or more of second liner sections which will pass through the bend but are connected to the first liner section, releaseably connecting the liner sections to a service pig, pulling the liner sections into the pipeline with the service pig until the first liner section encounters the bend and stops, continuing travel with the service pig and releasing the service pig from the liner sections, and constraining a line connected to the service pig to be positioned within the liner sections rather than contacting the pipeline bend. | 11-20-2014 |
20140338926 | Recovery Type Pipeline Service Pig - A method of providing a pig for assisting in the recovery of coiled tubing string from a pipeline including an attachment to the coiled tubing intermediate the ends of the coiled tubing string, one or more sealing cups which have a preferred sealing direction from the distal end of the coiled tubing string to the proximate end of the coiled tubing string, allowing flow past the sealing cups from the proximate end of the coiled tubing to the distal end of the coiled tubing with a check valve, providing for flow through the pig from the distal end of the coiled tubing to the proximate end of the coiled tubing with a predetermined pressure loss, and using the predetermined pressure loss to generate a force to assist in recovering the coiled tubing string from the pipeline. | 11-20-2014 |