U.S. patents available from 1976 to present.
U.S. patent applications available from 2005 to present.

Icon_funbox Bizarre Patents

Patent No. 5971829

Motorized Ice Cream Cone

A Receptacle for supporting, rotating and sculpting a portion of ice cream or similarly malleable food while it is being consumed.

Newsletter  PatentStorm News

Make the Most of Our Site

See this month's Top Inventors and Most Cited Patents.

Stay on top of the latest innovations by subscribing to an RSS feed.

Registered users: Manage your profile.

 

Class 166/358 - Drilling means


Subclass of Class 166 - Wells
Definition: Process or apparatus including means for forming a passageway.
No. of patents: 111
Last issue date: 05/15/2012


    3  
NumberTitleIssue Date
5419398Drive system for turning a swivel
A system for turning a swivel aboard a vessel for oil extraction at sea includes a stationary swivel part connected to a rotary drilling rig on the vessel and one or more rotating parts connected to the vessel. The rotating swivel parts are connected to a...
05/30/1995
5379844Offshore platform well system
A well system, and a method for installing the well system, for use in producing hydrocarbons from a subterranean reservoir located beneath a body of water is disclosed. The well system is intended for use in conjunction with a bottom-founded offshore pla...
01/10/1995
5325714Steerable motor system with integrated formation evaluation logging capacity
A steerable motor system with integrated formation evaluation logging capacity is presented. The device comprises a housing, a formation resistivity logging tool, a surface signaling device, a density logging tool, a porosity logging tool and a downhole m...
07/05/1994
5316089Method and apparatus for drilling a subsea well
A method of drilling a subsea well involves partial drilling of several wells within a cluster. A base such as a template will have a receptacle. A gimbal mounts to a latching mechanism which in turn releasably latches an outer wellhead housing. The latch...
05/31/1994
5211228Diverter system
There is disclosed a system for use in drilling subsea wells from platforms wherein drilling fluids may be diverted at either of two levels beneath the rotary table of the platform....
05/18/1993
5184686Method for offshore drilling utilizing a two-riser system
A method for drilling offshore wells in deep water with greater safety and with fewer casing strings, maintaining a maximum diameter wellbore in the early stages of drilling to facilitate casing operations in and beyond deviated sections, and providing fu...
02/09/1993
5044450Spar-buoy boring derrick and mooring facility
A spar-buoy type boring device including a main pipe and a central pipe installed in the main pipe. The main pipe, which has a service deck at the top and a float near the top so that the float stays underneath the water, is anchored at the bottom to a si...
09/03/1991
4913238Floating/tensioned production system with caisson
A floating/tensioned production system for use in deepwater drilling and production operations generally combining a relatively small tension leg platform with a semisubmersible platform. The semisubmersible platform is provided with a working deck suppor...
04/03/1990
4901803Method and equipment for performing drilling operations and servicing in an underwater well from a floating surface installation
Apparatus for performing drilling operations and for servicing an underwater well from a surface installation comprises a main string that is removable from the top of the wellhead in a way that is totally independent of auxiliary hoses which are hoses su...
02/20/1990
4832126Diverter system and blowout preventer
A system is disclosed which may alternatively be used as a diverter or as a blowout preventer for a drilling rig. The system comprises a blowout preventer attached above a spool having a hydraulically driven sleeve/piston. An outlet flow passage in the sp...
05/23/1989
4813495Method and apparatus for deepwater drilling
A method and apparatus for drilling subsea wells in water depths exceeding 3000 feet (preferably exceeding 4000 feet). Drilling mud returns are taken at the seafloor and pumped to the surface by a centrifugal pump that is powered by a seawater driven turb...
03/21/1989
4702321Drilling, production and oil storage caisson for deep water
A drilling, production and oil storage caisson for use in deep water offshore well operations in which the caisson has such a deep draft that its bottom end is subject only to minimal excitation forces caused by wave, wind and current acting on the caisso...
10/27/1987
4681173Method and apparatus for drilling a group of subsea wells
Conductor guides for use in drilling wells in an offshore body of water wherein the wells are positioned in close proximity one to the other. A first clamping member is removably attached to a well which includes a conductor or well head protruding theref...
07/21/1987
4658903Method for handling wellhead assembly
A method for handling an underwater wellhead assembly by means of an offshore jack-up drilling rig or platform wherein the wellhead assembly is prepared on the shore or quay and is carried on the drilling rig to a preselected drilling location and lowered...
04/21/1987
4633953Method for offshore production of hydrocarbons concurrently with the installation of a structure therefor
A method is provided for producing usable hydrocarbon product from an offshore reservoir. The method includes the economically desirable step of producing a valuable hydrocarbon product from the formation, soon after its being discovered. The product is t...
01/06/1987
4625806Subsea drilling and production system for use at a multiwell site
A subsea drilling and production system where the production unit is removably connected onto a drilling template and operatively connected to one or more Christmas trees so that the production unit may be disconnected from the trees and removed from the ...
12/02/1986
4611662Remotely operable releasable pipe connector
A remotely releasable pipe connector is described and comprises a first tubular connector or "pin connector" having at least one laterally extending locking member, and a slotted second tubular connector or "box connector" cooperatively disposable over th...
09/16/1986
4597448Subsea wellhead system
The subsea wellhead system includes a wellhead, a housing seat disposed in and connected to the wellhead, a casing hanger supported by the seat, a holddown and sealing assembly in the annulus between wellhead and hanger, a running tool attached to the han...
07/01/1986
4492270Method of installing and using offshore well development and production platforms
A development and production facility for an offshore oil or gas field is constructed and drilling of wells is performed using a jack-up drilling platform in an improved manner. The facility is composed of a development well platform and a production plat...
01/08/1985
4060140Method and apparatus for preventing debris build-up in underwater oil wells
An improved method and apparatus for preventing buildup of cuttings or debris in underwater oil wells. The apparatus includes a drilling tool in the form of a primary tubular member having an internal diameter a predetermined amount greater than the exter...
11/29/1977
4014567Apparatus for coupling pipe or the like
Apparatus for connecting the ends of pipes or the like. The apparatus includes a pair of coupling members, each being mountable at one end thereof to the end of one of the pipes which are to be connected. One of the coupling members has attached at the ot...
03/29/1977
3999617Self-supported drilling riser
Apparatus and method for drilling a well into a submerged bottom from a floating drilling vessel while employing a riser pipe having positive buoyancy is disclosed. The riser pipe extends between the vessel and the well and is comprised of an upper and a ...
12/28/1976
3996755Tension leg structure with riser stabilization
A tension leg marine structure or working platform which is floatably positioned above an offshore working site, being maintained in place by a plurality of tension cables that connect to anchors at the sea floor. A riser which extends between the structu...
12/14/1976
3996756Method and apparatus for supporting a drilling platform on the ocean floor
A method and apparatus for positioning and supporting a drilling platform on the ocean floor in which the drilling platform is a monopod structure with a broad flat base. The ocean floor is dredged to form a large level area depressed below the mudline. A...
12/14/1976
3988898Pipelines and marine platforms
A marine platform is described incorporating a submerged buoyancy chamber which is anchored to drilled piles in the sea bed by cables. Each anchorage point lies inside a working chamber mounted on the pile to enable workmen inside the chamber to release t...
11/02/1976
3987639Methods and apparatus for installing a drill conductor from an offshore tower
A drill conductor is installed into a water bed from an offshore tower situated in a body of water by lowering the conductor from a deck portion of the tower along a straight path which is inclined relative to vertical until the bottom end of the conducto...
10/26/1976
3987638Subsea structure and method for installing the structure and recovering the structure from the sea floor
A structure or template forms a tubular support structure for subsea equipment used in drilling and producing offshore oil and/or gas wells. The template contains production manifolding, remote and safety shut-in control, pump-separator, and pipeline conn...
10/26/1976
3982401Marine structure with detachable anchor
Semisubmersible marine structure for operation in offshore waters, comprising a work deck which is supported by a buoyant substructure. The latter includes a separably connected anchor unit which can be controllably lowered to the floor of the offshore si...
09/28/1976
3981369Riser pipe stacking system
An offshore drilling rig that embodies a means for vertical stacking of riser pipe sections and blowout preventors below a derrick floor and includes riser pipe manipulating mechanisms for transporting units in a vertical condition between a storage area ...
09/21/1976
3973635Method and apparatus for offshore drilling operations
A one-step method and apparatus for placement of a drilling guide base, running tool, and drill string during offshore drilling operations. The running tool is retrievable from the guide base leaving the drill string in position to commence drilling opera...
08/10/1976
    3  
 
Sign InRegister
Username  
Password   
forgot password?