Anchored riserless mud return systems

Details Anchored riserless mud return systems Anchored riserless mud return systems

2011-05-10

2011-05-10

Beach, Thomas A (Department: 3671)

Wells

Submerged well

Means removably connected to permanent well structure

C166S367000, C175S005000, C175S007000, C175S038000

Reexamination Certificate

active

07938190

ABSTRACT:
A riserless mud recovery system including a mud return line secured by an anchor is disclosed. Some system embodiments for drilling a well bore in an offshore location having a water surface and a subsea formation include an offshore structure positioned on a platform at a water surface, a drill string for forming the well bore suspended from the offshore structure, a drilling fluid source on the platform for supplying drilling fluid through the drill string, a suction module for collecting the drilling fluid emerging from the well bore, a return pipe coupled to the suction module, a pump for receiving the drilling fluid from the suction module and pumping the drilling fluid through the return pipe to a location at the water surface, and an anchor for securing the return pipe, where the anchor is coupled to the return pipe and the subsea formation.

REFERENCES:
patent: 3465817 (1969-09-01), Vincent
patent: 3815673 (1974-06-01), Bruce et al.
patent: 4063602 (1977-12-01), Howell et al.
patent: 4088089 (1978-05-01), Flory
patent: 4091881 (1978-05-01), Maus
patent: 4099583 (1978-07-01), Maus
patent: 4147221 (1979-04-01), Ilfrey et al.
patent: 4291772 (1981-09-01), Beynet
patent: 4414846 (1983-11-01), Dublin et al.
patent: 4645467 (1987-02-01), Pollack
patent: 4653960 (1987-03-01), Chun
patent: 4813495 (1989-03-01), Leach
patent: 5006845 (1991-04-01), Calcar et al.
patent: 5727640 (1998-03-01), Gleditsch
patent: 5848656 (1998-12-01), Møksvold
patent: 6102673 (2000-08-01), Mott et al.
patent: 6142236 (2000-11-01), Brammer et al.
patent: 6216799 (2001-04-01), Gonzalez
patent: 6276455 (2001-08-01), Gonzalez
patent: 6325159 (2001-12-01), Peterman et al.
patent: 6328107 (2001-12-01), Maus
patent: 6401823 (2002-06-01), Gonzalez et al.
patent: 6415877 (2002-07-01), Fincher et al.
patent: 6454022 (2002-09-01), Sangesland et al.
patent: 6457529 (2002-10-01), Calder et al.
patent: 6474422 (2002-11-01), Schubert et al.
patent: 6527054 (2003-03-01), Fincher et al.
patent: 6648081 (2003-11-01), Fincher et al.
patent: 6668943 (2003-12-01), Maus et al.
patent: 6745851 (2004-06-01), Edvardsen
patent: 6745857 (2004-06-01), Gjedebo
patent: 6823950 (2004-11-01), von Eberstein et al.
patent: 6854532 (2005-02-01), Fincher et al.
patent: 6966367 (2005-11-01), Butler et al.
patent: 7063158 (2006-06-01), Horton, III
patent: 7264058 (2007-09-01), Fossli
PCT/US2008/081262 International Search Report and Written Opinion, Apr. 24, 2009.

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