Abstract: Downhole tractor control systems and methods to maintain a load of a downhole tractor are disclosed. A method to maintain a load of a downhole tractor includes identifying a reduction of power of a first set of motors of a plurality of motors of the downhole tractor, determining whether the reduction of power of the first set of motors is below a first threshold, and increasing, in response to the determination, a first power limit of a second set of motors of the plurality of motors to a maximum acceptable power limit of the second set of motors while maintaining the load of the downhole tractor.

Abstract: Electrical wet connection (EWC) with multiple power and communication lines for connecting Logging While Drilling tools (LWD) and/or Measurement While Drilling tools (MWD) is described. The contacts between the modules may be made by, for example, using pressure bulkheads to ensure protection of the tools if the pressure protection is reduced or lost. The contacts may be locked together in a convenient manner to eliminate downhole vibrations and/or shocks. The may make the signal transmission quality approaching, as good as, or even better than wireline tools. The connection may be sealed from the well muds under high pressure and this protection may be enhanced such as by doubling or even tripling for extreme reliability in difficult environments. The designs described herein may advantageously allow for a large amount in collar lengths to be compensated and/or provide two degrees of freedom-rotational and/or may be longitudinal for ready connection on the well site.

Abstract: A deployment system as a rig less docking station with an inline male wet mate-able connectors and power cable and a motor connector with inline female wet mate-able connectors coupled to an electric submersible pump (ESP), the docking station is at the bottom of a string of production tubing and remains in the well for the life of the system while the motor connector is mated to an ESP and lowered into the well by wireline or other suitable deployment method. The rig less deployment system has a lower initial cost, larger through-bore, improved debris tolerance, and the ability for pump-assisted installation and retrieval techniques. Both the moveable female and the static male connector are pressure balanced for temperature and volume variation and the male connector utilizes a heavy dielectric fluid in a reverse labyrinth design to isolate borehole fluid from the electrical connection.

Abstract: A drilling system can comprise a drill string having a longitudinal axis and comprising at least one drill rod and a wireless sub coupled to the at least one drill rod. The wireless sub can comprise processing circuitry that is configured to detect mechanical impulses of the drill string. The processing circuitry can be configured to wirelessly transmit signals indicative of the mechanical impulses to a remote computing device.

Abstract: A tool that uses antennas to evaluate an environment surrounding a wellbore, where the tool can include a sleeve with an antenna mounted thereon, and the antenna including a ferrite assembly and a coil assembly, where the coil assembly can be mounted radially outward from the ferrite assembly, and the coil assembly can transmit electromagnetic signals into the environment and/or receive the electromagnetic signals from the environment. The electromagnetic signals can be evaluated to determine one or more parameters of the environment surrounding the wellbore. The tool can include one or more grooves disposed in a wall of a sleeve of the ferrite assembly, with one or more ferrite objects installed in the grooves, with a cross-sectional shape that can retain the ferrite objects in the groove. The ferrite objects can alter a trajectory of one or more of the electromagnetic signals.

Abstract: A coiled tubing injector system includes a traction system for advancing coiled tubing through the injector and into or out of a well. The traction system includes a plurality of carriers (129) and gripper shoes (128) configured to repeatedly propagate through the injector along guides (114). The traction system also includes a position monitor (134) for monitoring the lateral position of the carrier, gripper shoe, or portion thereof as the carrier and gripper shoe propagates along the coiled tubing path.

Abstract: A snubbing jack including a jack assembly including a base plate, a traveling plate, an axis extending through the base plate and the traveling plate, and a plurality of piston-cylinder assemblies, a rotary drive including a rotary base and a hub, wherein the rotary drive is configured to rotate the hub relative to the rotary base, a clamp coupled to the rotary base and configured to grip a first tubular member, a power tongs coupled to the rotary base and configured to grip a second tubular member and to rotate the second tubular relative to the rotary base, and a torque transfer device coupled between the rotary drive and the jack assembly and configured to allow the rotary drive to move axially relative to the base plate and configured to restrict rotation of the rotary drive relative to the jack assembly.

Abstract: A well-logging system includes a first downhole tool coupled to a first cable for conveying the first downhole tool along a wellbore. A second downhole tool having a housing is coupled to a second cable for conveying the second downhole tool along the wellbore. The well-logging system includes a cable guide having a chassis structure coupled to the housing and a sleeve coupled to the chassis structure and disposed about the first cable. The first cable is configured to translate along the sleeve such that the sleeve facilitates guided movement of the first downhole tool relative to the second downhole tool.

Abstract: A method of and apparatus for the rapid deployment of a fracturing water transferring system, along with the rapid picking up and storage of such system after use. In different embodiments the method in includes the use of a tensioning system to retrieve one or more segments of lay flat hose.

Abstract: The downhole tractor further comprises a hydraulic power pack coupled to the hydraulic supply line, at least one hydraulic component and at least one further hydraulic component. The hydraulic components are coupled to the hydraulic supply line in parallel and configured for being actuated by the hydraulic supply line. The hydraulic supply line comprises a controllable valve placed at a location in between the at least one hydraulic component and the at least one further hydraulic component such that a first part of the hydraulic supply line is coupled to a second part of the hydraulic supply line via the controllable valve. The downhole tractor provides for much better control and facilitates tuning of the performance of the tractor to the actual needs.

Abstract: A electrical conveyance for downhole tools is disclosed. The electrical conveyance system may include an electrical power manifold, a drill string coupled to the electrical power manifold, a multi-conductor conduit extending through an interior of the drill string, and a stinger assembly extending from an exterior of the electrical power manifold to an interior of the electrical power manifold to couple the multi-conductor conduit to an electrical power source.

Abstract: An injector head adapter can include a frame member adapted to couple to an injector head table, an opening in the frame member, a plurality of locator arms coupled to the frame member, each locator arm having a slot, a plurality of pins comprising a pin engaged with the slot of each locator arm, and a plurality of lock nuts comprising a lock nut coupled with each of the plurality of pins. A pin can be adapted to couple to a slot at one or more locations relative to the opening. An injector head system can include an injector head platform, an injector head table, which can be movable, and an injector head adapter.

Abstract: A mechanically-set packer system for use in a wellbore may include a packer assembly. The packer assembly may include a first ring and a second ring. The packer assembly may also include a packing element positioned between the first ring and the second ring. The packer system may include a mandrel having an interior and an exterior. The packer assembly may be configured to slide onto the exterior of the mandrel. The packer system may further include a line configured to run between the exterior of the mandrel and an interior of the packing element.

Abstract: Techniques and systems to reduce contact of a cable with a top drive. A cable guide may be mounted to one or more bails supporting the top drive and may operate to extend a distance between a cable passing along a length of the top drive. The cable guide may include both an upper guide assembly and a lower guide assembly. Each of the upper guide assembly and the lower guide assembly may both be coupled to one or more bails supporting the top drive in a serial manner.

Abstract: A rope socket assembly, wireline logging heads that include the rope socket assembly, and processes for assembling same. In some examples, the rope socket assembly for a wireline logging head can include a housing, a retainer, a rope socket, a separator, a seal, a pressure cap, a sleeve, a pressure compensating piston at least partially disposed about the sleeve, an electrical bulkhead housing disposed within the sleeve, and a conductor bundle disposed within the electrical bulkhead housing. The conductor bundle can include a plurality of terminals configured to receive a plurality of wires from a wireline and form an electrical connection therebetween. Each terminal can be configured to seal a terminal end of one of the plurality of wires from the wireline.

Abstract: An active towed sonar comprises an emission antenna integrated into a submersible object called a towfish, a submersible receive antenna called a streamer and a tow cable to tow the towfish and the streamer. The tow cable comprises a termination connected mechanically and electrically to the streamer. The termination comprises means of removable mechanical and electrical connection of the towfish to the tow cable, independently of the connection of the streamer.

Abstract: An apparatus for setting a liner in a wellbore that includes a setting tool attached to a work string. The setting tool includes a stretching mandrel and a liner top releasably attached to the setting tool. The liner top includes banded elastomer sheaths positioned in multiple locations along its length. The apparatus may also include a roller screw, operatively attached to the setting tool, so that a rotational movement imparted to the work string causes a forward, rotational movement of the stretching mandrel and engages the stretching mandrel with an inner portion of the liner top so that a protuberance is formed on the inner portion of the liner top and a groove is formed on an outer surface of the liner top.

Abstract: A perforating gun includes an orienting device retained in a carrier and a charge tube rotatably connected to the orienting device. The orienting device misaligns a center axis of the charge tube with a different second axis such that gravity can cause the charge tube to rotate about the different second axis. The charge tube does not rotate about the center axis of the charge tube while the charge tube rotates about the different second axis.

Abstract: The invention provides a multipurpose tool arrangement for riserless invention of a subsea well. The multipurpose tool (40) which is adapted to be connected at the lower end to a Christmas tree (50) which has a tubing hanger (52) and an annulus bore (60?) being defined through said tubing hanger (52). Said tool (40) comprises a tubular element (48) and a Christmas tree connector (41), said multipurpose tool (40) is adapted to receive a second tool (64), which is operated by a cable (49), said second tool (64) in turn being adapted to install a plug (70) in said tubing hanger annulus bore (60?), through said multipurpose tool (40), said arrangement also comprising a pressure control head (47) through which said cable (49) extend. The invention also provides a method for removal or installing of a Christmas tree.

Abstract: The present disclosure generally relates to a system for injecting a fluid into a subsea hydrocarbon extraction component. The system comprises a pressure variance device including an ambient chamber and a variance chamber, the ambient chamber exposed to an external subsea environment and configured to transfer the pressure to the variance chamber via a pressure variance device piston. The system further comprises an accumulator including a fluid delivery chamber and a pressure chamber, the pressure chamber configured to receive the pressure from the variance chamber and transfer the pressure to the fluid delivery chamber via an accumulator piston. The system also comprises a control system configured to regulate injection of the fluid from the fluid delivery chamber into the hydrocarbon extraction component. In this way, the system can intensify or deintensify a hydrostatic pressure in the subsea environment to inject chemicals in the hydrocarbon extraction component at a desired pressure.

Abstract: The present disclosure introduces methods and apparatus for connecting first and second downhole components. A first interface of a first subassembly is coupled to a first component. The first subassembly includes a first connector. A second interface of a second subassembly is coupled to a second component. The second subassembly includes a body and a second connector extendable from the body. The second connector remains communicably connected to the second interface by a conductor extendable from and retractable into the body, including when the second connector is extended away from the body and coupled to the first connector.

Abstract: A device for heating hydrocarbon resources in a subterranean formation having a wellbore therein may include a tubular radio frequency (RF) antenna within the wellbore and a tool slidably positioned within the tubular RF antenna. The tool may include an RF transmission line and at least one RF contact coupled to a distal end of the RF transmission line and biased in contact with the tubular RF antenna. The tool may also include a dielectric grease injector configured to inject dielectric grease around the at least one RF contact.

Abstract: This subsystem is an element of an oil well improvement (disasters preventive) system for offshore wells. This subsystem modifies existing in-well; data transmission equipment, data formatting & processing, and further modifies the processing of the existing sensors and remote controlled devices to provide enhanced capacity, reaction time & reliability for dynamically monitoring & controlling in-well resources. This sensor data and controlled tool status is further integrated into a single data base along with all seabed & platform devices and all related information (formation survey, drill plan, etc). The subsystem processes this data and develops instant status of operational conditions and provides recommendations/alerts/automated controls. Although the primary objective of the subsystem focuses on reducing/eliminating the disastrous effects of blowout, the subsystem also provides the means to alter/improve the normal/uneventful well drilling processes.

Abstract: A safety valve for downhole use in a well comprises a valve body having a longitudinal bore for fluid flow; a bore closure assembly positioned to seal about a longitudinal cable within the bore; and a control assembly positioned and configured to actuate in response to a change in a control signal condition.

Abstract: A method of deploying a jointed tubular string into a subsea wellbore includes lowering the tubular string into the subsea wellbore from an offshore drilling unit. The tubular string has a slip joint. The method further includes, after lowering, anchoring a lower portion of the tubular string below the slip joint to a non-heaving structure. The method further includes, while the lower portion is anchored: supporting an upper portion of the tubular string above the slip joint from a rig floor of the offshore drilling unit; after supporting, adding one or more joints to the tubular string, thereby extending the tubular string; and releasing the upper portion of the extended tubular string from the rig floor. The method further includes: releasing the lower portion of the extended tubular string from the non-heaving structure; and lowering the extended tubular string into the subsea wellbore.

Abstract: A power cable assembly supplies power to and suspends in a well an electrical well pump. The assembly includes metal tubing having a longitudinal tubing center line and a cylindrical side wall. Power cable has an exterior delta shape when viewed in a cross-section. The delta shape defines three exterior side surfaces that face radially outward and join each other at corners. Power cable has three insulated power conductors wrapped helically with a metal strip. The power cable is located in the tubing with the corners deformed against an inner diameter of the tubing.

Abstract: A well logging instrument deployment device according to this aspect of the invention includes a housing configured to be coupled to a pipe string. A latch disposed in the housing and is configured to retain a well logging instrument in a first longitudinal position inside the pipe string. An actuator is configured to release the latch to enable longitudinal movement of the well logging instrument inside the pipe string. A signal detector is operatively coupled to the actuator and is the configured to detect a command signal for operating the actuator.

Abstract: In one aspect, an apparatus for use in a borehole includes a tubular disposed in the borehole. The apparatus also includes an expandable device disposed outside the tubular and proximate a selected device, the expandable device including a material that causes the expandable device to expand from a first shape to a second shape when exposed to an activating fluid. In addition, the expandable device reduces vibration of the selected device when the expandable device is in the second shape.

Abstract: Apparatus and methods related to catenary riser testing are described. For example, some embodiments may contain a ground platform, elevated deck, a catenary-shaped testing sample, a fixed clamp on one end of the testing sample and a rotatable clamp on the other end of the testing sample, and a plurality of hydraulic cylinders for controlling the vertical and horizontal positions and motions of the elevated deck and the positions and rotations of the rotatable clamp, for analyzing the characteristics of the testing sample, such as its touchdown point dynamic motions and stresses.

Abstract: A coiled tubing lifting frame (10) for deploying coiled tubing in a riser (32). The coiled tubing lifting frame (10) comprises a coiled tubing injector (12) and the frame (10) is configured to position the coiled tubing injector (12) relative to a support (44). The coiled tubing lifting frame (10) is configured to support the riser (32). Methods of deploying a riser (32) and coiled tubing in a riser (32), including supporting the riser (32) with a coiled tubing lifting frame (10).

Abstract: A system for deep deployment of electric submersible pumps is described. In an implementation, an electric submersible pump (ESP) power cable has a strength member that enables the ESP power cable to support itself when lowered deep into a well inside a coiled tubing. The self-supporting ESP power cable frees the coiled tubing from having to carry the weight of the ESP power cable, thereby permitting longer runs of coiled tubing to be suspended into the well. The ESP power cable and the coiled tubing can be anchored independently to a wellhead, and a computing device can monitor the weight loads on the ESP power cable and on the coiled tubing.

Abstract: A technique facilitates controlling flow in a wellbore. One or more flow control valve assemblies may be designed for coupling with downhole well equipment. Each flow control valve assembly comprises a flow control valve which cooperates with a control module. The control module comprises a plurality of electrically controlled valves arranged to control flow of actuating fluid to the flow control valve. Each flow control valve assembly also comprises a hydraulic override system to enable hydraulic actuation of the flow control valve to a predetermined position when, for example, no electrical power is available for the electrically controlled valves of the control module.

Abstract: A completion system including a barrier valve operatively arranged in a tubing string to selectively impede fluid flow through a lower completion. At least one control line is included for supplying a control line pressure for controlling operation of the barrier valve. The at least one control line is operatively arranged with the tubing string for enabling tubing pressure in the tubing string to determine the control line pressure. A method of operating a barrier valve is also included.

Abstract: A fill up and circulation tool having an elongate body with an insertion section adapted for insertion into a tubular member, a base section adapted for engagement with a top drive, and a gauge section having a diameter less than that of the base section. A packer cup assembly and at least one spacer can be adjustably associated with the gauge section, the packer cup assembly being positionable at a plurality of locations along the gauge section by placing the packer cup assembly and one or more spacers relative to one another in a desired configuration, such that the packer cup assembly and one or more spacers occupy substantially all of the gauge section. The spacing and configuration of the packer cup assembly along the gauge section can be selected depending on the dimensions or type of top drive, elevator, bails, or other equipment at a worksite.

Abstract: A tubewire buckling mitigation assembly for use with injection of tubewire into coiled tubing. The mitigation assembly includes a passageway having a small diameter passage, an intermediate diameter section and first and second tapered transition sections.

Abstract: A cable apparatus having an increased linear pullout resistance and related methods is disclosed. The apparatus includes a metal tube. At least one conductor is positioned within the metal tube. An armor shell is positioned exterior of the metal tube and the at least one conductor. A polymer material is abutting the metal tube, wherein the polymer material includes therein at least one additive, wherein the polymer material with the at least one additive remains substantially inert during a recrystallization process.

Abstract: A wireline cable includes an electrically conductive cable core for transmitting electrical power, an inner armor layer disposed around the cable core, and an outer armor layer disposed around the inner armor layer, wherein a torque on the cable is balanced by providing the outer armor layer with a predetermined amount of coverage less than an entire circumference of the inner armor layer, or by providing the outer armor layer and the inner armor layer with a substantially zero lay angle.

Abstract: A method of well intervention in a subsea well having a wellhead on the sea floor includes extending an intervention hose downwardly through the sea from a hose drum installed on a vessel on the sea surface into the well through a subsea intervention stack installed on the wellhead. The intervention hose is exposed directly to the ambient sea between the vessel and the top of the subsea intervention stack. In a method of well intervention, an intervention hose extends from a hose drum and into a well. The hose is driven out of the well without the use of an injector by pulling the hose out of the well with the hose drum. In a method of well intervention, an intervention hose extends from a hose drum towards a wellhead, with the hose being guided downward from the drum towards the wellhead by a guiding sheave.

Abstract: A method and apparatus for a wellbore assembly. The wellbore assembly may comprise a conveyance member including at least one of a continuous spooled rod, a wireline, and a slickline; an accumulator system connected to the conveyance member; and a setting tool connected to the accumulator system. The accumulator system may be configured to supply a fluid pressure to actuate the setting tool. A method of operating a wellbore tool may comprise lowering a wellbore assembly into a wellbore using a conveyance member including at least one of a continuous spooled rod, a wireline, and a slickline, wherein the wellbore assembly includes an accumulator system and a setting tool. The method may comprise actuating the accumulator system to provide a fluid pressure to the setting tool. The method may comprise actuating the setting tool using the fluid pressure.

Abstract: A lift frame system and method of use including a lift frame capable of being moved from a stowed position to a drill center position and a skidding pallet with at least one personnel access and egress walkway platform. The skidding pallet is capable of moving along a plurality of rails and engaging a multipurpose tower. The lift frame may include levels, a coiled tubing injector, at least one pressure control equipment, stabilizing arms, a top drive, a hook, and a set of bails.

Abstract: A system for stick mitigation of a cable in a well includes a derrick operatively aligned with a well. The derrick supports a cable and a cable injector. The cable injector is operatively aligned with the well and the cable, and the cable injector is disengaged during normal operations.

Abstract: A joint for disposing between a rotatable drum and stationary surface equipment. The joint serves as a channel through which optical data from a well access line may be routed through the rotating drum and to the stationary equipment for processing. The optical data may be routed in a manner that allows for multi-fiber transmissions with one fiber dedicated to uphole transmissions and another dedicated to downhole transmissions. This is achieved through embodiments of the joint in spite of the separate optical channels involved sharing the same central axis to allow for data transfer between moving and stationary joint components.

Abstract: This disclosure is directed to a connector apparatus for a semi-flexible tubing. The connector apparatus includes an inner sub having a first end disposable within a semi-flexible tubing and a second end connectable to various other downhole tools. The first end of the inner sub includes at least one depression disposed thereon that is generally alignable with at least one depression disposed on the semi-flexible tubing. The connector apparatus also includes an external sleeve disposable outside of the semi-flexible tubing. The external sleeve having at least one opening disposed therein generally aligned with the at least one depression in the first end of the inner sub. This disclosure is also directed to a method of installing the connector apparatus on a semi-flexible tubing and a method of running the semi-flexible tubing and a downhole tool into a wellbore via the connector apparatus disclosed herein.

Abstract: A system for deploying cable that includes a housing. The housing is configured to receive circulating lubricant, and a drive assembly is located within the housing. The drive assembly includes a first gripper portion and a second gripper portion. The grips portions are supported by independent frames. An actuator is connected with one of the frames. The actuator provides force that causes the gripper portions to engage and cooperate to support and deploy cable.

Abstract: A method for securing a signal propagating line to a downhole component includes configuring the downhole component in a final form prior to securing the line thereto; positioning the line at an outside dimension of the component; and fusing the line to the component with a heat based fusion method and apparatus therefore.

Abstract: Systems, program product, and methods for monitoring linearity of a down-hole pumping system assembly during deployment within a bore of a casing of a well positioned to extract hydrocarbons from a subterranean reservoir and selecting an optimal operational position for the down-hole pumping system assembly within the bore of the casing, are provided. Various embodiments of the systems allow an operator to ensure that a motor and pump of a down-hole pumping system assembly are installed in an optimal position in a well by ensuring alignment across the pump stages casing and motor casing. The alignment and linearity of the pump and motor can be crucial to run life of the pump and/or motor.

Abstract: Disclosed is an improved tension member or slickline used in wellbore intervention operations. One exemplary tension member includes a first portion comprising a metallic material and having a distal end, a second portion comprising a non-metallic material and having a proximal end, and a joint coupling the proximal end of the second portion to the distal end of the first portion.

Abstract: A clamp assembly provides an attachment point for securely gripping pipe or other tubular goods including, without limitation, a section of coiled tubing. The clamp assembly beneficially includes a pad-eye member for attaching the clamp assembly (and any attached tubing) to a hook of a crane or other lifting mechanism. The clamp assembly also prevents partially unspooled coiled tubing from re-winding through a winding guide of a spool, thereby maintaining a distal outer end of the coiled tubing in an easily accessible location.

Abstract: A casing annulus remediation hose assembly having a hose with an inlet in selective fluid communication with a fluid supply and an exit connected to a nozzle. On the nozzle is an insertion tip for facilitating insertion and retrieval of the hose assembly in and out of an annulus in a wellhead assembly. The insertion tip has an outer annular flexible housing that is coaxially attached to the nozzle and spherical weighted members arranged in series in the housing. A cable extends coaxially from a downstream end of the nozzle and through each weighted member.

Abstract: A cable and tubing suspends an electrically powered tool in a borehole and provides the tool with electrical power. The cable is disposed in the tubing, and the cable incorporates a conducting member which carries the majority of the tensile stress on the cable without the cable being secured along its length to the inside of the tubing. The cable may be capable of supplying high voltage electrical power, in which case the cable comprises a conducting member having a steel core, an outer cladding of copper, and at least one insulating layer surrounding the outer cladding of copper. The copper makes up between 20% and 40% of the total metal content of the cable, the cable being able to support at least its own weight.