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3M employee and church chorister Art Fry needed something to temporarily mark pages in his hymnal. He was in luck because his colleague, Spencer Silver, accidentally developed a glue that was too weak for other purposes. After initially discouraging consumer response, Post-it Notes became a hit in 1979.
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| Application No. | Application Title | Issue Date |
| 20120067589 | RISER EMERGENCY DISCONNECT CONTROL SYSTEM An emergency riser disconnection system for disconnecting a riser from a subsea installation having disconnect actuators and a signal and power circuit for controlling the actuators. The signal and power circuit is made up of an umbilical with signal lines and hydraulic... | 03/22/2012 |
| 20120048566 | Subsea Well Safing System A subsea well safing method and apparatus adapted to secure a subsea well in the event of a perceived blowout in a manner to mitigate the environmental damage and the physical damage to the subsea wellhead equipment to promote the ability to reconnect and recover contro... | 03/01/2012 |
| 20120043089 | RETRIEVING A SUBSEA TREE PLUG A method for riserless intervention of a subsea well includes: lowering a pressure control assembly (PCA) from a vessel to a subsea production tree; fastening the PCA to the tree; deploying a plug running tool (PRT) into the PCA, wherein the PRT comprises a latch, an an... | 02/23/2012 |
| 20120037374 | PLUG REMOVAL AND SETTING SYSTEM A method for removing a plug from and setting a plug into a subsea installation is provided. The method for removing the plug includes the steps of deploying an intervention package having at least one valve, pipe rams, and a lubricator into a subsea environment and lat... | 02/16/2012 |
| 20120018164 | CLAMP FOR A WELL TUBULAR A tubular clamp for gripping a tubular is disclosed. In one aspect, a tubular clamp for use with a cutting and lifting system is provided. The tubular clamp is configured to move between an opened position and a closed position. The tubular clamp further includes at lea... | 01/26/2012 |
| 20110226482 | Apparatus and Method for Separating a Tubular String from a Subsea Well Installation An apparatus for separating a tubular string from a subsea well installation. The apparatus includes a heave compensator tensioning the tubular string, a subsea actuator assembly positioned within the tubular string, a subsea controller in communication with the subsea ... | 09/22/2011 |
| 20110209875 | INSTALLATION FOR THE EXTRACTION OF FLUID FROM AN EXPANSE OF WATER, AND ASSOCIATED METHOD This installation comprises an upper structure (12), and a flexible hose (16) capable of moving through the expanse of water (11 B) between an upper connected configuration and a lower disconnected configuration. The installation comprises a lower structure (14) having ... | 09/01/2011 |
| 20110192609 | Retrievable Subsea Bridge Tree Assembly and Method A retrievable bridge is provided which mounts to the top of a subsea tree to provide fluid communication between the production line of the subsea tree and a production flowline. The retrievable bridge mounts to the top of the subsea tree and preferably connects to a ve... | 08/11/2011 |
| 20110088909 | STABPLATE CONNECTIONS A stabplate connection is provided by: providing a first part (1) comprising a stabplate and carried by an underwater structure; providing a second part (2) comprising a stabplate carried by tooling (4); engaging the tooling with said first part; us... | 04/21/2011 |
| 20110048726 | INTERNAL TREE CAP AND ITC RUNNING TOOL Internal tree cap (201) (ITC) adapted to be installed in the bore of a subsea well unit (301) or to an internal tubular element (303) of the same, comprising a locking element (209) for releasably locking the internal tree cap (201) to... | 03/03/2011 |
| 20090229830 | SUBSEA WELL PRODUCTION SYSTEM A subsea completion testing tree (SCTT) for connection in a tubular string includes a lower tree portion having a control valve; an upper tree portion separably connected to the lower tree portion at a latch; a circulation valve connected with the upper tree portion; an... | 09/17/2009 |
| 20080230229 | Method of Running a Tubing Hanger and Internal Tree Cap Simultaneously During the completion of a subsea horizontal tree, a tubing hanger and internal tree cap are run together with the same running tool and running string. The running tool has a linking assembly that connects the tree cap to the tubing hanger during running, retrieval, or... | 09/25/2008 |
| 20070289745 | Plug Setting and Retrieving Apparatus This invention relates to apparatus for setting a plug in, or retrieving a plug from, a horizontal xmas tree. The apparatus comprises a housing with a throughbore adapted to be releasably connected at a first end to a horizontal xmas tree, the housing including an at le... | 12/20/2007 |
| 20060196671 | 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 system is... | 09/07/2006 |
