Abstract: Aspects of the subject technology relate to a downhole protective housing for electronic components including a circuit board. The protective housing can include a chassis comprising two elongate side rails, a circuit board located between the pair of elongate side rails, an armature fixedly coupled to the chassis, a buffer coupled to the circuit board. The protective housing can further include a substantially cylindrical intermediate sleeve, a substantially cylindrical outer case, and a pair of end caps, one each located at opposite distal ends of the protective housing.

Abstract: An apparatus for delivering tools within a drill string may include an instrument line including a mechanically resistant external structure with an internal cavity. The instrument line may be configured to be deployed into the drill string. The apparatus may include one or more isolated wires positioned within the internal cavity. The apparatus may also include one or more tools removably coupled to the instrument line and positionable within the drill string. The one or more tools may be configured to provide measurements of conditions within a wellbore via the one or more isolated wires.

Abstract: In one embodiment, a radio-frequency identification device for use in a wellbore includes a housing made of a polymer; and an antenna disposed in the housing. The polymer may be selected from the group consisting of an elastomer, a plastic, a rubber, a thermoplastic elastomer, and combinations thereof. The RFID device may also include a fill material disposed in the housing.

Abstract: A boring apparatus for coupling to a drill rod and drilling a borehole includes a boring tool head configured to couple to the drill rod and receive drilling fluid. The boring tool head has an exterior surface with a hole and defines an internal cavity. The hole is configured to receive ground spoils such that the ground spoils are conveyed into the internal cavity, and the drilling fluid dispenses into the cavity such that the drilling fluid mixes with the ground spoils to form a drilling slurry. A housing is coupled to the boring tool head and has a chamber in fluid communication with the cavity. A pump in the chamber is configured to pump the drilling slurry out of the cavity and the chamber.

Abstract: A pullback system for installing product in a hole includes a rotary drill bit having a plurality of cutter elements, and a pullback device that is attachable to the rotary drill bit without disassembling the rotary drill bit or removing the rotary drill bit from a drill string. The pullback device includes a frame member and a plurality of anchor arms. Each anchor arm has a first end coupled to the frame member and a second end. Each anchor arm is configured to extend between adjacent cutter elements of the rotary drill bit. An attachment location can be used to attach product to the pullback device.

Abstract: The present invention relates to a barrel-type piston pump (1) with a swash plate (7) where the angle of inclination of rotary plate (2) relative to drive shaft (5) is adjustable by means of a finger joint (8).

Abstract: A toroidal air blade tool for mounting on top of a blow-out preventer is provided. The tool can include upper and lower toroidal ring halves that form a plenum and a circumferential orifice when assembled together. Compressed gas or pressurized fluid introduced into the plenum exits the orifice in the form of frustoconical gas or fluid blade that can strip off mud and produced substances from tubulars being removed from a well.

Abstract: An apparatus for delivering tools within a drill string may include an instrument line including a mechanically resistant external structure with an internal cavity. The instrument line may be configured to be deployed into the drill string. The apparatus may include one or more isolated wires positioned within the internal cavity. The apparatus may also include one or more tools removably coupled to the instrument line and positionable within the drill string. The one or more tools may be configured to provide measurements of conditions within a wellbore via the one or more isolated wires.

Abstract: A telescopic drill rod (2) has at least two rod members (20, 30} disposed coaxially to one another, with the inner rod member (30) being axially slidable relative to the cater rod member (20) in a telescoping mariner between an extended position and a retracted position. Both the inner rod member (30) and outer rod member (20) are equipped with joints at each end for connection, to a drill head and/or another section of drill pipe. The joints also lock the inner and outer rod members in either the extended of retracted positions, and this is accomplished with a unique frusto-conical threaded engagement that is well-suited for transmitting pressure forces.

Abstract: A swivel connection tool holds a tubular of a work string or a drill string while a swivel connects or disconnects from the tubular. The swivel connection tool has a base mounted to a work floor of a derrick of a workover rig. The swivel connection tool is fixed spaced-apart from a hole in the work floor positioned over the wellhead. The swivel connection tool has a yoke oriented at an incline with respect to horizontal.

Abstract: The present invention relates to a downhole wireline machining tool string for increasing an inner diameter of a well tubular metal structure in a well. The downhole wireline machining tool string has a longitudinal axis and comprises a rotatable tool part comprising a machining tool having a first end part, a second end part, a diameter and a circumference, and a stationary tool part comprising a driving unit configured to rotate the rotatable tool part and powered through the wireline. The machining tool comprises a body having an outer face, and the machining tool further comprising a plurality of inserts, each insert having a length along the longitudinal axis, and the inserts projecting from the outer face of the body and being distributed around the circumference. Furthermore, the present invention relates to a machining tool for increasing an inner diameter of a well tubular metal structure in a well or cutting out a piece, e.g. in a downhole valve.

Abstract: This disclosure describes various implementations of a downhole-blower system that can be used to boost production in a wellbore. The downhole-blower system includes a blower and an electric machine coupled to the blower that can be deployed in a wellbore, and that can, in cooperation, increase production through the wellbore.

Abstract: A hybrid rotary guiding device, includes: rotating shaft, the rotating shaft is used to drive the head of a drill tool to rotate, the rotating shaft includes an upper shaft portion, a lower shaft portion, and a steerable portion, a separation distance exists between the upper shaft portion and the lower shaft portion in the axial direction, the upper shaft portion and the lower shaft portion are steerably connected by the steerable portion; the upper shaft portion is installed with at least three first hydraulic mechanisms, and the lower shaft portion is installed with at least three second hydraulic mechanisms, the second hydraulic mechanism is adapted to drive a pushing member against the wall of the well to guide the head of a drill tool, the first hydraulic mechanism and the second hydraulic mechanism are configured so that the first hydraulic mechanism can drive the second hydraulic mechanism to drive the pushing member.

Abstract: Systems and methods for removing fluid from a subterranean well with a fluid removal system includes lowering an elongated member into tubing of the subterranean well to a lower position, the elongated tubing having a plunger or valve body located at an end, wherein fluid passes past the plunger or through a valve opening as the valve body moves into the subterranean well. The plunger or valve body is moved in a direction out of the subterranean well so that fluid cannot pass the plunger or through the valve opening, moving the fluid out of the subterranean well.

Abstract: A golf tee insert device is provided herein. More specifically, a hand-held device for punching a hole in the ground is provided, where the hole is designed to receive a golf tee. The device may include a punch that is spring-activated, pneumatic, or electromagnetic. The punch is propelled out of the device a predetermined distance to create a tee-sized hole in the ground.

Abstract: A load transfer system includes a load transfer bushing having a first and second arcuate segments configured to engage a load surface of a tubular or of a collar connected to the tubular, and an elevator configured to receive the load transfer bushing. Moving the elevator from its closed position to its open position while the elevator engages the load transfer bushing moves the first and second arcuate segments apart, permitting the elevator and the load transfer bushing to be received around the tubular. Moving the elevator from the opened position to the closed position with the load transfer bushing and elevator surrounding the tubular forms an axial engagement load surface for the load surface of the tubular or the collar. The load transfer bushing is disengageable from the elevator.

Abstract: A wellbore isolation assembly including a plurality of discrete components each having an inner bore with a center axis, the plurality of discrete components axially abuttable such that each of the inner bores align to form a common bore, the plurality of discrete components including a fixing element; and a sealing element; wherein the plurality of discrete components are integrable by a setting device receivable through the common bore, and wherein application of a compressive force to the plurality of discrete components urges the fixing element and the sealing element to radially extend, relative to the axis of the common bore.

Abstract: Self-winding power generating device, system, and method are disclosed. The device includes a mechanical winding knob for receiving mechanical energy from a downhole environment, a gear train including a plurality of gears engaged with each other, wherein a first gear in the gear train is operatively connected to the mechanical winding knob, and configured to receive mechanical energy from the mechanical winding knob and transfer the mechanical energy to a second gear in the gear train, a spiral spring attached to one of the gears in the gear train, the spiral spring configured to self-wind and store the mechanical energy upon receiving the mechanical energy from the first gear, and a power generation unit configured to receive the mechanical energy from a last of the plurality of gears and convert the mechanical energy into electrical energy.

Abstract: An electronic control system comprises a first tubular handling tool, a sensor, and a controller. The controller is configured to control actuation of the first tubular handling tool in response to an electronic signal received from the sensor that corresponds to an operational characteristic of the first tubular handling tool. The electronic control system functions as an electronic interlock system to prevent mishandling of a tubular. A method of controlling a tubular handling tool comprises measuring an operational characteristic of the tubular handling tool, communicating the operational characteristic to a controller in the form of an electronic signal, and using the controller to control actuation of the tubular handling tool in response to the measured operational characteristic.

Abstract: A system is provided, run on a liner, for stimulating one or more stages of a downhole wellbore. The system includes one or more frac valves arranged on the liner; each of the frac valves presenting an identical inside profile, the frac valves being openable for providing fluid communication between in inside of the liner to outside of the wellbore; and at least one dart deployable into the liner, and being adjustable to pass through one or more frac valves without opening said one or more frac valves, and to engage and open one or more other frac valves. Each of the at least one darts is identical to another. A method is further provided for stimulating one or more stages of a downhole wellbore.