Method and wellbore system
The invention provides a wellbore system comprising an expandable tubular element arranged in a wellbore formed in an earth formation whereby an annular space is present between the tubular element and a wall surrounding the tubular element. The tubular element is provided with sealing means for sea...
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| creator | ZIJSLING, DJURRE HANS CRESCENZO, DANIELE DI |
| description | The invention provides a wellbore system comprising an expandable tubular element arranged in a wellbore formed in an earth formation whereby an annular space is present between the tubular element and a wall surrounding the tubular element. The tubular element is provided with sealing means for sealing the annular space, wherein the sealing means includes a foldable wall section of the tubular element. The foldable wall section has a reduced bending stiffness relative to a remainder wall section of the tubular element and is deformable from an unfolded mode to a folded mode by application of a compressive folding force to the tubular element. The foldable wall section when in the folded mode comprises at least one annular fold extending radially outward into said annular space. The wellbore system further comprises a folding device for applying said folding force to the tubular element. |
| format | Patent |
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The tubular element is provided with sealing means for sealing the annular space, wherein the sealing means includes a foldable wall section of the tubular element. The foldable wall section has a reduced bending stiffness relative to a remainder wall section of the tubular element and is deformable from an unfolded mode to a folded mode by application of a compressive folding force to the tubular element. The foldable wall section when in the folded mode comprises at least one annular fold extending radially outward into said annular space. 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| language | dan ; eng |
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| subjects | AUXILIARY OPERATIONS USED IN CONNECTION WITH METAL-WORKINGWITHOUT ESSENTIALLY REMOVING MATERIAL EARTH DRILLING EARTH DRILLING, e.g. DEEP DRILLING FIXED CONSTRUCTIONS MANUFACTURE OF METAL SHEETS, WIRE, RODS, TUBES OR PROFILES,OTHERWISE THAN BY ROLLING MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVINGMATERIAL MINING OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR ASLURRY OF MINERALS FROM WELLS PERFORMING OPERATIONS PUNCHING METAL TRANSPORTING WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS ORPROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL |
| title | Method and wellbore system |
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