Well Completion

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NEWS

  • Oil India Reports Presence Of Natural Gas In Andaman Shallow Offshore Block
    6/5/2026

    Oil India Limited (OIL), a Maharatna CPSE under the Ministry of Petroleum & Natural Gas, is pleased to announce the presence of natural gas in its 3rd exploratory well Vijayapuram-3 (Loc. OAEB), drilled 15 km off the east coast of the Andaman Islands at a water depth of 355 meters in the Offshore Andaman Block AN-OSHP-2018/1 under the Open Acreage Licensing Policy (OALP).

  • Eni Awarded Exploration Block A1 In The Gambia
    6/5/2026

    Eni and the Government of The Gambia, represented by the Minister of Energy and Petroleum Honourable Nani Juwara, signed today a Petroleum Exploration Development and Production License Agreement for the Block A1 offshore the Republic of The Gambia.

  • Velesto Secures Drilling Contract For NAGA 6 In Thailand
    6/4/2026

    Velesto Energy Berhad (‘Velesto’ or the ‘Group’) today announced that its wholly-owned subsidiary, Velesto Sumber Sdn. Bhd., has secured a contract award from Northern Gulf Petroleum Pte Ltd (‘NGP’) for the provision of jack-up drilling rig services and associated services offshore Thailand.

  • Sky Quarry Pushes To Expand Drilling In Nevada, Home To An Estimated 1.4 Billion Barrels Of Oil
    6/3/2026

    Sky Quarry Inc. ("Sky Quarry" or the "Company"), an energy infrastructure company focused on domestic refining and resource development, today announced that it is launching a crude oil drilling and production initiative in Nevada's Railroad Valley - the state's primary oil-producing region - and that it intends to refine that crude at its Foreland Refinery, the only operating refinery in Nevada.

  • MOL Group And Partners Start Gas Production At The ACG Field In Azerbaijan
    6/3/2026

    MOL Group and its Joint Venture (JV) partners have achieved the first gas in the ACG field in Azerbaijan, where non-associated gas (NAG) reservoirs had previously been identified beneath and above the producing oil reservoirs.

WELL COMPLETION ABOUT DOCUMENT


Well Completion
Well completion is a process that takes place after a oil or gas well has been verified to be commercially viable. Well completion involves casing, temperature and pressure evaluation and equipment installation to allow gas or oil drilling. Completion therefore has to wait for formation testing after a design well depth has been established. The specific activities involved in well completion include; drill stem tests (DST), production casting, production tubing installation, production flow commencement and installation of beam pumping units.     
Drill stem tests have to be conducted to determine production formation potential. The DST experts use appropriate tools lowered into the bottom of the drilling hole to establish the formation potential. Adjustments are made to the tool to establish if the pressure is sufficient for production. This process should be left to the professional crew as hazards such as getting stuck by the test tool in floor testing. Exposure to h2s and other gases as well as blowouts are other hazards that only professional crews know how to deal with.
Production tubing installation is the other process involved in well completion. Small diameter tubing is more preferred to the larger ones in mining. Using couplings, individual tubing is joined to form a tubing string. The tubing that is to be used in mining is made using power tongs. With the advancement in technology, tubing can be made in the form of a continuous coil.    
The final step in well completion is the initial production flow. Brine or water is injected into the well to remove the drilling fluid. This should be enough to initiate the flowing of the well. In the event that the well fails to flow under such circumstances, unloading or high pressure gas injection might be necessary. Caution should be taken since blowouts might occur if the well pressures happen to be charged.