IT1293681B1 - Coppie di materiali ottimali per tenuta di faccia metallica di punte di trivellazione del terreno - Google Patents
Coppie di materiali ottimali per tenuta di faccia metallica di punte di trivellazione del terrenoInfo
- Publication number
- IT1293681B1 IT1293681B1 IT97TO000717A ITTO970717A IT1293681B1 IT 1293681 B1 IT1293681 B1 IT 1293681B1 IT 97TO000717 A IT97TO000717 A IT 97TO000717A IT TO970717 A ITTO970717 A IT TO970717A IT 1293681 B1 IT1293681 B1 IT 1293681B1
- Authority
- IT
- Italy
- Prior art keywords
- materials
- ground drilling
- drilling bits
- face holding
- metallic face
- Prior art date
Links
- 238000005553 drilling Methods 0.000 title 1
Classifications
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21B—EARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B10/00—Drill bits
- E21B10/08—Roller bits
- E21B10/22—Roller bits characterised by bearing, lubrication or sealing details
- E21B10/25—Roller bits characterised by bearing, lubrication or sealing details characterised by sealing details
Landscapes
- Engineering & Computer Science (AREA)
- Life Sciences & Earth Sciences (AREA)
- Geology (AREA)
- Mining & Mineral Resources (AREA)
- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- Environmental & Geological Engineering (AREA)
- Fluid Mechanics (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Earth Drilling (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US08/692,939 US5791421A (en) | 1996-08-06 | 1996-08-06 | Optimal material pair for metal face seal in earth-boring bits |
Publications (2)
Publication Number | Publication Date |
---|---|
ITTO970717A1 ITTO970717A1 (it) | 1999-02-06 |
IT1293681B1 true IT1293681B1 (it) | 1999-03-08 |
Family
ID=24782671
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
IT97TO000717A IT1293681B1 (it) | 1996-08-06 | 1997-08-06 | Coppie di materiali ottimali per tenuta di faccia metallica di punte di trivellazione del terreno |
Country Status (4)
Country | Link |
---|---|
US (1) | US5791421A (it) |
FR (1) | FR2752596B1 (it) |
GB (1) | GB2316110B (it) |
IT (1) | IT1293681B1 (it) |
Families Citing this family (24)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB2384266B (en) * | 1999-02-02 | 2003-10-01 | Smith International | Drill bit |
US6536542B1 (en) * | 1999-10-28 | 2003-03-25 | Smith International, Inc. | Rock bit seal with multiple dynamic seal surface elements |
US6450271B1 (en) | 2000-07-21 | 2002-09-17 | Baker Hughes Incorporated | Surface modifications for rotary drill bits |
US6820704B2 (en) | 2001-08-08 | 2004-11-23 | Smith International, Inc. | Rock bit seal with extrusion prevention member |
US6427790B1 (en) * | 2001-11-08 | 2002-08-06 | Schlumberger Technology Corporation | Rock bit face seal having lubrication gap |
US6837317B2 (en) * | 2001-11-16 | 2005-01-04 | Varel International, Ltd. | Bearing seal |
AU2003232030A1 (en) * | 2002-04-30 | 2003-11-17 | Iqbal Singh | Spade-type drill bit having helical configuration |
US7234541B2 (en) * | 2002-08-19 | 2007-06-26 | Baker Hughes Incorporated | DLC coating for earth-boring bit seal ring |
DE10300567A1 (de) * | 2003-01-10 | 2004-07-29 | Federal-Mogul Friedberg Gmbh | Laufwerkdichtung |
US7117961B2 (en) * | 2003-07-31 | 2006-10-10 | Smith International, Inc. | Dynamic seal with soft interface |
US7461708B2 (en) * | 2004-08-16 | 2008-12-09 | Smith International, Inc. | Elastomeric seal assembly having auxiliary annular seal components |
US7413037B2 (en) * | 2004-09-17 | 2008-08-19 | Baker Hughes Incorporated | Metal face seal for an earth-boring bit |
US20060065445A1 (en) * | 2004-09-28 | 2006-03-30 | Smith International, Inc. | Rock-bit seals with asymmetric contact profiles |
US20070045966A1 (en) * | 2005-08-31 | 2007-03-01 | Caterpillar Inc. | Coatings for metal-metal seal surfaces |
DE102006053165A1 (de) * | 2006-11-09 | 2008-05-15 | Carl Freudenberg Kg | Gleitringdichtung, Gleitringdichtungsanordnung und deren Verwendung |
US20110048810A1 (en) * | 2009-08-26 | 2011-03-03 | Baker Hughes Incorporated | Synergic surface modification for bearing seal |
US8967301B2 (en) | 2010-02-03 | 2015-03-03 | Baker Hughes Incorporated | Composite metallic elastomeric sealing components for roller cone drill bits |
DE102011013366B4 (de) * | 2011-03-08 | 2014-10-02 | Federal-Mogul Burscheid Gmbh | Gleitringdichtung |
US9909365B2 (en) | 2011-04-29 | 2018-03-06 | Baker Hughes Incorporated | Downhole tools having mechanical joints with enhanced surfaces |
WO2013149358A1 (zh) * | 2012-04-01 | 2013-10-10 | Xing Fafen | 牙轮钻头弹簧蓄能轴承双密封圈 |
US9091130B2 (en) | 2013-02-13 | 2015-07-28 | Varel International, Ind., L.P. | Rock bit having a radially self-aligning metal faced seal |
US9163459B2 (en) | 2013-02-13 | 2015-10-20 | Varel International, Ind., L.P. | Rock bit having a pressure balanced metal faced seal |
US9163458B2 (en) | 2013-02-13 | 2015-10-20 | Varel International, Ind., L.P. | Rock bit having a flexible metal faced seal |
CN106595310B (zh) * | 2016-12-19 | 2019-10-25 | 攀枝花钢城集团有限公司 | 链篦机托轴轴端密封结构 |
Family Cites Families (21)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US930759A (en) | 1908-11-20 | 1909-08-10 | Howard R Hughes | Drill. |
US3086782A (en) * | 1959-12-21 | 1963-04-23 | Federal Mogul Bower Bearings | Face seal |
DE2253018A1 (de) * | 1972-10-28 | 1974-05-09 | Deutsche Edelstahlwerke Gmbh | Dichtleiste aus hartmetall fuer kreiskolben-motoren |
US4176848A (en) * | 1978-06-30 | 1979-12-04 | Dresser Industries, Inc. | Rotary bearing seal for drill bits |
US4249622A (en) * | 1979-06-11 | 1981-02-10 | Dresser Industries, Inc. | Floating seal for drill bits |
US4516641A (en) * | 1983-10-17 | 1985-05-14 | Hughes Tool Company-Usa | Earth boring bit with pressure compensating rigid face seal |
US4753303A (en) * | 1983-10-17 | 1988-06-28 | Hughes Tool Company--USA | Earth boring bit with two piece bearing and rigid face seal assembly |
US4666001A (en) * | 1983-10-17 | 1987-05-19 | Hughes Tool Company - Usa | Earth boring bit with improved rigid face seal assembly |
US4753304A (en) | 1987-03-09 | 1988-06-28 | Hughes Tool Company | Volume and pressure balanced rigid face seal for rock bits |
DE68905949T2 (de) * | 1988-03-31 | 1993-07-22 | Smith International | Metallische dichtung fuer gesteinsbohrmeissel. |
US4822057A (en) * | 1988-03-31 | 1989-04-18 | Smith International, Inc. | Mechanical face seal for rock bits |
US4838365A (en) * | 1988-04-25 | 1989-06-13 | Reed Tool Company | Seal assembly for rotary drill bits |
US4923020A (en) * | 1988-06-23 | 1990-05-08 | Hughes Tool Company | Rock bit with rigid face seals and recessed energizers |
US4934467A (en) * | 1988-12-02 | 1990-06-19 | Dresser Industries, Inc. | Drill bit wear resistant surface for elastomeric seal |
US5360076A (en) * | 1992-04-03 | 1994-11-01 | Hughes Tool Company | Dual metal face seal with single recessed energizer |
US5295549A (en) * | 1992-12-14 | 1994-03-22 | Baker Hughes Incorporated | Mechanical lock to prevent seal ring rotation |
GB2278865B (en) * | 1993-04-16 | 1996-06-26 | Baker Hughes Inc | Earth-boring bit with improved rigid face seal |
US5402858A (en) * | 1994-03-11 | 1995-04-04 | Smith International, Inc. | O-ring seal for rock bit bearings |
US5472058A (en) * | 1994-04-20 | 1995-12-05 | Smith International, Inc. | Rock bit with mechanical seal |
JP3291552B2 (ja) * | 1994-05-30 | 2002-06-10 | 独立行政法人産業技術総合研究所 | シール又は軸受 |
US5485890A (en) * | 1994-06-14 | 1996-01-23 | Smith International, Inc. | Rock bit |
-
1996
- 1996-08-06 US US08/692,939 patent/US5791421A/en not_active Expired - Lifetime
-
1997
- 1997-08-05 FR FR9710008A patent/FR2752596B1/fr not_active Expired - Fee Related
- 1997-08-05 GB GB9716538A patent/GB2316110B/en not_active Expired - Fee Related
- 1997-08-06 IT IT97TO000717A patent/IT1293681B1/it active IP Right Grant
Also Published As
Publication number | Publication date |
---|---|
FR2752596A1 (fr) | 1998-02-27 |
ITTO970717A1 (it) | 1999-02-06 |
GB2316110B (en) | 2001-01-03 |
GB2316110A (en) | 1998-02-18 |
GB9716538D0 (en) | 1997-10-08 |
FR2752596B1 (fr) | 2000-10-13 |
US5791421A (en) | 1998-08-11 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
0001 | Granted |