Matches 1 - 33 out of 33


Match Document Document Title
US20150259997 Torque Anchor to Prevent Rotation of Well Production Tubing, System for Pumping and Rotation Prevention, and Pumping Installation Equipped with Such a Torque Anchor  
The invention relates to a torque anchor which prevents rotation of a tubing string with respect to a casing of a well for pumping a fluid. The torque anchor comprises a frame intended to be...
US20140014372 Pipe in Pipe Piston Thrust System  
A pipe in pipe piston thrust system comprises a plurality of piston assemblies configured to sealingly engage a wellbore, a pump configured to transfer a fluid into the wellbore, and a by-pass...
US20100319935 METHOD AND DEVICE FOR A RUNNING TOOL  
A method and device for drilling or cleaning in underground borehole including a drilling tool, a drill pipe with two pipe conduits extending up the surface and further including an arrangement...
US20130126186 WELLBORE TUBULAR HANDLING SYSTEM  
A wellbore tubular handling system and method for moving tubulars into a wellhead. The wellbore tubular handling system includes a service rig including a transport chassis, a mast pivotally...
US20150218899 Expandable Bullnose Assembly for Use With a Wellbore Deflector  
Disclosed are methods of deflecting expandable bullnose assemblies. One method includes introducing a bullnose assembly into a main bore of a wellbore, the bullnose assembly including a body and a...
US20090218105 Hydraulically Driven Tandem Tractor Assembly  
A tractor assembly for downhole hydrocarbon applications employing multiple tractors simultaneously. The assembly is hydraulically driven and may provide a substantial increase in the total load...
US20080066963 HYDRAULICALLY DRIVEN TRACTOR  
A large scale hydraulically driven downhole reciprocating tractor to display substantially continuous advancement. The tractor may be configured to pull coiled tubing downhole in a continuous...
US20090126945 ANCHORING AND SEALING SYSTEM FOR CASED HOLE WELLS  
An apparatus includes a casing and a sealing element that is retained in the casing. The sealing element has an unset state in which the sealing element has a first radial thickness and a set...
US20070023192 METHOD AND TOOL FOR PLACING A WELL BORE LINER  
A well bore liner placement method and apparatus, including inserting a liner running assembly carrying a liner into a well bore, the assembly including a liner placement apparatus having an...
US20100084144 INSTRUMENT CENTRALIZER CONFIGURABLE FOR USE WITH CEMENT EVALUATION WELL LOGGING INSTRUMENTS  
A centralizer for a well logging instrument includes a mandrel, a plurality of bow springs arranged circumferentially about the exterior surface of the mandrel and a biasing device in contact with...
US20100032170 METHOD AND APPARATUS FOR RUNNING TUBULARS  
A method is disclosed for running a completion string, such as casing, into a predrilled wellbore while allowing rotation of a downhole component with respect to the completion string. The...
US20130220638 Hydrostatic Setting Tool  
A setting tool for use inside a well bore casing having an upper portion, a lower portion, and a wrap spring. The upper portion includes a mandrel coupled to a connecting line. The upper portion...
US20130206426 EXPANDABLE CASING PATCH  
A system comprising a housing having an upper end in fluid communication with a source of pressurized fluid and a lower end releasably coupled to an expandable tubular. A piston is disposed within...
US20050061516 Prestaged intermitting process  
A method for purging accumulated liquids from within and around a well bore in a petroleum well comprising the steps of: shutting off the well for a period of time to allow pressure to build up;...
US20140311757 PULLING TOOL  
The present invention relates to a pulling tool (1) for latching onto an object (30), such as a plug, downhole in a wellbore The pulling tool comprises a base element (10) extending in a...
US20120273238 JACKING UNITS AND BELLOWS FOR DOWN HOLE INTERVENTION TOOLS  
A device and a method for positioning a tool in a well tubular. The device comprising a housing having jacking arm assemblies with extendable jacking arms for fixating the device inside the well...
US20150096767 SINGLE SIZE ACTUATOR FOR MULTIPLE SLIDING SLEEVES  
A multiplier sleeve has a releasable seat coupled to a dog within the slidable sleeve allows a single sized ball, dart, or plug to actuate several sliding sleeves. Upon actuation by properly sized...
US20090301732 Downhole Valve Actuation Methods and Apparatus  
In some embodiments a method of shifting a downhole-located device between positions with an actuator includes inserting the actuator into the well, engaging the actuator with the shiftable device...
US20100270034 WIRED MULTI-OPENING CIRCULATING SUB  
System and method for circulating fluid within a well bore. A circulation sub configured with communication elements on its ends to link the sub to a downhole communication network. A slideable...
US20090242211 METHODS AND APPARATUS FOR A DOWNHOLE TOOL  
An apparatus and method for operating a packer and a fracture valve is shown. The packer may include a tubular mandrel having a longitudinal bore with an annular packing element and a first piston...
US20090095490 Electrically activating a jarring tool  
A method of using jarring tool in a wellbore, where the jarring tool is electrically activated to apply an impact force transmitted to at least another tool in the well. The method may further...
US20120111580 TOOL AND METHOD FOR PLACEMENT OF A COMPONENT INTO A WELL  
An apparatus and method is disclosed for insertion of a component into an oil or gas well. Typically, the well includes a cased hole section and may also include an uncased hole section. In some...
US20100288510 OBJECT MANOEUVRING APPARATUS  
An apparatus (12) for manoeuvring a downhole object (22) comprises a casing (28) and a carriage (34) slidably mounted within the casing (28), wherein the carriage (34) defines a cylinder bore (62)...
US20130233570 Remotely Activated Down Hole Systems and Methods  
Systems and methods for remotely setting a down hole device. The system includes a base pipe having inner and outer radial surfaces and defining one or more pressure ports extending between the...
US20170107800 PLUNGER IMPACT SENSOR  
There is provided a lubricator assembly having a lubricator body having a bottom end in communication with a well, a top end, and one or more production flow ports, a spring within the lubricator...
US20170107776 VISCOUS DAMPING SYSTEMS FOR HYDROSTATICALLY SET DOWNHOLE TOOLS  
A system for activating a downhole tool may include a mandrel, a first piston disposed about the mandrel and defining a piston chamber therebetween, a flow restrictor positioned in the piston...
US20170074059 Hydraulic Multi-Displacement Hoisting Cylinder System  
An assembly for hoisting and lowering a drill string of a drilling rig includes a multiple displacement hydraulic cylinder having a blind end, a rod end, and a single piston rod configured for...
US20160251923 MULTI-ZONE ACTUATION SYSTEM USING WELLBORE DARTS  
Disclosed is a sliding sleeve assembly that includes a sliding sleeve sub coupled to a work string extended within a wellbore, the sliding sleeve sub having one or more ports defined therein that...
US20160194939 Hydraulically Assisted Deployed ESP System  
A system and method for providing artificial lift to production fluids within a subterranean well includes loading an electrical submersible pump assembly into an interior cavity of a pump...
US20160076325 CABLE SYSTEM CONTROL USING FLUID FLOW FOR APPLYING LOCOMOTIVE FORCE  
Controlling cable (30) tension and tool (34) position in a well (16) may include controlling either or both of tool position and cable tension independently by regulating reel (335) angle and flow...
US20160017678 Fluid Flow During Landing Of Logging Tools In Bottom Hole Assembly  
The present disclosure relates to systems, assemblies, and methods for facilitating fluid flow during/after landing of logging tools in a bottom hole assembly. In operation, a memory logging tool...
US20150369021 Stepped Liner Hanger Expander  
Disclosed is a tubular expansion tool which includes a plurality of stackable piston/slip/spring assemblies that are used to radially expand a liner against well casing along a longitudinal...
US20150315882 EXPANSION SYSTEM  
A method of expanding a tubular member by assembling an expansion system having an expansion cone and an expansion sleeve and coupling a tubular member to the expansion system so that the...

Matches 1 - 33 out of 33