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Dreco Energy Services Ulc patents


Recent patent applications related to Dreco Energy Services Ulc. Dreco Energy Services Ulc is listed as an Agent/Assignee. Note: Dreco Energy Services Ulc may have other listings under different names/spellings. We're not affiliated with Dreco Energy Services Ulc, we're just tracking patents.

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Impact-driven downhole motors

A downhole motor has a bearing mandrel rotatably disposed within a housing, plus an impact adapter disposed above and connected to the bearing mandrel and rotatable therewith. The impact adapter has upwardly-projecting teeth engageable with downwardly-projecting teeth on a drive mandrel disposed above and coaxially aligned with the impact adapter. ... Dreco Energy Services Ulc

Flow-actuated pressure equalization valve and method of use

A flow-actuated pressure equalization valve, for use with a downhole tool such as a treatment tool, for use in stimulating a subterranean formation. The equalization valve allows the pressure of treatment fluid above and below an isolation device to be equalized so the treatment tool can be moved. ... Dreco Energy Services Ulc

Movable rig and steering system

A drill rig with a steering system may include a substructure having a wheelhouse, a drill floor arranged atop the substructure, a mast extending upwardly and above the drill floor, and a steering system arranged within the wheelhouse. The steering system may include a wheel assembly comprising an electric motor configured for driving rotational motion of a wheel, a deployment device configuring for deploying the wheel assembly to carry the drill rig, and a steering mechanism configured for selective engagement with the wheel assembly and rotating the wheel assembly.. ... Dreco Energy Services Ulc

Movable rig and steering system

A drill rig with a steering system may include a substructure having a wheelhouse, a drill floor arranged atop the substructure, a mast extending upwardly and above the drill floor, and a steering system arranged within the wheelhouse. The steering system may include a wheel assembly comprising an electric motor configured for driving rotational motion of a wheel, a deployment device configuring for deploying the wheel assembly to carry the drill rig, and a steering mechanism configured for selective engagement with the wheel assembly and rotating the wheel assembly.. ... Dreco Energy Services Ulc

Downhole vibration assembly and method of using same

In at least one aspect, the disclosure relates to a vibration assembly for a downhole tool positionable in a subterranean formation. The vibration assembly includes a vibration race positioned in the downhole tool, the vibration race having a non-planar engagement surface. ... Dreco Energy Services Ulc

Thread profiles for rotary shouldered connections

A thread profile for rotary shouldered threaded connections uses different thread root radii for the pin thread and the box thread in order to optimize stress distribution and maximize thread contact area. The thread profile may be adapted for use in double-shouldered, two-start, taper-threaded connections to replace currently-used threaded connections such as the rotor-to-adapter connection in a downhole motor. ... Dreco Energy Services Ulc

Guide rails for mobile drilling rig

A system for supporting and transporting a drilling rig. The system may have a pair of rails, wherein each rail has a plurality of rail segments and a plurality of connections between the segments. ... Dreco Energy Services Ulc








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