Abstract: An extrusion preventing device for incorporation into a sealing element of a well tool device includes a wire wound with a plurality of turns to form a torus-shaped coiled spring. Each turn of the torus-shaped coiled spring is canted. A method for manufacturing a sealing element for a well tool device includes providing a mould shaped as the sealing element; inserting an extrusion preventing device including a wire wound with a plurality of turns to form a torus-shaped coiled spring into the mould; filling molten elastomeric material into the mould, thereby incorporating the torus-shaped coiled spring into the molten elastomeric material; curing the elastomeric material; and retrieving the sealing element from the mould.

Abstract: A drill rig having a longitudinal drilling axis, a front portion, and a rear portion can comprise a feedframe aligned with the longitudinal drilling axis, a first head assembly coupled to the feedframe and configured to rotate a drill string, and a rod holder proximate the front portion of the drill rig. A second head assembly can be movable on the feedframe along the longitudinal axis and can include a powered water swivel assembly comprising a spindle having an interior bore a drill rod connector at a first end of the spindle, a motor that is configured to rotate the spindle, a clutch configured to disengage the motor from the spindle, a gearbox that couples the motor to the spindle, and a water swivel that is configured to provide drilling fluid to the interior bore of the spindle.

Abstract: A large diameter injection water well is drilled using a drilling derrick and rotary drilling techniques after snubbing in and drilling a short distance with drilling mud, a temporary drilling header is installed below the blowout preventers. Extending downward from the temporary drilling header is a drop pipe with a valve on the lower end thereof. Drilling pipe with attachments on the lower end thereof, are lowered into the drop pipe with the valve closed. After sealing to the drilling pipe, the valve is opened and the drilling pipe and attachments are lowered to the bottom of the well for the normal drilling operation. Thereafter, the drilling pipe and attachments are removed reversing the process of retracting into the drop pipe and closing the valve before removing the seal from the drilling pipe.

Abstract: A method is provided. Sensor data regarding a wellbore is received from at least one of a distributed fiber optic sensing line positioned along the wellbore and a plurality of subsurface and surface sensors. Flow models are generated based on the sensor data to optimize production flow. Flow profiles are generated based on the flow models and the sensor data to adjust at least one gas lift valve.

Abstract: A downhole liner delivery tool includes a housing with a flow path; a detachable nose assembly coupled to the housing and fluidly coupled to the flow path and including one or more retractable grips; a flexible wellbore liner including a first end coupled to the detachable nose assembly and a second end coupled within the housing and stored within the flow path of the housing; a seat formed in the flow path and configured to receive a member dropped in a wellbore to increase a fluid pressure of a fluid resin pumped through the flow path to anchor the one or more retractable grips to a wellbore wall and detach the detachable nose assembly from the housing, the fluid resin further pumped through the flow path to deploy the flexible wellbore liner from the housing and seal the flexible wellbore liner against the wellbore wall.

Abstract: A friction reduction system includes a housing including a central axis and a central passage, a valve disposed in the housing and including a first valve body and a second valve body wherein the first valve body is permitted to rotate relative to the second valve body, and a mandrel coupled to the second valve body and permitted to travel axially relative to the housing, wherein a first net pressure force is applied against the mandrel that corresponds to a drilling fluid pressure of a drilling fluid in response to flowing the drilling fluid through the valve and transitioning the valve from a closed configuration to an open configuration, and wherein a second net pressure force is applied against the mandrel that corresponds to a wellbore fluid pressure in response to flowing the drilling fluid through the valve and transitioning the valve from the open configuration to the closed configuration.

Abstract: A modular mobility platform has extendable and retractable tractor treads for engaging the walls of a downhole environment. The extendable and retractable tractor treads allow the platform to successfully navigate longitudinally through the downhole environment. The platform is composed of a plurality of different modules removably interconnected together longitudinally. Each module has at least one specific function, such as sensing, navigation, mobility, control, communication, power, or a combination thereof. The platform has longitudinally-directed detectors for detecting the forward or reverse direction through which the platform is to travel. A front end of the platform having a sensor at the forward end thereof articulates to navigate the mobility platform laterally through splits in the downhole environment. A system and method use the modular mobility platform.

Abstract: A retention system for attaching a collar to a pipe. The collar has an internally-disposed groove configured for placement of a ring. The ring is sized such that in one orientation, it can enter the collar between torque-transmitting features into the internally-disposed groove. Once in the groove, the ring may be adjusted such that its aperture is generally aligned with the axis of the collar. In this orientation, the features retain the ring within the groove. A bolt and a pipe may then be placed within the collar from opposite sides. The bolt is attached to the pipe through the ring. Once joined, the collar is joined to the pipe, forming its box end. Such a retention system may be used to join a series of inner pipe members of a dual-member pipe assembly, as in horizontal directional drilling.

Abstract: A system for use in hydrocarbon production includes a well that has a wellhead and extends downhole into a reservoir. The wellhead has a passageway that extends through a sidewall thereof. The system includes piping extending from the wellhead at the passageway. A downhole electrical device is disposed downhole in the well. A cable is coupled to the downhole electrical device and includes electrical wires extending from the downhole electrical device, out of the wellhead, through the passageway in the sidewall, and along the piping. A cooling section is disposed along the piping through which the electrical wires pass, and an electrical connector is coupled to the electrical wires for electrical connection thereto such that the wires extend along the cooling section between electrical connector and the wellhead.

Abstract: Systems and methods include a method for using a downhole logging tool. A downhole logging tool is inserted into a well. The downhole logging tool includes a gauge chamber containing gauges, a compressed gas chamber containing compressed gas, a timer powered by a battery, a release sub, and a balloon housing containing a balloon in a deflated state. Data is collected by the gauges of the downhole logging tool during a downward travel of the downhole logging tool. A release point to release compressed gas is determined by the timer based on a travelling speed of the downhole logging tool. The compressed gas is released by the release sub at the release point, inflating the balloon to an inflated state, creating a buoyant force for the downhole logging tool. Additional data is collected by the gauges of the downhole logging tool during an upward travel of the downhole logging tool.

Abstract: A hydrocarbon well downhole fluid acquisition and injection system for selecting and stimulating zones based on operations of the system. Target depths in a hydrocarbon well are identified, and reservoir fluids may be acquired or tagging agents may be injected at the target depths using a specialized hydrocarbon well downhole fluid acquisition and injection system. The well may be operated to generate flow of fluids, and the reservoir fluids may be monitored and assessed for the presence of tagging agents. The presence of tagging agents and the fluid sample may be assessed to identify zones that may be candidates for stimulation or other operations.

Abstract: The present disclosure relates, according to some embodiments, to a shear pin including a cylindrical shape positioned along a vertical axis having a first end having a common diameter with a second end; the first end and containing a first clutch at a point along the vertical axis that is furthest from the second end, the first clutch containing one of a recessing shape and a protruding shape; (c) the second end containing a second clutch at a point along the vertical axis that is furthest from the first end, the second clutch containing one of a recessing shape and a protruding shape; and (d) the curved portion including a diameter that is largest where the curved portion connects to each of the first end and the second end and then narrows along the curved portion, forming a curve that culminates at a neck where the diameter is smallest.

Abstract: In a first scenario, nested darts provide pressure isolation between a space inside a liner assembly below an expansion cone and a well annulus. Increased pressure in this space can be used to push the expansion cone upward and assist the bottom-up expansion of a liner hanger provided at the top of the liner assembly. In a second scenario, an obstruction lands on a seat provided in a seat assembly. Pressure in a space located between the expansion cone and the seat assembly is increased such that an upward force acts on the expansion cone to expand the liner hanger. The second scenario may be utilized by itself. Alternatively, the second scenario may be utilized as a contingency method if the first scenario has failed.

Abstract: A first type of coupon holder includes an elongated core that is axially aligned with a coupon holder axis and an external surface that circumscribes the elongated core. The external surface defines coupon mounting surfaces with different radial orientations relative to the coupon holder axis. The coupon mounting surfaces are circumferentially aligned around the elongated core and have geometric centers with the same axial position along the coupon holder axis. A second type of coupon holder includes an elongated support structure that is axially aligned with a coupon holder axis and a coupon holder body positioned to have an end face in a plane transverse to the coupon holder axis. The coupon holder body has a plurality of slots to receive end portions of coupons. The slots are in a circular arrangement around the coupon holder axis and position coupons in parallel to the coupon holder axis.

Abstract: A technique facilitates use of a liner hanger in a borehole. A port free hydraulic unibody system including an outer structure having a tubing hanger portion and a packer portion mounted about a mandrel may be constructed so as to avoid the creation of leak paths. A seal system may be employed between the mandrel and the surrounding outer structure to ensure sealing engagement therebetween. The mandrel has a port free section on the downhole side of the seal system, and this port free section is maintained during, for example, actuation of the tubing hanger portion so as to prevent formation of leak paths. An actuator may be located along the mandrel and may be configured to initiate actuation of hanger slips mounted along the tubing hanger portion. An anti-preset mechanism positioned along the mandrel works in cooperation with the actuator to prevent premature actuation of the hanger slips.

Abstract: A modified tubular system for use in connection with the recovery of subsurface minerals and fluids. The tubulars may include drill pipes, risers, production tubing, and tools integrated into such tubulars. Such tubulars may be interconnected using tool joints or threaded tubular sections. Some tool joints may comprise annular shoulders. The shoulders may comprise an annular groove for housing an inductive coupler that may include magnetically conductive electrically insulating (MCEI) trough and an electrically conductive coil laid within the trough. An axial passageway formed in the shoulder may open into the groove. The passageway may comprise flutes. The flutes maybe formed in the wall of the passageway or added to the passageway as an insert or as part of a passageway liner. A fluted transmission line may be disposed within the passageway. The transmission line and liner flutes may mate with the passageway flutes. The liner may be hardened.

Abstract: A washpipe assembly for a rotational device includes a gland assembly, a washpipe positioned within the gland assembly, and a seal assembly positioned about the washpipe within the gland assembly. The seal assembly includes a plurality of ring seals, a plurality of annular chambers positioned between the ring seals along the washpipe, and a pressure manifold fluidly coupled to the plurality of annular chambers. The pressure manifold is configured to receive a first fluid pressure and is configured to apply a plurality of pressures to the annular chambers, and the plurality of pressures are each less than the first fluid pressure.

Abstract: There is disclosed a torque transfer apparatus for a mineral drilling tool used in a downhole assembly of a drill string. The drilling tool has a downhole drill bit and one or more uphole drill bits spaced apart from the downhole drill bit, with the torque transfer apparatus being located between them. The apparatus has an axial bore therethrough for fluid flow and comprises first and second members being rotatably joined to each other. The apparatus rotationally couples and transfers torque between the first and second members when a torque difference between torque on the downhole drill bit and torque on the uphole drill bit is below a threshold torque value. The apparatus disengages the rotational coupling while the torque difference exceeds the threshold torque value. The flow rate of drilling fluid flowing through the axial bore is altered when the apparatus engages and disengages the coupling.

Abstract: Systems and methods are described for determining the lag time and origin of particles in entrained in a mud stream. A size and shape of the particles may be evaluated at the surface with a visual inspection system, which permits a settling rate to be determined for each of the particles in a non-Newtonian mud stream. Together with an analysis of the pumping schedule, mud properties, trajectory of the wellbore and other fluid dynamics associated with a wellbore operation, an origin of the each of the particles from within the wellbore may be determined. At least one operational parameter for the wellbore operation may be adjusted based on the determined origin of the particles. For example, a clean-out procedure may be initiated if it is determined that particles are settling in an undesirable location in the wellbore.

Abstract: A petroleum well toolstring valve includes a drill pipe string conveyed J-slot running tool for a top stinger on a retrievable bridge plug. The J-slot running tool includes a J-slot sleeve with J-slots for disconnectably receiving the stinger. The top stinger includes a cylindrical stinger portion with J-slot connecting lugs. An internal plug is arranged between a central connector and stinger bores. A cylindrical neck on the stinger portion spans the internal plug in the axial direction. The cylindrical neck, when covered by the J-slot sleeve, forms an annular flow space connecting upper and lower radial ports and thus central bores. The stinger portion has a rotatable sleeve valve body arranged on a stinger valve stem portion. The sleeve valve body has a sleeve valve port arranged for being aligned with the lower stinger port when rotated into an open position. The rotatable sleeve valve body is connected to the lugs for being rotated by the drill pipe string for opening or closing the valve.