Class 166/358 - Drilling means

Subclass of Class 166 - Wells
Definition: Process or apparatus including means for forming a passageway.
No. of applications: 31
Last issue date: 06/30/2011

Application No.	Application Title	Issue Date
20110155386	Multi-Deployable Subsea Stack System Methods for deploying a subsea blowout preventer stack system comprising a lower marine riser package, a blowout preventer stack with a first ram blowout preventer, and an additional blowout preventer package releasably coupled to the blowout preventer stack and compris...	06/30/2011
20110114328	DOWNHOLE SWIVEL APPARATUS AND METHOD What is provided is a method and apparatus wherein a swivel can be detachably connected to an annular blowout preventer thereby separating the drilling fluid or mud into upper and lower sections and allowing the fluid to be displaced in two stages, such as while the dri...	05/19/2011
20110005769	ROTATING AND RECIPROCATING SWIVEL APPARATUS AND METHOD What is provided is a method and apparatus wherein a swivel can be detachably connected to an annular blowout preventer thereby separating the drilling fluid or mud into upper and lower sections and allowing the fluid to be displaced in two stages, such as while the dri...	01/13/2011
20100147526	METHOD AND A DEVICE FOR INTERVENTION IN AN UNDERWATER PRODUCTION WELL A method for intervention in an underwater production well, in which the well head (1) of the production well is located on the seabed (2), and wherein a drilling rig (26), which comprises at least a robotized drill floor (32), is placed at t...	06/17/2010
20090223715	CONDUCTOR PIPE STRING DEFLECTOR AND METHOD An apparatus for deflecting a tubular string preferably comprising at least one side nozzle near the lower end of a first tubular string. The nozzle permits passage of a fluid therethrough from the first tubular string bore and deflects the first tubular string in a sub...	09/10/2009
20090200036	Method for Subsea Hydrocarbon Recovery The invention relates to a method for subsea hydrocarbon recovery in which a wellbore is drilled using a base installed on the seabed, said base comprising a drilling guide, in which at least one pipeline is to be connected to a network for storage and/or processing ope...	08/13/2009
20090200037	METHOD AND ARRANGEMENT FOR REMOVING SOILS, PARTICLES OR FLUIDS FROM THE SEABED OR FROM GREAT SEA DEPTHS A method for removing soils, particles or fluids from the seabed or from great sea depths, includes positioning a platform or a vessel above an offshore location, lowering a riser from the vessel or platform to the seabed or great depth, the riser being vented to the at...	08/13/2009
20080219774	Offshore Structure Support A pile based braced caisson structural support device includes a number of legs. These legs are configured in a teepee type configuration such that the footprint of the base is larger than the footprint of the opposing end. This structural support can be used as a base ...	09/11/2008
20080105439	DOWNHOLE SWIVEL APPARATUS AND METHOD What is provided is a method and apparatus which can be detachably connected to an annular blowout preventer thereby separating the drilling fluid or mud into upper and lower sections and allowing the fluid to be displaced in two stages, such as while the drill string i...	05/08/2008
20070246221	DISPERSIVE RISERLESS DRILLING FLUID A method for drilling riserless that includes providing a drilling fluid to a drilling assembly for drilling a borehole on a seafloor, the drilling assembly comprising a drill string and a bottomhole assembly, and wherein the drilling fluid includes a brine, and a non-h...	10/25/2007
20070163782	DUAL-BOP AND COMMON RISER SYSTEM The disclosure is drawn to methods of drilling wells utilizing blow out prevention components of differing pressure ratings. In the initial drilling phase, a lower pressure rated blow out prevention component is used. In a subsequent drilling phase where a reservoir of ...	07/19/2007
20070125545	Method and apparatus for removing cuttings from drilling fluids A method and apparatus for recycling drilling fluids used in the drilling of wells is provided. The apparatus comprises a tank with a plurality of compartments. Used drilling fluid containing well cuttings or “solids” is pumped into a receiving compartment of the ta...	06/07/2007
20070095540	Apparatus and method for managed pressure drilling A drilling system employing a main tubular having a plurality of fluid inlet and outlet conduits positioned thereon and a concentric inner tubular having a plurality seals for sealing the annular space between the concentric inner and main tubulars. The fluid inlet and ...	05/03/2007
20060231262	Method and device for the removing subsea rocks and sediments Method and device for subsea removal of cuttings from a borehole by means of ejector (5), pump (3) and suction hose (6), the ejector (5) being powered by a pump (3) that is rigidly attached to ROV (2), said ejector (5) be...	10/19/2006
20060191716	Well drilling and production using a surface blowout preventer Production and drilling may be achieved by a system which uses a rotating head coupled to surface blowout preventer stack for fluid flow control. A casing connects these surface components to a subsea shutoff assembly with a pair of ram shear devices to cut off the stri...	08/31/2006
20060157252	Subsea riser disconnect and method A subsea riser disconnect assembly 10 may be actuated from a drilling rig DR by axial movement of an upper riser 35 relative to a lower riser 28, for disconnecting the upper riser 35 from the lower riser 28. A subsea riser valve assemb...	07/20/2006
20060118309	Seabed installation apparatus A seabed installation apparatus comprising a soil penetration means (2), a deployment line (4) from which the soil penetration means is suspended, a mooring line (6) attached to the soil penetration means, the mooring line being releasably secured t...	06/08/2006
20060065442	Method and system for installing and maintaining a pipeline while minimizing associated ground disturbance A pipeline installation and maintenance method and system is disclosed in which a number of interconnectible platform modules are assembled into drilling platforms from which a segmented pipeline route is flexibly installed. Using modified push/pull rigs to carry out a ...	03/30/2006
20060065402	Drilling system and method for controlling equivalent circulating density during drilling of wellbores A drilling system for drilling subsea wellbores includes a tubing-conveyed drill bit that passes through a subsea wellhead. Surface supplied drilling fluid flows through the tubing, discharges at the drill bit, returns to the wellhead through a wellbore annulus, and flo...	03/30/2006
20060054328	Process of installing compliant offshore platforms for the production of hydrocarbons To produce hydrocarbons from an offshore production site, a well is drilled into hydrocarbon bearing strata from a non-permanent floating vessel and is then capped. Keying off a template positioned on the well, a base unit is attached to the seabed by driving foundation...	03/16/2006
20060011348	Drilling and producing deep water subsea wells Subsea wells are drilled and completed with an offshore floating platform in a manner that allows simultaneous work on more than one well. A first well is drilled and casing. Then a tubing hanger is run through a drilling riser and landed in the wellhead housing. Then, ...	01/19/2006
20060005999	Methods and apparatus for drilling with a multiphase pump The present invention generally relates to an apparatus and method for removing hydrocarbons and other material from a wellbore. In one aspect, a method of drilling a sub-sea wellbore is provided. The method includes circulating a drilling fluid through a drill string f...	01/12/2006
20050217858	Apparatus and method of drilling with casing The present invention generally relates to methods for drilling a subsea wellbore and landing a casing mandrel in a subsea wellhead. In one aspect, a method of drilling a subsea wellbore with casing is provided. The method includes placing a string of casing with a dril...	10/06/2005
20050199423	High frequency pressure compensator A downhole pressure compensation system includes a seal housing disposed in a downhole tool, a dynamic seal disposed on the seal housing, wherein the dynamic seal seals around a part that is allowed to move relative to the seal housing, and a flexible membrane disposed ...	09/15/2005
20050126790	Method for using a multipurpose unit with multipurpose tower and a surface blow out preventer A method of drilling and completing an underwater well entails installing conductor casing from a floating vessel into a seabed; drilling a bore through the conductor casing to a defined depth in the seabed; and installing surface casing through the conductor casing. A ...	06/16/2005
20050103525	Method and device for liner system Method for drilling and lining a well wherein at least one liner (1, 2, 32) with a larger external diameter than the substantial part of a drilling riser (10) is pre-installed at a point below the substantial part of the drilling riser (10). A bore ...	05/19/2005
20050092497	Blow out preventer transfer platform An offshore well drilling assembly includes a drilling facility or support platform for location at sea. A drilling platform connects to the support platform so the drilling platform is cantilevered from the support platform. The drilling platform extends from the suppo...	05/05/2005
20050092522	Underbalanced well drilling and production Underbalanced production and drilling may be achieved by a system which uses a rotating head coupled to surface blowout preventer stack for fluid flow control. A casing connects these surface components to a subsea shutoff assembly with a pair of ram shear devices to cu...	05/05/2005
20050077048	Downhole tubular splitter assembly and method A splitter assembly 10 is positioned downhole within a conductor 50 for separating two or more tubular strings placed within the conductor. A splitter housing may include a first bore 26 and a second bore 28 for separating a first well from a...	04/14/2005
20050061546	Method for pressurized mud cap and reverse circulation drilling from a floating drilling rig using a sealed marine riser A method for drilling in the floor of an ocean from a floating structure using a rotatable tubular includes a seal housing having a rotatable seal connected above a portion of a marine riser fixed to the floor of the ocean. The seal rotating with the rotating tubular al...	03/24/2005
20050061513	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. Changes ...	03/24/2005

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Class 166/358 - Drilling means