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Class Information
Number: 166/81.1
Name: Wells > Above ground apparatus > Fluid catcher around pipe coupling
Description: Above ground apparatus comprising an enclosure or deflecting member, other than the casing head, placed about a section of well pipe so that the liquid contents of the pipe may be prevented from being indiscriminately emitted.










Patents under this class:
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Patent Number Title Of Patent Date Issued
8641811 Ecologically sensitive mud-gas containment system Feb. 4, 2014
8485250 Sealed well cellar Jul. 16, 2013
8479807 Well fluid leak detection and response apparatus and method Jul. 9, 2013
8365817 Stuffing box leak containment apparatus Feb. 5, 2013
8342237 Stuffing box leak containment apparatus Jan. 1, 2013
8256505 Sealed well cellar Sep. 4, 2012
8127837 Sealed well cellar Mar. 6, 2012
8127838 Stuffing box leak containment apparatus Mar. 6, 2012
8100174 Drill fluid collecting device and method of use Jan. 24, 2012
8079412 Method and apparatus for mitigating environmental impact due to fluid leaks Dec. 20, 2011
8033338 Wellbore continuous circulation systems and method Oct. 11, 2011
7987904 Sealed well cellar Aug. 2, 2011
7926570 Method and apparatus for preventing spillage or loss of drill fluids Apr. 19, 2011
7681633 Method and apparatus for preventing spillage or loss of drill fluids Mar. 23, 2010
7637692 Sealed well cellar Dec. 29, 2009
7562702 Drain cap stuffing box Jul. 21, 2009
7469747 Method and apparatus for preventing spillage or loss of drill fluids Dec. 30, 2008
7413012 System and method for collecting escaping hydrocarbons from a breached well pipe Aug. 19, 2008
7392860 Stripper rubber on a steel core with an integral sealing gasket Jul. 1, 2008
7373987 Method and apparatus for preventing spillage or loss of drill fluids May. 20, 2008
7325599 Safety shield for rotary drilling rigs Feb. 5, 2008
7322418 Continuous circulation drilling method Jan. 29, 2008
7306032 Fluid collecting device Dec. 11, 2007
7252151 Drilling method Aug. 7, 2007
7219737 Subsea wellhead arrangement for hydraulically pumping a well May. 22, 2007
7134502 Method and apparatus for preventing spillage or loss of drill fluids Nov. 14, 2006
6739397 Continuous circulation drilling method May. 25, 2004
6688394 Drilling methods and apparatus Feb. 10, 2004
6591916 Drilling method Jul. 15, 2003
6474418 Wellbore fluid recovery system and method Nov. 5, 2002
6415861 Wellhead fluid collection system Jul. 9, 2002
6386225 Modular catch pan for wellheads and a method of use of the same May. 14, 2002
6315051 Continuous circulation drilling method Nov. 13, 2001
6286593 Oilwell leak containment apparatus for a completed oilwell Sep. 11, 2001
6119772 Continuous flow cylinder for maintaining drilling fluid circulation while connecting drill string joints Sep. 19, 2000
5937947 Method and apparatus for preventing environmental contamination due to fluid leakage from a wellhead Aug. 17, 1999
5857518 Oil well pump leakage accumulator Jan. 12, 1999
5775419 Wellhead leak containment device Jul. 7, 1998
5634485 Method and apparatus for retrofitting drilling rigs with a catch pan Jun. 3, 1997
5551511 Drilling fluid containment apparatus for use in disconnecting a kelly from a drill string Sep. 3, 1996
5540283 Well pumping Jul. 30, 1996
5477920 Membrane liner for casing head of oil wells and the like and method of use therefore Dec. 26, 1995
5441108 Fluid spill catching, containing, collection and recovery system for wellheads Aug. 15, 1995
5419400 Environmental vat May. 30, 1995
5394939 Well head stuffing box leak detector and container Mar. 7, 1995
5392861 Residual pollution containment device and method of cleaning a wireline Feb. 28, 1995
5377748 Spill container for wells with improved mounting Jan. 3, 1995
5351753 Leak containment system for a stuffing box Oct. 4, 1994
5343943 Portable oil-drilling waste recovery system Sep. 6, 1994
5295535 Cover for an observation well Mar. 22, 1994

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