Two-step method for horizontal gravel packing
Patent
·
OSTI ID:5496081
This patent describes a method for placing gravel within an annulus formed in a non-vertical borehole by the placement of a screen within the borehole. It comprises: injecting into the annulus a slurry of gravel and a medium viscosity carrier fluid to pack from 50% to 75% of the screen-borehole annulus; and injecting into the annulus a slurry of gravel and a low viscosity carrier fluid until the annulus is completely packed.
- Assignee:
- Chevron Research and Technology Co., San Francisco, CA (United States)
- Patent Number(s):
- US 5058677; A
- Application Number:
- PPN: US 7-585424
- OSTI ID:
- 5496081
- Resource Relation:
- Patent File Date: 20 Sep 1990
- Country of Publication:
- United States
- Language:
- English
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