Fracturing process
In a method of obtaining fractures of high flow-capacity, a fracture is created in a subsurface formation penetrated by the well and a monolayer of propping agent particles is deposited in the fracture from the well into the region where dune formation begins. A liquid free of propping agent is then displaced into the fracture to wash and enlarge channels through the dunes. This liquid is followed with a carrying liquid having propping agent particles suspended in it to deposit these particles in the channels in the fracture adjacent to the well. The volume of the wash liquid is at least 10% of the volume of the carrying liquid displaced into the fracture ahead of the wash liquid. (7 claims)
- Assignee:
- Gulf Research and Development Co.
- Patent Number(s):
- US 3349851
- OSTI ID:
- 6079538
- Country of Publication:
- United States
- Language:
- English
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