Wellbore tubular patch system

A wellbore tubular patch for patching a hole in a wellbore, the tubular patch comprising

• an expandable top member having a hollow tubular body and a top end and a bottom end,
• an expandable bottom member having a hollow tubular body and a top end and a bottom end,
• an expandable outer sleeve in which is secured a portion of the bottom end of the expandable top member, and
• a portion of the top end of the expandable bottom member inserted into and held within expandable outer sleeve,
• wherein the expandable top member, the expandable bottom member, and the expandable outer sleeve are corrugated in cross-section prior to expansion,
• wherein the expandable top member and the expandable outer sleeve are held together by welding;
• and the expandable outer sleeve and expandable bottom member are held together by friction fit,
• and wherein the expandable top member and expandable outer sleeve are welded together at a site remote from a rig and the expandable bottom member and expandable outer sleeve are press fit together at the rig.

A method for closing off a hole in a select tubular in a second part of a tubular string, the tubular string in a wellbore, the wellbore extending from an earth surface to a point down therefrom, the tubular string including a first part having a first inner diameter and a second part having a second inner diameter, the second inner diameter greater than the first inner diameter, the method comprising

• introducing a tubular patch repair system into and through the first part of the tubular string, the select tubular, the tubular patch repair system for closing off the hole in the select tubular, the tubular patch repair system comprising an expandable top member having a hollow tubular body and a top end and a bottom end, an expandable bottom member having a hollow tubular body and a top end and a bottom end, an expandable outer sleeve in which is secured a portion of the bottom end of the expandable top member, and a portion of the top end of the expandable bottom member inserted into and held within expandable outer sleeve, wherein the expandable top member and the expandable outer sleeve are held together by welding;
• and the expandable outer sleeve and expandable bottom member are held together by friction fit,
• moving the tubular patch repair system into the second part of the tubular string,
• enlarging the tubular patch repair system within the second part of the tubular string for repair operation therein, and
• activating the tubular patch repair system to close off the hole in the select tubular.

A method for making a tubular patch for patching a hole in a tubular in an earth wellbore, the method comprising

• securing a portion of a bottom end of an expandable top member in an expandable outer sleeve, the expandable top member having a hollow tubular body and a top end,
• securing a portion of a top end of an expandable bottom member within the expandable outer sleeve, the expandable bottom emmber having a hollow tubular body,
• wherein the portion of the bottom end of the expandable top member is secured in the expandable outer sleeve by welding at a site remote from a rig,
• wherein the portion of the top end of the expandable bottom member is held within the expandable outer sleeve with a friction fit, and
• wherein the expandable top member, the expandable bottom member, and the expandable outer sleeve are corrugated in cross-section prior to expansion .