Low Carbon Steel Expandable Tubular

A method for manufacturing an expandable member used to complete a structure by radially expanding and plastically deforming the expandable member, comprising:

• forming the expandable member from a steel alloy comprising the following ranges of weight percentages:
• C, from about 0.002 to about 0.08;
• Si, from about 0.009 to about 0.30;
• Mn, from about 0.10 to about 1.92;
• P, from about 0.004 to about 0.07;
• S, from about 0.0008 to about 0.006;
• Al, up to about 0.04;
• N, up to about 0.01;
• Cu, up to about 0.3;
• Cr, up to about 0.5;
• Ni, up to about 18;
• Nb, up to about 0.12;
• Ti, up to about 0.6;
• Co, up to about 9;
• and
• Mo, up to about 5.

An expandable member for use in completing a structure by radially expanding and plastically deforming the expandable member, comprising:

• a steel alloy comprising the following ranges of weight percentages:
• C, from about 0.002 to about 0.08;
• Si, from about 0.009 to about 0.30;
• Mn, from about 0.10 to about 1.92;
• P, from about 0.004 to about 0.07;
• S, from about 0.0008 to about 0.006;
• Al, up to about 0.04;
• N, up to about 0.01;
• Cu, up to about 0.3;
• Cr, up to about 0.5;
• Ni, up to about 18;
• Nb, up to about 0.12;
• Ti, up to about 0.6;
• Co, up to about 9;
• and
• Mo, up to about 5.

A structural completion, comprising:

• one or more radially expanded and plastically deformed expandable members;
• wherein one or more of the radially expanded and plastically deformed expandable members are fabricated from a steel alloy comprising the following ranges of weight percentages:
• C, from about 0.002 to about 0.08;
• Si, from about 0.009 to about 0.30;
• Mn, from about 0.10 to about 1.92;
• P, from about 0.004 to about 0.07;
• S, from about 0.0008 to about 0.006;
• Al, up to about 0.04;
• N, up to about 0.01;
• Cu, up to about 0.3;
• Cr, up to about 0.5;
• Ni, up to about 18;
• Nb, up to about 0.12;
• Ti, up to about 0.6;
• Co, up to about 9;
• and
• Mo, up to about 5.

A method for manufacturing an expandable tubular member used to complete a wellbore completion within a wellbore that traverses a subterranean formation by radially expanding and plastically deforming the expandable tubular member within the wellbore, comprising:

• forming the expandable tubular member from a steel alloy comprising a charpy energy of at least about 90 ft-lbs;
• forming the expandable member from a steel alloy comprising a charpy V-notch impact toughness of at least about 6 joules;
• forming the expandable member from a steel alloy comprising the following ranges of weight percentages:
• C, from about 0.002 to about 0.08;
• Si, from about 0.009 to about 0.30;
• Mn, from about 0.10 to about 1.92;
• P, from about 0.004 to about 0.07;
• S, from about 0.0008 to about 0.006;
• Al, up to about 0.04;
• N, up to about 0.01;
• Cu, up to about 0.3;
• Cr, up to about 0.5;
• Ni, up to about 18;
• Nb, up to about 0.12;
• Ti, up to about 0.6;
• Co, up to about 9;
• and
• Mo, up to about 5;
• forming the expandable tubular member with a ratio of the of an outside diameter of the expandable tubular member to a wall thickness of the expandable tubular member ranging from about 12 to 22;
• and
• strain aging the expandable tubular member prior to the radial expansion and plastic deformation of the expandable tubular member within the wellbore.

An expandable tubular member for use in completing a wellbore completion within a wellbore that traverses a subterranean formation by radially expanding and plastically deforming the expandable tubular member within the wellbore, comprising:

• a steel alloy having a charpy energy of at least about 90 ft-lbs;
• a steel alloy having a charpy V-notch impact toughness of at least about 6 joules;
• and
• a steel alloy comprising the following ranges of weight percentages:
• C, from about 0.002 to about 0.08;
• Si, from about 0.009 to about 0.30;
• Mn, from about 0.10 to about 1.92;
• P, from about 0.004 to about 0.07;
• S, from about 0.0008 to about 0.006;
• Al, up to about 0.04;
• N, up to about 0.01;
• Cu, up to about 0.3;
• Cr, up to about 0.5;
• Ni, up to about 18;
• Nb, up to about 0.12;
• Ti, up to about 0.6;
• Co, up to about 9;
• and
• Mo, up to about 5;
• wherein a ratio of the of an outside diameter of the expandable tubular member to a wall thickness of the expandable tubular member ranging from about 12 to 22;
• and
• wherein the expandable tubular member is strain aged prior to the radial expansion and plastic deformation of the expandable tubular member within the wellbore.

A wellbore completion positioned within a wellbore that traverses a subterranean formation, comprising:

• one or more radially expanded and plastically deformed expandable tubular members positioned within the wellbore completion;
• wherein one or more of the radially expanded and plastically deformed expandable tubular members are fabricated from:
• a steel alloy comprising a charpy energy of at least about 90 ft-lbs;
• a steel alloy comprising a charpy V-notch impact toughness of at least about 6 joules;
• and
• a steel alloy comprising the following ranges of weight percentages:
• C, from about 0.002 to about 0.08;
• Si, from about 0.009 to about 0.30;
• Mn, from about 0.10 to about 1.92;
• P, from about 0.004 to about 0.07;
• S, from about 0.0008 to about 0.006;
• Al, up to about 0.04;
• N, up to about 0.01;
• Cu, up to about 0.3;
• Cr, up to about 0.5;
• Ni, up to about 18;
• Nb, up to about 0.12;
• Ti, up to about 0.6;
• Co, up to about 9;
• and
• Mo, up to about 5;
• wherein at least one of the expandable members comprises a ratio of the of an outside diameter of the expandable member to a wall thickness of the expandable member ranging from about 12 to 22;
• wherein an outer portion of the wall thickness of at least one of the radially expanded and plastically deformed expandable comprises tensile residual stresses;
• and
• wherein at least one of the expandable tubular member is strain aged prior to the radial expansion and plastic deformation of the expandable tubular member within the wellbore.