Matches 1 - 50 out of 117 1 2 3 >


Match Document Document Title
US20140202699 System and Method for Removing Debris from a Downhole Wellbore  
A method for removing fines and debris from a downhole wellbore in a formation, including introducing a tubing string having a downhole debris removal tool disposed substantially near the lower...
US20120090843 HYDRAULIC JAR  
The invention relates to oil and gas industry and can be used in well drilling as a part of a Bottom Hole Assembly (BHA) to releasing stuck tools or equipment by applying axial and torque impacts....
US20150114644 Compression-Actuated Multi-Cycle Circulation Valve  
A downhole tool conveyed via tubing within a wellbore at a wellsite comprises a hydraulic tool driven by fluid pumped to the hydraulic tool via the tubing. The downhole tool further comprises a...
US20130153227 Slickline or Wireline Run Hydraulic Motor Driven Mill  
A tool is run in with a bottom hole assembly that includes a seal and support within the tubing where a fish is to be milled. A ported sub allows pressurized fluid pumped from the surface to enter...
US20090151951 Adjustable Diameter Fishing Tool  
A technique utilizes a fishing tool that enables fishing operations for retrieval of well tools that may have a variety of sizes and configurations. The fishing tool is adjustable to enable...
US20120145395 HEAVY DUTY ROPE SOCKETS AND RELATED METHODS  
A rope socket comprises a slip cone subassembly having a straight outer diameter and a tapered inner diameter. A plurality of slips is positioned within the slip cone body. A retainer ring holds...
US20070267196 Downhole activated packer plug magnetic debris tool  
A downhole magnetic debris tool is disclosed that may be connected to the bottom of a packer isolation plug. The downhole magnetic debris tool may include a magnetic shield assembly that shields...
US20130025865 WELLBORE KNOCK-OUT CHAMBER AND RELATED METHODS OF USE  
Disclosed is a downhole knock-out tool (900) for use in a tubing string (702) with a power head (704) for creating reverse flow. The tool has a cylindrical housing (910) with an inner tube (920)...
US20120285686 Downhole Rotational Vibrator  
A jarring device includes an outer housing which defines an axial flow path therethrough. An impact rotator is retained within the housing and is rotatable therewithin between a first rotational...
US20110226478 Wellbore Plug and Method  
A wellbore plug and method for retrieving two or more wellbore plugs simultaneously from the wellbore. The wellbore plug can be actuated to an open position and released from engagement in the...
US20140069649 ASSEMBLY AND METHOD FOR WIDE CATCH OVERSHOT  
A grapple for use in an overshot has a tension ring with a reduced helix diameter but the helix diameter is not reduced on either sides of the control finger slot. One embodiment includes...
US20110114317 ASSEMBLY AND METHOD FOR WIDE CATCH OVERSHOT  
A grapple for use in an overshot has a tension ring with a reduced helix diameter. However, the helix diameter is not reduced on either sides of the control finger slot to allow the grapple to...
US20090266544 SIGNAL OPERATED TOOLS FOR MILLING, DRILLING, AND/OR FISHING OPERATIONS  
Embodiments of the present invention generally relate to signal operated tools for milling, drilling, and/or fishing operations. In one embodiment, a mud motor for use in a wellbore includes: a...
US20120048553 FISHING TOOL AND METHOD  
A fishing tool includes a grapple and an exciter in vibration transmissive communication with the grapple and method.
US20140360724 Wireline Hydraulic Driven Mill Bottom Hole Assemblies and Methods of Using Same  
A bottom hole assembly for engaging and removing an object within a wellbore comprises a cutting tool at a lower end. Continued engagement of the cutting tool with the object is facilitated by an...
US20090260822 BACKOFF SUB AND METHOD FOR REMOTELY BACKING OFF A TARGET JOINT  
A backoff sub includes a housing; and a backoff facilitator at least partially within the housing and capable of adding energy to a system within which the sub is disposable and method.
US20090145605 Staged Actuation Shear Sub for Use Downhole  
A shear assembly used downhole to actuate a work string function includes a dampening subassembly to dampen the momentum of moving parts following shearing to avoid excessive acceleration and...
US20110146990 BACKOFF SUB AND METHOD FOR REMOTELY BACKING OFF A TARGET JOINT  
A backoff sub includes a housing; and a backoff facilitator at least partially within the housing. Capable of adding energy to a system within which the sub is disposable. A method for managing a...
US20120186818 Sucker Rod Coupling and Method of Wear Prevention in Driven Rotation of a Sucker Rod String in Production Tubing  
A sucker rod coupling features a coupler unit having internally threaded coupling sections at opposite ends for engaging sucker rod pins and one or two outer members extending about the coupler...
US20150129220 PUMP ACTUATED JAR FOR DOWNHOLE SAMPLING TOOLS  
An apparatus configured to impart a force on a downhole component, having a piston configured to expand from a movement of a drilling fluid in a downhole environment, a weight configured to move...
US20130092378 SELECTIVELY FIRED HIGH PRESSURE HIGH TEMPERATURE BACK-OFF TOOL  
A method for unseating a threaded connection of wellbore tubing within the wellbore. The method utilizes a back-off tool which consists of a tubular metal housing, a shaped charge and HNS...
US20090242203 TOGGLE OVERSHOT  
An overshot includes a sleeve. A coupling member having a latched state and an unlatched state is disposed at a first end of the sleeve. A load-responsive toggle mechanism for alternating the...
US20120037369 FISHING TOOL  
Fishing tools for retrieving objects, i.e., “fish,” lodged within a wellbore are disclosed. The fishing tool comprises a tubular member having a tubular member bore with at least one profiled...
US20110297380 SELECTIVE CONTROL OF CHARGING, FIRING, AMOUNT OF FORCE, AND/OR DIRECTION OF FORCE OF ONE OR MORE DOWNHOLE JARS  
Methods of jarring include communicating between a surface command device and jars in a drill string, the drill string composed of spaced apart jars positioned in a corresponding plurality of...
US20080185151 Hydrocarbon production system and method of use  
The purpose of the method of the present invention is to provide an improved method and an improved apparatus, to displace light, medium, or viscous hydrocarbon fluid, which may be contaminated...
US20120118571 Tool for recovering junk and debris from a wellbore of a well  
A downhole tool incorporates a junk catcher with full body casing drift. It is made of an inner tubular member that conveys the hydraulic power or circulating fluid to rearward and outward facing...
US20150075794 Nozzle Assembly  
A nozzle assembly including a nozzle. The nozzle has an elongated body. The elongated body has a nozzle end at one end and a connection portion at another end. A joint section is connected with...
US20080251254 Devices and methods for translating tubular members within a well bore  
Devices and methods for translating tubulars within a wellbore and, as a result, effectively freeing a stuck tubular string within a wellbore. One or more vibrator devices are incorporated into a...
US20150114643 WIRELINE DOWN JAR  
A jar assembly for use downhole includes a housing, a piston assembly slidable within and selectively coupled to the housing, a mandrel assembly coupled on a lower end of the piston assembly, and...
US20120298365 Compact Jar for Dislodging Tools in an Oil or Gas Well  
This invention relates to a jar used to dislodge tools stuck in a well. The jar includes two housing portions movable with respect to each other. A release collet forms a portion of one of the...
US20110083851 Compact Jar for Dislodging Tools in an Oil or Gas Well  
This invention relates to a jar used to dislodge tools stuck in a well. The jar includes two housing portions movable with respect to each other. A release collet forms a portion of one of the...
US20120048552 METHOD OF USING WIRED DRILLPIPE FOR OILFIELD FISHING OPERATIONS  
A method and apparatus for fishing a wellbore with wired drill pipe are provided. Embodiments of the invention advantageously identify objects for removal and signal proper attachment therewith....
US20080149339 VARIABLE LINKAGE ASSISTED GRIPPER  
A gripper mechanism for downhole tool is disclosed that includes a linkage mechanism and a flexible toe disposed over the linkage mechanism. In operation, an axial force generated by a power...
US20110024119 DOWNHOLE DEBRIS REMOVAL TOOL  
A downhole debris recovery tool including a ported sub coupled to a debris sub, a suction tube disposed in the debris sub, and an annular jet pump sub disposed in the ported sub and fluidly...
US20140284055 Subterranean Vibrator with Lateral Vibration Feature  
A vibratory tool for use in a tubular string to prevent sticking or to release a stuck string features a fluid operated dart valve working in conjunction with an impact sleeve to deliver...
US20120145396 RELEASING AND RECOVERING TOOL  
Apparatus and methods for selectively releasing a first wellbore component to a second wellbore component using a disconnect device. The method includes coupling a disconnect device to a...
US20100200236 Method of Circulating While Retrieving Bottom Hole Assembly in Casing  
Retrieving a down hole tool at a lower end of a string of casing can be performed with drill pipe during a casing-while-drilling operation. The operator suspends the casing on a landing sub landed...
US20080149340 Jars for wellbore operations  
An example of an apparatus for jarring a wellbore tool from an obstruction includes four sub-assemblies in communication with three springs such that the springs may be compressed forcing the...
US20100258314 Jars for Wellbore Operations  
An example of an apparatus for jarring a wellbore tool from an obstruction includes four sub-assemblies in communication with three springs such that the springs may be compressed forcing the...
US20050006146 Shear strength reduction method and apparatus  
A method of imposing a simple harmonic wave of bidirectional vibration on an object stuck in sand in a well bore, where vibrations are imposed in close proximity to the stuck location, and where...
US20150047838 TECHNIQUE AND APPARATUS TO FORM A DOWNHOLE FLUID BARRIER  
A technique that is usable with a well includes communicating a stabilized treatment slurry downhole into the well and dehydrating a portion of the slurry to form a barrier in the well.
US20120125612 OVERSHOT DEVICE  
A device with an overshot including a first part with an elongated body adapted to be connected to a hoisting line in one end and with a tubular opening arranged/designed to receive a spearhead in...
US20100025113 Method of Circulating While Retrieving Downhole Tool in Casing  
Retrieving a down hole tool at a lower end of a string of casing can be performed with drill pipe during a casing-while-drilling operation. The operator suspends the casing in the well from a...
US20090183878 DOWNHOLE TOOL  
An extension sub for a downhole fishing tool, the extension sub comprising a tubular having a threaded pin end and a threaded box end, the tubular having an interior wall defining a bore, and...
US20100116499 Internal Release Connector and Method  
A tubing connection release system. The system includes, a male connector having a profile at one end thereof and receptive to a tubular at the other end thereof, a female connector receptive to a...
US20120285687 SELECTIVE FRACTURING TOOL  
A tool for selectively treating a wellbore with fluid that includes a tubing string having a sidewall defining an inner bore, the sidewall comprising a flow area having at least one fluid flow...
US20120193098 SELECTIVE FRACTURING TOOL  
A tool for selectively treating a wellbore with fluid that includes a tubing string having a sidewall defining an inner bore, the sidewall comprising a flow area having at least one fluid flow...
US20150041124 AUTOMATIC PACKER  
A downhole apparatus including a tool body and a sealing element disposed within the tool body. Also, at least one sensor disposed on the tool body, wherein the sensor is configured to take...
US20090121507 Apparatus for gripping a down hole tubular for use in a drilling machine  
An apparatus for gripping a down hole tubular includes a body element defining a central cavity along a longitudinal axis. Disposed within the body element is at least one engaging member. In one...
US20130220617 Adjustable Engagement System for Tool Removal  
A retrieval tool and method for retrieving a remote tool with a threaded connection from a remote location. The retrieval tool includes a rotational drive member which rotates an attachment sub...

Matches 1 - 50 out of 117 1 2 3 >