Degradable polymers for wellbore fluids and processes

Details Degradable polymers for wellbore fluids and processes Degradable polymers for wellbore fluids and processes

E - Fixed Constructions

21

B

E21B 43/26 (2006.01) E21B 33/138 (2006.01)

Patent

CA 2593607

A viscosifying agent for wellbore fluids is described including a polymer polymerized using at least two pre-polymers "A" and "B", the polymer being capable of essentially fully degrading into soluble fragments after the initiation of a breaking process.

L'invention concerne un agent viscosifiant destiné à des fluides de forage et comprenant un polymère polymérisé au moyen d'au moins deux prépolymères (A et B), ce polymère étant capable de se dégrader sensiblement entièrement en fragments solubles après le début d'une opération de fragmentation.

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