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SPECIALISED PETROLEUM SERVICES GROUP LIMITED patents filed
Company number: SC204919Title | 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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