Patent · US Active

Well screens constructed utilizing pre-formed annular elements

US8302681B2 · kind B2 · utility

22Cited by

33References

21Claims

0Family size

Assignee

Halliburton Energy Services, Inc. · US

Inventors

Michael Linley Fripp · Carrollton, US
Floyd R. Simonds · Richardson, US
Jean-Marc Lopez · Plano, US
Syed Hamid · Duncan, US
Donald G. Kyle · Plano, US
Jason D. Dykstra · Carrollton, US

Key dates

Filing date	Oct 6, 2011
Grant date	Nov 6, 2012
Priority date	—
Expiry date	Oct 6, 2031

Classification

Technology area (CPC E)Fixed Constructions
CPC primaryE21B43/12
WIPO fieldCivil engineering
WIPO sectorOther fields

Abstract

Construction of well screens utilizing pre-formed annular-shaped elements. A well screen includes a filter layer configured to filter fluid flowing through the well screen and a drainage layer which radially supports the filter layer, the drainage layer including multiple individual annular-shaped elements. Another well screen includes a drainage layer configured to support the filter layer, with the drainage layer including at least one cavity molded therein. Another well screen includes a base pipe and a layer made up of multiple individual annular-shaped elements stacked coaxially on the base pipe. A cavity is formed in at least one of the elements.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.