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  2. Underground pneumatic boring - Wikipedia

    en.wikipedia.org/wiki/Underground_pneumatic_boring

    The purpose of the drill is to create a tunnel under surface obstructions. First, the operator surveys the area and the obstacle (road, sidewalk, driveway). Utility locators must supervise any underground work, and the path most clear of utilities is chosen to send the tool through.

  3. Jackhammer - Wikipedia

    en.wikipedia.org/wiki/Jackhammer

    A jackhammer (pneumatic drill or demolition hammer in British English) is a pneumatic or electro-mechanical tool that combines a hammer directly with a chisel. It was invented by William McReavy, who then sold the patent to Charles Brady King. [1] Hand-held jackhammers are generally powered by compressed air, but some are also powered by ...

  4. Directional boring - Wikipedia

    en.wikipedia.org/wiki/Directional_boring

    Directional boring, also referred to as horizontal directional drilling (HDD), is a minimal impact trenchless method of installing underground utilities such as pipe, conduit, or cables in a relatively shallow arc or radius along a prescribed underground path using a surface-launched drilling rig. Directional boring offers significant ...

  5. Rotary steerable system - Wikipedia

    en.wikipedia.org/wiki/Rotary_steerable_system

    Push-the-bit tools use pads on the outside of the tool which press against the well bore thereby causing the bit to press on the opposite side causing a direction change. Point-the-bit technologies cause the direction of the bit to change relative to the rest of the tool by bending the main shaft running through it.

  6. Google’s Sidewalk Labs made the ultimate public ... - AOL

    www.aol.com/news/2018-05-30-coord-sidewalk...

    Google's parent company, Alphabet, has an offshoot called Sidewalk Labs tasked with improving urban living. The division gave birth to Coord, a spin-off which is launching a smart route planner ...

  7. List of free geology software - Wikipedia

    en.wikipedia.org/wiki/List_of_free_geology_software

    Free to use software to digitize geological cross-sections, and display and edit borehole logs Geoscience ANALYST [30] Free 3D visualization and communication software for integrated, multi-disciplinary geoscience and mining data and models, which also connects to Python through geoh5py, its open-source API Mira Geoscience Ltd. Free / Proprietary