Class 166/241.5 - For a wireline operation

Subclass of Class 166 - Wells
Definition: Apparatus in which the guide is peculiarly adapted to be
No. of patents: 55
Last issue date: 03/11/2008

«First «Previous1 2 Next»Last»

Number	Title	Issue Date
7341101	Enclosed radial wire-line cable conveying method and apparatus A relatively light weight wire-line conveyance mechanism capable of sustained high pressure incorporated into a wire-line riser set-up and configured to allow multiple radial bends without sheaves. The conveyance mechanism includes a tubular body structure capable o...	03/11/2008
7275594	Stab guide A tool string stab guide for axially aligning first tool string components with second tool string components is disclosed. The stab guide has a body with an axial length along a longitudinal axis with a first and a second section. The first section of the body adap...	10/02/2007
7252143	Method and apparatus for anchoring tool in borehole conduit A free point tool has at least one sensor to measure deformation of a stuck conduit in a borehole. A set of anchors is located adjacent to and on each side of the sensor. The anchors include anchor arms that move from a stowed position to an extended position. Each ...	08/07/2007
7249637	Method and device to clamp control lines to tubulars The inventions relates to an apparatus for connecting a control line to a tubular string. In one embodiment, the apparatus includes a guide boom pivotable around a location adjacent the string and with a guide member at an end thereof to guide the control line. The ...	07/31/2007
7225881	Passive logging sonde auger tool The auger is attached to a spiral gear and a spring, the apparatus then being connected to the downhole, leading end of the logging sonde. When the auger nose of the modified sonde assembly strikes any of various obstructions on the sidewall that cause it to lose mo...	06/05/2007
7188671	System, method, and apparatus for survey tool having roller knuckle joints for use in highly deviated horizontal wells A highly flexible, wireline survey tool has roller knuckle joints that enable the survey tool string to penetrate and survey horizontal wells having inclinations of about 80° and more from vertical. The survey tool string includes a nose, roller stems, roller knuck...	03/13/2007
7152466	Methods and apparatus for rapidly measuring pressure in earth formations Methods and apparatus for rapidly measuring pressure in earth formations are disclosed. According to a first embodiment of the apparatus, a probe is provided with a movable piston having a sensor built into the piston. According to a second embodiment of the apparat...	12/26/2006
7107154	Wellbore evaluation system and method A wellbore evaluation system evaluates mechanical wear and corrosion to components of a well system including a production tubing string positionable in a well and a sucker rod string movable within the production tubing string. A deviation sensor determines a devia...	09/12/2006
7090007	Centralizer for wireline tools A centralizer for use in oil well wireline toolstrings comprising a central mounting rod and floating spring mechanisms between which a number of jointed centralizer arms are connected. The jointed centralizer arms have a section with a concave profile disposed near...	08/15/2006
6978844	Filling and circulating apparatus for subsurface exploration A disclosure is provided describing a filling and circulating tool and method of use. The filling and circulating tool comprises a tubular housing having a first fluid passage and a longitudinal axis, a movable seal coupled to an exterior of the housing, the seal ad...	12/27/2005
6942033	Optimizing charge phasing of a perforating gun A technique that is usable with a subterranean well includes orienting shaped charges of a perforating gun to extend partially around a longitudinal axis of the gun. The perforating gun is oriented in the well to direct the shaped charges away from a water boundary....	09/13/2005
6926082	Wireline fishing safety sleeve A safety sleeve used with a wireline connection where the safety sleeve comprises an elongated body with an axial aperture formed along its axis. The wireline connection connects a severed wireline and can be comprised of a fishing spear and a fishing overshot. The ...	08/09/2005
6913084	Method and apparatus for controlling well pressure while undergoing subsea wireline operations Method and assembly for conducting wireline operations in a deep, subsea location. The method includes providing a rig on the surface of a body of water, having a riser extending from the rig floor to the sea floor; an annular preventer positioned on the end of the ...	07/05/2005
6827149	Method and apparatus for conveying a tool in a borehole A method for conveying a tool into a borehole with the use of a tool conveying apparatus includes deploying the tool conveying apparatus into the borehole, transmitting fluid through the tool conveying apparatus, the tool conveying apparatus generating power from th...	12/07/2004
6779598	Swivel and eccentric weight to orient a roller sub A downhole device, adapted for use in wireline or slickline application, is provided for incorporation into a downhole string and movement in a wellbore. The device comprises means to orient the device in a wellbore, and one or more conveying means arranged to engag...	08/24/2004
6702010	Apparatus and method for actuating arms In an apparatus and method for actuating arms used on a borehole data-logging tool to deploy measuring instruments against a borehole wall, a mandrel is provided. At least one arm carried by the mandrel is mounted to the mandrel to move between an expande...	03/09/2004
6609571	Remote sub-sea lubricator The present invention involves a remote sub sea lubricator assembly for inserting a wireline tool into a sub sea well comprising an elongated tube having an axial passage formed therethrough for receiving the wireline tool. The remote sub sea lubricator i...	08/26/2003
6269883	Disconnect tool A disconnect tool includes a housing that has a first segment and a second segment. A first collet is coupled to the first segment and has a first plurality of fingers, each of the first plurality of fingers is bendable between a first position in which t...	08/07/2001
6227292	Flexible sinker bar assemblies Apparatus for recovering logging tools and the like from a wellbore as part of a drilling operation such as for oil wells, irrigation systems and the like. The apparatus includes the use of a flexible connector member in the form of a flexible wire rope, ...	05/08/2001
6216779	Downhole tool actuator An apparatus for orienting a downhole tool relative to a borehole. The invention comprises a phase change material such as a shape memory metal engaged with the tool in an initial position which is activatable to move into an operating position relative t...	04/17/2001
6189621	Smart shuttles to complete oil and gas wells Smart shuttles are used to complete oil and gas wells. Following drilling operations into a geological formation, a steel pipe is disposed in the wellbore. The steel pipe may be a standard casing installed into the wellbore using typical industry practice...	02/20/2001
6167957	Helical perforating gun A perforating gun for use in underground wells where the gun includes a forward guiding element and a rearward conveyancing element. These two elements are interconnected by way of a series of bow springs. In the preferred embodiment, the springs are spir...	01/02/2001
6092593	Apparatus and methods for deploying tools in multilateral wells Improved apparatus and methods for deploying tools in multilateral wells are disclosed. Certain ones of the apparatus and methods include a downhole tool centralizer assembly for coupling to a downhole tool. The centralizer assembly has a tubular centrali...	07/25/2000
5797453	Apparatus for kicking over tool and method A device for use within a production conduit is disclosed. Generally, the device comprises a body attached to a work string. A deflection member, operatively attached to the body, is included for allowing the deflection of a body mandrel. An aligning spri...	08/25/1998
5535828	Wellbore system with retrievable valve body A system for inserting injection fluid into a stream of hydrocarbon fluid flowing through a wellbore formed in an earth formation is provided. The system comprises a production conduit for conveying the stream of hydrocarbon fluid through the wellbore to ...	07/16/1996
5507348	Apparatus for locking wire line instrument to drill collar An apparatus for supporting instrumentation in a drill collar in a well, such instrumentation being subject to travel in the well to and from the drill collar comprising instrumentation having upper and lower end portions and being elongated between the e...	04/16/1996
5355950	Centraliser A centralizer (1) is used for passing assemblies and tools through bores and tubular ducts in a centralized condition, especially in downhole operations in oil work. The centralizer comprises a body (2) including carrying means (3) pivotally supporting sw...	10/18/1994
5226333	Deep-well thermal flowmeter The flowmeter includes a planar wire grid immersed in the fluid flow perpendicular to the direction of fluid flow. Capacitors discharge an electrical current through the wire grid to heat the wire grid and thereby produce, by heat conduction, a thermopuls...	07/13/1993
5115863	Low turbulence rod guide A rod guide or centralizer for a reciprocating rod string which presents minimal resistance to the axial flow of well fluids. The guide offers minimum cross section and turbulence without loss of erodible volume. The guide may be molded on or fitted with ...	05/26/1992
5005642	Logging tool centralizer An apparatus for centralizing an elongated tool in a tubular member that provides a large centalizing force yet collapses easily when reaching an area of reduced diameter traveling in either direction. The apparatus has multiple pairs of arms, each arm ha...	04/09/1991
4957162	Device for anchoring a probe in a well by spreading mobile anchorage arms A device is provided for anchoring a probe in a well by remote control spreading, from the surface, of at least one anchorage arm kept in a closed position by a retractable bolt engaged in a rod connected to the anchorage arm by links. The external pressu...	09/18/1990
4898237	Probe and its multidirectional anchoring device in a well A probe and anchoring device for anchoring the probe and the well, with the probe having an axis parallel to a well axis and including a probe body supporting the anchoring device. The anchoring device is provided with two arms which are offset angularly ...	02/06/1990
4800752	Flow restricting logging tool and method A well-logging tool, for use within a well borehole for measuring a characteristic of a flowing fluid therein, is shown to include a housing and a spinner for measuring the flow rate of the fluid. The spinner is disposed within the housing. To divert the ...	01/31/1989
4790381	Centralizing devices for use in bore-holes A centralizing device for use down-well in maintaining a sensor or other operational tool in a location accurately centralized on the axis of the bore-hole irrespective of the angular orientation of the device and associated tool at any given location. Th...	12/13/1988
4776397	Tool for lowering into centered position within a well bore There is disclosed a tool which is adapted to be lowered and raised through a well conduit into and out of a centered position within a well bore beneath the lower end of the conduit. The tool has arms which are spring pressed toward outer positions for e...	10/11/1988
4624313	Well tool dislodgement apparatus A sleeve attachable to a tool to be lowered into an uncased well bore has at least one roller mechanism connected in longitudinal relationship therewith so that the roller mechanism is disposed beneath the tool as the tool is lowered into the well bore. T...	11/25/1986
4619322	Centralizing devices for use down-well A centralizing device for use down-well in maintaining an operational tool in a location accurately centralized in relation to the axis of the bore-hole irrespective of the angular orientation of the device and associated tool. The device comprises a shaf...	10/28/1986
4615386	Linear force centralizer A linear force centralizer adapted to be supported on a downhole tool is set forth. In the preferred and illustrated embodiment, the centralizer includes multiple sets of long and short arms extending outwardly to define a protruding knuckle, the knuckle ...	10/07/1986
4614250	Logging method and apparatus using a sonde equipped with measuring pads Dip measurements and investigation of geological formations traversed by a deviated borehole is carried out by means of an apparatus comprising a measuring sonde and a cartridge connected to a cable. The sonde carries four measuring pads regularly distrib...	09/30/1986
4595055	Centering apparatus A device for centering a tool forming a part of a tool string, inside a cased well, comprises a central bar suitable for being integrated in a tool string for lowering the tool inside the tubing, two slides which are slidable over a limited range of said ...	06/17/1986

«First «Previous1 2 Next»Last»

PatentStorm

Bizarre Patents

PatentStorm News

Class 166/241.5 - For a wireline operation