Abstract: A coiled tubing injector for running coiled tubing into and out of a well in a hydrocarbon-bearing formation, includes a coiled tubing injector head including a base and a gripping mechanism configured to grip the coiled tubing running through the base and to advance and retract the coiled tubing, and a control system. The control system includes a coiled tubing indicator disposed between the gripping mechanism and a blowout preventer coupled to a head of the well, to indicate a change from presence of the coiled tubing to absence of the coiled tubing. The control system also includes a gripping mechanism control coupled to the coiled tubing indicator and operable to stop movement of gripping mechanism, thus discontinuing movement of the coiled tubing in response to the coiled tubing indicator indicating the change from the presence of the coiled tubing to the absence of the coiled tubing.

Abstract: A coiled tubing system includes an injector assembly configured to receive and longitudinally move coiled tubing through the injector assembly, a well control stack operatively coupled to the injector assembly and configured to receive the coiled tubing from the injector assembly, and a snap arrestor including one or more wheels configured to rotate as the coiled tubing moves longitudinally, a tachometer that measures rotations per minute (RPM), and a microprocessor that receives and converts the RPM into a real-time measured linear speed of the coiled tubing. When the real-time measured linear speed of the coiled tubing exceeds a predetermined linear speed threshold, a command signal is sent to the injector assembly to grippingly engage the coiled tubing and thereby cease longitudinal movement of the coiled tubing.

Abstract: Methods for treating a wellbore. An example method includes positioning a conduit in the wellbore. The conduit is a liner hanger or a tie-back liner. The conduit includes a conduit body and a reactive metal sealing element disposed on the conduit body. The reactive metal sealing element includes a reactive metal having a first volume. The method further includes contacting the reactive metal with a fluid that reacts with the reactive metal to produce a reaction product having a second volume greater than the first volume. The method further includes contacting a surface adjacent to the reactive metal sealing element with the reaction product.

Abstract: A tapered nose tool includes a housing, a retrievable tapered nose disposed in the housing and retrievable from the housing, and a mechanically shiftable sleeve. The mechanically shiftable sleeve is shiftable with a shifting profile disposed in the housing. The sleeve anchors the nose in the housing in a first position and releases the nose from the housing in a second position.

Abstract: A subterranean zone fluid sample tool includes an elongated tubular tool body configured to be disposed within a wellbore formed in a subterranean zone including multiple formations. The tool body includes multiple axial portions. The tool body has a length sufficient for a respective axial portion of the multiple axial portions to reside in each formation of the multiple formations. The tool includes multiple fluid sample probes configured to sample fluids in the multiple formations. The multiple fluid sample probes are radially offset from each other on a circumferential surface of the tool body. Each fluid sample probe is attached to a respective axial portion of the tool body that is configured to reside in a respective formation. The multiple fluid sample probes are configured to simultaneously sample fluids in the respective formation.

Abstract: The present disclosure relates generally to downhole tubulars, and more particularly, to tubular expanders for downhole tubulars that have a detachable expansion ring, which can be detached from the tubular expander in the event that full expansion cannot be achieved or the tubular expander should get stuck in the downhole tubular being expanded. The detachable expansion ring may be attached to an end of an expansion cone that is disposed within a main body of the tubular expander. Tubing hangers are one exemplary downhole tubular device which can be expanded using the tubular expander in accordance with the present invention.

Abstract: A drilling system for use in rotary coiled tubing drilling of deviated wellbores is provided. The drilling system includes a base, a derrick mounted on the base, a top drive system mounted on the derrick; and a coiled tubing module. The coiled tubing module is adapted to move a coiled tubing in and out of the deviated wellbore and coupled to the top drive system on the derrick. A capsule of the coiled tubing module, which holds a coil of coiled tubing, is carried and rotated by the top drive system to transfer torque to the coiled tubing moving in and out of the deviated wellbore to perform rotary coiled tubing drilling.

Abstract: The present invention relates to a downhole method for providing a zonal isolation at a predetermined position in an annulus between a wall of a borehole and a well tubular metal structure having a longitudinal extension in an existing well, comprising inserting a downhole tool in the well tubular metal structure, positioning the downhole tool opposite the predetermined position, separating a first section of the well tubular metal structure from a second section of the well tubular metal structure by machining into and along a circumference of the well tubular metal structure, inserting an unexpanded annular barrier between the first section and the second section, and expanding the annular barrier for providing zonal isolation at the predetermined position.

Abstract: A tubing for an electric submersible pump (ESP) for oil production. Cables are wrapped outside a first outer sheath at equal intervals; an inner side of the cable is covered with an insulating layer; an inner side of the insulating layer is covered with an aluminum tape; and a conductor is nested inside the aluminum tape. The inner pipe is combined with the cable to meet the oil production requirement of a coiled tubing (CT) and solve a power transmission problem of the submersible pump. The first outer sheath and a second outer sheath ensure that the tubing has a high bearing capacity and stability inside. A first steel belt and a second steel belt ensure a high resistance to pulling and deformation inside the tubing in use.

Abstract: A stinger is stabbed into a bore opening of a downhole tool to communicate fluid from a fluid line to the downhole tool. The stinger body defines a bore that communicates with the bore opening of the tool when the stinger body is installed in the downhole tool. An external surface of the stinger body can seal and lock inside an inside surface of the tool's bore opening when the stinger body is installed therein. The stinger body has a flow passage connected to the fluid line. A stinger port in the external surface of the stinger body is in communication with the flow passage and positions in fluid communication with a tool port inside the tool's bore opening so fluid can be communicated to the downhole tool.

Abstract: A passive rotating jointed tubular continuous snubbing injector is provided for moving connected, segmented oilfield tubulars axially into or out of horizontal, extended-reach oil and natural gas wells that may contain pressurized fluid or gas to complete for production, work over and service the wells, utilizing an operation commonly known as snubbing. The injector can include variable diameter gripping mechanisms that, in combination with linear drive mechanisms, can apply radial force onto and over a certain length of the tubular, of the tubular string, and onto and over a coupling or tool joint connecting tubulars together while moving the tubular string axially into or out of the well. Further, the injector may rotate in response to the rotation of tubulars while the injector is moving the tubular string into or out of the well.

Abstract: Expandable tube members that are fabricated from a composite material that includes a structural plastic, which structural plastic includes phase change materials that undergo a permanent expansion upon exposure to wellbore conditions. This permanent expansion of the structural plastic causes the expandable tube member to expand radially and/or longitudinally without the use of an expansion tool. The expandable tube member can be used to control fluid loss, patch wells, stabilize a formation in a wellbore, enhance flow, provide sand screening, and repair damaged pipes, casings, or liners.

Abstract: In a toilet bowl composed of a plurality of resin-made components, at least one resin-made component includes a base material made of a foam synthetic resin, and a coating layer made of a polyurea resin covering a surface of the base material. A flush toilet tank includes a base material made of a foam synthetic resin molded in a tank shape, and a coating layer made of a polyurea resin covering a surface of the base material on an inner surface and an outer surface in the tank shape. A pipe body inserted, as a new pipe, into an aging already-existing pipe includes a base material made of a foam synthetic resin formed in a pipe shape, and a coating layer made of a polyurea resin covering a surface of the base material on an inner surface and an outer surface in the pipe shape.

Abstract: A method for determining the activation of an expandable sand screen may comprise disposing an electromagnetic (EM) detection tool into a wellbore. The EM detection tool may comprise at least one transmitter and at least one receiver. The method may further comprise transmitting an EM field from the one or more transmitters into the expandable sand screen to energize the expandable sand screen and form an eddy current, recording a voltage of the eddy current with the at least one receiver, and determining an activation state of the expandable sand screen based at least partially on the voltage of the eddy current.

Abstract: A drilling system for use in rotary coiled tubing drilling of deviated wellbores is provided. The drilling system includes a base, a derrick mounted on the base, a top drive system mounted on the derrick; and a coiled tubing module. The coiled tubing module is adapted to move a coiled tubing in and out of the deviated wellbore and coupled to the top drive system on the derrick. A capsule of the coiled tubing module, which holds a coil of coiled tubing, is carried and rotated by the top drive system to transfer torque to the coiled tubing moving in and out of the deviated wellbore to perform rotary coiled tubing drilling.

Abstract: A first layer of the multi-layered reservoir is produced through a coiled tubing production string. The coiled tubing production string is located within a wellbore that includes a first horizontal section within the first layer. The coiled tubing production string includes a packer at a downhole end of the coiled tubing production string. The packer seals an annulus that is defined by an outer surface of the coiled tubing production string and an inner surface of the wellbore. The coiled tubing is retracted from the first layer of the multi-layered reservoir to a second layer of the multi-layered reservoir. The second layer is uphole of the first layer. The first layer is sealed from the second layer. The second layer produced through the coiled tubing production string. The coiled tubing production string is located within the wellbore that includes a second horizontal section within the second layer.

Abstract: A wireline system for use during drilling operations. The wireline system has a wireline assembly and a roller assembly. Both the wireline assembly and the roller assembly are positioned within a front portion of a drill rig.

Abstract: The present application relates to a method for pressurizing the inner flow space of an underwater flexible pipe intended for transporting hydrocarbons, comprising the following steps: a) providing a flexible pipe comprising a reinforcing layer made up of a short-pitch winding of at least one metal wire with noncontiguous turns around a thermoplastic polymer sheath defining an inner space, then b) filling the inner space of the flexible pipe with an oil, then c) increasing the inner pressure Pi of the flexible pipe to at least 10 MPa, the inner pressure being exerted by said oil, then d?) maintaining the inner pressure Pi of the flexible pipe at a pressure of at least 10 MPa for a time D of at least one minute, characterized in that said oil has a kinematic viscosity at 40° C., measured according to the ASTM D445 standard, of more than 10 mm2/s. This method makes it possible to reduce, or even prevent, the appearance of cavitation and crazing on the polymer sheath.

Abstract: In one embodiment, a method of completing a wellbore (10) includes positioning an expandable tubular having a support layer (121) disposed on an exterior of the expandable tubular inside a casing (15); mechanically expanding the tubular and the support layer, wherein a distance between an outer diameter of the support layer and the inner diameter of the casing is sufficient to prevent burst of the tubular; and hydraulically expanding the support layer into contact with the casing.

Abstract: A well tool can include an annular seal and a radial expansion mechanism having radially retracted and radially expanded configurations, the annular seal being longitudinally displaceable relative to the radial expansion mechanism in the radially retracted configuration. A method of setting a well tool can include positioning the well tool in a well, the well tool including an annular seal and a radial expansion mechanism, and then longitudinally displacing the annular seal to a radially outward position relative to the radial expansion mechanism. A well system can include a well tool including an annular seal, a radial expansion mechanism, an inner mandrel assembly and a setting sleeve, and a setting tool that produces a relative longitudinal displacement between the setting sleeve and the inner mandrel assembly, the annular seal radially outwardly overlying the radial expansion mechanism in response to the relative longitudinal displacement.

Abstract: An apparatus that includes at least two well control mechanisms and at least one sensor to avoid collision between a section of a tubing string coupler or that is moving through the apparatus and a wellbore to which the apparatus is coupled. The sensors detect the presence of magnetic objects, such as sections of a tubing string, and measure their respective outer diameters (OD). The sensors detect when any larger OD sections of the tubing string before the larger OD section can collide with one of the well control mechanisms. The sensors direct their outputs to a controller that can identify an imminent collision state. When an imminent collision state is identified, the controller will send commands to stop movement of the tubular to avoid the collision. Movement of the tubular will not resume until the well control mechanism has been actuated to avoid collision with the larger OD section.

Abstract: A system is provided for injecting coiled tubing (CT) into and out of a wellbore. In embodiments, separate injector and reel units are provided releasing constraints on CT size and length. The injector unit is fit with an extendible mast for handling larger bottom hole assemblies and fit with a rotating gooseneck for accepting CT from alternate arrangements of the reel unit. The mast is reinforced to resist CT loading. The capacity of the reel is maximized for the reel unit transport envelope. The reel is rotated using an offset drive engaging a bounding reel flange, such as engaging drive and bull gears. A generally radial displacement of the drive from the reel permits replacement of the entire reel.

Abstract: A wet connection system suitable for use in hydrocarbon wells is formed from one or more elongated, small diameter conduits which extend down the wellbore and which terminate adjacent a locating structure on the production tubing. Equipment deployed at the locating structure is connected to one or more self supporting conductors which extend down the conduits from the wellhead. Preferably the conductors are retractable and the conduits are sealingly connected to the equipment, allowing the equipment and conductors to be deployed and recovered independently of each other and to be flushed with dielectric oil pumped down the conduits after re-connection.

Abstract: A geotechnical apparatus comprising a holder with a coiled rod with a probe, such as a penetrometer, a rod bending/straightening device and a drive unit for both uncoiling the coiled continuous rod and pushing the uncoiled rod with the probe into the ground and for pulling such a rod with the probe out of the ground and recoiling the continuous rod, wherein the drive unit comprises two grippers to alternatingly grip the rod and move it along its longitudinal axis over a predefined length, the bending/straightening device has a first set of rollers, at least two of which are at one side of the rod and the remaining rollers are at an opposing side of the rod, such that the rollers convert the coiled rod to an essentially straight rod when uncoiling and convert the straight rod to a coiled rod of essentially constant coil diameter when coiling.

Abstract: An oil field tubular for use as part of a well string, includes a hollow tube that forms a passage, each end of the tube configured for connection to the end of an adjacent string section to form a continuous string; a flapper, integrally connected within the hollow tube so that the flapper can move between an open position where the flapper allows fluids to pass through the hollow tube and a closed position where the flapper closes the passage and prevents passage of fluids therethrough, the flapper spaced away from the end connections of the hollow tube, the hollow tube further including a recess formed into part of the side wall, the flapper and tube configured so that in the open position the flapper locates into the recess.

Abstract: A safety valve with a pre-installed penetration member is disclosed. The penetration member is installed into the safety valve before installing the safety valve in the well. The penetration member is coupled to a cable which communicates with a downhole component, such as a gauge. Pulling the penetration member upward pulls the cable upward through the safety valve.

Abstract: A method of sealing an annulus around a drill-pipe when drilling down-hole includes providing a deflated packer on a drill-pipe when drilling down-hole; opening one or more ports to the packer using a ball-activated valve; and circulating drilling fluid to inflate said packer through said one or more ports, to thereby form a seal in the annulus around the drill-pipe. An apparatus to carry out this method is also provided.

Abstract: An apparatus to attach a control line to a tubular member, in which the apparatus includes a control line arm having a first control line guide coupled thereto, and a base having a second control line guide coupled thereto, with the control line arm coupled to the base and movable with respect to the base. The control line arm may be movable between a raised position and a collapsed position with respect to the base, and the control line arm may be at least one of slidably coupled and rotatably coupled to the base.

Abstract: The disclosure herein relates generally to devices and methods usable during well drilling and surface operations. More particularly, the disclosure herein relates to a rig incorporating a coiled tubing injector that engages downhole tools.

Abstract: A reference block which is machined from a single body of material and is a single block with reference pins integral therewith is configured for use in a method of manufacturing a head suspension by laser-welding the flexure to the load beam at a first welding spot so that a tongue is pressed against a convex portion under predetermined load. The method includes steps of forming, before joining the flexure and load beam together, at least one positioning reference hole in each of the flexure and load beam within a circular range that is defined around the first welding spot with a radius equal to a distance between the first welding spot and the projection, laying the flexure and load beam one on another, inserting the reference pins of the reference pin block into the reference holes, and laser-welding the flexure and load beam to each other at the first welding spot.

Abstract: A conveyor apparatus (2), so-called injector head, for feeding e.g. continuous tubing (7) or coiled tubing through the conveyor apparatus (2), to and from a wellhead and a well below and related to use of well tools.

Abstract: A cable arrangement for feeding power and signals to downhole equipment, such as an electrically submersible pump (6), within an oil or gas well, comprising an upper suspension element (15), a lower connector (22), a docking station (11?) for the downhole equipment coupled to said connector (22), and a cable (8a), comprising lines for power and signal. The cable extends between, and is coupled to, the upper suspension element (15) and the lower connector (22). The docking station (11?) is adapted for attachment to the inner surface of a production tubing (5), that a narrow gap is formed between the production tubing (5) and the downhole equipment (6). The cable (8) is shaped to fit inside the gap by having a first dimension in the radial direction of the gap, which is smaller than the gap and a second dimension in the tangential direction of the gap, which is substantially larger than the first dimension.

Abstract: The invention concerns a method of applying a coating in a liquid state to wellbore tubing, such as threaded connector parts or casing sections, before running the tubing downhole. The coating only cures while running downhole. The coating is an elastic curable coating composition, comprising a curable elastic thermosetting resin, a curing agent and a water-absorbing expansion agent. During make-up of a connector, the liquid coating composition acts as lubricant. When cured, the coating will swell when contacted with a wellbore fluid to ensure leak-tightness.

Abstract: Apparatus for bending a coiled tubing, the apparatus having a head portion for lateral insertion in a side opening in a wall of a well, the head portion defining a bending path for bending the coiled tubing during feeding thereof through the head portion, and the head portion having a coiled tubing straightener for straightening the coiled tubing during feeding. The coiled tubing straightener is retractable so that it can adopt a retracted position, for lateral insertion of the head portion into the side opening of the well wall. The head portion has, when the straightener is in the retracted position, a profile as viewed in the direction of lateral insertion, and the straightener being extendable for operation to straighten the coiled tubing to an extended position at least partly outside of the profile of the head portion.

Abstract: A system is provided for injecting coiled tubing (CT) into and out of a wellbore. In embodiments, separate injector and reel units are provided releasing constraints on CT size and length. The injector unit is fit with an extendible mast for handling larger bottom hole assemblies and fit with a rotating gooseneck for accepting CT from alternate arrangements of the reel unit. The mast is reinforced to resist CT loading. The capacity of the reel is maximized for the reel unit transport envelope. The reel is rotated using an offset drive engaging a bounding reel flange, such as engaging drive and bull gears. A generally radial displacement of the drive from the reel permits replacement of the entire reel.

Abstract: The invention relates to an injector head (2) comprising; a pair of oppositely located, cooperatively movable, segmented continuous belt drive chains (21; 22), said each belt drive chain (21, 22) running over a respective pair of drive sprockets (25a, 25b) and tension sprockets (26a, 26b), wherein a tubing receiving section (7?) is defined between the belt drive chains (21, 22). The tubing receiving section (7?) having a tubing section centerline (46) extending through the center of the tubing receiving section (7?). The injector head (2) having an injector centerline (45) extending through the centerline of the injector head (2), said injector centerline (45) and said tubing section centerline (46) being substantially aligned in the longitudinal direction in an initial position, a pair of elongate counter-force members (32a, 32b) is positioned at each side of the tubing receiving section (7?).

Abstract: A liner installation system for use in a wellbore having a casing string disposed therein. The system includes a liner string having a liner hanger and a liner top and a setting tool having an expansion cone assembly and a locator cylinder. After running the liner string through the casing string such that at least the liner hanger is positioned within the wellbore casing, the setting tool is run through the casing string until the locator cylinder contacts the liner top. Thereafter, axially moving the expansion cone assembly through the liner string radially expands the liner hanger into contact with the casing string.

Abstract: The disclosure herein relates generally to devices and methods usable during well drilling and surface operations. More particularly, the disclosure herein relates to a rig incorporating a coiled tubing injector that engages downhole tools.

Abstract: A gripper mechanism for a downhole tool is disclosed that includes an eccentric linkage mechanism. In operation, an axial force generated by a power section of the gripper expands the linkage mechanism, which applies a radial force to the interior surface of a wellbore or passage. A sliding portion allows the gripper to slide along a surface of the formation in response to the radial force applied to the interior surface of the wellbore or passage.

Abstract: A bottom hole assembly for a casing-while-drilling operation utilizes a tethered float valve to retrieve the bottom hole assembly after the casing string has been positioned at a desired wellbore depth.

Abstract: A downhole completion assembly for sealing and supporting an open hole section of a wellbore includes a sealing structure movable between contracted and expanded configurations, a truss structure also movable between contracted and expanded configurations, wherein, when in their respective contracted configurations, the sealing and truss structures are each able to axially traverse production tubing extended within a wellbore, a conveyance device operably coupled to the sealing and truss structures and configured to transport the sealing and truss structures in their respective contracted configurations through the production tubing and to an open hole section of the wellbore, and a deployment device operably connected to the sealing and truss structures and configured to radially expand the sealing and truss structures from their respective contracted configurations to their respective expanded configurations.

Abstract: A downhole well screen has a base pipe with a filter mounted thereon with the filter comprising plurality of spaced layers including a screen layer. A longitudinally extending channel is formed in the well screen by plastically deforming the filter. The channel is selected to be of a size and shape to accommodate well control lines.

Abstract: A well tool including swellable material and integrated fluid for initiating swelling. A well tool includes a swellable material and a reservoir for containing a fluid of a type which causes the swellable material to swell. A method of swelling a swellable material included in a well tool includes the steps of: positioning the well tool in a well; and then activating a fluid to cause swelling of the swellable material. A method of swelling a swellable material includes the steps of: providing the swellable material which is capable of swelling when contacted by a fluid; positioning the swellable material in an environment in which the swellable material is contacted by another fluid which does not cause the material to swell; and swelling the swellable material by contacting the swellable material with the first fluid while the swellable material remains in contact with the other fluid.

Abstract: A location of a downhole asset relative to a first environment may be tracked. The configuration information for the downhole asset is acquired, where the configuration information includes a measurement of one or more forces applied to the downhole asset during assembly of the downhole asset in the first environment. A service life of the downhole asset is determined from the configuration information. One or more parameters related to usage of the downhole environment in a second environment are measured. A remainder of the service life of the downhole asset is determined by reducing the service life by an amount proportional to usage of the downhole asset as indicated by the measurement related to usage of the downhole asset. The remaining service life may be used to automatically initiate an order for new parts.

Abstract: A coiled tube injection drive assembly having a pair of opposed, upwardly extending movable carriages positioned in opposed fashion so that portions of tubing may be vertically disposed and engaged between the movable carriages, each of the movable carriages comprising a respective gripper chain and associated bearing chain assembly, where the bearing chain is mounted on sprockets that are coaxially disposed between spaced apart gripper chain sprocket wheels so that the bearing sprockets are mounted about the same shafts as the gripper chain sprockets, without being directly mounted to rotate with those shafts. Other assembly features and related methods are also described.

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 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: Well conduit system and methods using a first outer conduit wall and at least one second inner conduit wall positioned through a wellhead to define an annulus with radial loading surfaces extending across the annulus and radially between at least two of the conduit walls to form passageways through subterranean strata concentrically, wherein an inner pipe body of greater outer diameter is inserted into an outer pipe body of lesser inner diameter by elastically expanding the circumference of the outer pipe body and elastically compressing the circumference of the inner pipe body, using a hoop force exerted therebetween. Releasing the hoop force after insertion will release the elastic expansion and compression of the pipe bodies to abut the radial loading surfaces within the annulus for sharing elastic hoop stress resistance and thereby forming a greater effective wall thickness, capable of containing higher pressures than the conduit walls could otherwise bear.

Abstract: An apparatus including a bell nipple assembly defining a first internal passage that includes two sections forming first and second internal passages that may be aligned by a flexible connector disposed between first and second flanges in one of the sections to at least partially adjust for an offset amount caused by longitudinal axis misalignment of the other section. Methods of adjusting for longitudinal axis offset between two misaligned components, such as of a bell nipple zone, are also encompassed.

Abstract: A down hole well tool (3) for installing a casing/liner (1) in a well bore (2), wherein the down hole well tool comprises a tool unit comprising at least one first fluid conduit (6) and a return fluid conduit (5) in use forming an annulus between the tool unit and the casing/liner. The tool unit further comprises at least one piston (7a, 7b) in the annulus dividing the annulus into annulus spaces (8a, 8b, 8c). At least two expansion modules (9a, 9b) for the expansion of the casing are positioned displaced in the axial direction of the casing. The expansion modules are arranged to be moved relative to each other in the axial direction of the casing.