Matches 1 - 9 out of 9


Match Document Document Title
US20120222857 ASSEMBLY  
A transport assembly comprising: an attachment member attachable to a downhole tool; normally two rotatable members, connected to the attachment member, the rotatable members being arranged to...
US20140014321 Assembly  
A downhole transport assembly (100, 101) having first and second members (10, 20) having a common longitudinal axis, at least one of the members (10, 20) being rotatable about the longitudinal...
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...
US20150361751 Jarring Tool  
A jarring tool that includes a first portion and a second portion. An impact point is located between the first portion and the second portion. The jarring tool has an internal energy source that...
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...
US20120160477 LARGE BORE JAR FOR A DRILL STRING  
A drill string includes a bit sub mounted to a lower end of a plurality of tubular sections, where at least one tubular section is a jar. The jar and the tubular sections have an inner diameter...
US20090166026 Jar device for use in coil tubing drilling  
The invention relates to a jar operated by fluid pressure, specially designed for use in drilling or maintenance operations carried out in oil or gas wells. The jar comprises a first (1) and a...
US20070074867 Jar device  
A jar for use in a downhole environment comprises a mandrel, a spline body, and a tool body, where the spline body provides a slideable engagement with the mandrel and anvil surfaces for absorbing...
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...
Matches 1 - 9 out of 9