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Injector Screen

IP.com Disclosure Number: IPCOM000240488D
Publication Date: 2015-Feb-03
Document File: 1 page(s) / 13K

Publishing Venue

The IP.com Prior Art Database

Abstract

Stand alone screen are often the sand control method of choice in water injector. However, they often get plugged by formation fines dropping inside the screen when water injection is stopped. The proposed invention is to manufacture a screen that remains open during the injection phase and shuts in when water injection stops to prevent formation fines to be released and fall through the screen A "slotted" rubber sleeve that is slipped on a perforated basepipe and expands during injection to open the slots. The expansion is controlled by a perforated shroud that prevents the sleeve to balloon too far. When water injection is stopped the elasticity of the rubber sleeve brings it back against the base pipe and the slots close to prevent sand to come in

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Injector Screen

Stand alone screen are often the sand control method of choice in water injector. However, they often get plugged by formation fines dropping inside the screen when water injection is stopped. The proposed invention is to manufacture a screen that remains open during the injection phase and shuts in when water injection stops to prevent formation fines to be released and fall through the screen

A "slotted" rubber sleeve that is slipped on a perforated basepipe and expands during injection to open the slots. The expansion is controlled by a perforated shroud that prevents the sleeve to balloon too far. When water injection is stopped the elasticity of the rubber sleeve brings it back against the base pipe and the slots close to prevent sand to come in