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  2. Completion (oil and gas wells) - Wikipedia

    en.wikipedia.org/wiki/Completion_(oil_and_gas_wells)

    Well completion is the process of making a well ready for production (or injection) after drilling operations. This principally involves preparing the bottom of the hole to the required specifications, running in the production tubing and its associated down hole tools as well as perforating and stimulating as required.

  3. Oil well - Wikipedia

    en.wikipedia.org/wiki/Oil_well

    After drilling and casing the well, it must be 'completed'. Completion is the process in which the well is prepared to produce oil or gas. In a cased-hole completion, small perforations are made in the portion of the casing across the production zone, to provide a path for the oil to flow from the surrounding rock into the production tubing. In ...

  4. Subsurface engineer - Wikipedia

    en.wikipedia.org/wiki/Subsurface_engineer

    Another factor in the selection of specific completion equipment is the production rates of the well. The typical job duties of a Subsurface engineer include managing the interface between the reservoir and the well, including perforations, sand control, artificial lift, downhole flow control, and downhole monitoring equipment.

  5. Workover - Wikipedia

    en.wikipedia.org/wiki/Workover

    Workover rig doing a snub job. In other circumstances, the reason for a workover may not be that the completion itself is in a bad condition, but that changing reservoir conditions make the former completion unsuitable. For example, a high productivity well may have been completed with 5½" tubing to allow high flow rates because a narrower ...

  6. Well stimulation - Wikipedia

    en.wikipedia.org/wiki/Well_stimulation

    After initial completion, it is common to use minimal amounts of formic acid to clean up any mud and skin damage. In this situation, the process is loosely referred to as "well stimulation." Oftentimes, groups that oppose oil and gas production refer to the process as "acidization," which is actually the use of acids in high volume and high ...

  7. Sapura Energy - Wikipedia

    en.wikipedia.org/wiki/Sapura_Energy

    Sapura Energy Berhad (formerly known as SapuraKencana Petroleum Berhad) is a Malaysian integrated oil and gas services company based in Seri Kembangan, Selangor.Sapura Energy trades in over 20 countries, such as China, Australia, United States of America, and those in Western Africa and the Middle East, employing approximately 13,000 people. [4]

  8. Roughneck - Wikipedia

    en.wikipedia.org/wiki/Roughneck

    The floor hand works primarily on the rig floor where he is the one actually operating the tongs, iron roughneck, tugger, and catwalk, and doing pretty much any other job that is asked of him. Roustabout (lease hand): On bigger rigs and offshore rigs, a roustabout does most of the painting and cleaning so roughnecks can take care of other work.

  9. 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.

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