Acidizing method for gravel packing wells
A method for gravel packing perforations in a well is described which comprises: (a) introducing an acidizing agent into the formation's nearwellbore area via perforations within the well which acidizing agent is of a strength sufficient to dissolve formation sand or fines in channels contained in said formation and perforations; (b) introducing thereafter a sand consolidation agent into said perforations before said channels are blocked with formation sand or fines; (c) allowing the consolidation agent to remain in the perforations for a time sufficient to form a cement having a porosity sufficient to prevent formation fines from entering said channels and perforations thereby permitting the production of substantially fines free hydrocarbonaceous fluids to the surface; and (d) packing said perforations with sand.
- Assignee:
- Mobil OH Corp., Fairfax, VA (United States)
- Patent Number(s):
- US 5222556; A
- Application Number:
- PPN: US 7-810463
- OSTI ID:
- 6455491
- Country of Publication:
- United States
- Language:
- English
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Related Subjects
020300 -- Petroleum-- Drilling & Production
42 ENGINEERING
422000* -- Engineering-- Mining & Underground Engineering-- (1980-)
ACIDIZATION
BUILDING MATERIALS
CEMENTS
DISSOLUTION
GRANULAR MATERIALS
HYDROCARBONS
MATERIALS
ORGANIC COMPOUNDS
PACKINGS
PARTICLES
PARTICULATES
PERFORATION
POROSITY
SAND
SAND CONSOLIDATION
WELL SERVICING
WELLS