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  2. Drilling rig - Wikipedia

    en.wikipedia.org/wiki/Drilling_rig

    An automated drill rig (ADR) is an automated full-sized walking land-based drill rig that drills long lateral sections in horizontal wells for the oil and gas industry. [8] ADRs are agile rigs that can move from pad to pad to new well sites faster than other full-sized drilling rigs. Each rig costs about $25 million.

  3. List of equipment of the South African Army - Wikipedia

    en.wikipedia.org/wiki/List_of_equipment_of_the...

    South Africa: Semi-automatic pistol: 9×19mm Parabellum: 15-round magazine. License-built Beretta 92F. Standard issue side arm since 1989 alongside the SP1. Vektor SP1 South Africa: Semi-automatic pistol: 9×19mm Parabellum: 15-round magazine. Standard issue side arm alongside the Z88 since 1992. Submachine guns Milkor BXP [2] South Africa ...

  4. Seadrill - Wikipedia

    en.wikipedia.org/wiki/Seadrill

    Seadrill is an offshore drilling contractor providing worldwide offshore drilling services to the oil and gas industry. Its primary business is the ownership and operation of drillships, semi-submersible rigs, and jack-up rigs for operations in shallow to ultra-deep water in both benign and harsh environments. It provides a contract-based ...

  5. Offshore drilling - Wikipedia

    en.wikipedia.org/wiki/Offshore_drilling

    Offshore drilling rig, c. 1968. The first semi-submersible resulted from an unexpected observation in 1961. [12] Blue Water Drilling Company owned and operated the four-column submersible Blue Water Rig No.1 in the Gulf of Mexico for Shell Oil Company. As the pontoons were not sufficiently buoyant to support the weight of the rig and its ...

  6. Well drilling - Wikipedia

    en.wikipedia.org/wiki/Well_drilling

    Well drilling is the process of drilling a hole in the ground for the extraction of a natural resource such as ground water, brine, natural gas, or petroleum, for the injection of a fluid from surface to a subsurface reservoir or for subsurface formations evaluation or monitoring.

  7. Oil platform - Wikipedia

    en.wikipedia.org/wiki/Oil_platform

    The Lun-A (Lunskoye-A) platform, located off the north eastern coast of Sakhalin Island and is a concrete gravity base substructure (CGBS).. An oil platform (also called an oil rig, offshore platform, oil production platform, etc.) is a large structure with facilities to extract and process petroleum and natural gas that lie in rock formations beneath the seabed.

  8. Submersible drilling rig - Wikipedia

    en.wikipedia.org/wiki/Submersible_drilling_rig

    Blue Water Rig No. 1. The first offshore mobile drilling platform was the Hayward-Barnsdall Breton Rig 20, first operated in 1949. [2] This rig had evolved from the inland drilling barges which were used to drill in marshes and protected waters in up to 10 feet of water. The Breton Rig 20 was 160 feet by 85 feet, and could work in 20 feet water ...

  9. Oil well - Wikipedia

    en.wikipedia.org/wiki/Oil_well

    The daily rates of offshore drilling rigs vary by their depth capability, and the market availability. Rig rates reported by industry web service [26] show that the deepwater water floating drilling rigs are over twice the daily cost of the shallow water fleet, and rates for jack-up fleet can vary by factor of 3 depending upon capability.

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