Patent application number | Description | Published |
20080277122 | Apparatus and a Method For Deployment of a Well Intervention Tool String Into a Subsea Well - The present invention regards an apparatus and a method for subsea deployment and/or intervention through a wellhead ( | 11-13-2008 |
20090115624 | COMMUNICATION SYSTEM FOR COMMUNICATION WITH AND REMOTE ACTIVATION OF DOWNHOLE TOOLS AND DEVICES USED IN ASSOCIATION WITH WELLS FOR PRODUCTION OF HYDROCARBONS - A system for communicating with downhole tools and devices is disclosed. The system includes multiple communication devices which, in combination, permit operators at the surface to operate downhole tools and to receive feedback regarding the state of the tools. | 05-07-2009 |
20100307773 | METHOD AND AN APPARATUS FOR CONTROLLING A WELL BARRIER - The disclosure relates to a method for controlling a well barrier ( | 12-09-2010 |
20100307774 | DEVICE AND METHOD FOR ISOLATING A SECTION OF A WELLBORE - The present disclosure relates to a device and a method for isolating a section of a wellbore, the device including a straddle packer ( | 12-09-2010 |
20110049901 | A DEVICE AND A METHOD FOR DOWNHOLE ENERGY GENERATION - The present disclosure relates to a downhole electrical energy generating device ( | 03-03-2011 |
20140090832 | Mandrel Arrangement and Method of Operating Same - A mandrel arrangement is for use in a wellbore tubing. A method is for using the same. A mandrel body houses at least one piston, the at least one piston being movable in relation to the mandrel body between a first position and a second position by a fluid force acting on the piston. A cavity is arranged adjacent the piston for communicating wellbore fluid pressure between the wellbore tubing and the piston. The cavity is provided with drainage means for facilitating removal of any particles present in at least a lower portion of the cavity. | 04-03-2014 |
20140262299 | EQUALIZED HYDROSTATIC BAILER - The present invention relates to an apparatus and a method for collecting debris in a wellbore. The apparatus includes a housing for receiving debris defined by an endless wall portion, first and second end portions, at least the second end portion is provided with at least one closable aperture allowing one-way flow of debris into the housing, a releasable sealing device for holding a volume of a first fluid within the housing, the volume of the first fluid having a lower pressure than ambient wellbore pressure; a retaining device for initially holding the releasable sealing device in a first portion; a releasable sealing device to move from the first position to a second position, whereby debris is entered through the closable aperture into the housing, where said volume of first fluid is reduced, at least one conduit defined by an inlet and an outlet, the outlet being in the second end portion being submerged in the debris when the apparatus collects debris, the inlet in fluid communication with a pressurized second fluid contained in a chamber upon release of a valve. | 09-18-2014 |
20140326470 | Well Completion Arrangement and a Method for Preparing a Well for Abandonment - A well completion arrangement and method is for removing at least a portion of a line running in an annulus between a tubing and a casing in a well. The arrangement comprises
| 11-06-2014 |
20140352976 | Method And An Apparatus For Retrieving A Tubing From A Well - The present invention relates to a method and an apparatus for retrieving a tubing from a well at least partly filled with a liquid. The tubing having a first end portion and a second end portion. The method including the steps of (a) running a retrieval apparatus using a connecting means from a surface and into the well, the retrieval apparatus including: an engagement means for engaging the tubing; a sealing means for sealing a portion of the bore of the tubing; injection means for injecting a low density fluid into the tubing, (b) connecting the engagement means to a portion of the tubing; (c) activating the sealing means to close liquid communication in the bore of the tubing between the first end portion and the second end portion; (d) replacing at least a portion of a volume of liquid defined by the sealing means, the tubing and the second end portion (B-B′) of the tubing by a low density fluid introduced in said volume by the injection means; and (e) retrieving the tubing out of the well using the connecting means. | 12-04-2014 |