M-I SWACO

Breakers

A chemical breaker may be required to remove the filter cake or residual RDF to avoid impeding production. Chemical breakers are designed to work slowly and uniformly and to be compatible with formation fluids and the completion technique used.

Name

Function/Application

	D-STROY		D‐STROYER* additive is an internal filter‐cake breaker for use in polymer‐base reservoir drilling and completion fluids and lost‐circulation pills used during completion or workover operations. CPB.0404.0706.R1 (E)
	WELLZYME A
	WELLZYME AE
	WELLZYME ME
	WELLZYME NS		WELLZYME NS starch-specific enzyme is a complex 3-D molecule specially engineered to break down the starch component in the filter cake established by a reservoir drill-in fluid.

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Breakers

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