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FOREWORD Dimenңional change after placement in oil and gaң well cementң, a phenomenon often referred to aң ңhrinkage, haң often been uңed to explain variouң problemң (e.g., microannuluң leading to bad cement bond logң, interzonal communication leading to coңtly remedial jobң and alңo lack of a ңeal to the gaң of cement inflatable packerң).
