Abstract: A system can include a bottom hole assembly, a wireline and a capillary tube connected to the bottom hole assembly, and a dual pack-off assembly that seals about the wireline and the capillary tube. A method can include connecting a bottom hole assembly to a wireline and a capillary tube, deploying the bottom hole assembly into a wellbore, and increasing pressure in the capillary tube, thereby setting a packer of the bottom hole assembly. A dual pack-off assembly can include a lubricator connector, pack-offs configured to seal about a capillary tube and a wireline, and pipes connected between the respective pack-offs and the lubricator connector.

Abstract: A method of cleaning a well includes flowing well fluid within the well while running a cleaning tool into the well, injecting the well fluid with a fluid thickening agent through multiple nozzles of the well cleaning tool to form thickened well fluid, dislodging metallic debris and non-metallic debris accumulated along a wall of the well with multiple brushes of the cleaning tool, carrying the non-metallic debris out of the well with the thickened well fluid, and capturing the metallic debris at a capture device of the cleaning tool.

Abstract: A side-outlet adaptor assembly for repairing a side-outlet of a wellhead spool is disclosed. The side-outlet adaptor assembly includes an isolation sleeve having a first portion adapted to be received by the side-outlet and a second portion adapted to be received by an adaptor, the adaptor having a wellhead-side opening adapted to receive the isolation sleeve and a gate-valve-side (GV-side) opening adapted to receive a valve replacement (VR) plug, and a test port arranged on the adaptor for performing a pressure test of the side-outlet.

Abstract: A bending apparatus for coiled tubing protects the entire path of coiled tubing from the reel to the injector, while still protecting a main controlled bend from the reel to the injector. The bending apparatus includes a conduit having a bend portion and a flexible portion. The main controlled bend is isolated in the bend portion, while a smaller adjustment bend is designed for the flexible portion. The changes in the upright angle from dispensing coiled tubing from different levels of the reel no longer cause damage. The changes in the lateral angle from dispensing coiled tubing from both sides of the reel no longer cause damage. A table mount can also be added to allow more adjustment for changes in the lateral angle.

Abstract: A coiled tubing injector system may include a coiled tubing injector guide configured for guiding coiled tubing into a coiled tubing injector and a remotely adjustable guide mechanism. The remotely adjustable guide mechanism may include a guide mount configured for adjustably securing the coiled tubing injector guide to a frame of the coiled tubing injector and a drive mechanism configured for remotely adjusting a position of the guide mount relative to the frame.

Abstract: A rotating joint apparatus includes a first section, a second section, and an interface between the first section and the second section. A bearing at the interface is configured such that the first section is rotatable relative to the second section. A main flow passage extends through the first section and the second section. A signal conductor is accessible, by a first connector on an exterior surface of the first section and, and by a second connector on an exterior surface of the second section. The signal conductor includes a signal transmission assembly at the interface.

Abstract: A method for synchronizing downhole tractor and surface winch deployment includes inserting into a wellbore a tool string connected to a wireline, where the tool string includes a variable speed tractor. The method also includes deploying the tractor, and deploying the wireline from a winch. The method further includes dynamically monitoring, by a device disposed downhole, a wireline tension as an indicator of synchronization of the tractor and winch.

Abstract: A combination tubular handler and power swivel unit having an extendable trough to raise a tubular to a rig floor height. A raising leg connected with the trough assembly. A following leg movingly coupled with an end of the trough assembly. This handler is configured to move the power swivel and other miscellaneous tools and equipment to the rig floor without winches or cables. A hydraulic swivel rack allows parking the swivel out of the way in a storage location when not in use.

Abstract: A lubricator system according to which a lubricator defines an internal passage that extends along a curvilinear path. The lubricator is configured to be connected to a wellhead at the top or head of an oil and gas wellbore. A downhole tool is configured to be conveyed through the internal passage of the lubricator and along the curvilinear path in combination with a conveyance string connected to the downhole tool. The downhole tool may be, include, or be part of, for example, a perforating gun.

Abstract: Geotechnical apparatus comprising at least one rod provided with a probe, which rod has a longitudinal bore extending along its body which is in fluid communication with one or more lubricating openings behind the probe for introducing lubricant along the rod's superficial area, wherein the apparatus further comprises a drive unit for the at least one rod for pushing said rod into the ground or pulling it from the ground.

Abstract: A lifting mast assembly includes telescoping load bearing arms pivotably coupled to a support base and configured to pivot in unison. Each telescoping arm includes a first arm section and an aligned second arm section. The first arm sections are configured to telescope in unison with one another. Likewise, the second arm sections are configured to telescope in unison with one another. Each first arm section may telescope independently of the second arm section with which it is coaxially aligned. A first support member is coupled to each of the first arm sections, and a second support member is coupled to each of the second arm sections. Different loads can be supported on the first and second support members simultaneously.

Abstract: Disclosed herein is a mounting structure of a fuel rail, including a mounting boss part having a through-hole formed in a longitudinal direction and a first mating surface formed at an outer surface, an injector cup part provided separately from the mounting boss part and having a second mating surface formed at an outer surface and a flow path hole formed at one side of the second mating surface to be connected to the main pipe for transferring fuel to an injector, and a bridge part connecting the mounting boss part and the injector cup part and having a third mating surface. The mounting structure of the fuel rail can effectively distribute stress concentration by increasing contact area with the main pipe, thereby improving fatigue strength.

Abstract: The guide apparatus for tubular members prevents buckling, when a snubbing unit inserts the tubular member into a well. The guide apparatus includes a lower slotted cylinder having a plurality of rib extensions projecting upward so as to form lower slots, and an upper slotted cylinder a plurality of complementary rib extensions projecting downward so as to form upper slots. The lower slotted cylinder engages the upper slotted cylinder by sliding the rib extensions into the upper slots and the complementary rib extensions into the lower slots. The guide apparatus coordinates the slotted cylinders with traveling slip bowls and stationary slip bowls of a snubbing unit so that relative movement of the slotted cylinders corresponds to movement of the slip bowls. The rib extensions, the complementary rib extensions, or both support the entire length of tubular member between the slip bowls, when being snubbed.

Abstract: The present invention provides a device, namely a hydraulic-mechanical pipe connector that allows a simple, user friendly way to attach pipe and tools to one another whether this is a single connection to a bottom hole assembly or a splice connection joining two pipe ends together, thereby eliminating the need for tools such as wrenches and tongs and removing the need and difficulty of requiring pipe rotation to make up the connection. It also provides a simple, safe and efficient manner to affix a tool, sub assembly, bottom hole assembly or similar oil tools to the end of a pipe that has no thread attachment, without the need for the hand tools and wrenches. More importantly, the present invention provides a device that can splice multiple pipe or coil sizes together using the hydraulic actuation technique.

Abstract: A drum unit for an intervention string for a well includes a drum with a drum axis and with a radius, arranged in a structural frame and rotatable by a motor and a tension compensator. The tension compensator includes a guide arch displaceable in a direction generally along the intervention string, orthogonal to the drum axis, using a first force device connected to the structural frame for keeping the intervention string in tension. At least a first end of the guide arch is laterally displaceable in a direction generally orthogonal to the intervention string, parallel with the drum axis. The intervention string runs between the guide arch to or from the first end 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, directly or indirectly to or from the well.

Abstract: A method and system are for establishing and operating a riser less coiled tubing intervention arrangement from a surface vessel, the vessel having a deck and a coiled tubing reel holding a coiled tubing, and where a subsea injector is connectable to a head of a subsea borehole. The method includes: arranging; the coiled tubing in a surface injector and the subsea injector, attaching, the surface injector to a lifting tackle of the vessel; after connecting a tool string to the coiled tubing, lowering the coiled tubing tool string and the subsea injector through the sea to the head by running the surface injector while paying out coiled tubing from the coiled tubing reel; and inserting, the tool string in the head and connecting the subsea injector to the head.

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: Subterranean room conduit conveyor assemblies are provided comprising a conveyor operatively aligned with a guide assembly, the guide assembly operatively aligned with a subterranean well head. Methods for extending conduit from a subterranean room to within a well extending from the room to within the earth surrounding the room are provided, the methods comprising operatively aligning a conveyor assembly with the well head of the well, feeding coiled conduit to the conveyor assembly, and conveying the conduit from the assembly into the well head of the well from the room. Well clean out nozzles are provided as well.

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: An embodiment of an integrated well access assembly comprises a prime mover, a positioning pump coupled to the prime mover for positioning a well access line relative to the well, and a hydraulic treating pump coupled to the prime mover for pumping a fluid into the well access line.

Abstract: A technique facilitates the plastic deformation of tubing to a desired size and shape. The technique enables deformation of tubing, such as a coiled tubing end, in a manner which facilitates installation of a tubing connector. A tubing forming device is used in cooperation with a tubing injector. The tubing injector moves the tubing through a die of the tubing forming device in a linear direction so as to deform the tubing to a desired shape and/or size.

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 positioning a trailer mounted coiled tubing tensioner either in a first stowed position on the deck of a transport trailer or in a second position resting on an elevated rig floor of a drilling rig is described. The system for selectably elevating a coiled tubing tensioner from its first stowed position to its second position on the rig floor of a drilling rig includes the cooperative operation of the coiled tubing tensioner and its frame, multiple pivotable swing arms attached to the trailer at one end and the tensioner frame at the other end, an elevatable mast, a crown block, a drawworks winch, a top drive, a pair of tensioner lifting winches and multiple lifting lines deployed from the mast and reeved through sheaves mounted on the tensioner frame and the top drive.

Abstract: A method and system for monitoring a cable within a coiled tubing is disclosed. A first set of excitation signals is applied to the coiled tubing at a first point in time. The first set of excitation signals comprises one or more signals applied at one or more depths. The cable is positioned at a first location within the coiled tubing at the first point in time. A signal corresponding to the first set of excitation signals is detected at one or more fiber optic lines associated with the cable and location of the cable within the coiled tubing is determined using the detected signal corresponding to the first excitation signal.

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.

Abstract: A method of producing an umbilical includes providing an elongate flat metal strip, providing an elongate service carrier, encasing the service carrier in an insulation that is strain tolerant and high temperature tolerant, forming the metal strip into a tube shape around the insulated service carrier, and thereafter welding the edges of the metal strip to form a tube surrounding the insulated service carrier. The method may further comprise coiling the umbilical onto a spool. Such an umbilical may be useful for carrying fluids, power, control signals, or the like into a well.

Abstract: A method of servicing an electric submersible pump in a well with a positive wellhead pressure includes providing production tubing in the well casing, a coil tubing string within the production tubing having an electric submersible pump at a downhole end of the coil tubing string, and a pump-receiving housing above the injection port of the wellhead. With the injection port sealed and the pump-receiving housing opened, the electric submersible pump may be inserted or removed from the pump-receiving housing. With the pump-receiving housing closed and the injection port opened, the electric submersible pump may be moved to or from the production tubing in the well.

Abstract: A coil tubing rig (12) is supported on a carrier trailer (24) in transit and during rig operations. A plurality of a hydraulic tracks (30), (32) each connected to the carrier trailer may be activated to raise and lower the carrier trailer from the loading position to a rig operating position. A dolly assembly including a plurality of wheels supports the carrier trailer during transit, and hydraulic jacks both incline the carrier trailer to a rig loading/unloading position such that a front end of the carrier trailer is substantially at ground level, and raise the rig to a desired elevation for conducting rig operations.

Abstract: A winch drive assembly includes a drum having a cylindrical spool located axially between a first hollow annular flange and a second substantially circular flange having a central axle. A hydraulic motor has an inner stator and an outer rotor, the outer rotor of which releasably engages the first hollow annular flange of the drum. A braking system is positioned adjacent the outer rotor of the hydraulic motor and a support member releasably engages the central axle of the second flange of the drum.

Abstract: A fiber optic coiled tubing assembly of multiple segments and coupling mechanism therefor. The assembly may be assembled from multiple coiled tubing segments which are pre-loaded with fiber optic line. Thus, the coupling mechanism may be employed for physical coupling of the coiled tubing segments as well as communicative coupling of the lines of the separate segments to one another. As such, pumping of a single fiber optic line through the coiled tubing assembly following coupling of the segments may be avoided. This may be of particular benefit for offshore operations where the joining of multiple coiled tubing segments is likely due to crane load capacity limitations and where such pumping may consume vast amounts of time.

Abstract: A method of forming a tubular conduit in a borehole, wherein the borehole is closed by means of a pressure barrier capable of sustaining a borehole pressure and having at least one pressure sealable inlet, comprises: introducing a substantially flat, elongate flexible member into the borehole; and forming the flexible member into a tubular form to define the conduit inside the borehole below the pressure barrier. An apparatus for forming a tubular conduit in a borehole closed by a pressure barrier capable of sustaining a borehole pressure and having at least one pressure sealable inlet, comprises: a supply of a substantially flat, elongate flexible member; a feed system for introducing the member into the borehole; and a former below the pressure barrier for forming the flat member into a substantially tubular conduit in the borehole.

Abstract: A method for accessing a hydrocarbon reservoir in a subterranean formation from a subterranean tunnel system includes (a) drilling a first bore between an upper tunnel and a lower tunnel. In addition, the method includes (b) drilling a second bore downward from the lower tunnel.

Abstract: There is provided a system, apparatus and methods for the laser drilling of a borehole in the earth. There is further provided with in the systems a means for delivering high power laser energy down a deep borehole, while maintaining the high power to advance such boreholes deep into the earth and at highly efficient advancement rates, a laser bottom hole assembly, and fluid directing techniques and assemblies for removing the displaced material from the borehole.

Abstract: A coiled tubing unit includes a coiled tubing reel skid comprising a load supporting skid frame having a plurality of guide post sleeves and a reel skid landing platform comprising a plurality of guide posts that mate with the plurality of guide post sleeves, wherein mating of the guide posts with the guide post sleeves is configurable so that the coiled tubing reel skid is disposable at multiple positions on the landing platform. The coiled tubing unit is configurable for many different weight distribution requirements.

Abstract: A system is provided for drilling and/or servicing a well bore using continuous lengths of coiled tubing in which a turntable assembly rotates a coiled tubing reel assembly and a counter balance system about the well bore such that the coiled tubing is rotated while in the wellbore. A coiled tubing injector may be provided on a separate turntable assembly or on the same turntable assembly as the reel assembly. A swivel support assembly may be provided for managing operation lines associated with the system.

Abstract: The present disclosure relates to a coiled tubing unit. The coiled tubing unit may include coiled tubing with a cable disposed within the coiled tubing. Further, the coiled tubing unit may include a spool about which at least a portion of the coiled tubing is wound, an injector header configured to move the coiled tubing, and a cable slack monitoring feature. The cable slack monitoring feature may be configured to detect an accumulation of cable slack in a portion of the coiled tubing.

Abstract: A method and apparatus for measuring formation properties comprising coiled tubing fitted with a bottom hole assembly, wherein said bottom hole assembly comprises means to measure formation fluid properties, means to transmit said formation fluid properties to a surface monitoring system, means to isolate a section of a wellbore, and means to control the flow of fluid entering said coiled tubing.

Abstract: A control circuit for a coiled tubing injector includes a circuit controller (14). One or more counterbalance vales (3) may be responsive to the circuit controller to prevent the tubing string from descending into the wellbore during rate of penetration movement. In one embodiment, a control valve (4) allows fluid to flow through a bypass line around the counterbalance valves when drilling in a weight-on-bit mode. Other hydraulic control circuits allow for the release of fluid pressure to control the injector hydraulic motor. In yet another embodiment, the control circuit regulates power to an electric motor of the injector.

Abstract: A system is provided for drilling and/or servicing a well bore using continuous lengths of coiled tubing in which a turntable assembly rotates a coiled tubing reel assembly and a counter balance system about the well bore such that the coiled tubing is rotated while in the wellbore. A coiled tubing injector may be provided on a separate turntable assembly or on the same turntable assembly as the reel assembly. A swivel support assembly may be provided for managing operation lines associated with the system.

Abstract: A spool for deploying and retrieving multiple separate strings of continuous tubing, such as over the side of or through the moon pool of a boat, rig or other vessel, without the need of an injector head. The spool has at least one rotating swivel to permit pumping of fluid(s) down, or back up, tubing strings while the spool is rotating or stationary. A level-wind assembly having at least one sheave directs the continuous tubing overboard, but also level-winds the tubing onto the spool in an orderly fashion through lateral movement of the sheave. The system is powered by a hydraulic power unit with a remote control console.

Abstract: A system and method for axially displacing a portion of coiled tubing into and/or out of a wellbore so that the coiled tubing does not incur a fatigue cycle during such axial displacement, such as, but not limited to a translation system located between the wellhead and the injector head base to axially displace the injector head and, therefore, the gripped coiled tubing, away from and toward, the wellhead.

Abstract: A BOP heating method includes operating a coiled tubing unit (CTU) using hydraulic fluid. The fluid is supplied from the CTU to an exchange tube and returned from the exchange tube to the CTU. The method includes transmitting heat from the fluid to an inner plate. Heat is transmitted from the inner plate to a BOP on which the inner plate is temporarily mounted. A BOP heating system includes a CTU configured to use hydraulic fluid, a supply tube configured to supply fluid from the CTU to an exchange tube, and a return tube configured to return fluid from the exchange tube to the CTU. A BOP heat exchange unit includes an outer plate and an inner plate, an exchange tube between the outer plate and the inner plate, and a heat spreading material between the exchange tube and the inner plate. The exchange unit lacks any electrical component.

Abstract: In some embodiments, apparatus useful for providing tubing into an underwater well includes at least one surface injector configured to control movement of the tubing into and out of the well and at least one underwater injector configured to apply pushing and pulling forces to the tubing.

Abstract: A system and methodology facilitates an operation utilizing coiled tubing. The technique comprises coupling a hydraulic assist device to coiled tubing. A fluid is flowed into an enclosure such as a wellbore and along the coiled tubing. The fluid is flowed against the hydraulic assist device, and the action of this fluid against the hydraulic assist device creates a pulling force on the coiled tubing. The pulling force facilitates movement of the coiled tubing along the wellbore or other enclosure to provide the coiled tubing with greater reach for a variety of intervention operations or other types of operations.

Abstract: A reel assembly for supplying a continuous composite tubing of a type used in oilfield operations, which reel assembly comprises a stand onto which a spool of continuous composite tubing is lowered and a drive coupling for transmitting rotational force from the stand to the spool. A removable cage is connected with the stand. The continuous composite tubing is arranged around the outer periphery of the spool, in a U-formed housing.

Abstract: A coiled tubing unit includes a coiled tubing reel skid comprising a load supporting skid frame having a plurality of guide post sleeves and a reel skid landing platform comprising a plurality of guide posts that mate with the plurality of guide post sleeves, wherein mating of the guide posts with the guide post sleeves is configurable so that the coiled tubing reel skid is disposable at multiple positions on the landing platform. The coiled tubing unit is configurable for many different weight distribution requirements.

Abstract: An apparatus including a coiled tubing unit coupled to a drilling rig, and an enclosure surrounding the coiled tubing unit. The coiled tubing unit may include a coiled tubing reel and a coiled tubing injector, wherein the injector may move relative to the coiled tubing reel. The coiled tubing unit is configured to move relative to the drilling rig in both longitudinal and lateral directions.

Abstract: A drum unit for an intervention string for a well includes a drum with a drum axis and with a radius, arranged in a structural frame and rotatable by a motor and a tension compensator. The tension compensator includes a guide arch displaceable in a direction generally along the intervention string, orthogonal to the drum axis, using a first force device connected to the structural frame for keeping the intervention string in tension. At least a first end of the guide arch is laterally displaceable in a direction generally orthogonal to the intervention string, parallel with the drum axis. The intervention string runs between the guide arch to or from the first end 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, directly or indirectly to or from the well.

Abstract: A system for conducting earth borehole operations comprising a CT carrier, a reel of CT rotatably mounted on the CT carrier, a mast carrier, separate from the CT carrier, a mast mounted on the mast carrier and movable between a lowered position for transport and a position transverse to the horizontal, a top drive carried by the mast, the top drive being longitudinally movable along the mast and a CT injector on the mast carrier.

Abstract: A rod reel includes a reel body having a central axis, a first rod receiving channel and a second rod receiving channel. The first and second rod receiving channels are centered about the central axis. The second rod receiving channel is adjacent to the first rod receiving channel. The rod reel may be used to repair a rod string by loading a supplemental rod string in one of the pockets, loading the rod string into another of the pockets, cutting the rod string, and attaching a desired length of the supplemental rod string to the cut in the rod string.