Schlumberger Technology Corporation

Jonathan Mark Davison

Diankui Fu

Mehmet Parlar

Frank F Chang

Raymond J Tibbles

Palathinkara S Vinod

Antje M Wierenga

Elizabeth W A Morris

Elizabeth W Morris

The Invention relates to fluids and techniques to optimize/enhance the production of hydrocarbon from subterranean formations (e.g., &ldquo;completion fluids&rdquo;), in particular, fluids and techniques are. disclosed and claimed which remove wellbore damage and near-wellbore damage in the form of coating formed from drilling and production-related operations (&ldquo;filtercake&rdquo;); the techniques can be applied either by themselves or in conjunction with other completion operations, such as gravel packing; preferred embodiments are chelating agent and enzyme systems in a viscoelastic surfactant (VES) matrix.

Fluids and techniques for hydrocarbon well completion

The Invention relates to novel fluids and techniques to optimize/enhance the production of hydrocarbon from subterranean formations (e.g., 'completion fluids'), in particular, fluids and techniques are disclosed and claimed which remove wellbore damage and near-wellbore damage in the form of coating formed from drilling and production-related operations ('filtercake'); the techniques can be applied either by themselves or in conjunction with other completion operations, such as gravel packing; preferred embodiments are chelating agent and enzyme systems in a viscoelastic surfactant (VES) matrix.

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Torphins, United Kingdom

Jonathan Mark Davison