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Screen, method of expanding a screen and method of conforming a screen to a borehole

a screen and borehole technology, applied in the direction of drinking water installation, borehole/well accessories, etc., can solve the problems of limited expansion potential, complex and costly equipment, and inability to expand to fill a non-symmetrical spa

Inactive Publication Date: 2012-08-23
BAKER HUGHES INC
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Benefits of technology

[0003]Further disclosed herein is a method of expanding a screen. The method includes, generating energy within a permeable body sufficient to change the body from a first volume to a second volume, binding the permeable body to prevent the generated energy from expanding the permeable body from the first volume to the second volume, weakening the binding to a level sufficient to allow the generated energy to expand the permeable body from the first volume to the second volume, and expanding the body from the first volume toward the second volume.

Problems solved by technology

Although such equipment serves its purpose it has limitations, including a limited amount of potential expansion, complex and costly equipment and an inability to expand to fill a nonsymmetrical space.

Method used

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  • Screen, method of expanding a screen and method of conforming a screen to a borehole
  • Screen, method of expanding a screen and method of conforming a screen to a borehole

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Embodiment Construction

[0008]A detailed description of one or more embodiments of the disclosed apparatus and method are presented herein by way of exemplification and not limitation with reference to the Figures.

[0009]Referring to FIGS. 1 and 2, an embodiment of a screen disclosed herein is illustrated generally at 10. The screen 10 includes, a body 14 made of a fluid permeable material 18 with energy stored therein that allows the body 14 to expand from a first volume as illustrated in FIG. 1 to a second volume that is a larger than the first volume. The body 14, as illustrated in FIG. 2, has a larger volume than the first volume but is somewhat less than the second volume due to the body 14 contacting walls 22 of a borehole 26 within which the body 14 is positioned. A binder 30 made of a removable material 34 structurally constrains the body 14 at the first volume until the binder 30 is weakened sufficiently to allow the stored energy to be released. During release of the stored energy the body 14 expa...

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Abstract

A screen includes, a body having a permeable material with energy stored therein configured to change the body from a first volume to a second volume, and a binder in operable communication with the body configured to retain the body in the first volume until the binder is weakened sufficiently for the energy stored within the body to overcome the binder and allow the body to change from the first volume toward the second volume.

Description

BACKGROUND[0001]Filtering contaminates from flowing fluids is a common exercise in systems involved in transportation of fluids. Many such systems employ screens as the filtering mechanism. Screens that expand to substantially fill an annular gap, for example, between concentric tubulars, is another common practice. Some of these systems use swaging equipment to radially expand the screen. Although such equipment serves its purpose it has limitations, including a limited amount of potential expansion, complex and costly equipment and an inability to expand to fill a nonsymmetrical space. Apparatuses and methods that overcome these and other limitations with existing systems are therefore desirable to operators in the field.BRIEF DESCRIPTION[0002]Disclosed herein is a screen. The screen includes, a body having a permeable material with energy stored therein configured to change the body from a first volume to a second volume, and a binder in operable communication with the body confi...

Claims

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Application Information

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Patent Type & Authority Applications(United States)
IPC IPC(8): E21B43/08E21B43/10
CPCE21B33/1277E21B33/1208
Inventor GUEST, RANDALL V.JOHNSON, MICHAEL H.HUBER, KIRK J.
Owner BAKER HUGHES INC
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