Abstract: A control line running system includes a control line storage unit and a guiding system having a guiding device and a guide rail for guiding a control line from the control line storage unit toward a well center. The system may also include a control line manipulator assembly for moving the control line toward a tubular and a control line clamp for attaching the control line to the tubular.

Abstract: A spoolable downhole control system including a length of one or more lines suitable for the downhole environment; and one or more components disposed in signal bearing communication with the one or more lines and along a length of the one or more lines, prior to the system being connected with a string, the components capable of actuating an operation. A method is included.

Abstract: An apparatus for flexibly restraining service loops in an oil derrick to prevent entangling of the loops, comprising a plurality of identical apparatus wherein each apparatus is positioned at different longitudinal level to restrain the service loops. Each apparatus is comprised of a plurality of interlocking units, wherein each unit is comprised of a central steel ring which is adhesively bonded to a braid of a service loop penetrating therethrough and exteriorly affixed to first and second interconnecting rings. A first flexible cable and second flexible cable connect the respective first and second interconnecting rings of the units of each apparatus. Therefore, the service loops are flexibly restrained to have a uniform path and bend radius when they travel longitudinally during operation of an oil well drilling machine, which results in reduction of damage of the service loops.

Abstract: An apparatus for flexibly restraining service loops in an oil derrick to prevent entangling of the loops, comprising a plurality of identical apparatus wherein each apparatus is positioned at different longitudinal level to restrain the service loops. Each apparatus is comprised of a plurality of interlocking units, wherein each unit is comprised of a central steel ring which is adhesively bonded to a braid of a service loop penetrating therethrough and exteriorly affixed to first and second interconnecting rings. A first flexible cable and second flexible cable connect the respective first and second interconnecting rings of the units of each apparatus. Therefore, the service loops are flexibly restrained to have a uniform path and bend radius when they travel longitudinally during operation of an oil well drilling machine, which results in reduction of damage of the service loops.

Abstract: A method for drilling a borehole in a producing subsea wellbore wherein a flexible conduit is connected at one end to a surface vessel and at the other end via a pressurized subsea wellhead to the producing wellbore such that a remotely operated electrical drilling device (RODD) can be deployed down the flexible conduit, the method comprising: directing a RODD to the location for drilling in the wellbore; and drilling a further wellbore section with the RODD; wherein the drilling comprises drilling in underbalanced conditions with respect to the formation; and using fluids produced from the formation to transport the drill cuttings away from the drilling device.

Abstract: A well servicing tool storage system for subsea well intervention is disclosed which provides a tool storage means as part of the intervention system and which has a plurality of tool storage arms deployed around the tool storage means. Each arm has a clamp capable of clamping a tool, and moving the clamped tool between a stored position near the perimeter of the tool storage means, and a deployed position in the centre of the tool storage means where the tool can be made up into a wireline connection.

Abstract: A guide tube for continuous rod has a sections pivotably connected together by at least one translatable pivot. The tube connects to a rig at a fixed pivot and is initially folded on the rig for transport. To unfold and raise the tube for operation, a rig operator pivots a support rod pivotably connected to the tube away from the rig using a rope. This pivoting support rod moves the attachment point of a winchline extending from the rig to the rod beyond the tube's fixed pivot. Also, the pivoting rod tensions a sling having a fixed length that extends from the rod to the tube's translatable pivot. In this way, the winchline can be tensioned without the need for rig operators to perform a substantial amount of manual labor as conventionally done. Once the outer sections of the guide tube are lowered to the ground, the entire guide tube can be unfolded and raised with the tensioned winchline.

Abstract: A drilling rig with a top drive for engagement with a travelling block with a hook comprising an airlift thread compensator with an airlift box connected to a bail. The airlift box can have an airbag disposed therein. A bail pin can be engaged through the airlift box, and can be connected to the airbag. The airbag can support the top drive. Upper links can be connected to the airlift box and to a bearing housing. The bearing housing can support a stem connected to a motor, and a bearing can be disposed about the stem. Lower links can be connected to the bearing housing and to an elevator for moving tubulars. An inside blow out preventer can be connected to the stem and to a saver sub. A torque wrench can be connected to the bearing housing for gripping tubulars.

Abstract: A wedge device for clamping of pipes and tools during petroleum production, this wedge device comprising an annular mounting element arranged for connection to a deck or a rotary table, where a plurality of man wedges, with associated clamps and displaceable with respect to the annular mounting element, encircle the vertical central axis of the wedge device, and where the clamp is located on an auxiliary wedge displaceably or rotatably coupled to the main wedge.

Abstract: The method of preventing over tension to an umbilical wrapped on the spool of an offshore reel when the umbilical is being normally deployed or retrieved or when the umbilical is unexpectedly pulled from the spool on the reel, comprising providing a main disk, mounting the main disk on the spool of the reel with a slip connection which will be automatically controlled, connecting motor power for the reel to the main disk, connecting brakes to the main disk, such that when the diameter of deployment varies the slip connection torque will be automatically adjusted and prevent the umbilical from being subjected to tension higher than the desired amount.

Abstract: A control line running system includes a control line storage unit and a guiding system having a guiding device and a guide rail for guiding a control line from the control line storage unit toward a well center. The system may also include a control line manipulator assembly for moving the control line toward a tubular and a control line clamp for attaching the control line to the tubular.

Abstract: An item (e.g. a drill bit) handling method, the item for use in a well operation, the method including producing information about an item used for a specific well task, the information including design information and intended use information, producing an item identification specific to the item, associating the information with the item identification producing thereby an information package, installing the information package in at least one wave-energizable apparatus, and applying the at least one wave-energizable apparatus to the item.

Abstract: In aspects, the present disclosure provides a monobore wellbore construction apparatus and method, which in one embodiment may include a series of overlapping expandable liner sections. In one aspect, the overlapping liner sections may be expanded and pressed to provide no gaps along the length of the liner system. In another aspect, the liner sections may include centralizers and/or circumferential seals that provide sealing functions and spaces between the overlapping liner sections. The liner sections may be lined with a suitable sealing material, including an epoxy or may be filled with cement or another desired materials.

Abstract: A technique for utilizing a coiled tubing rig improves its operation and functionality. The coiled tubing rig is adapted to enable improved operation in a variety of harsh environments. The coiled tubing rig also may comprise features that facilitate the interchangeability of well tools, e.g. the interchangeability of bottom hole assemblies, to lower operational cost and to increase the efficiency with which a variety of well related operations can be performed.

Abstract: An apparatus and method for directionally disposing an elongated flexible member in a pressurized conduit. The method includes inserting a bent end portion of an elongated hollow body through an opening in fluid communication with a well valve and defined by a pressurized conduit, the bent end portion being disposed in a pre-determined direction and location within the pressurized conduit; inserting a lead portion of an elongated flexible member into a fluid passageway defined by a primary valve, the fluid passageway of the primary valve being in sealed fluid relationship with the elongated hollow body which, in turn, is in sealed fluid relationship with the pressurized conduit, so that the lead portion of the elongated flexible member is inserted through the bend end portion and into the pressurized conduit by a pre-determined distance; and thereafter retaining in place the inserted elongated flexible member, whereby the elongated flexible member is directionally disposed in the pressurized conduit.

Abstract: An apparatus for flexibly restraining service loops in an oil derrick to prevent entangling of the loops, comprising a plurality of identical apparatus wherein each apparatus is positioned at different longitudinal level to restrain the service loops. Each apparatus is comprised of a plurality of interlocking units, wherein each unit is comprised of a central steel ring which is adhesively bonded to a braid of a service loop penetrating therethrough and exteriorly affixed to first and second interconnecting rings. A first flexible cable and second flexible cable connect the respective first and second interconnecting rings of the units of each apparatus. Therefore, the service loops are flexibly restrained to have a uniform path and bend radius when they travel longitudinally during operation of an oil well drilling machine, which results in reduction of damage of the service loops.

Abstract: An electric pumping system having an electric submersible pump located downhole in a well, the electric submersible pump comprising a motor part, a pump part, and a protector part; the motor part has an internal motor volume containing motor oil; the motor part connected to an electric power source at surface; a motor oil container located at surface outside of the well; a conduit fluidly connecting the motor oil container with the internal motor volume containing motor oil.

Abstract: The present invention is directed to methods for controlling the operations of a well service rig at a well site by evaluating load sensor data obtained from sensors on or associated with the well service rig. A rig load data chart can be reviewed and an average rig load can be determined for each pull of tubing or rods from a well. The average rig load can be used to calculate and set a rig overload level. If the rig load sensor reads a rig load at or above the rig overload level, the clutch for the hoist can be disengaged and the brake applied to prevent the load from either damaging the rig or breaking off the tubing or rods in the well. In addition, the rig load can be evaluated to determine when the limit the block speed when pulling rods or tubing.

Abstract: An apparatus for flexibly restraining service loops in an oil derrick to prevent entangling of the loops, including a plurality of identical apparatus wherein each apparatus is positioned at different longitudinal level to restrain the service loops. The apparatus contains multiple improved interlocking units having a shape of the sleeve. Each unit includes first and second members and intra-unit affixing members in addition to an adhesive to affix the members and service loop together. Each member is an insert steel enhanced rubber structure. A transverse interconnecting ring is connected to the inner insert steel through which service loops are retained together by a cable.

Abstract: A tieback connector connects a tieback conduit from an offshore platform to a subsea wellhead assembly. The tieback connector has a mandrel that is connected to a string of tieback conduit and a sleeve and load ring that are carried by the mandrel. The load ring is radially expansible and has a conical portion with internal threads. The load ring has an external grooved profile that engages an internal grooved profile in the subsea assembly. The mandrel is rotatable relative to the sleeve while in its lower position, causing the load ring to further expand outward into engagement with the internal profile. A locking member is carried below the load ring on an exterior cam surface of the mandrel. The cam surface moves the locking member outward when the mandrel moves downward into engagement with an internal profile in the subsea assembly.

Abstract: The present invention generally relates to methods and apparatus for improving top drive operations. A method of ensuring safe operation of a top drive includes operating a top drive, thereby exerting torque on a first tubular to makeup or breakout a first threaded connection between the first tubular and a second tubular. The method further includes monitoring for break-out of a second connection between a quill of the top drive and the first tubular; and stopping operation of the top drive and/or notifying an operator of the top drive if break-out of the second connection is detected.

Abstract: A depth measurement system for determining an absolute depth of a drill string uses a position acquisition device to determine a length value for a joint or stand being added to the drill string. The position acquisition device receives a signal from a target object associated with the added joint. The processed signal can be an optical signal, a radio signal, an acoustic signal, or other suitable signal. Using techniques such as time lapse, Doppler effect or phase shift, the depth measurement system determines a position parameter such as distance or position based on the received signal. Thereafter, the processor determines the absolute depth of the drill string by summing a length of each joint making up the drill string and correcting for the position of the newly added joint.

Abstract: A tool storage assembly (12) comprises a housing (28) defining a chamber adapted to be in fluid communication with a wellbore through a tool passage (30) formed in the housing (28). A tool storage member (32) is mounted within the chamber of the housing (28) and defines a tool compartment (34) adapted to releasably secure a downhole tool (22) therein. The tool storage member (32) is moveable between a storage position and a deployment position, wherein the tool (22) may be deployed into the wellbore when the tool storage member (32) is in the deployment position.

Abstract: Well bore servicing equipment is provided. The well bore servicing equipment comprises a first manipulator to grip a well bore work string, to raise the work string, and to lower the work string. The well bore servicing equipment further comprises a controller to receive a work string trajectory input and to automatically control the first manipulator to raise and lower the work string substantially in conformance with the work string trajectory input.

Abstract: The present invention relates generally to a rigless well intervention apparatus and method for well completion, recompletion, servicing, workover and intervention. Specifically, the present invention relates to a rigless well intervention apparatus and method for performing various well completion, recompletion, servicing, workover and intervention operations that pertains to a range of products, services and techniques whether designed to be run through, or conducted within, the production tubing of an oil or gas well, or not, ranging from the ability to operate within a restricted diameter tubular with live-well intervention when the tubing is in place to the ability to drill the well.

Abstract: A technique for subsea intervention operations enables pressure control to be accomplished at the surface while borehole fluid control is exercised at the seabed. A compliant guide extends between a subsea well installation and a surface location, such as a surface intervention vessel. A buffer fluid is deployed within the compliant guide to maintain the borehole fluids proximate the seabed. The buffer fluid also enables pressure control over the buffer fluid and the borehole fluid to be performed from the surface. Additionally, a flexible conveyance can be used to move intervention tools through the compliant guide.

Abstract: A method and system for remediation of a contaminated subsurface area. The method comprises an infiltration operation in which a surfactant containing a fluorescent dye is injected to various depths in the contaminated area. The surfactant dye may be injected using a gravity feed process or pressure injection. Soil samples are taken at various distances from the injection point. The soil samples are analyzed to determine the radius of influence of the surfactant. Flow rates, flow volumes, and flow paths of the surfactant are determined from the soil samples. A remediation surfactant is injected to encapsulate liquid hydrocarbons in the contaminated area. The contaminant is then extracted from the area using a vacuum extraction system. The extraction system comprises flexible tubing inserted through a port in a well-head cap. The tubing is inserted to an appropriate depth to maintain a predetermined vacuum pressure.

Abstract: A winch assembly (30) comprises a winch chamber (32) defined within a housing (31) which includes an orifice to permit fluid communication with a wellbore. A winch drum (34) which supports a spoolable medium (36), such as wireline, is rotatably mounted within the winch chamber (32). A cavity (50) containing a fluid, such as lubrication oil, is defined within the housing (31) and a sealing arrangement is provided between the winch chamber (32) and the cavity (50). The winch assembly (30) also includes a pressure compensator (62) adapted to maintain the cavity (50) at least at the same pressure as the winch chamber (32).

Abstract: A guide track system for a tool that can be raised and lowered within a telescoping drilling rig tower is provided. The system includes parallel guide rails mounted on a fixed lower tower section and on a movable upper tower section of the drilling rig tower. The lower and upper guide rails are parallel to one another and overlap one another when the lower tower section is nested with the upper tower section. Guide wheels rotatably attached to the tool can have parallel grooves to roll on the guide rails. The grooves can have sidewalls that flare outward so that they do not scuff against the guide rails as the tool travels up and down within the tower.

Abstract: A method and an apparatus to guide a tubular member are described herein. The apparatus includes a bore with a longitudinal axis extending therethrough and configured to support a tubular member, the apparatus having a first opening formed at a first side thereof, a second opening formed at a second side thereof, and an inner wall extending from the first opening to the second opening. The apparatus further includes a first guiding member disposed adjacent to the first opening of the bowl and a second guiding member disposed adjacent to the second opening of the bowl.

Abstract: A system for monitoring strain in a wellbore casing includes one or more gages that are affixed to an outer surface of the wellbore casing. Each gage includes one or more apertures. During operation, variations in the shape and spacing of the apertures are monitored and used to determine a level of strain in the wellbore casing.

Abstract: A wireline entry sub includes a body having an upper end, a lower end and a longitudinal, center axis therebetween. The body is adapted for connection below a top drive to a wellbore string of tubulars. A slot on the body has a depth from a body outer surface to at least the longitudinal center axis for receiving a sheave. A wireline entry port extends through the body from the slot to the lower end. The lower end of the wireline entry sub is adapted to be secured to the string of tubulars, with the weight of the tubulars passing through the wireline entry sub.

Abstract: The invention generally relates to an apparatus and/or a method for moving an round flexible member into and out of a well bore, and particularly, to an injector with two or more gripping members which bind the outer surface of the round flexible member; two or more actuators which cause the gripping members to bind or release the round flexible member; and at least one reciprocator for translating a gripping member to move the round flexible member, or for repositioning the gripping member. A method of translating a round flexible member is also provided which includes the steps of binding the outer surface of a round flexible member with at least one gripping members by engagement with an actuator, and translating a gripping member by reciprocator to move the round flexible member.

Abstract: A torque sub for use with a top drive is disclosed. A method of connecting threaded tubular members for use in a wellbore includes operating a top drive. The top drive rotates a first threaded tubular member relative to a second threaded tubular member. The method further includes measuring a torque exerted on the first tubular member by the top drive. The torque is measured using a torque shaft rotationally coupled to the top drive and the first tubular. The torque shaft has a strain gage disposed thereon. The method further includes wirelessly transmitting the measured torque from the torque shaft to a stationary interface; measuring rotation of the first tubular member; compensating the rotation measurement by subtracting a deflection of the top drive and/or the first tubular member; determining acceptability of the threaded connection; and stopping rotation of the first threaded member when the threaded connection is complete or if the threaded connection is unacceptable.

Abstract: A system and method for building and handling oilfield tubular stands while drilling operations are simultaneously and independently occurring with one drilling deck, one derrick, and one rotary system. An offline guided path horizontal to vertical arm lifts and moves in the same plane tubulars stored horizontally on the catwalk and positions the tubulars vertically directly into a preparation hole for assembling and disassembling tubular stands while online drilling operations are simultaneously being conducted. A stand arm lifts and lowers the tubulars into and out of the adjustable preparation hole, and transports the tubulars for storage to an auxiliary tubular racking station in the upper part of the derrick. A bridge racker crane moves tubular stands from the auxiliary tubular racking station to the top drive or another tubular racking station.

Abstract: An apparatus for use with a wireline on a drilling rig. The apparatus includes a main body having first and second entry ports, and wherein the first entry port is configured to receive the wireline. A bearing nut is operatively attached to the main body. A mandrel is partially disposed within the bearing nut, and wherein the mandrel is capable of rotating. A sleeve, disposed within a receptacle bore, is also included. The sleeve may have an inner conical surface. A method of performing wireline work is also disclosed.

Abstract: A bail support and a top drive system for an oilfield drill rig. The top drive system includes a drive apparatus, and the bails have bodies with upper head portions and two spaced-apart legs. Each leg includes an upper leg portion and a lower leg portion. The upper leg portions are non-parallel to each other and extend from the head portion at an angle to a centerline of the bail. Each lower leg portion extends down from its corresponding upper leg portion in a reverse bend.

Abstract: A movable arm 10 engages a flexible line 50 at a well site for positioning the flexible line between run-in position for passing the flexible line with a tubular through a well hole in the rig floor and a clamping position wherein the flexible line is adjacent the tubular above the rig floor for clamping the line to the tubular. The arm 10 extends upward from the rig floor 70, and includes a line guide, such as roller 12, for engaging the flexible line when in the run-in position. A powered drive 14 moves the arm between the run-in position and the clamping position. A spacer 82 may be used for positioning two or more flexible lines at a desired spacing relative to one another prior to positioning the lines within a clamp secured to the tubular. A slip bowl assembly 60 may be laterally movable so that slips do not engage the flexible line as it is run in the well.

Abstract: A system for delivering a cable through a tubing string to a downhole location in a well, includes a plug and a receiver. The plug includes a first connector configured to be operably connected to the cable and further includes a plug housing adapted to fit within the tubing string. A check valve operably associated with a passage in the plug housing restricts fluid flow through the passage in a downhole direction and allows fluid flow through the passage in an uphole direction. The receiver is configured to be positioned at the downhole location and includes a receiver housing and a second connector configured to be operably connected to a downhole device. The second connector is adapted to communicate with the first connector when the receiver and plug housings are engaged.

Abstract: In one embodiment, a support structure for use on a rig floor and for supporting a unit used to manipulate tubular components through a wellhead comprises a support plate adapted to securely mount the support structure to said unit, a passage in the support plate of sufficient diameter to allow tubular components to pass therethrough, a plurality of rig engaging members and at least one tensile member mount. The unit used to manipulate tubular components through a wellhead may be a compact snubbing unit or may be a push/pull unit. The support structure may further comprise a worker platform to support a worker above the rig floor. Various push/pull system embodiments, for use on a rig to manipulate tubular components through a wellhead, are also taught.

Abstract: A method and apparatus are provided for installing control lines and pipe into a well. The pipe-holding spider that is normally mounted on the rig floor is adapted for easy disassembly and reassembly when the pipe slips within the spider are not engaged with the outer surface of the pipe string so that upon disassembly, a control line guide becomes vertically movable. The control line guide is adapted for being controllably elevated to a distance above the rig floor, thereby providing personnel access to a portion of the length of the pipe string below the elevated control line guide and above the rig floor for securing control line to the pipe string using a fastener.

Abstract: A top drive system for wellbore drilling operations, the top drive system including a main shaft having an upper shaft seal system with a raised platform for supporting the seal system. The top drive may also have a shroud for covering the seal(s), and contaminants may flow down from the seals, since the seals are raised by the platform.

Abstract: A snubber spool with detachable base plates includes a base flange with a plurality of spaced-apart load pins received in through bores in the base plates. Tie plates with bores for receiving top ends of the load pins are mounted over the base plates in an offset orientation with respect to the base plates. A load nut that engages a pin thread on an outer sidewall of the snubber spool is tightened down on the tie plates to lock the base plates to the snubber spool.

Abstract: A method of installing a drilling tool at a lower end of a string of casing suspended in a borehole employs a setting tool run by wireline. The setting tool is latched to a drilling tool connected a drill lock assembly. After landing in a profile sub at the lower end of the casing, fluid pressure is applied to the interior of the string of casing to actuate the setting tool. The setting tool moves to latch the drill lock assembly to the sub so that torque may be transmitted between the profile sub and the drill lock assembly. The setting tool movement also releases the setting tool from the drill lock assembly for retrieval.

Abstract: A wireline entry sub includes a body for connection with a wellbore string of tubulars. An opening on the body extends a depth from a body outer surface to at least the longitudinal center axis. A wireline passage extends though the body from the opening to a lower end. A wireline pulling device is mounted on the sub body to apply pulling force to a wireline. The wireline pulling device ma be driven by a motor mounted on the wireline cut sub or by a to drive of a drilling rig.

Abstract: An electrically-powered service rig utilizes an engine-driven generator to power a propulsion system, a drawworks system and a sandline system, all mounted on a single mobile platform. The rig utilizes lightweight permanent magnet motors to enable integration of the systems onto a single mobile platform which meets transport regulations. The rig's power plant is capable of powering other onsite equipment such as mud pump motors through use of umbilicals connected to the engine-driven generator.

Abstract: A protection tool is provided to protect a control line in a safe area while one or more slips of a spider are being closed. In another embodiment, a safety interlock system is provided to prevent the closing of the slips before the control line is pulled away from the tubular string. In yet another embodiment, a safety interlock system includes a safety interlock trigger adapted to be actuated by a protection tool. The safety interlock trigger is adapted to detect the physical presence of the protection tool, and thereafter send a signal to the interlock system to enable an operator or a control mechanism to safely close the slips.

Abstract: A selectably elevatable coiled tubing injector is described that is suitable for a mobile self-contained unitized coil tubing rig for the drilling and workover of petroleum wells. The selectably elevatable coiled tubing injector includes a mechanism for positioning a trailer mounted coiled tubing injector either in a first stowed position on the deck of the transport trailer or in a second position resting on an elevated rig floor of a drilling rig. Furthermore, the selectably elevatable coiled tubing injector includes a further mechanism for selectably elevating the injector above its second position on the rig floor while clamping the tubing in order to provide additional tension on the tubing string or to raise the tubing deployed within a well.

Abstract: A method and apparatus are provided for installing control lines and pipe into a well. The pipe-holding spider that is normally mounted on the rig floor is adapted for easy disassembly and reassembly when the pipe slips within the spider are not engaged with the outer surface of the pipe string so that upon disassembly, a control line guide becomes vertically movable. The control line guide is adapted for being controllably elevated to a distance above the rig floor, thereby providing personnel access to a portion of the length of the pipe string below the elevated control line guide and above the rig floor for securing control line to the pipe string using a fastener.

Abstract: A fiber optical sensing cable is inserted into an underwater well by: connecting a housing (12A) comprising a coiled or spooled U-shaped fiber optical sensing cable (21) to the wellhead (2) of the well (1) such that an opening (14) in the wall of the housing (12A) is connected to a guide tube (15) extending into the underwater well (1); —inserting the U-shaped nose section (21A) of the fiber optical sensing cable (21) via the opening (14) into the guide tube (15), thereby uncoiling at least part of a pair of substantially parallel sections of the fiber optical sensing cable of which the lower ends are interconnected by the U-shaped nose section; and connecting the upper ends (21B) of the substantially parallel sections of the fiber optical sensing cable to an optical signal transmission and/or receiving unit via e.g. a pair of wet mateable connectors that are connected to a pair of underwater fiber optical transmission cables (14).