Did You Know...
...that in the early 1940s GE engineer James Wright was charged with a task of utmost importance to the war effort: develop a cheap substitute for rubber that could be used to produce tires, gas masks and a whole host of military gear. Wright tackled the task diligently -- and wound up inventing Silly Putty.
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| Number | Title | Issue Date |
| 7950464 | Multi-well controller An improved multi-well control system (MWCS) has a centrally based multi-well controller (MWC) in communication with one or more slave controllers and one or more electronic flow measurement devices (EFMs) for instant data monitoring and control of individual wells.... | 05/31/2011 |
| 7784547 | Subsea connector insulation device A subsea insulation device is described. The device includes a frame coupled to and at least partially enclosing a subsea component. A bag may be at least partially enclosed in the frame. The bag may substantially seal against at least one surface of the subsea comp... | 08/31/2010 |
| 7677319 | Subsea tree cap and method for installing the subsea tree cap A retrievable tree cap for use on a subsea tree having a concentric bore. The tree cap may be installed and retrieved using a remotely operated vehicle. Hydraulic pressure may be used to lock the tree cap onto the subsea tree and to set the tree cap seals. The tree ... | 03/16/2010 |
| 7661479 | Subsea insulating shroud Apparatus and methods for insulating a connector that connects a first tubular member having a first flange with a second tubular member having a second flange. The apparatus comprises a generally tubular body forming a generally tubular cavity therein adapted to en... | 02/16/2010 |
| 7419006 | Apparatus for protecting wellheads and method of installing the same An apparatus and method for protecting wellheads of a fixed-leg drilling and production platform which provide an alternative from the shutting in of producing wells as currently required. The apparatus provides a structural barrier for the production process system... | 09/02/2008 |
| 7357184 | Jacking frame having a wellhead centralizer and method of use A jacking frame for an oil well offshore platform is provided that includes a support structure; a coiled tubing injector supported by the support structure and having a longitudinal axis; and a centralizer attached to the support structure, which moves a wellhead o... | 04/15/2008 |
| 7350583 | One trip string tensioning and hanger securing method A running tool delivers a string through a wellhead in the same trip as a hanger with a seal and locking assembly. The string is secured downhole and the running tool is manipulated to release a lock to hold the hanger in a sealed position in the wellhead prior to a... | 04/01/2008 |
| 7325628 | Anchor for vehicle, vehicle and anchor in combination, and method of using the anchor A seabed anchor (20) is fixed to and deployable from an ROV (10) for positively anchoring the ROV (10) to the seabed (100). The seabed anchor (20) comprises three nested telescoping tubes (26, 28, & 30). The upper end... | 02/05/2008 |
| 7325598 | Vacuum assisted seal engagement for ROV deployed equipment A method and apparatus for attaching a first component which comprises a depending portion to a second component which comprises a bore that is sized and configured to receive the depending portion, wherein the first and second components are exposed to a fluid whic... | 02/05/2008 |
| 7318480 | Tubing running equipment for offshore rig with surface blowout preventer A method performing an operation in a subsea wellhead assembly through a riser extending between the wellhead assembly and a surface platform includes the step of connecting a surface blowout preventer to an upper portion of the riser. Then a tool is connected to a ... | 01/15/2008 |
| 7318479 | Assembly for connecting a jumper to a subsea structure An assembly for connecting a jumper to a subsea structure. The assembly comprises a jumper connector attached to an end of the jumper that has a vertically disposed main body adapted for receiving a plurality of lines, which connect into a corresponding plurality of... | 01/15/2008 |
| 7308943 | Well operations system A wellhead has, instead of a conventional Christmas tree, a spool tree in which a tubing hanger is landed at a predetermined angular orientation. As the tubing string can be pulled without disturbing the tree, many advantages follow, including access to the producti... | 12/18/2007 |
| 7273105 | Monitoring of a reservoir A system is described for monitoring a subsea formation, which is under development. Instruments located in a completed but unconnected well are employed for providing information by a provisional monitoring unit being lowered downhole and connected to the well. Cha... | 09/25/2007 |
| 7264057 | Subsea intervention A method and system of subsea intervention comprises lowering one or more assemblies of intervention equipment into the sea. Underwater marine units (such as remote operated vehicles or small submarines) may be employed to connect the assemblies to each other and to... | 09/04/2007 |
| 7241077 | Underwater installation apparatus A running tool for deployment from a base such as a vessel for installing a component at an underwater facility such as a hydrocarbon extraction well includes a carriage which is lowered from the base. The carriage releasably retains the component. A compensator is ... | 07/10/2007 |
| 7225877 | Subsea intervention fluid transfer system A system for subsea transfer of intervention fluids to a subsea intervention apparatus, the system, in certain aspects, including a structure and a frame pivotably mounted thereto, a plurality of frame fluid conduits on the frame for conducting fluid from a connecto... | 06/05/2007 |
| 7219737 | Subsea wellhead arrangement for hydraulically pumping a well A subsea well pumping system for installing and retrieving a hydraulically actuated down hole pump employed within the tubing suspended within casing extending from above a seabed, the system having a wellhead assembly affixed to the upper end of the casing for supp... | 05/22/2007 |
| 7219739 | Heave compensation system for hydraulic workover The present invention relates generally to offshore drilling and production operations, and, more particularly, to marine drilling workover/intervention tensioning and compensating devices and methodologies. A heave compensated hydraulic workover device and/or syste... | 05/22/2007 |
| 7201229 | Tree mounted well flow interface device A subsea production tree has an external annular profile formed on an upper portion of the tree. A vertical passage extending from a lower end of the tree to an upper end of the tree for communicating with a string of tubing extending into the well. A lateral passag... | 04/10/2007 |
| 7128159 | System and method for limiting vortex-induced vibrations on an offshore production riser The present invention relates to a method and to a system for limiting vortex-induced vibrations on a riser suspended at one end from a support and subjected to substantially transverse fluid flows. The system comprises suspension means (10) for hanging the r... | 10/31/2006 |
| 7093660 | Well operations system A wellhead has, instead of a conventional Christmas tree, a spool tree in which a tubing hanger is landed at a predetermined angular orientation. As the tubing string can be pulled without disturbing the tree, many advantages follow, including access to the producti... | 08/22/2006 |
| 7073592 | Jacking frame for coiled tubing operations A modular work system permits Rig Up time to be substantially reduced by reducing the number of crane lifts required to offload equipment for a transport boat or vehicle. This is achieved by developing transport skids capable of holding multiple system components. T... | 07/11/2006 |
| 7011159 | Compact mid-grip fastener A fastener for coupling blowout preventers in a stack including an elongated shaft having a first end and a second end, and a head disposed proximate the first end of the elongated shaft and adapted to be retained in a recess in a first blowout preventer. The second... | 03/14/2006 |
| 6955223 | Blow out preventer handling system A process to transport a blow out preventer for a drilling rig having a drawworks wherein the blow out preventer is transported between a storage area and a use position over a wellbore. The process includes the steps of connecting an upper connector end of an elong... | 10/18/2005 |
| 6923253 | Pivoting gooseneck A gooseneck for coiled tubing operations have a folding design to allow for a more compact design for storage and transport. The gooseneck may remain attached to the injector during transport, thereby decreasing the equipment required to move and set-up the coiled t... | 08/02/2005 |
| 6913084 | Method and apparatus for controlling well pressure while undergoing subsea wireline operations Method and assembly for conducting wireline operations in a deep, subsea location. The method includes providing a rig on the surface of a body of water, having a riser extending from the rig floor to the sea floor; an annular preventer positioned on the end of the ... | 07/05/2005 |
| 6843321 | Intervention device for a subsea well, and method and cable for use with the device A device for intervention of a subsea oil and/or gas well by means of a tool (8) suspended by a cable (9), fed from or withdrawn to a vessel (1) and driven by a drive mechanism (12) located on the vessel. The device comprises a lubricator... | 01/18/2005 |
| 6827147 | Reciprocating lubricator A reciprocating lubricator includes a lubricator base, a lubricator tube connected at the top to a lubricator head and inserted through a packing in the lubricator base to provide a sealable chamber adapted to accommodate a downhole tool to be inserted into a wellbo... | 12/07/2004 |
| 6817417 | Debris cap An ROV, wireline or diver installed subsea xmas tree debris cap has an integral corrosion inhibitor/biocide provided in the form of a solid block which is wrapped in a water soluble membrane bag. The block is suspended inside the debris cap in a basket or perforated... | 11/16/2004 |
| 6776230 | Coiled tubing line deployment system A horizontal Christmas tree is adapted for ESP/HSP or downhole sensor deployment by a coiled tubing hanger 38 received in the tubing hanger 12. Coiled tubing 40 suspends downhole equipment such as ESP 60, and carries power/signal lines. T... | 08/17/2004 |
| 6769489 | Well stimulation tool and method of using same A well stimulation tool is connected to a top of a tubing hanger in a well to be stimulated. The well stimulation tool includes an adapter pin that connects to the tubing hanger. The adapter pin is connected to a mandrel that reciprocates through a top end of an ada... | 08/03/2004 |
| 6763890 | Modular coiled tubing system for drilling and production platforms A modular work system permits Rig Up time to be substantially reduced by reducing the number of crane lifts required to offload equipment for a transport boat or vehicle. This is achieved by developing transport skids capable of holding multiple system components. T... | 07/20/2004 |
| 6702025 | Hydraulic control assembly for actuating a hydraulically controllable downhole device and method for use of same A hydraulic control assembly (80) for actuating a hydraulically controllable downhole device (100) comprises a hydraulic fluid source (82) located on a surface installation that supplies a low pressure hydraulic fluid, an umbilical assembly (88) coupled t... | 03/09/2004 |
| 6644410 | Modular subsea control system A modular control system having independently and separately retrievable parts for use on subsea equipment, including subsea Christmas trees, and subsea manifolds.... | 11/11/2003 |
| 6615921 | Apparatus and method for remote adjustment of drill string centering to prevent damage to wellhead A drill bit guide is mounted in a wellhead in place of a wear bushing. The bit guide is capable of guiding strings and tools through the wellhead without damage to the wellhead or string while drilling. In one version of the bit guide, a pair of linear ac... | 09/09/2003 |
| 6609572 | Riser connector A system for connecting and disconnecting a lower end of a marine riser (25) to and from a blow out preventer stack on a subsea Wellhead comprises gripping members (26) for the marine riser and a lock element (27) for locking the gripping members (26). Th... | 08/26/2003 |
| 6571877 | Wellhead In the drilling of a well, a dedicated drilling wellhead (520) mounted at the top of the casing cluster whilst the well is being drilled. At the end of drilling, a seal ring or sleeve (534) which during the drilling phase has the function of an annular sl... | 06/03/2003 |
| 6494268 | Transport and support frame for a bop assembly A method and apparatus is provided to prevent axial twisting, vibration, and bounce of individual components comprising a stack of operational surface components for a well which may occur during the transportation, hoisting, or use of the stack. A transp... | 12/17/2002 |
| 6470973 | Side element of a drilling template An improvement in a side element of a drilling template for wells at sea for extracting hydrocarbons, wherein the side element is connected to a central section of the drilling template and projects horizontally out therefrom. The side element is arranged... | 10/29/2002 |
| 6457526 | Sub sea bottom hole assembly change out system and method The components required for changing out a bottom hole assembly are stored within a submerged storage chamber adjacent the lower end of a riser extending up from the bottom of a body of water. A vertical, revolving magazine holds the bottom hole assembly ... | 10/01/2002 |
