Wells – Processes – Graveling or filter forming
Patent
1992-10-05
1994-03-22
Suchfield, George A.
Wells
Processes
Graveling or filter forming
E21B 4304
Patent
active
052955427
ABSTRACT:
Improved methods of placing a gravel pack in a wellbore and in one or more perforations extending from the wellbore into a producing zone are provided. The methods basically comprise the steps of placing a screen in the wellbore adjacent the perforations, and then injecting a low viscosity carrier liquid having a particulate solid pack material suspended therein into the space between the screen and the walls of the wellbore containing the perforations. The pack material has a specific gravity substantially the same as the specific gravity of the carrier liquid whereby a low viscosity carrier liquid can be utilized and the carrier liquid-pack material suspension contains a high loading of pack material.
REFERENCES:
patent: 2349062 (1944-05-01), Uren
patent: 3498380 (1970-03-01), Sparlin et al.
patent: 4553595 (1985-11-01), Huang et al.
patent: 4660642 (1987-04-01), Young
patent: 4669543 (1987-06-01), Young
patent: 4796701 (1989-01-01), Hudson et al.
patent: 4850430 (1989-07-01), Copeland et al.
patent: 4969523 (1990-11-01), Martin et al.
Paper entitled "Use of Low-Density, Gravel-Pack Material Improves Placement Efficiency (Part 2)" by T. E. Hudson and J. W. Martin, SPE 18227, presented at the 63rd Annual Technical Conference and Exhibition of the Society of Petroleum Engineers held in Houston, Texas, Oct. 2-5, 1988.
Cole R. Clay
Knox John A.
Dougherty, Jr. Clark
Halliburton Company
Kent Robert A.
Suchfield George A.
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