Abstract: An apparatus is provided for delivering a substance containing hydrocarbons from a reservoir. The reservoir can be subjected to thermal energy in order to reduce the viscosity of the substance. The apparatus includes at least one conductor loop for inductively applying current for electric/electromagnetic heating of the reservoir, and a pressurization device for injecting a liquid into the reservoir in liquid form. A preparation entity extracts the liquid that is to be injected from a reservoir liquid that is taken from the reservoir or from a medium that is taken from the reservoir.

Abstract: A downhole motor for drilling and servicing of wells has an elongated outer housing and an elongated mandrel rotatably disposed within the housing. A primary thrust bearing is disposed between the lower end of the housing and the mandrel, and transfers axial loads downward from the housing to the mandrel, and then to the drill bit or other tool mounted on the lowermost end of the mandrel. The placement of the primary thrust bearing permits it to extend radially to the outer diameter of the housing. One preferred embodiment of the primary thrust bearing comprises bearing surfaces of polycrystalline diamond compact (“PDC”) material.

Abstract: A drum unit for an intervention string for a well includes a drum with a radius for the intervention string, arranged in a structural frame and rotatable by a motor, the drum being arranged translating along a drum axis and driven by a translation motor, for controlled winding of the intervention string onto the drum relative to a first, fixed guide in the structural frame. A compensator includes a guide arch, the guide arch being displaceable in a direction orthogonal to the drum axis using a force device at the structural frame. The intervention string runs between the guide arch and the first fixed guide to or from a first end of the guide arch to the drum. The intervention string runs via a second, opposite end of the guide arch via a second, fixed guide at the structural frame, to or from the well.

Abstract: In one aspect, a method of performing a wellbore operation is disclosed that in one embodiment may include: deploying a device in the wellbore containing a conductive fluid, wherein the device is configured to disintegrate upon application of electrical current thereto; and applying current to the device in the wellbore using a tool to controllably disintegrate the device. In another aspect, an apparatus for use downhole is provided that in one embodiment may include a device placed at a selected location in a wellbore, wherein the device is made from a material that disintegrates when electric current is induced in to device and a tool placed proximate to the device configured to induce electric current into the device to cause the device to disintegrate.

Abstract: Certain aspects and embodiments of the present invention are directed to a subsurface safety valve that can be disposed in a wellbore that is through a fluid-producing formation. The subsurface safety valve can include a closure mechanism, a sleeve, and a control line. The closure mechanism can be positioned in a passageway defined by a tubing string. The closure mechanism can be configured to prevent a flow of fluid to a portion of the passageway that is closer to a surface of the wellbore than the closure mechanism. The sleeve can be positioned in the passageway adjacent to the closure mechanism. The control line can communicate pressure to a piston from a pressure source within an inner diameter of the tubing string, causing the piston to apply a force to the sleeve. The sleeve can open the closure mechanism in response to the force being applied to the sleeve.

Abstract: A portable hard rock drill rig uses fluids for rotational power and compressed air to achieve a hammer affect. The drill rig is comprised of modular parts configured to allow one or two workers to move the rig over difficult terrain and to assemble the rig within a small area.

Abstract: A method for wellbore treatment includes running a liner into a wellbore, the liner including a wall, an inner bore defined by the wall, a first port through the wall, a second port though the wall spaced axially from the first port, a first removable closure for the first port and a second removable closure for the second port; positioning the liner in an open hole section of the wellbore to create an annulus between the liner and a portion of the wellbore wall and with the second port downhole of the first port; inserting a treatment string assembly into the liner, the treatment string assembly including a tubing string and an annular seal about the tubing string and being insertable into the inner bore of the liner; setting the annular seal to create a seal between the tubing string and the liner downhole of the second port; and while the first port is closed to fluid flow therethrough, pumping wellbore treatment fluid into an annular area between the tubing string and the liner such that the fluid passes

Abstract: In one aspect, a drill bit is disclosed that in one embodiment includes a pad configured to extend and retract from a surface of the drill bit and a force application device configured to extend and retract the pad, wherein the force application device includes a force action member that includes a lever action device configured to extend and retract the pad from the drill bit surface. In another aspect, a method of drilling a wellbore is provided that in one embodiment includes: conveying a drill string having a drill bit at an end thereof, wherein the drill bit includes a pad configured to extend and retract from a surface of the drill bit and a force application device that includes a lever action device configured to extend and retract the pad from the surface of the drill bit; and rotating the drill bit to drill the wellbore.

Abstract: Certain aspects and embodiments of the present invention are directed to a subsurface safety valve disposed in a wellbore through a fluid-producing formation. The subsurface safety valve can include a closure mechanism. In some embodiments, the subsurface safety valve can be coupled with an electric submersible pump. The subsurface safety valve coupled to the electric submersible pump can be positioned in a passageway defined by a tubing string via a power cable coupled to the electric submersible pump. In some embodiments, the subsurface safety valve can include at least one terminal. The at least one terminal can form an electrical connection between the subsurface safety valve and the electric submersible pump. The subsurface safety valve can receive power from the electric submersible pump via the electrical connection.

Abstract: A drill bit for use in drilling a wellbore and that can be used for fracturing the subterranean formation surrounding the wellbore. Included on the bit body is a packer for sealing against the wellbore wall during fracturing. A chamber in the drill bit houses a valve assembly for selectively diverting fluid between use in drilling and for use in fracturing. The fluid is delivered through a drill string that attaches to an upper end of the bit. The valve assembly can be shuttled between drilling and fracturing configurations by selectively adjusting an amount and/or pressure of the fluid flowing in the drill string.

Abstract: The disclosure of this application is directed to a downhole tool comprising a central element/member and a sleeve that is rotatably and orbitally disposed around the central element/member. The sleeve rotates and orbits around the central element/member responsive to fluid flowing through the downhole too. The disclosure is also related to a method of advancing the downhole tool in a well by flowing fluid through the tool.

Abstract: The disclosure of this application is directed to a downhole tool comprising a central element/member and a sleeve that is rotatably and orbitally disposed around the central element/member. The sleeve rotates and orbits around the central element/member responsive to fluid flowing through the downhole too. The disclosure is also related to a method of advancing the downhole tool in a well by flowing fluid through the tool.

Abstract: An apparatus and method for selectably opening a valve body having a central passage and a plurality of apertures therethrough. The apparatus comprises a sleeve slidably located within the central passage of the valve body adapted to selectably cover or uncover the apertures. The apparatus further comprises a shifting tool slidably locatable within the sleeve having at least one sleeve engaging member selectably extendable therefrom in parallel to a central axis thereto engagable upon the sleeve wherein the shifting tool is moveable. The method comprises positioning the shifting tool within the sleeve in a first or second position, extending the sleeve engaging members from the shifting tool in parallel to a central axis of the shifting tool into engagement upon the sleeve, and axially moving the shifting tool and the sleeve to the other of the first or second positions.

Abstract: A drill bit for drilling a hole through earth and hard materials, the drill bit including a bit body having an inner bore and a cutting head at a cutting end, the cutting head including a center portion with one or more apertures extending from the cutting end to the inner bore, a perimeter portion projecting radially outward to form a plurality of blades divided by a plurality of junk slots, a cutting face, and a plurality of cutter receptacles spaced about the cutting face. A plurality of cutters with cutter tips terminating in points are in mounted into the cutter receptacles at a pitch angle relative to the cutting face, and with the plurality of cutter points together defining a projected cutting surface.

Abstract: A wellbore servicing system, the system comprising at least one wellbore servicing equipment component, wherein a flow path extends from the wellbore servicing system component into a wellbore penetrating a subterranean formation, and a pressure control system in fluid communication with the flow path, wherein the pressure control system comprises a relief path configured to communicate fluid through the pressure control system, a pressure control device configured to permit fluid communication between the flow path and the relief path upon experiencing a pressure and/or a differential pressure of at least a predetermined pressure threshold, and a first valve disposed within the relief path, wherein the first valve is configured to actuate from an open configuration to a closed configuration.

Abstract: In some embodiments, an apparatus and a system, as well as a method and an article, may include a signal integrity monitor that senses the signal transmitted between a surface device and a downhole device. The signal integrity monitor is adapted to disconnect power from the communication system if a fault in the communication line is detected.

Abstract: A plunger assembly arranged to minimize uneven wear spots thereon during the plunger assembly's horizontal and vertical travel within a hydrocarbon producing well conduit. The plunger assembly comprises an elongated central mandrel having a bore extending longitudinally therethrough for transmitting gaseous fluids from a well, through the plunger assembly, a pair of longitudinally spaced-apart sets of arcuately shaped wear pads guidably supported on outer portions of the elongated central mandrel, and at least one tangentially directed nozzle arranged to direct gaseous fluids from the bore of the elongated central mandrel against an inner side of at least one of the arcuately shaped wear pads arranged on the outer portions of the elongated central mandrel.

Abstract: A tool for suspending in a well retrieves various metal debris from the well, and includes an elongated tool body with a plurality of magnets included in a plurality longitudinal ridges which are circumferentially spaced. In the method a plurality of magnets can be positioned within openings, recesses, or pockets in each ridge, and held in place by one or more retaining plates, the tool being connected to a drill string and lowered into a well.

Abstract: A method of hydraulically activating a mechanically operated wellbore tool in a bottom hole assembly includes: holding moveable elements of the wellbore tool in an unactivated position using a shear pin; inserting one or more drop balls into a drilling fluid; and flowing the drilling fluid with the drop balls to a flow orifice located in or below the wellbore tool. The flow orifice is at least partially plugged with the drop balls to restrict fluid flow and correspondingly increases the hydraulic pressure of the drilling fluid. The hydraulic pressure is increased to a point beyond the rating of the shear pin, thereby causing the shear pin to shear and allowing the moveable elements of the tool to move to an activated position.

Abstract: An assembly and method for protecting a pipe string movable within a wellbore. A generally annular body (56) is internally dimensioned to fit around said pipe string, and an outer sleeve (62) formed from at least two part-annular sections (58,60) and rotatably located over the annular body (56). A pair of substantially annular clamping means are adapted to restrict longitudinal movement of the body (56) and outer sleeve (62) relative to the pipe string, each clamping means comprising a one-piece clamping ring (70) and a fastener (74) adapted to tighten the clamping ring (70) around the pipe string. The body (56), outer sleeve (62), and clamping rings (70) may be formed from one or more sacrificial materials that can break up and be circulated out of the wellbore.