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| Number | Title | Issue Date |
| 7503391 | Tieback connector A tieback connector for attaching a riser to a subsea production assembly is provided. The tieback connector includes a main body adapted to be coupled to the subsea production assembly having a central passageway sufficiently large to pass an end of the riser strin... | 03/17/2009 |
| 7467663 | High pressure wellhead assembly interface A wellhead assembly with high pressure interface is provided. The wellhead assembly includes a tubing spool that connects the wellhead to a BOP and a casing hanger that is landed in the wellhead and connected thereto. The wellhead assembly further includes a gasket ... | 12/23/2008 |
| 7407020 | Rotating systems associated with drill pipe Methods and apparatuses for drilling a borehole are disclosed. An electric motor electrically and mechanically coupled to a wired drill pipe is provided. The electric motor couples to a shaft that rotates when power is supplied to the electric motor. The shaft is co... | 08/05/2008 |
| 7392135 | Adaptive equalization of downhole acoustic receivers Methods and apparatus are provided for reducing and/or substantially eliminating sensitivity mismatch of acoustic receivers used with acoustic sources to determine acoustic properties of geologic formations as a logging tool traverses the formations. Methods are dir... | 06/24/2008 |
| 7370701 | Wellbore completion design to naturally separate water and solids from oil and gas A wellbore completion design is provided, which creates a convective flow action that separates water and sand from hydrocarbons during production of the hydrocarbons from a subterranean formation. A deviated section of the wellbore creates the desired effect. The w... | 05/13/2008 |
| 7347284 | Apparatus and method for hard rock sidewall coring of a borehole The present invention is directed to an apparatus and method for coring a borehole in a hard rock sidewall of a well bore in a subterranean formation for testing purposes. The apparatus includes a drive motor for operation down hole, a flexible drive shaft coupled t... | 03/25/2008 |
| 7331396 | Subsea production systems A subsea production system is disclosed. The subsea production system may comprise a well head, a tubing spool, a tubing hanger, an annulus, a production tree, and a bypass flow path. ... | 02/19/2008 |
| 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 |
| 7308902 | Subsea valve assembly with replaceable fixed orifice insert The present invention is directed to an subsea valve assembly having a fixed orifice insert that can be removed and replaced using a remotely operated vehicle (ROV). The valve assembly includes a removable orifice insert holder and a threaded receptacle housing into... | 12/18/2007 |
| 7284616 | Selectively retrievable wear bushing for subsea or surface applications The present invention is directed to an assembly for installing and selectively retrieving a wear bushing in the bore of a subsea or surface wellhead. The assembly includes a bit sub, which is adapted for attachment to a drill string, a drill string adapter removabl... | 10/23/2007 |
| 7195225 | Rotary valve assembly The present invention is directed to rotary valve assemblies and, more particularly, to a rotary valve assembly for use in an oil and gas production system. The valve assembly comprises a movable actuator sleeve movable in response to hydraulic pressure and at least... | 03/27/2007 |
| 7131958 | Placental blood collection line including a rinsing bag The invention relates to a placental blood collection line including a collection bag (1) in fluid communication with at least one collection needle (4, 5) via a first tube (2) associated with an inlet orifice (3) of the bag (1), s... | 11/07/2006 |
| 7048709 | Bag provided with means for the temporary association of a filter The disclosure includes a flexible bag (1) intended to receive a biological fluid with a view to its centrifugation. The bag includes an external enclosure (2) formed by two sheets of flexible plastic (3, 3′) connected at their periphery (4... | 05/23/2006 |
| 7046112 | Logging tool induction coil form The present invention is directed to a logging tool induction coil form having a coating layer, which is easy to form to tight tolerances, bonded to at least a portion of the outer surface of the ceramic hollow cylindrical core. A plurality of parallel circumferenti... | 05/16/2006 |
| 6898529 | Method and system for determining parameters inside a subterranean formation using data sensors and a wireless ad hoc network The present invention is directed to a method and system for determining parameters inside a subterranean formation. In accordance with the present invention, a plurality of wireless data sensors are injected into the pores or fractures of a subterranean formation. ... | 05/24/2005 |
