Methods of casing drilling

Details Methods of casing drilling Methods of casing drilling

2007-02-27

2007-02-27

Neuder, William (Department: 3672)

Boring or penetrating the earth

Processes

Boring curved or redirected bores

C175S073000, C175S171000

Reexamination Certificate

active

10754302

ABSTRACT:
The present invention provides a method and apparatus for casing while drilling without the use of an underreamer. In one aspect, the invention provides a flexible drill collar that enables drilling of a large enough borehole for passage of the casing string therethrough.

REFERENCES:
patent: 4842081 (1989-06-01), Parant
patent: 5082069 (1992-01-01), Seilor et al.
patent: 5117927 (1992-06-01), Askew
patent: 5197553 (1993-03-01), Leturno
patent: 5219028 (1993-06-01), Martin et al.
patent: 5255741 (1993-10-01), Alexander
patent: 5452967 (1995-09-01), Fuller
patent: 5456326 (1995-10-01), Raines
patent: 5472057 (1995-12-01), Winfree
patent: 5662170 (1997-09-01), Donovan et al.
patent: 5755289 (1998-05-01), Angman et al.
patent: 5839519 (1998-11-01), Spedale, Jr.
patent: 5845722 (1998-12-01), Makohl et al.
patent: 5921332 (1999-07-01), Spedale, Jr.
patent: 5950742 (1999-09-01), Caraway
patent: 5957225 (1999-09-01), Sinor
patent: 6102119 (2000-08-01), Raines
patent: 6158531 (2000-12-01), Vail, III
patent: 6182776 (2001-02-01), Asberg
patent: 6196336 (2001-03-01), Fincher et al.
patent: 6199641 (2001-03-01), Downie et al.
patent: 6227306 (2001-05-01), Downie et al.
patent: 6263987 (2001-07-01), Vail, III
patent: 6311792 (2001-11-01), Scott et al.
patent: 6419033 (2002-07-01), Hahn et al.
patent: 6877570 (2005-04-01), Chen et al.
patent: 2002/0040787 (2002-04-01), Cook et al.
patent: 2002/0050360 (2002-05-01), Cook et al.
patent: 2002/0175003 (2002-11-01), Pisoni et al.
patent: 2002/0179336 (2002-12-01), Schaaf et al.
patent: 2004/0140128 (2004-07-01), Vail
patent: 2005/0126826 (2005-06-01), Moriarty et al.
patent: 0462618 (1991-12-01), None
patent: WO00/37771 (2000-06-01), None
patent: WO00/50730 (2000-08-01), None
patent: WO01/83932 (2001-11-01), None
patent: WO01/86111 (2001-11-01), None
patent: WO01/94738 (2001-12-01), None
patent: WO01/94739 (2001-12-01), None
patent: WO02/10549 (2002-02-01), None
patent: WO02/14649 (2002-02-01), None

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