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An improved method and/or apparatus for completing a wellbore is provided. In one embodiment, a method of lining a pre-drilled wellbore is provided. The method includes the act of providing a casing assembly, the casing assembly including a string of casing; and a retractable joint comprising an inn

An improved method and/or apparatus for completing a wellbore is provided. In one embodiment, a method of lining a pre-drilled wellbore is provided. The method includes the act of providing a casing assembly, the casing assembly including a string of casing; and a retractable joint comprising an inner tubular and an outer tubular. The method further includes the acts of running the casing assembly into the pre-drilled wellbore and actuating the retractable joint, thereby reducing the length of the casing assembly through movement between the inner and outer tubulars.

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The invention claimed is: 1. A method of lining a pre-drilled wellbore, comprising: providing a casing assembly, the casing assembly comprising: a string of casing; a retractable joint comprising an inner tubular and an outer tubular; and a hanger; running the casing assembly into the pre-drilled

The invention claimed is: 1. A method of lining a pre-drilled wellbore, comprising: providing a casing assembly, the casing assembly comprising: a string of casing; a retractable joint comprising an inner tubular and an outer tubular; and a hanger; running the casing assembly into the pre-drilled wellbore; and actuating the retractable joint, thereby reducing the length of the casing assembly through movement between the inner and outer tubulars and landing the hanger into a casinghead. 2. The method of claim 1, wherein the retractable joint comprises a shearable member coupling the inner and outer tubulars. 3. The method of claim 2, wherein the act of actuating the retractable joint comprises setting at least some of the weight of the casing on the retractable joint, thereby breaking the shearable member. 4. The method of claim 1, further comprising injecting cement through the casing assembly and into an annulus between the casing assembly and the wellbore. 5. The method of claim 1, wherein the retractable joint is disposed at an end of the casing string distal from a surface of the wellbore. 6. The method of claim 1, wherein the casing assembly further comprises a second retractable joint. 7. The method of claim 1, wherein the retractable joint further comprises an anti-rotation member coupling the inner and outer tubulars. 8. The method of claim 7, wherein the anti-rotation member comprises a slip. 9. The method of claim 7, wherein the anti-rotation member comprises a ball. 10. The method of claim 7, wherein the anti-rotation member comprises a shearable member. 11. The method of claim 7, wherein the anti-rotation member comprises a spline. 12. The method of claim 1, wherein the outer tubular has a vane disposed on an outer surface thereof. 13. The method of claim 1, wherein the length of the casing assembly is greater than a depth of the wellbore. 14. The method of claim 1, wherein the casing assembly further comprises a guide shoe and the act of running comprises running the casing assembly into the pre-drilled wellbore until the guide shoe rests on the bottom of the wellbore. 15. The method of claim 1, wherein the casing assembly further comprises a guide shoe, the guide shoe comprising a body having an axial bore therethrough and at least one port through a wall thereof; a liner covering the port, the liner configured to rupture at a predetermined pressure; and a nose disposed on the body, made from a drillable material, and having a bore therethrough. 16. The method of claim 15, wherein the nose has a blade disposed on an outer surface thereof. 17. The method of claim 15, wherein the body has a vane disposed on an outer surface thereof. 18. The method of claim 15, wherein the liner is made from a drillable material. 19. The method of claim 15, wherein the body further comprises a second port through the wall thereof, the second port is covered by the liner or a second liner having a thickness substantially equal to the thickness of the liner, the first port is axially disposed proximate to the nose and the second port is axially disposed distal from the nose, and the diameter of the second port is less than the diameter of the first port. 20. The method of claim 15, wherein the body further comprises a second port through the wall thereof, the second port is covered by a second liner having a thickness greater than the thickness of the liner, the first port is axially disposed proximate to the nose and the second port is axially disposed distal from the nose, and the diameter of the second port substantially equal to the diameter of the first port. 21. The method of claim 15, further comprising injecting circulation fluid through the casing assembly, thereby increasing pressure inside the guide shoe and rupturing the liner. 22. The method of claim 21, further comprising drilling through the nose of the guide shoe. 23. The method of claim 1, wherein the retractable joint is configured so that the inner tubular will slide into the outer tubular when the retractable joint is actuated. 24. The method of claim 1, wherein the retractable joint is configured so that the outer tubular will slide over the inner tubular when the retractable joint is actuated and the inner tubular is made from a drillable material. 25. A method of drilling a wellbore, comprising: rotating a drill bit or drill shoe of a casing assembly, the casing assembly comprising: a string of casing; a retractable joint comprising an inner tubular and an outer tubular; and the drill bit or drill shoe coupled to a lower one of the inner and outer tubulars; drilling the wellbore with the casing assembly; and actuating the retractable joint, thereby reducing the length of the casing assembly through movement between the inner and outer tubulars. 26. The method of claim 25, wherein the retractable joint comprises a shearable member coupling the inner and outer tubulars. 27. The method of claim 26, wherein the act of actuating the retractable joint comprises setting at least some of the weight of the casing on the retractable joint, thereby breaking the shearable member. 28. The method of claim 25, wherein the casing assembly further comprises a hanger and the hanger is landed into a casinghead from actuating the retractable joint. 29. The method of claim 25, further comprising injecting cement through the casing assembly and into an annulus between the casing assembly and the wellbore. 30. The method of claim 25, wherein the retractable joint further comprises an anti-rotation member coupling the inner and outer tubulars after and during actuation of the retractable joint. 31. The method of claim 30, wherein the anti-rotation member comprises a slip. 32. The method of claim 30, wherein the anti-rotation member comprises a ball. 33. The method of claim 30, wherein the anti-rotation member comprises a shearable member. 34. The method of claim 30, wherein the anti-rotation member comprises a spline. 35. The method of claim 25, wherein: the casing assembly comprises the drill shoe, and the drill shoe comprises: an outer drilling section made from steel, and an inner drilling section made from a drillable material. 36. The method of claim 35, further comprising: displacing the outer section; and drilling through the inner section. 37. The method of claim 25, wherein the retractable joint is located proximate to the drill bit or drill shoe. 38. The method of claim 25, wherein the retractable joint is located distally from the drill bit or drill shoe. 39. A method of lining a pre-drilled wellbore, comprising: providing a casing assembly, the casing assembly comprising: a string of casing; and a retractable joint comprising an inner tubular, an outer tubular, and an anti-rotation member coupling the inner and outer tubulars, wherein the anti-rotation member comprises a ball; running the casing assembly into the pre-drilled wellbore; and actuating the retractable joint, thereby reducing the length of the casing assembly through movement between the inner and outer tubulars. 40. A method of lining a pre-drilled wellbore, comprising: providing a casing assembly, the casing assembly comprising: a string of casing; and a retractable joint comprising an inner tubular and an outer tubular, wherein the outer tubular has a vane disposed on an outer surface thereof; running the casing assembly into the pre-drilled wellbore; and actuating the retractable joint, thereby reducing the length of the casing assembly through movement between the inner and outer tubulars. 41. A method of lining a pre-drilled wellbore, comprising: providing a casing assembly, the casing assembly comprising: a string of casing; a retractable joint comprising an inner tubular and an outer tubular; and a guide shoe, comprising: a body having an axial bore therethrough and at least one port through a wall thereof; a liner covering the port, the liner configured to rupture at a predetermined pressure; and a nose disposed on the body, made from a drillable material, and having a bore therethrough; running the casing assembly into the pre-drilled wellbore; and actuating the retractable joint, thereby reducing the length of the casing assembly through movement between the inner and outer tubulars. 42. The method of claim 41, wherein the nose has a blade disposed on an outer surface thereof. 43. The method of claim 41, wherein the body has a vane disposed on an outer surface thereof. 44. The method of claim 41, wherein the liner is made from a drillable material. 45. The method of claim 41, wherein the body further comprises a second port through the wall thereof, the second port is covered by the liner or a second liner having a thickness substantially equal to the thickness of the liner, the first port is axially disposed proximate to the nose and the second port is axially disposed distal from the nose, and the diameter of the second port is less than the diameter of the first port. 46. The method of claim 41, wherein the body further comprises a second port through the wall thereof, the second port is covered by a second liner having a thickness greater than the thickness of the liner, the first port is axially disposed proximate to the nose and the second port is axially disposed distal from the nose, and the diameter of the second port substantially equal to the diameter of the first port. 47. The method of claim 41, further comprising injecting circulation fluid through the casing assembly, thereby increasing pressure inside the guide shoe and rupturing the liner. 48. The method of claim 41, further comprising drilling through the nose of the guide shoe. 49. The method of claim 48, wherein: the casing assembly further comprises a guide shoe, and the method further comprises: rotating the casing assembly while running the casing assembly into the wellbore; and injecting cement through the casing assembly and into an annulus between the casing assembly and the wellbore. 50. A method of lining a pre-drilled wellbore, comprising: running a casing assembly into the pre-drilled wellbore, the casing assembly comprising: a string of casing; and a retractable joint comprising an inner tubular, an outer tubular, and an anti-rotation member and movable between an extended and retracted position; and actuating the retractable joint from the extended position to the retracted position, thereby reducing the length of the casing assembly through movement between the inner and outer tubulars, wherein the anti-rotation member rotationally couples the tubulars at and between the positions. 51. A method of lining a pre-drilled wellbore, comprising: running the casing assembly into the pre-drilled wellbore while rotating the casing assembly and injecting drilling fluid through the casing assembly, the casing assembly comprising: a string of casing; a retractable joint comprising an inner tubular and an outer tubular; and a guide shoe; and actuating the retractable joint, thereby reducing the length of the casing assembly through movement between the inner and outer tubulars. 52. A method of lining a pre-drilled wellbore, comprising: running the casing assembly into the pre-drilled wellbore, the casing assembly comprising: a string of casing; and a retractable joint comprising an inner tubular and an outer tubular; actuating the retractable joint, thereby reducing the length of the casing assembly through movement between the inner and outer tubulars; after actuation of the retractable joint, injecting cement through the casing assembly and into an annulus between the casing assembly and the wellbore. 53. A method of lining a pre-drilled wellbore, comprising: running a casing assembly into the pre-drilled wellbore, the casing assembly comprising: a string of casing; a retractable joint comprising an inner tubular and an outer tubular; and a guide shoe, comprising: a body having an axial bore therethrough and at least one port through a wall thereof, the port being closed by a frangible member; the frangible member operable to rupture at a predetermined pressure; and actuating the retractable joint, thereby reducing the length of the casing assembly through movement between the inner and outer tubulars; injecting cement into the casing assembly and into an annulus between the casing assembly and the wellbore; and injecting circulation fluid through the casing assembly, thereby increasing pressure inside the guide shoe and rupturing the frangible member. 54. The method of claim 53, further comprising rotating the casing assembly while running the casing assembly into the wellbore. 55. The method of claim 53, wherein the guide shoe further comprises a nose disposed on the body, made from a drillable material, and having a bore therethrough. 56. The method of claim 55, further comprising drilling through the nose of the guide shoe. 57. The method of claim 55, wherein the nose has a blade disposed on an outer surface thereof. 58. The method of claim 53, wherein the body has a vane disposed on an outer surface thereof. 59. A method of lining a wellbore, comprising: running the casing assembly into the wellbore while rotating the casing assembly and injecting drilling fluid through the casing assembly, the casing assembly comprising: a string of casing; two retractable joints, each joint comprising an inner tubular and an outer tubular; and a drill bit or shoe; and actuating one or more of the retractable joints, thereby reducing the length of the casing assembly through movement between the inner and outer tubulars. 60. A method of lining a pre-drilled wellbore, comprising: running a casing assembly into the pre-drilled wellbore, the casing assembly comprising: a string of casing; a retractable joint comprising an inner tubular and an outer tubular; and a guide shoe, comprising: a body having an axial bore therethrough and at least one port through a wall thereof, the port being closed by a frangible member; the frangible member operable to rupture at a predetermined pressure; and a nose disposed on the body, made from a drillable material, having a bore therethrough and a blade disposed on an outer surface thereof; and actuating the retractable joint, thereby reducing the length of the casing assembly through movement between the inner and outer tubulars. 61. A method of lining a pre-drilled wellbore, comprising: running a casing assembly into the pre-drilled wellbore, the casing assembly comprising: a string of casing; a retractable joint comprising an inner tubular and an outer tubular; and a guide shoe, comprising: a body having an axial bore therethrough, at least one port through a wall thereof, the port being closed by a frangible member, and a vane disposed on an outer surface thereof; the frangible member operable to rupture at a predetermined pressure; and actuating the retractable joint, thereby reducing the length of the casing assembly through movement between the inner and outer tubulars.