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9038723 Tubular member cutting tool  
A cutting tool for cutting pipe or the like from the inside out includes a housing assembly. A first blade actuating wedge assembly is inside the housing assembly and is movable along a...
9027643 Method of removing cutters  
A method for enhanced degradation of a cutting structure on a drill shoe is provided. The cutting structure may be degraded at an accelerated rate after achieving a desired objective. Degradation...
9022117 Section mill and method for abandoning a wellbore  
A method for milling a tubular cemented in a wellbore includes deploying a bottomhole assembly (BHA) into the wellbore through the tubular, the BHA comprising a window mill; and extending arms of...
9022104 Blowout preventer blade assembly and method of using same  
Techniques for shearing a tubular of a wellbore penetrating a subterranean formation with a blowout preventer are provided. The blowout preventer has a housing with a hole therethrough for...
9010426 Systems and methods for managing milling debris  
An exemplary milling system includes a mill arranged within a shroud and configured to translate axially with respect to the shroud once detached therefrom, a guide block is coupled to a distal...
8991522 Downhole hydraulic jetting assembly, and method for stimulating a production wellbore  
A method for forming lateral boreholes from an existing parent wellbore is provided. The wellbore has been completed with a string of production casing. The method generally comprises providing a...
8991496 Firing head actuator for a well perforating system and method for use of same  
A firing head actuator for a well perforating system. The firing head actuator includes a housing assembly with a first impact piston initially secured thereto and slidably disposed therein. An...
8985209 High pressure jet perforation system  
A technique facilitates removal of excess sand during a jet perforating operation without requiring that the perforating string be pulled out of hole. A jet perforating tool is provided with at...
8985210 Methods of severing an object from the outside using heat evolved from an exothermic reaction  
A method of severing at least a first object comprises: positioning a severing device adjacent to the first object, wherein the first object is a wireline or a tubular, and wherein the severing...
8973651 Modular anchoring sub for use with a cutting tool  
A cutting tool that inserts into a tubular for cutting the tubular from within. The cutting tool includes a motor, a cutting head, permanent anchor between the motor and cutting head, an...
8967270 Rigless abandonment system  
A rigless abandonment system including a surface vessel having an attached lifting device and a moonpool. The system further includes a cutting module configured to connect to a subsea wellhead,...
8950487 Assemblies and methods for minimizing pressure-wave damage  
An assembly for minimizing damaging effects of pressure waves on devices in a wellbore. The assembly comprises a dynamic device disposed in the wellbore and generating pressure waves during...
8936088 Cutting assembly and method of cutting coiled tubing  
A coiled tubing cutter assembly comprises a housing configured to be inserted in a length of coiled tubing. The housing forms a main bore and a first pathway through which cutting fluid can flow...
8931557 Wellbore servicing assemblies and methods of using the same  
An apparatus for servicing a wellbore comprising a housing, high-pressure ports, high-volume ports, and a mandrel slidably positioned within the housing. The housing defines an axial flowbore and...
8931555 Device for a downhole apparatus for machining of casings and also a method of depositing machined shavings  
There is described a device for machining apparatus arranged for machining of a portion of a casing positioned in a wellbore, wherein a return fluid conduit extends from the machining apparatus in...
8919441 Method of intersecting a first well bore by a second well bore  
A method and system for intersecting a first, cased well bore, includes forming a second well bore that extends to a region of the first, cased well bore to be intersected. A mill guiding device...
8915298 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...
8905125 Abrasive perforator with fluid bypass  
An abrasive perforator tool with a bypass flow channel. The tool comprises a tubular body or housing with perforating nozzles in the sidewall. A sleeve assembly inside the central bore of the tool...
8899313 Cutting unit of a hydromechanical slot perforator  
A cutting unit for a slot-type perforator is mounted in a casing having a specific edge, driven by a piston or plunger. The cutting unit includes cutting tools associated with a first holder...
8899330 Devices and methods for severing a tube-wire  
A shear pig assembly and method of use for severing a linear conductor within a surrounding tubular. A shear pig assembly includes a main body and a nose that radially surround the linear...
8893791 Multi-position mechanical spear for multiple tension cuts with releasable locking feature  
A cut-and-pull spear is configured to obtain multiple grips in a tubular to be cut in tension. A lock feature holds the set position of the slips and seal. The lock can be defeated with an axial...
8893785 Location of downhole lines  
A method of determining an azimuthal orientation of a well tool relative to a line in a well can include connecting at least one acoustic source to the well tool, the acoustic source having a...
8881818 Tubular cutting with debris filtration  
A cut and pull spear is configured to obtain multiple grips in a tubular to be cut under tension. The slips are set mechanically with the aid of drag blocks to hold a portion of the assembly while...
8881819 Tubular cutting with a sealed annular space and fluid flow for cuttings removal  
A cut and pull spear is configured to obtain multiple grips in a tubular to be cut under tension. The slips are set mechanically with the aid of drag blocks to hold a portion of the assembly while...
8881817 Cutting tool  
A downhole tool having a cylindrical body, a sleeve having a contact portion disposed on a distal end, and a cutter having a radiused portion on a top surface operatively engageable with the...
8869896 Multi-position mechanical spear for multiple tension cuts while removing cuttings  
A cut and pull spear is configured to obtain multiple grips in a tubular to be cut under tension. The slips are set mechanically with the aid of drag blocks to hold a portion of the assembly while...
8863823 Universal underground hydro-slotting perforation system controlled by working fluid pressure for activation and intensification of gas, oil, and hydro-geological wells  
An underground hydro-slotting perforation system includes an adaptor connectable to a tubing, a tail part connected to the adaptor, a hydraulic block connected to the tail part, a return block...
8839864 Casing cutter  
Tools and methods for cutting multiple, co-extending casings in oil and gas wells. The tools comprise a cylindrical body and first and second sets of cutting blades. Each set of cutting blades is...
8833451 Window joint for lateral wellbore construction and method for opening same  
A system for opening a window (320) in lateral wellbore construction. The system includes a window joint (300) that is operable to be interconnected within a casing string. The window joint (300)...
8833444 System, apparatus and method for abrasive jet fluid cutting  
A system, apparatus and method for abrasive jet fluid cutting is provided wherein an abrasive jet fluid cutting assembly comprises a hose for receiving a coherent abrasive jet-fluid containing a...
8807219 Blowout preventer blade assembly and method of using same  
A blade assembly of a blowout preventer for shearing a tubular of a wellbore penetrating a subterranean formation is provided. The blowout preventer has a housing with a hole therethrough for...
8783360 Laser assisted riser disconnect and method of use  
There is provided a high power laser-riser blowout preventer package and laser module for use with a subsea riser. The laser module and laser-riser package use high power laser energy to quickly...
8783361 Laser assisted blowout preventer and methods of use  
There is provided a high power laser assisted blowout preventer and methods of use. In particular, there are provided systems and assemblies for utilizing high power laser energy within a blowout...
8763701 Window joint for lateral wellbore construction  
A system for opening a window (320) in lateral wellbore construction. The system includes a window joint (300) that is operable to be interconnected within a casing string. The window joint (300)...
8757262 Apparatus and method for abrasive jet perforating and cutting of tubular members  
An apparatus for abrasive jet cutting comprises an abrasive jet perforating tool coupled rotatably to a tubing string and a horizontal indexing tool coupled connectably to the perforating tool. A...
8752651 Downhole hydraulic jetting assembly, and method for stimulating a production wellbore  
A method for forming lateral boreholes from an existing wellbore is provided. The method comprises providing a downhole tool assembly having a whipstock with a curved face. The whipstock is run...
8720566 Slot perforating tool  
An apparatus including a body, a mandrel disposed at least partially within the body, and a spring. The spring maintains the mandrel in a retracted position within the body until a predetermined...
8720567 Blowout preventers for shearing a wellbore tubular  
Methods and apparatuses for severing a wellbore tubular, the apparatus, in certain aspects, including: a first member movable toward a tubular to be severed; a second member with a second blade...
8720564 Tubular severing system and method of using same  
Techniques for severing a tubular of a wellbore penetrating a subterranean formation are provided. A blade is extendable by a ram of a blowout preventer positionable about the tubular. The blade...
8720565 Tubular severing system and method of using same  
A method for severing a tubular of a wellbore is provided. The method involves positioning a blowout preventer about a tubular, the blowout preventer having a plurality of rams slidably...
8695506 Device for verifying detonator connection  
A perforating system having a perforating gun with shaped charges, a chassis sub, a communication line in communication with a controller and extending through the chassis sub and perforating gun,...
8684084 Method and apparatus for selective down hole fluid communication  
Methods and apparatus for perforating a formation in a wellbore without perforating a well bore casing. The methods and apparatus include an external casing perforating device configured so as not...
8678088 Method and apparatus to position and protect control lines being coupled to a pipe string on a rig  
Apparatuses and methods to cut a control line and/or to run a control line on a rig may include a movable cutting apparatus to cut a control line, a load transfer member to engage a control line,...
8657006 Oil well plug and abandonment method  
A method of severing a well string that extends into an oil well from an oil platform with a deck includes supporting upper and lower sections of the well string, the lower section supported at...
8651185 Reducing or stopping the uncontrolled flow of fluid such as oil from a well  
The uncontrolled flow of fluid from an oil or gas well may be reduced or stopped by injecting a composition including 2-cyanoacrylate ester monomer into the fluid stream. Injection of the monomer...
8616281 Method and apparatus for moving a high pressure fluid aperture in a well bore servicing tool  
A well bore servicing apparatus comprising a housing having a longitudinal axis and a through bore, and a movable member disposed in the housing, the movable member having a through bore and a...
8602102 Blowout preventers and methods of use  
Methods and apparatuses for severing a wellbore tubular, the apparatus, in certain aspects, including: a first member movable toward a tubular to be severed; a second member with a second blade...
8602101 Multi-cycle pipe cutter and related methods  
A downhole pipe cutting tool includes a tool body having a piston assembly disposed in a central bore thereof, wherein the piston assembly is configured to translate longitudinally along the...
8596362 Hydraulic fracturing methods and well casing plugs  
A hydraulic fracturing method includes injecting a fluid containing a transitory binder and filler into a substantially horizontal well casing without any placement apparatus present in the...
8590618 Method and apparatus for single run cutting of well casing and forming subsurface lateral passages from a well  
An apparatus and system for a single run process for well installations to cut or mill away a section of the casing of a well and then position an attached deflecting device to form radial...
Matches 1 - 50 out of 396 1 2 3 4 5 6 7 8 >