Acidizing/stimulation

Engineering Approach To Designing Fluid Diverters: Jamming and Plugging

Fluids introduced into a reservoir for stimulation typically take the path of least resistance and, therefore, frequently go into areas with open flow paths. In many cases, those areas are not the targets of stimulation.

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Fig. 1—Diversion mechanisms: (a) jamming, (b) plugging.

Fluids introduced into a reservoir for stimulation typically take the path of least resistance and, therefore, frequently go into areas with open flow paths. In many cases, those areas are not the targets of stimulation. To maximize contact between the fluid and intact rock, existing fluid paths must be plugged to divert the fluid. A typical fluid-diversion application can be divided into three steps: placement downhole, downhole plugging/diversion, and corresponding stimulation.

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