Pressure relief-assisted packer
First Claim
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1. A wellbore completion method comprising:
- disposing a pressure relief-assisted packer comprising two packer elements within an axial flow bore of a first tubular string disposed within a wellbore so as to define an annular space between the pressure relief-assisted packer and the first tubular string, wherein the pressure relief-assisted packer further comprises a pressure relief volume fully enclosed within a pressure relief chamber and sealed by a rupture disk disposed between the annular space and the pressure relief chamber; and
setting the pressure relief-assisted packer such that the rupture disk loses structural integrity due to a pressure within the annular space reaching a threshold pressure, and allows fluid communication between the annular space and the pressure relief volume during the setting of the pressure relief-assisted packer.
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Abstract
A wellbore completion method comprising disposing a pressure relief-assisted packer comprising two packer elements within an axial flow bore of a first tubular string disposed within a wellbore so as to define an annular space between the pressure relief-assisted packer and the first tubular string, and setting the pressure relief-assisted packer such that a portion of the annular space between the two packer elements comes into fluid communication with a pressure relief volume during the setting of the pressure relief-assisted packer.
295 Citations
23 Claims
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1. A wellbore completion method comprising:
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disposing a pressure relief-assisted packer comprising two packer elements within an axial flow bore of a first tubular string disposed within a wellbore so as to define an annular space between the pressure relief-assisted packer and the first tubular string, wherein the pressure relief-assisted packer further comprises a pressure relief volume fully enclosed within a pressure relief chamber and sealed by a rupture disk disposed between the annular space and the pressure relief chamber; and setting the pressure relief-assisted packer such that the rupture disk loses structural integrity due to a pressure within the annular space reaching a threshold pressure, and allows fluid communication between the annular space and the pressure relief volume during the setting of the pressure relief-assisted packer. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8)
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9. A wellbore completion system comprising:
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a pressure relief-assisted packer, wherein the pressure relief-assisted packer is disposed within an axial flow bore of a first casing string disposed within a wellbore penetrating a subterranean formation, and wherein the pressure relief-assisted packer comprises; a first packer element; a second packer element; and a pressure relief chamber for fully enclosing a pressure relief volume, wherein the pressure relief chamber comprises a rupture disk for sealing the pressure relief chamber, the rupture disk being disposed between the pressure relief volume and an annular space between the pressure relief-assisted packer and the first casing string, wherein the rupture disk is configured to lose structural integrity due to a pressure within the annular space reaching a threshold pressure to allow fluid communication between the pressure relief volume and the annular space such that the pressure relief volume relieves a pressure between the first packer element and the second packer element; and a second casing string, wherein the pressure relief-assisted packer is incorporated within the second casing string. - View Dependent Claims (10, 11, 12, 13, 14, 15, 16, 17, 18, 19)
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20. A wellbore completion method comprising:
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disposing a pressure relief-assisted packer within an axial flow bore of a first tubular string disposed within a wellbore, wherein the pressure relief-assisted packer comprises; a first packer element; a second packer element; and a pressure relief chamber fully enclosing a pressure relief volume, wherein the pressure relief chamber comprises a rupture disk for sealing the pressure relief chamber, the rupture disk being disposed between the pressure relief volume and an annular space between the first packer element and the second packer element; causing the first packer element and the second packer element to expand radially so as to engage the first tubular string, wherein causing the first packer element and the second packer element to expand radially causes an increase in pressure in the annular space between the first packer element and the second packer element, wherein the increase in pressure in the annular space causes the rupture disk to lose structural integrity upon reaching a threshold pressure to allow the pressure relief volume to come into fluid communication with the annular space. - View Dependent Claims (21, 22, 23)
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Specification