An additional string is run through an existing string using a running string. With the strings overlapping an upper inflatable secures them together leaving gaps. The upper inflatable creates an upper expanded zone where the swage assembly is then built. The swage assembly has a seal and upon press
An additional string is run through an existing string using a running string. With the strings overlapping an upper inflatable secures them together leaving gaps. The upper inflatable creates an upper expanded zone where the swage assembly is then built. The swage assembly has a seal and upon pressure being applied between the upper inflatable and the seal the swage assembly releases the running string and is pushed to expand the additional string until tagging a cement shoe. The running string is rejoined to the swage assembly and after cementing a lower inflatable is deployed to make a bell and to set an external packer if used. If there is an external packer the shoe releases and on the way out of the hole the upper inflatable sets a seal in the lap.
대표청구항▼
1. A completion method for a subterranean location, comprising: running in, through an existing string, an additional tubular string using a running string;passing said additional tubular string through said existing string so that the upper end of said additional tubular string laps the lower end o
1. A completion method for a subterranean location, comprising: running in, through an existing string, an additional tubular string using a running string;passing said additional tubular string through said existing string so that the upper end of said additional tubular string laps the lower end of said existing string;in one trip that encompasses said running in and said passing, further securing said additional tubular string to the existing string, expanding said additional tubular string to a lower end of said additional tubular string with a swage assembly;providing at least one isolator in said additional tubular string;selectively releasing said swage assembly from said isolator and thereafter axially driving said swage assembly with applied pressure;using said isolator to seal and expand at least a portion of said additional tubular string. 2. The method of claim 1, comprising: building said swage assembly to an expansion dimension in a portion of said additional tubular string previously expanded by said isolator. 3. The method of claim 1, comprising: using an inflatable as said isolator. 4. The method of claim 3, comprising: creating an expanded zone in said additional tubular string with sequential deployment, release and repositioning of said inflatable;initially building a swage assembly to an expansion dimension within said expanded zone. 5. A completion method for a subterranean location, comprising: running in, through an existing string, an additional tubular string using a running string;passing said additional tubular string through said existing string so that the upper end of said additional tubular string laps the lower end of said existing string;in one trip that encompasses said running in and said passing, further securing said additional tubular string to the existing string, expanding said additional tubular string;providing at least one isolator in said additional tubular string;using said isolator to seal and expand at least a portion of said additional tubular string;using a swage assembly for said expanding;selectively securing said swage assembly to said running string;building said swage assembly to an expansion dimension in a portion of said additional tubular string previously expanded by said isolator;expanding said additional tubular string with said swage assembly released from said running string;pressurizing a space defined between said isolator and said swage assembly to drive said swage assembly for expansion of said additional tubular string. 6. The method of claim 5, comprising: using said isolator to secure said additional tubular string to said existing tubular at said lap with at least one gap between said tubulars at said lap. 7. The method of claim 6, comprising: closing said gap with said isolator after cementing said additional tubular string. 8. The method of claim 7, comprising: using an inflatable as said isolator. 9. The method of claim 5, comprising: providing a swage assembly seal with said swage assembly to define a sealed variable volume chamber with said isolator that changes volume as pressure within said chamber drives said swage assembly. 10. The method of claim 5, comprising: cementing in said additional tubular in said single trip. 11. A completion method for a subterranean location, comprising: running in, through an existing string, an additional tubular string using a running string;passing said additional tubular string through said existing string so that the upper end of said additional tubular string laps the lower end of said existing string;in one trip that encompasses said running in and said passing, further securing said additional tubular string to the existing string, expanding said additional tubular string, and cementing said additional tubular string;providing at least one isolator in said additional tubular string;using said isolator to seal and expand at least a portion of said additional tubular string;using an inflatable as said isolator;creating an expanded zone in said additional tubular string with sequential deployment, release and repositioning of said inflatable;initially building a swage assembly to an expansion dimension within said expanded zone;tagging a cement shoe near a lower end of said additional tubular string with said swage assembly;tagging the running string into said swage assembly after said swage assembly has tagged said shoe;cementing said additional string through said running string and said shoe. 12. The method of claim 11, comprising: providing at least an upper and a lower isolator as said at least one isolator;supporting said cement shoe to said additional string with said lower isolator. 13. The method of claim 12, comprising: deploying said lower isolator to expand the lower end of the additional tubular string to have a bell shape. 14. The method of claim 13, comprising: releasing said swage assembly from said shoe after said cementing;removing said isolators and said swage assembly together with said running string. 15. The method of claim 12, comprising: using an inflatable for said lower isolator. 16. The method of claim 12, comprising: setting an external packer on said additional string into cement in a surrounding annulus with said lower isolator. 17. The method of claim 16, comprising: retracting said lower isolator after said cementing;repositioning said upper isolator adjacent said lap;using said upper isolator to expand a seal on said additional string against said existing string;removing said isolators and said swage assembly and said shoe together with said running string. 18. A completion method for a subterranean location, comprising: running in, through an existing string, an additional tubular string using a running string;passing said additional tubular string through said existing string so that the upper end of said additional tubular string laps the lower end of said existing string;in one trip that encompasses said running in and said passing, further securing said additional tubular string to the existing string, expanding said additional tubular string, and cementing said additional tubular string;providing at least one isolator in said additional tubular string;using said isolator to seal and expand at least a portion of said additional tubular string;providing at least an upper and a lower isolator as said at least one isolator;supporting a cement shoe to said additional string with said lower isolator. 19. The method of claim 18, comprising: using an inflatable as said lower isolator. 20. The method of claim 19, comprising: actuating an external packer on said additional string with said inflatable;releasing said shoe from said additional tubular string by deflation of said inflatable while retaining said shoe with said running string;mounting said upper inflatable on said running string;repositioning said running string after said cementing to place said upper inflatable adjacent said lap;inflating said upper inflatable to set a seal in said lap;removing said inflatables, said swage assembly and said shoe with said running string. 21. The method of claim 18, comprising: mounting said upper inflatable on said running string;repositioning said running string after said cementing and release from said shoe to place said upper inflatable adjacent said lap;inflating said upper inflatable to set a seal in said lap;removing said inflatables and said swage assembly with said running string. 22. The method of claim 18, comprising: deploying said lower isolator with said running string, after cementing through said shoe, to expand the lower end of the additional tubular string to have a bell shape. 23. A completion method for a subterranean location, comprising: running in, through an existing string, an additional tubular string using a running string;passing said additional tubular string through said existing string so that the upper end of said additional tubular string laps the lower end of said existing string;in one trip that encompasses said running in and said passing, further securing said additional tubular string to the existing string, expanding said additional tubular string to a lower end of said additional tubular string;providing at least one isolator in said additional tubular string;using said isolator to seal and expand at least a portion of said additional tubular string; cementing in said additional tubular in said single trip.
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