公开(公告)号：US20170362922A1

公开(公告)日：2017-12-21

申请号：US15353441

申请日：2016-11-16

Applicant: Chevron U.S.A. Inc.

Inventor： Antonio Lazo ,  Namhyo Kim ,  David Underdown ,  John Alasdair Cameron ,  Rodney Joseph Wetzel, JR.

IPC: E21B43/08

CPC classification number: E21B43/086 ,  E21B43/08 ,  E21B43/084 ,  E21B43/088

Abstract: A sand control screen assembly having a filter medium that provides a controlled offset between a shroud and the filter medium, and/or between a base pipe and the filter medium. The sand control screen assembly may also include a drainage layer positioned about the base pipe. The sand control screen assembly is utilized for preventing the flow of particulate material of a predetermined size therethrough and allowing the flow of production fluids therethrough.