ES514379A0 - Trepano giratorio para roca. - Google Patents
Trepano giratorio para roca.Info
- Publication number
- ES514379A0 ES514379A0 ES514379A ES514379A ES514379A0 ES 514379 A0 ES514379 A0 ES 514379A0 ES 514379 A ES514379 A ES 514379A ES 514379 A ES514379 A ES 514379A ES 514379 A0 ES514379 A0 ES 514379A0
- Authority
- ES
- Spain
- Prior art keywords
- trepano
- rock
- rotating
- rotating trepano
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
Classifications
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH DRILLING; MINING
- E21B—EARTH DRILLING, e.g. DEEP 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
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH DRILLING; MINING
- E21B—EARTH DRILLING, e.g. DEEP 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
- E21B10/24—Roller bits characterised by bearing, lubrication or sealing details characterised by lubricating details
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US06/286,826 US4448268A (en) | 1981-07-27 | 1981-07-27 | Rock bit with bearing lubricant reservoir |
Publications (2)
Publication Number | Publication Date |
---|---|
ES514379A0 true ES514379A0 (es) | 1983-10-16 |
ES8400532A1 ES8400532A1 (es) | 1983-10-16 |
Family
ID=23100335
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
ES514379A Expired ES8400532A1 (es) | 1981-07-27 | 1982-07-26 | Trepano giratorio para roca. |
Country Status (6)
Country | Link |
---|---|
US (1) | US4448268A (es) |
AU (1) | AU8514282A (es) |
CA (1) | CA1171073A (es) |
ES (1) | ES8400532A1 (es) |
NO (1) | NO822560L (es) |
ZA (1) | ZA824519B (es) |
Families Citing this family (15)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4552228A (en) * | 1984-02-21 | 1985-11-12 | Varel Mfg. Co. | Low pressure differential compensator |
US4593775A (en) * | 1985-04-18 | 1986-06-10 | Smith International, Inc. | Two-piece pressure relief valve |
US5207223A (en) * | 1990-10-19 | 1993-05-04 | Accuray, Inc. | Apparatus for and method of performing stereotaxic surgery |
RU2055142C1 (ru) * | 1993-10-11 | 1996-02-27 | Акционерное общество закрытого типа "Спецстройсервис" | Буровое шарошечное долото |
US6196339B1 (en) | 1995-12-19 | 2001-03-06 | Smith International, Inc. | Dual-seal drill bit pressure communication system |
US6336512B1 (en) * | 1999-02-02 | 2002-01-08 | Smith International, Inc. | Drill bit having canted seal |
US7128171B2 (en) * | 2004-02-23 | 2006-10-31 | Baker Hughes Incorporated | Hydrodynamic pump passages for rolling cone drill bit |
US7241049B2 (en) * | 2004-12-03 | 2007-07-10 | Baker Hughes Incorporated | Micropore engagement surfaces for earth boring bit |
FR2898168B1 (fr) * | 2006-03-06 | 2009-03-06 | Snr Roulements Sa | Procede de lubrification au moyen d'une matrice poreuse comprenant un lubrifiant, roulement et dispositif de transmission de couple ainsi lubrifies |
US7832505B2 (en) * | 2007-11-01 | 2010-11-16 | Varel International Ind., L.P. | Rock bit with a thermal insulating seal ring positioned in the seal gland |
US7798254B2 (en) * | 2008-01-03 | 2010-09-21 | Atlas Copco Secoroc Llc | Earth bit with hub and thrust units |
US8353369B2 (en) * | 2008-08-06 | 2013-01-15 | Atlas Copco Secoroc, LLC | Percussion assisted rotary earth bit and method of operating the same |
US7896109B2 (en) * | 2008-10-14 | 2011-03-01 | Baker Hughes Incorporated | Spacer ring for elastomeric seal |
US9194186B2 (en) * | 2012-10-17 | 2015-11-24 | Halliburton Energy Services, Inc. | Methods and system for lubrication pressure relief for a roller cone drill bit |
CN103321578A (zh) * | 2013-06-20 | 2013-09-25 | 西南石油大学 | 一种牙轮钻头用深穴空心圆柱滚子轴承 |
Family Cites Families (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3027626A (en) * | 1958-07-09 | 1962-04-03 | Barden Corp | Method of making a sintered polyamide resin ball bearing retainer |
US3096129A (en) * | 1961-09-11 | 1963-07-02 | Gen Motors Corp | Antifriction bearing and lubrication therefor |
US3630584A (en) * | 1970-01-02 | 1971-12-28 | Bayden Corp The | Lubricated ball bearing having long fatigue life |
US3784264A (en) * | 1971-03-02 | 1974-01-08 | Dresser Ind | Earth boring bit bearing system having a pitted bearing surface |
US4207658A (en) * | 1973-09-10 | 1980-06-17 | Dresser Industries, Inc. | Journal and pilot bearings with alternating surface areas of wear resistant and anti-galling materials |
DE2609736C3 (de) * | 1976-03-09 | 1981-01-08 | Anschuetz & Co Gmbh, 2300 Kiel | Vorrichtung zum Schmieren eines Wälzlagers |
NL7809912A (nl) * | 1978-10-02 | 1980-04-08 | Skf Ind Trading & Dev | Lager voor hoge draaisnelheden. |
US4284151A (en) * | 1979-10-19 | 1981-08-18 | Sandvik Aktiebolag | Lubricating device |
-
1981
- 1981-07-27 US US06/286,826 patent/US4448268A/en not_active Expired - Fee Related
-
1982
- 1982-06-22 CA CA000405731A patent/CA1171073A/en not_active Expired
- 1982-06-23 AU AU85142/82A patent/AU8514282A/en not_active Abandoned
- 1982-06-24 ZA ZA824519A patent/ZA824519B/xx unknown
- 1982-07-26 ES ES514379A patent/ES8400532A1/es not_active Expired
- 1982-07-26 NO NO822560A patent/NO822560L/no unknown
Also Published As
Publication number | Publication date |
---|---|
CA1171073A (en) | 1984-07-17 |
ES8400532A1 (es) | 1983-10-16 |
NO822560L (no) | 1983-01-28 |
ZA824519B (en) | 1983-04-27 |
US4448268A (en) | 1984-05-15 |
AU8514282A (en) | 1983-02-03 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
FD1A | Patent lapsed |
Effective date: 20000201 |