Well riser definition

Well riser means the impervious portion of pipe extending from the top of the well screen or open borehole to the top of the monitoring well. The well riser prevents undesirable fluids and materials from entering the monitoring well and provides access to the zone or the interval being monitored.
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Examples of Well riser in a sentence

  • Well riser shall consist of poly-vinyl chloride (PVC) or stainless steel, unless stated otherwise in the Site Specific Section of the Scope of Services.

Related to Well riser

  • operational risk means the risk of loss resulting from inadequate or failed internal processes, people and systems or from external events, and includes legal risk;

  • fall risk means any potential exposure to falling either from, off or into;

  • Well-logging means all operations involving the lowering and raising of measuring devices or tools that may contain sources of radiation into well-bores or cavities for the purpose of obtaining information about the well or adjacent formations.

  • All Risk property insurance on a full replacement cost basis insuring CLEC’s property situated on or within any CenturyLink Premises. CLEC may elect to insure business interruption and contingent business interruption, as it is agreed that CenturyLink has no liability for loss of profit or revenues should an interruption of service occur.

  • Diatomaceous earth filtration means a process resulting in substantial particulate removal in which a precoat cake of diatomaceous earth filter media is deposited on a support membrane (septum), and while the water is filtered by passing through the cake on the septum, additional filter media known as body feed is continuously added to the feed water to maintain the permeability of the filter cake.