IT1320060B1 - Punti per perforazione di terreno con gambe inclinate. - Google Patents
Punti per perforazione di terreno con gambe inclinate.Info
- Publication number
- IT1320060B1 IT1320060B1 IT2000TO000404A ITTO20000404A IT1320060B1 IT 1320060 B1 IT1320060 B1 IT 1320060B1 IT 2000TO000404 A IT2000TO000404 A IT 2000TO000404A IT TO20000404 A ITTO20000404 A IT TO20000404A IT 1320060 B1 IT1320060 B1 IT 1320060B1
- Authority
- IT
- Italy
- Prior art keywords
- points
- inclined legs
- drilling
- land
- drilling land
- Prior art date
Links
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
-
- 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
- E21B10/18—Roller bits characterised by conduits or nozzles for drilling fluids
Landscapes
- Engineering & Computer Science (AREA)
- Geology (AREA)
- Life Sciences & Earth Sciences (AREA)
- Mining & Mineral Resources (AREA)
- Physics & Mathematics (AREA)
- Environmental & Geological Engineering (AREA)
- Fluid Mechanics (AREA)
- Mechanical Engineering (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Earth Drilling (AREA)
- Cultivation Receptacles Or Flower-Pots, Or Pots For Seedlings (AREA)
- Dental Tools And Instruments Or Auxiliary Dental Instruments (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US09/301,750 US6227314B1 (en) | 1999-04-29 | 1999-04-29 | Inclined leg earth-boring bit |
Publications (3)
| Publication Number | Publication Date |
|---|---|
| ITTO20000404A0 ITTO20000404A0 (it) | 2000-04-28 |
| ITTO20000404A1 ITTO20000404A1 (it) | 2001-10-28 |
| IT1320060B1 true IT1320060B1 (it) | 2003-11-12 |
Family
ID=23164701
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| IT2000TO000404A IT1320060B1 (it) | 1999-04-29 | 2000-04-28 | Punti per perforazione di terreno con gambe inclinate. |
Country Status (3)
| Country | Link |
|---|---|
| US (1) | US6227314B1 (it) |
| GB (1) | GB2349661B (it) |
| IT (1) | IT1320060B1 (it) |
Families Citing this family (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6688410B1 (en) * | 2000-06-07 | 2004-02-10 | Smith International, Inc. | Hydro-lifter rock bit with PDC inserts |
| US6691804B2 (en) * | 2001-02-20 | 2004-02-17 | William H. Harrison | Directional borehole drilling system and method |
| US20070261890A1 (en) * | 2006-05-10 | 2007-11-15 | Smith International, Inc. | Fixed Cutter Bit With Centrally Positioned Backup Cutter Elements |
| GB2442596B (en) * | 2006-10-02 | 2009-01-21 | Smith International | Drill bits with dropping tendencies and methods for making the same |
| US7703557B2 (en) * | 2007-06-11 | 2010-04-27 | Smith International, Inc. | Fixed cutter bit with backup cutter elements on primary blades |
| US9016407B2 (en) | 2007-12-07 | 2015-04-28 | Smith International, Inc. | Drill bit cutting structure and methods to maximize depth-of-cut for weight on bit applied |
| WO2009146078A1 (en) | 2008-04-01 | 2009-12-03 | Smith International, Inc. | Fixed cutter bit with backup cutter elements on secondary blades |
| US8096373B2 (en) * | 2008-04-04 | 2012-01-17 | Baker Hughes Incorporated | Rotary drill bits and drilling tools having protective structures on longitudinally trailing surfaces |
| CN101382045A (zh) * | 2008-07-30 | 2009-03-11 | 江汉石油钻头股份有限公司 | 一种用于水平井和硬地层井的三牙轮钻头 |
| CN103781986B (zh) | 2011-09-28 | 2016-08-17 | 江汉石油钻头股份有限公司 | 一种用于水平井和硬地层井的三牙轮钻头 |
| AU2018308567A1 (en) * | 2017-07-27 | 2020-02-13 | Sandvik Intellectual Property Ab | Rock bit having cuttings channels for flow optimization |
Family Cites Families (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2885186A (en) | 1956-11-21 | 1959-05-05 | Dresser Operations Inc | Drill bit |
| US3800891A (en) * | 1968-04-18 | 1974-04-02 | Hughes Tool Co | Hardfacing compositions and gage hardfacing on rolling cutter rock bits |
| US4558754A (en) * | 1980-03-24 | 1985-12-17 | Reed Rock Bit Company | Drill bit having angled nozzles |
| USRE32495E (en) | 1982-01-08 | 1987-09-08 | Smith International, Inc. | Chip relief for rock bits |
| US5289889A (en) | 1993-01-21 | 1994-03-01 | Marvin Gearhart | Roller cone core bit with spiral stabilizers |
| US5415243A (en) * | 1994-01-24 | 1995-05-16 | Smith International, Inc. | Rock bit borhole back reaming method |
| US5494123A (en) * | 1994-10-04 | 1996-02-27 | Smith International, Inc. | Drill bit with protruding insert stabilizers |
| US5755297A (en) * | 1994-12-07 | 1998-05-26 | Dresser Industries, Inc. | Rotary cone drill bit with integral stabilizers |
| US5586612A (en) | 1995-01-26 | 1996-12-24 | Baker Hughes Incorporated | Roller cone bit with positive and negative offset and smooth running configuration |
| US5791423A (en) | 1996-08-02 | 1998-08-11 | Baker Hughes Incorporated | Earth-boring bit having an improved hard-faced tooth structure |
-
1999
- 1999-04-29 US US09/301,750 patent/US6227314B1/en not_active Expired - Fee Related
-
2000
- 2000-04-26 GB GB0009991A patent/GB2349661B/en not_active Expired - Fee Related
- 2000-04-28 IT IT2000TO000404A patent/IT1320060B1/it active
Also Published As
| Publication number | Publication date |
|---|---|
| US6227314B1 (en) | 2001-05-08 |
| GB2349661A (en) | 2000-11-08 |
| GB2349661B (en) | 2003-03-26 |
| ITTO20000404A0 (it) | 2000-04-28 |
| GB0009991D0 (en) | 2000-06-14 |
| ITTO20000404A1 (it) | 2001-10-28 |
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