SPECIALISED PETROLEUM SERVICES GROUP LIMITED patents filed

Company number: SC204919


Title Date Filed Status Publication number
Cement evaluation method and tool 2007-10-17 Granted GB2458036
Wellbore cleaning method and apparatus 2006-06-29 Granted GB2457396
Wellbore cleaning method and apparatus 2006-06-29 Granted GB2441693
Clamp 2005-08-23 Granted GB2430963
Improved packer 2005-05-03 Granted GB2428066
Downhole connector 2004-10-11 Granted GB2422865
Fixing of members 2004-08-24 Granted GB2417539
Circulation tool 2004-06-30 Granted GB2418691
Pressure controlled downhole operations 2004-05-27 Granted GB2419620
Method for catching drop balls 2004-04-20 Granted GB2427634
Downhole tool 2004-04-20 Granted GB2416555
Downhole tool 2004-03-31 Granted GB2415725
Ball arrester, seat and resetable actuation mechanism 2004-03-31 Granted GB2428718
Method of Circulating Fluid in a Borehole 2004-03-31 Granted GB2428719
Dual function cleaning tool 2004-03-19 Granted GB2433079
Dual function cleaning tool 2004-03-19 Granted GB2414758
Multi-cycle downhole tool with hydraulic damping 2003-12-30 Granted GB2413580
Downhole tool with actuable barrier 2003-12-08 Granted GB2410972
Packer 2003-05-20 Granted GB2404686
Selectively operational cleaning tool 2003-05-01 Granted GB2403973
Circulating sub 2003-04-14 Granted GB2403493
Stabiliser,jetting and circulating tool 2003-04-03 Granted GB2403249
Junk removal tool 2003-04-01 Granted GB2403969
Wellhead seal unit 2003-02-12 Granted GB2402150
Disengageable downhole tool 2003-01-16 Granted GB2400878
Safety mechanism for weight-set downhole tool 2002-11-05 Granted GB2399578
Disengagable reamer 2002-10-17 Granted GB2398813
Downhole weight bearing apparatus and method 2002-04-04 Granted GB2391888
Downhole circulation valve operated by dropping balls 2002-01-11 Granted GB2389608
Combined milling and scraping tool 2001-10-26 Granted GB2402949
Downhole fluid sampler with one way valve 2001-10-12 Granted GB2367844
Compression set packer 2001-04-27 Granted GB2374366
Downhole cleaning tool with shear clutch 2001-01-22 Granted GB2359105
Liner setting tool with radial washout ports 2001-01-12 Terminated GB2358208
Apparatus incorporating jet pump for well head cleaning 2000-09-22 Granted GB2354542
Wellhead cleanup tool 2000-09-15 Granted GB2354272
Magnetic well cleaning apparatus 2000-05-30 Granted GB2350632
Torque limiting tool 2000-01-31 Granted GB2346401
Downhole tool with floating component 1999-07-28 Granted GB2340862
Down-hole tool with detachable cleaning pads 1999-06-23 Granted GB2338734
Apparatus with retractable cleaning members 1999-06-15 Granted GB2346629
Apparatus and method for cleaning well risers 1999-06-09 Granted GB2339814
Well clean-up tool with improved cleaning member 1999-04-21 Granted GB2336612
Well cleaning tool 1999-04-21 Granted GB2373529
Apparatus for catching debris in a well bore 1999-03-25 Granted GB2335687
Circulation tool with valve operated by dropped ball 1999-02-25 Granted GB2341405
Compact well clean up tool with multi-function cleaning apparatus 1999-02-24 Granted GB2334541
Apparatus and method for inflating packers in a drilling well 1998-12-22 Ceased GB2340864
Apparatus and method for circulating fluid in a borehole 1998-10-14 Granted GB2342666
Fluid pressure operable downhole tool 1998-07-17 Granted GB2327445
Apparatus for circulating fluid 1998-04-27 Granted GB2325682
A valve 1998-02-04 Granted GB2323111
Apparatus and method for circulating fluid in a borehole 1997-11-27 Granted GB2326180
Apparatus for circulating fluid in a borehole 1997-01-27 Granted GB2309470
Apparatus for circulating fluid 1993-11-16 Granted GB2272923





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