| HYDRIL USA MANUFACTURING LLC Patent applications |
| Patent application number | Title | Published |
|---|
| 20120132436 | Blowout Preventer with Intervention, Workover Control System Functionality and Method - System and method for controlling a blowout preventer (BOP) stack and a tree attached to a wellhead of a well. The system includes at least a MUX pod configured to receive electrical signals and a fluid under pressure, and to provide a first set of functions to the LMRP part, and a second set of functions to a lower BOP part; a pod extension module configured to receive the fluid under pressure from the MUX pod, and to provide a third set of functions to the tree based on the received fluid under pressure; and a control part configured to be attached to the tree and to communicate with the pod extension module. The third set of functions for the tree is different from the second set of functions provided to the lower BOP part. | 05-31-2012 |
| 20120132432 | Gas Handler, Riser Assembly, and Method - Method, riser assembly and gas handler for diverting gas from a riser. The riser assembly includes a riser having a first end and a second end and a conduit extending from the first end to the second end; a gas handler connected to the riser and provided between the first end and the second end, the gas handler having an external casing; plural pipes attached to an outside of the riser such that at least one pipe of the plural pipes enters through the external casing; and a gas vent pipe configured to start at the gas handler and extend towards the second end of the riser and the gas vent pipe is further configured to divert a gas from the gas handler through the outside of the riser. | 05-31-2012 |
| 20120132431 | Emergency Disconnect Sequence Video Capture and Playback - Emergency disconnect sequence (EDS) video capture systems and method. The EDS video capture system includes a stack screen on a drilling platform, the stack screen including an EDS button to initiate an EDS signal to be sent to multiplex pods resulting in an EDS including a plurality of functions being performed by devices in one or both of a lower marine riser package and a blowout preventer stack, and an EDS function status indicator. The indicator is either a video capture device aimed at the stack screen to automatically capture one or more of the initiation of EDS signal by the EDS button and a progress of the EDS indicated by the EDS function status indicator as EDS evidence or a video card to capture one or more of the initiation of the EDS signal by the EDS button and a progress of the EDS indicated by the EDS function status indicator as EDS evidence, and a storage to store the EDS evidence. | 05-31-2012 |
| 20120132430 | Emergency Disconnect Sequence Timer Display and Method - A rig control interface, system, and method. The rig control interface includes an emergency disconnect sequence button configured to initiate an emergency disconnect sequence signal to be sent to multiplex pods resulting in an emergency disconnect sequence including a plurality of functions being performed by devices in one or both of a lower marine riser package and a blowout preventer stack; and an emergency disconnect sequence timer display triggered by initiation of the emergency disconnect sequence signal, the emergency disconnect sequence timer display configured to indicate one or both of time elapsed after initiation of the emergency disconnect sequence signal and a status of the plurality of functions being performed by the devices in the one or both of the lower marine riser package and the blowout preventer stack. | 05-31-2012 |
| 20120103629 | SHEAR BOOST TRIGGERING AND BOTTLE REDUCING SYSTEM AND METHOD - Systems can be configured to move a ram block in a blowout preventer. The system includes: a first bank of accumulators configured to provide a first pressure to move the ram block; a second bank of accumulators configured to provide a second pressure to move the ram block, wherein the second pressure is greater than the first pressure; and a controller configured to sequentially control the first bank of accumulators to apply pressure to move the ram block and to then control the second bank of accumulators to move the ram block after the first bank of accumulators has moved the ram block a first distance. | 05-03-2012 |
| 20120103619 | Drill String Valve and Method - Method and drill string valve assembly for closing a conduit through which a high pressure fluid flows. The drill string valve assembly includes first, second and third portions forming an elongated housing having an inside cavity; and a drill string valve provided inside the cavity, to extend from the first portion to the third portion. The second portion has an extension that fits inside a groove of the third portion and prevents the second portion to linearly move relative to the third portion and also allows the second portion to rotate relative to the third portion, and the second portion has a distal region provided with a thread configured to engage a corresponding thread of the first portion such that a rotation of the second portion relative to the third portion determines a tight connection between the first portion and the second portion. | 05-03-2012 |
| 20120060625 | RISER ANNULUS FLOW METER AND METHOD - A mudline riser annulus flow meter includes a liner configured to be attached to a riser to cover a hole; a cover configured to be attached to the riser to cover the liner such that a cavity is formed by the liner and the cover; a sensor rod configured to be attached to the liner and to extend inside cavity, the sensor rod having a bore; a magnet assembly configured to be fixedly attached to the sensor rod; and a waveguide tube attached to the cover. The bore of the sensor rode is configured to receive the waveguide tube. | 03-15-2012 |
| 20120001101 | External Position Indicator of Ram Blowout Preventer - Method and blowout preventer for sealing a well. The blowout preventer includes a body having first and second chambers, the first chamber extending substantially perpendicular to and intersecting the second chamber; a ram block configured to move within the first chamber to seal a first region of the second chamber from a second region of the second chamber; a rod connected to the ram block and configured to extend along the first chamber; a piston connected to the rod and configured to move along and within the first chamber; a bonnet configured to receive the piston, the bonnet being detachably attached to the body; and an indicator device partially mounted outside the bonnet and configured to indicate a physical position of the ram block within the body. | 01-05-2012 |
| 20120000644 | FLUORINATED ELASTOMERIC BLOWOUT PREVENTER PACKERS AND METHOD - A packer unit to be used in an annular blowout preventer. The packer unit includes an elastomer body including a compound of a carboxylated nitrile rubber (XNBR) base polymer having a polymer chain, and a quantity of fluorine atoms attached to the polymer chain. The compound includes between 50 and 60% XNBR, between 25 to 35% carbon black, and the rest includes other materials. The quantity of fluorine atoms displaces at least an equal quantity of hydrogen atoms from the polymer chain when the elastomer body is fluorinated. | 01-05-2012 |
| 20110266003 | Subsea Control Module with Removable Section Having a Flat Connecting Face - A subsea device is configured to control a subsea well. The subsea device includes a frame; a blowout preventer connected to the frame; a pressure supply line configured to provide a fluid under pressure; and a control module configured to receive the fluid from the pressure supply line and to distribute the fluid to control various functions of the subsea device. The control module includes a fixed part and a removable section. The fixed part has a first base connected to a valve manifold that houses a hydraulic activated valve and the removable section is configured to detachably attach to the fixed part and includes a second base connected to an electrically activated valve. The hydraulic activated valve of the fixed part is configured to be actuated by the electrically activated valve of the removable section when the removable section is mated to the fixed part. | 11-03-2011 |
| 20110266002 | Subsea Control Module with Removable Section - A subsea device is configured to control a subsea well. The subsea device includes a frame, a blowout preventer connected to the frame and configured to close a bore that fluidly communicates with the subsea well, a pressure supply line connected to the frame and configured to provide a fluid under high pressure, and a control module connected to the frame and configured to receive the fluid from the pressure supply line. The control module includes a fixed part and a removable section. The fixed part has a valve manifold that houses a hydraulic activated valve. The removable section is configured to detachably attach to the fixed part and includes an electrically activated valve. The hydraulic activated valve of the fixed part are configured to be actuated by the electrically activated valve when the removable section is mated to the fixed part. | 11-03-2011 |
| 20110265885 | Subsea Control Module with Removable Section and Method - A method for assembling a control module having a fixed part and a removable section. The method includes configuring the fixed part of the control module to be attached to a pressure supply line for receiving a fluid under pressure; providing in the fixed part a valve manifold that houses a hydraulic activated valve; detachably attaching the removable section of the control module to the fixed part; fluidly connecting an electrically activated valve of the removable section to the hydraulic activated valve such that the electrically activated valve controls the hydraulic activated valve; and configuring the electrically activated valve to electrically connect to a control section. | 11-03-2011 |
| 20110209880 | Drill String Valve Actuator with Inflatable Seals - Method and actuator system for a Kellyguard valve disposed in a drill string. The actuator system includes a sleeve that includes a cavity; an actuator disposed inside the cavity and configured to rotate the Kellyguard valve; first and second external regions of the sleeve having plural holes configured to receive a medium under pressure for actuating the actuator; a ring provided around the first and second external regions of the sleeve and configured to be fixed, the ring having first and second internal grooves facing the first and second external regions, respectively; and first and second seals provided inside the first and second grooves, respectively, at least one of the first and second seals being configured to not touch the first or second external regions of the sleeve when in a collapsed state and to touch the first or second external regions when in an inflated state. | 09-01-2011 |
| 20110155394 | Lifting Device and Method for Lifting a Bonnet - A lifting device configured to lift a bonnet of a blowout preventer. The lifting device includes two or more lifting pins, each lifting pin including, a body having an elongated shape and configured to enter through a hole in the bonnet; a shoulder connected to the body and having an external diameter larger than an external diameter of the body; and two or more threaded regions at different locations on the body and configured to receive threaded screws, each threaded region being formed in the body such that a coordinate of the treaded region in a given inertial system is substantially identical to a coordinate of a center of gravity of a corresponding bonnet in the same given inertial system when the lifting pin is inserted into a hole of the corresponding bonnet. | 06-30-2011 |
| 20110147623 | Shear Block and Blade Interface and Method - A blowout preventer having a first elongated cavity extending along a first axis and a second elongated cavity extending perpendicular to and intersecting the first elongated cavity, a shear block provided in the first elongated cavity and configured to slide along the first axis, where the shear block has a frontal face facing the second elongated cavity and configured to slide towards the second elongated cavity; and a shear blade configured to be attached to the shear block and also configured to shear a tool provided in the second cavity when the shear block slides towards the tool. The frontal face of the shear block has at least a pin region configured to enter a tail region of the shear blade such that the pin region and the tail region form a dovetail joint or the shear block has the tail region and the shear block has the pin region. | 06-23-2011 |
| 20110120734 | RAM Blowout Preventer Stroke Limiting and Method - Method and blowout preventer for sealing a well. The blowout preventer includes a body having first and second chambers, the first chamber extending substantially perpendicular to and intersecting the second chamber; first and second ram blocks configured to move within the first chamber to seal a first region of the second chamber from a second region of the second chamber; first and second rods connected to the first and second ram blocks, respectively, and configured to extend along the first chamber; first and second bonnets partially covering first and second rods, respectively, the bonnets being detachably attached to the body; and first and second stroke limiting devices configured to pierce through end parts of the first and second bonnets and limit a stroke of the first and second rods by a predetermined amount. | 05-26-2011 |
| 20110120699 | Breech Lock Mechanisms for Blowout Preventer and Method - A blowout preventer for sealing a well includes a body having first and second chambers, the body including a channel on a face of the body; a ram block configured to move within the first chamber to seal a first region of the second chamber from a second region of the second chamber; a rod connected to the ram block and configured to extend along the first chamber; a cylinder configured to be attached to the body to border the first chamber, and a ring rotatably attached to the cylinder for attaching the cylinder to the body. | 05-26-2011 |
| 20110120698 | Regulator Dampening Device and Method - A flow regulator includes a flow regulating part configured to receive at an inlet a working fluid at a first pressure and to release the working fluid at an outlet at a second pressure; a slide provided inside the flow regulating part and configured to move along an axis to reduce the pressure of the working fluid; a control part attached to the flow regulating part, the control part including a chamber; a spring housing provided in the chamber and connected to the slide though a shaft, the spring housing configured to move the slide along the axis; a cap provided in the chamber and facing the spring housing, the cap being configured to have plural blind holes; and plural pins extending along the axis and attached to the spring housing, the plural pins being configured to enter the plural blind holes. | 05-26-2011 |
| 20110100637 | Safety Mechanism for Blowout Preventer - Blowout preventer (BOP) stack and lower marine riser package for sealing an undersea well. The blowout preventer stack includes a frame extending along an axis and configured to be attached to a head of the well; an accumulator attached to the frame and configured to provide high pressure; two or more BOPs attached to the frame, the two or more BOPs being disposed within the frame and attached one on top of the other along the axis; each BOP having a body and a pair of bonnets attached to the body, where the bonnets are configured to be detachably attached to the body; each BOP having a corresponding cavity extending along the axis through which a fluid from the well is circulating; each BOP being configured to seal the well when the high pressure from the accumulator is released to the BOPs; plural brackets attached to the body of at least one BOP; and a safety bar attached to the plural brackets and configured to partially encircle the body of the at least one BOP. | 05-05-2011 |
| 20110100471 | Drill String Valve and Method - Method and drill string valve for closing a conduit through which a high pressure fluid flows. The drill string valve includes an elongated housing having an inside cavity, a seal element attached to a first end of the elongated housing, the seal element being disposed within the inside cavity such that a flow of liquid through the inside cavity from the first end to a second end of the elongated housing is allowed, a sliding valve disposed within the inside cavity and configured to slide to and from the seal element along the axis such that when the sliding valve contacts the seal element the flow of liquid is suppressed, a biasing cartridge disposed within the inside cavity, between the seal element and the second end of the elongated housing, and configured to apply a first force on the sliding valve such that the sliding valve is contacting the seal element, and a loading mechanism disposed within the inside cavity, between the biasing cartridge and the second end of the elongated housing, and configured to apply a second force on the biasing cartridge. | 05-05-2011 |
| 20110048736 | Crane Device and Method - Method, crane system and crane for moving a component of a device. The crane includes a supporting mechanism configured to be fixedly attached to the device, an arm mechanism connected to the supporting mechanism and configured to move in a horizontal plane, a sliding mechanism connected to the arm mechanism and configured to move substantially perpendicular to the horizontal plane, and a grabbing mechanism configured to be removably attached to the sliding mechanism and configured to grab the component of the device. | 03-03-2011 |
| 20110048185 | Method and Systems for Using a Shim Plate for Increased Strength - Blowout preventer (BOP) and method for sealing a well. The BOP includes a body having first and second conduits, the first conduit being substantially perpendicular on the second conduit; a piston extending through the first conduit and being configured to reciprocate inside the first conduit, the piston having a body portion, a neck portion and a head portion in this order; a ram block disposed on the piston and configured to move with the piston inside the first conduit for closing the second conduit; and a shim configured to fill a gap between a back region of the ram block and the body portion of the piston. | 03-03-2011 |
| 20100212156 | Pressure Driven System - A pressure driven pumping system includes a piston disposed within a first bore of a housing to separate a process chamber from a working chamber. A rod member coupled to the separating member extends into a reduced pressure chamber. The piston has a first face exposed to the process chamber and a second face exposed to the working chamber. The second face has an effective area less than an effective area of the first face. The housing may be placed in seawater at a selected depth. The process chamber can be in fluid communication with a well to pass well fluid into the process chamber at well pressure to move the piston, to discharge seawater from the seawater chamber. The working fluid, typically seawater in a subsea application, is pumped into the working chamber to move the piston, which discharges well fluid from the process chamber. | 08-26-2010 |
| 20100152901 | Position Data Based Method, Interface and Device for Blowout Preventer - Methods and devices for using position data of a piston connected to a ram block in a blowout preventer to determine a backlash of the ram block, and/or to record a position of the ram block, and/or to calculate an instant when a supplemental closing pressure is desired to be applied, and/or to determine when maintenance of a ram locking mechanism is due, and/or to determine when sealing elements are worn. | 06-17-2010 |
| 20100147532 | REMOTE OPERATED ACTUATOR SYSTEM FOR DRILL STRING INTERNAL BLOWOUT PREVENTER - An air swivel ring includes a non-rotating member having an air inlet, a rotating member having an air outlet, and a split seal having a first sealing surface and coupled to one of the non-rotating member and the rotating member so that the first sealing surface on the seal is disposed proximate a second sealing surface on the other of the non-rotating member and the rotating member. | 06-17-2010 |
| 20090321066 | Packer Insert for Sealing on Multiple Items Used in a Wellbore - A packer insert for sealing multiple items used in a wellbore includes an elastomeric member having one or more channels configured to seal on the multiple items when compressed by a packing unit, wherein the elastomeric member is made of a material selected from rubber, an elastomer, and a composite material, and wherein the packer insert is not affixed to a pressure control apparatus having the packing unit disposed therein. The packer insert is axially fixed to at least one of the multiple items. | 12-31-2009 |
