Minimizing formation damage during gravel pack operations
Patent
·
OSTI ID:6437706
A method is described for minimizing formation damage caused by intrusive fluids prior to a gravel packing operation in loosely consolidated formations penetrated by at least one well. The method comprises: filling the casing of the well with an underbalanced completion fluid; placing within the well a removable packer capable of isolating the space between the casing and the formation from the downhole well pressure; setting through the packer a first tubing suitable for perforating and stabilizing the flow of fluids into the well; perforating the casing; and introducing a blocking agent into the formation via the perforations which agent upon solidification is sufficient to minimize formation damage by avoiding the introduction of formation fluids.
- Assignee:
- Mobil Oil Corp., New York, NY
- Patent Number(s):
- US 4664191
- OSTI ID:
- 6437706
- Country of Publication:
- United States
- Language:
- English
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