Class 166/73 - Tubing or casing actuated

Subclass of Class 166 - Wells
Definition: Devices comprising a tubing or casing which is moved by
No. of patents: 35
Last issue date: 06/30/2009

Number	Title	Issue Date
7552761	Method and system for wellbore communication A communication system for a casing while drilling system is provided. The casing while drilling system is adapted to advance a bottom hole assembly into a subsurface formation via a casing. The communication system comprises a high frequency modulator and a transdu...	06/30/2009
7111873	Slide coupling fitting for connecting conduits A slide coupling fitting for connecting a tubular conduit and the method of use are provided. The fitting includes a tubular body, two opposing open ends, and an external threaded section on an exterior of the tubular body adjacent to each open end; and two tubular ...	09/26/2006
7073594	Wireless downhole well interval inflow and injection control An apparatus and methods of electrically controlling downhole well interval inflow and/or injection. The downhole controllable well section having a communications and control module, a sensor, an electrically controllable valve and an induction choke. The electrica...	07/11/2006
6958704	Permanent downhole, wireless, two-way telemetry backbone using redundant repeaters A system and method of communicating among devices via a piping structure using at least one induction choke about the piping structure to route a time-varying current carrying communication signals between the devices. A communications system comprises a piping str...	10/25/2005
6868040	Wireless power and communications cross-bar switch A petroleum well for producing petroleum products that incorporates a system adapted to controllably route communications and/or electrical power having a time-varying current through a piping structure in the well, and methods of producing petroleum products use su...	03/15/2005
6851481	Electro-hydraulically pressurized downhole valve actuator and method of use A petroleum well having a communication system and a hydraulic system is provided. The petroleum well includes a borehole and a piping structure positioned within the borehole. The communication system supplies a time varying electric current downhole along the pipi...	02/08/2005
6847585	Method for acoustic signal transmission in a drill string The present invention is a method of transmitting one or more acoustic signals in a drill string using PSK, ASK, FSK or MSFK. The method includes determining one or more stopbands and one or more passbands by testing or modeling the drill string. Two modulating freq...	01/25/2005
6820690	Technique utilizing an insertion guide within a wellbore A technique for facilitating the use of a variety of completion elements in a wellbore environment. The technique utilizes an insertion guide disposed within an open-hole section of a wellbore. The insertion guide may be radially expanded towards the surrounding for...	11/23/2004
6779605	Downhole tool deployment safety system and methods A safety system controls the activation of one or more downhole tools by providing selective transmission of an activation signal or an energy stream. In a preferred embodiment, transmission of the activation signal or the energy stream is allowed after the tool has...	08/24/2004
6633236	Permanent downhole, wireless, two-way telemetry backbone using redundant repeaters A system and method of communicating among devices via a piping structure using at least one induction choke about the piping structure to route a time-varying current carrying communication signals between the devices. A communications system comprises a...	10/14/2003
6557639	Apparatus and method for pumping fluids for use with a downhole rotary pump An apparatus and method for pumping fluids in a wellbore. The apparatus includes a pipe string in the wellbore extending between a wellhead end and a production end, the pipe string defining an interior fluid path. A swivel device is connected into the pi...	05/06/2003
6318471	Method for installing tubular members axially into the earth A method is disclosed for installing a tubular member, having an upper end and a closed lower end, axially into and through an over-pressured region of the earth by using a mandrel to drive the tubular member from near the bottom, which results in a signi...	11/20/2001
6250395	Apparatus system and method for installing and retrieving pipe in a well Pipe used in drilling and/or completing wells is stored in long rectilinear segments or strings in the space adjacent a drilling rig being used to construct a well. The pipe is introduced into the well, or extracted from the well, in long segments made up...	06/26/2001
6102119	Method for installing tubular members axially into an over-pressured region of the earth A method is disclosed for installing a tubular member, having an upper end and a closed lower end, axially into and through an over-pressured region of the earth by using a mandrel to drive the tubular member from near the bottom, which results in a signi...	08/15/2000
5553667	Cementing system A new cementing system has been developed which includes, in certain embodiments, a plug container with a flow diverter for diverting a portion of flowing fluid away from plugs in the plug container; a plug set system with internal sleeves or dart receive...	09/10/1996
5431230	Slant wellbore tubing anchor catcher with rotating mandrel A crooked, slanted, cased wellbore extends downhole to a pay zone which is produced by a rod actuated downhole pump that lifts fluid from the bottom of the wellbore up through a tubing string to a wellhead. The pump is seated in a pump cavity, and the tub...	07/11/1995
5431221	Jar enhancer There is disclosed a tool for enhancing the impact of a jar delivered to an object stuck in a well bore during both upward and downward jars to the stuck object. The tool includes a first tubular member having an lower end connectible to the tubular membe...	07/11/1995
5327975	Tubing anchor catcher with rotating mandrel A cased wellbore extends downhole to a pay zone which is produced by a rod actuated downhole pump that lifts fluid from the bottom of the wellbore up through a tubing string to a wellhead. The pump is seated in a pump cavity, and the tubing string is tens...	07/12/1994
5220962	Pump apparatus for pumping well fluids from a wellbore having low formation pressure A new pump or injection apparatus is adapted to be connected between a pipe and a valve and is adapted to either pump well fluids from a wellbore or inject fluids into a formation traversed by the wellbore. The valve includes a full bore passage and a sur...	06/22/1993
5219028	Well casing and well casing method The present invention provides a preperforated casing for a well bore and a method of installing a preperforated casing in a well bore. The inventive casing comprises (a) a conduit having a plurality of apertures extending through the wall thereof and (b)...	06/15/1993
5139090	Tubing rotator with downhole tubing swivel A cased wellbore extends downhole to a pay zone which is produced by a rod actuated downhole pump that lifts fluid from the bottom of the wellbore up through a tubing string to a wellhead. The pump is seated in a pump cavity. The tubing string is tensione...	08/18/1992
5111883	Vacuum apparatus and process for in-situ removing underground liquids and vapors An apparatus 10 for removing underground contaminants from a contaminated subsurface area 16 is provided. The apparatus 10 includes a wellbore 12 aligned in the contaminated subsurface area for releasing predetermined substances into selected areas of the...	05/12/1992
5029644	Jetting tool An apparatus for hydraulically jetting a well tool having a sliding member includes a positioning tool for operably engaging the sliding member, and a jetting tool connected at a rotatable connection to the positioning tool. The jetting tool is thus rotat...	07/09/1991
4905958	Blowout preventer A blowout preventer, particularly for use in drilling bore hole sections near the sea bed, is adapted to prevent blowout of shallow gas in the bore hole. It comprises at least one annular, preferably flexibly expansible and contractible packing element (5...	03/06/1990
4886121	Universal flexbowl wellhead and well completion method A new wellhead housing structure which utilizes identical units of a unique wellhead housing of selected internal diameter and pressure rating. Each wellhead housing utilizes a new flexible bowl ("flexbowl") hanger support ring which may be installed and ...	12/12/1989
4691770	Well casing packer An expanding nipple, externally mounted packer has a body which mounts onto a casing head by way of a tubing spool or the like. The body contains the upper ends of a pair of concentric mandrels which are lowered into the well casing. The outer mandrel has...	09/08/1987
4625799	Cleaning tool An apparatus for pressurized cleaning of flow conductors. The apparatus utilizes a control slot formed in a zig-zag pattern and a pin which travels in the slot. The slot and pin assist in indexingly rotating the nozzle section of the apparatus when the ap...	12/02/1986
4565245	Completion for tar sand substrate Method and apparatus for recovering hydrocarbons from a subterranean formation in which a well completion, including a well liner, lies in a generally horizontal disposition within the hydrocarbon productive substrate. The liner encloses conductor means f...	01/21/1986
4441557	Method and device for hydraulic jet well cleaning A method for cleaning well liners employing a jet carrier assembly having a plurality of jet nozzles spaced along its length each of said nozzles expelling a stream of fluid against the liner. The jet carrier is rotated at a specified rotational speed and...	04/10/1984
4403654	Torque transmitting expansion joint and a hanger assembly incorporating same A hanger assembly for use in a subterranean well incorporates a torque transmitting expansion joint providing a selectively adjustable extent of axial contraction. The expansion joint essentially comprises a telescopic inter-relationship of two sleeve ass...	09/13/1983
4391326	Stinger assembly for oil well tool A stinger assembly for use in releasably connecting an upper section of a tubing string to a tool in a well includes a mandrel with a master cam slot formed therein to define upper and lower support shoulders. An indexable collar telescoped on the mandrel...	07/05/1983
4349073	Hydraulic jet well cleaning A jet carrier assembly for cleaning well liners has a jet tool stabilized by a centralizer proximate to each of the tool's upper and lower ends. The jet tool is an elongate member having about 4 to 8 pairs of jet nozzles axially spaced therebetween, the a...	09/14/1982
4293936	Telemetry system A telemetry system for transmitting data between a downhole location in a wellbore and the surface of a well utilizing an acoustic signal which operates within naturally occurring passbands on a string of pipe have substantially fixed frequency ranges whi...	10/06/1981
4084648	Process for the high-pressure grouting within the earth and apparatus adapted for carrying out same This invention concerns with a high pressure grouting process. For lateral cutting of earth in the ground, a high speed core water jet, having its injection velocity equal to at least a half of the sonic one and surrounded by an air ring jet is used. For ...	04/18/1978
4051894	Single string hanger system Apparatus for adjusting the distance between a lower tubing hanger anchored in a well casing to support a depending lower tubing string, and an upper tubing hanger at the well head, in which an adjustable spacer device has its lower end connected to the l...	10/04/1977

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Class 166/73 - Tubing or casing actuated