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  2. Well drilling - Wikipedia

    en.wikipedia.org/wiki/Well_drilling

    Well drilling can be done either manually or mechanically and the nature of required equipment varies from extremely simple and cheap to very sophisticated. Managed Pressure Drilling (MPD) is defined by the International Association of Drilling Contractors (IADC) as “an adaptive drilling process used to more precisely control the annular ...

  3. Schramm Inc. - Wikipedia

    en.wikipedia.org/wiki/Schramm_Inc.

    Schramm, Inc. is a privately held manufacturer of mobile, top-head hydraulic drilling rigs and related equipment for the global mining, energy, and water well industries. [1] [2] In October 2019, it was acquired by GenNx360 Capital Partners. [3] It is headquartered in West Chester, Pennsylvania in the United States. Schramm affiliated sales ...

  4. Helmerich & Payne - Wikipedia

    en.wikipedia.org/wiki/Helmerich_&_Payne

    Helmerich & Payne Flex Rig drilling the Bakken. Helmerich & Payne, Inc. (/ ˈ h ɛ l m r ɪ k / HELM-rik) is an American petroleum contract drilling company engaged in oil and gas well drilling and related services for exploration and production companies [2] headquartered in Tulsa, Oklahoma, with operations throughout the world.

  5. Sludging - Wikipedia

    en.wikipedia.org/wiki/Sludging

    Well documented examples are the Rota-sludge, Baptist and some variants of the EMAS drilling methods. Perhaps the simplest and cheapest of them all is the Baptist well drilling method, which uses lightweight and cheap PVC pipe for most of the drill stem and in which the drill bit doubles as a foot valve. Wells over 100 metres deep have been ...

  6. Kelly drive - Wikipedia

    en.wikipedia.org/wiki/Kelly_drive

    Simple diagram of a drilling rig and its basic operation. The kelly drive is #19. A kelly drive is a type of well drilling device on an oil or gas drilling rig that employs a section of pipe with a polygonal (three-, four-, six-, or eight-sided) or splined outer surface, which passes through the matching polygonal or splined kelly (mating) bushing and rotary table.

  7. Oil and gas law in the United States - Wikipedia

    en.wikipedia.org/wiki/Oil_and_gas_law_in_the...

    States require a drilling permit before a well begins drilling. Requirements to receive drilling permits generally include minimum setbacks from lease or unit boundaries, and adequate casing and cementing programs. States generally require permits for or notices of major work done on a well, and periodic reports of oil and gas produced.

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  9. Baptist well drilling - Wikipedia

    en.wikipedia.org/wiki/Baptist_well_drilling

    Baptist well drilling diagram in Spanish. Baptist well drilling is a very simple, manual method to drill water wells. The Baptist drilling rig can be built in any ordinary arc welding workshop and materials for a basic version costs about 150 US dollars (2006 prices). In suitable conditions, boreholes over 100 m deep have been drilled with this ...