GB9801900D0 - Improvements in or relating to rotary drill bits - Google Patents
Improvements in or relating to rotary drill bitsInfo
- Publication number
- GB9801900D0 GB9801900D0 GBGB9801900.3A GB9801900A GB9801900D0 GB 9801900 D0 GB9801900 D0 GB 9801900D0 GB 9801900 A GB9801900 A GB 9801900A GB 9801900 D0 GB9801900 D0 GB 9801900D0
- Authority
- GB
- United Kingdom
- Prior art keywords
- relating
- drill bits
- rotary drill
- rotary
- bits
- 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
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22D—CASTING OF METALS; CASTING OF OTHER SUBSTANCES BY THE SAME PROCESSES OR DEVICES
- B22D19/00—Casting in, on, or around objects which form part of the product
- B22D19/16—Casting in, on, or around objects which form part of the product for making compound objects cast of two or more different metals, e.g. for making rolls for rolling mills
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22D—CASTING OF METALS; CASTING OF OTHER SUBSTANCES BY THE SAME PROCESSES OR DEVICES
- B22D19/00—Casting in, on, or around objects which form part of the product
- B22D19/06—Casting in, on, or around objects which form part of the product for manufacturing or repairing tools
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22D—CASTING OF METALS; CASTING OF OTHER SUBSTANCES BY THE SAME PROCESSES OR DEVICES
- B22D19/00—Casting in, on, or around objects which form part of the product
- B22D19/14—Casting in, on, or around objects which form part of the product the objects being filamentary or particulate in form
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22F—WORKING METALLIC POWDER; MANUFACTURE OF ARTICLES FROM METALLIC POWDER; MAKING METALLIC POWDER; APPARATUS OR DEVICES SPECIALLY ADAPTED FOR METALLIC POWDER
- B22F3/00—Manufacture of workpieces or articles from metallic powder characterised by the manner of compacting or sintering; Apparatus specially adapted therefor ; Presses and furnaces
- B22F3/12—Both compacting and sintering
- B22F3/1208—Containers or coating used therefor
- B22F3/1258—Container manufacturing
- B22F3/1275—Container manufacturing by coating a model and eliminating the model before consolidation
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22F—WORKING METALLIC POWDER; MANUFACTURE OF ARTICLES FROM METALLIC POWDER; MAKING METALLIC POWDER; APPARATUS OR DEVICES SPECIALLY ADAPTED FOR METALLIC POWDER
- B22F7/00—Manufacture of composite layers, workpieces, or articles, comprising metallic powder, by sintering the powder, with or without compacting wherein at least one part is obtained by sintering or compression
- B22F7/06—Manufacture of composite layers, workpieces, or articles, comprising metallic powder, by sintering the powder, with or without compacting wherein at least one part is obtained by sintering or compression of composite workpieces or articles from parts, e.g. to form tipped tools
-
- 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
- E21B10/46—Drill bits characterised by wear resisting parts, e.g. diamond inserts
-
- 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
- E21B10/46—Drill bits characterised by wear resisting parts, e.g. diamond inserts
- E21B10/54—Drill bits characterised by wear resisting parts, e.g. diamond inserts the bit being of the rotary drag type, e.g. fork-type bits
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22F—WORKING METALLIC POWDER; MANUFACTURE OF ARTICLES FROM METALLIC POWDER; MAKING METALLIC POWDER; APPARATUS OR DEVICES SPECIALLY ADAPTED FOR METALLIC POWDER
- B22F2998/00—Supplementary information concerning processes or compositions relating to powder metallurgy
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Life Sciences & Earth Sciences (AREA)
- Mining & Mineral Resources (AREA)
- Geology (AREA)
- Manufacturing & Machinery (AREA)
- Fluid Mechanics (AREA)
- Physics & Mathematics (AREA)
- Environmental & Geological Engineering (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Materials Engineering (AREA)
- Composite Materials (AREA)
- Chemical & Material Sciences (AREA)
- Earth Drilling (AREA)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB9801900A GB2318993B (en) | 1995-01-13 | 1996-01-08 | Improvements in or relating to rotary drill bits |
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GBGB9500659.9A GB9500659D0 (en) | 1995-01-13 | 1995-01-13 | Improvements in or relating to rotary drill bits |
GB9801900A GB2318993B (en) | 1995-01-13 | 1996-01-08 | Improvements in or relating to rotary drill bits |
GB9600312A GB2296880B (en) | 1995-01-13 | 1996-01-08 | Improvements in or relating to rotary drill bits |
Publications (3)
Publication Number | Publication Date |
---|---|
GB9801900D0 true GB9801900D0 (en) | 1998-03-25 |
GB2318993A GB2318993A (en) | 1998-05-13 |
GB2318993B GB2318993B (en) | 1998-10-14 |
Family
ID=26306320
Family Applications (2)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
GB9801905A Expired - Fee Related GB2318994B (en) | 1995-01-13 | 1996-01-08 | Improvements in or relating to rotary drill bits |
GB9801900A Expired - Fee Related GB2318993B (en) | 1995-01-13 | 1996-01-08 | Improvements in or relating to rotary drill bits |
Family Applications Before (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
GB9801905A Expired - Fee Related GB2318994B (en) | 1995-01-13 | 1996-01-08 | Improvements in or relating to rotary drill bits |
Country Status (1)
Country | Link |
---|---|
GB (2) | GB2318994B (en) |
Families Citing this family (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US6655234B2 (en) * | 2000-01-31 | 2003-12-02 | Baker Hughes Incorporated | Method of manufacturing PDC cutter with chambers or passages |
US7493965B1 (en) | 2006-04-12 | 2009-02-24 | Us Synthetic Corporation | Apparatuses and methods relating to cooling a subterranean drill bit and/or at least one cutting element during use |
US10029300B2 (en) | 2013-12-10 | 2018-07-24 | Halliburton Energy Services, Inc. | Vented blank for producing a matrix bit body |
Family Cites Families (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4667756A (en) * | 1986-05-23 | 1987-05-26 | Hughes Tool Company-Usa | Matrix bit with extended blades |
US4884477A (en) * | 1988-03-31 | 1989-12-05 | Eastman Christensen Company | Rotary drill bit with abrasion and erosion resistant facing |
EP0430989B1 (en) * | 1988-08-02 | 1994-11-30 | Astec Developments Limited | Investment casting process |
-
1996
- 1996-01-08 GB GB9801905A patent/GB2318994B/en not_active Expired - Fee Related
- 1996-01-08 GB GB9801900A patent/GB2318993B/en not_active Expired - Fee Related
Also Published As
Publication number | Publication date |
---|---|
GB2318994B (en) | 1998-10-14 |
GB2318993A (en) | 1998-05-13 |
GB2318993B (en) | 1998-10-14 |
GB2318994A (en) | 1998-05-13 |
GB9801905D0 (en) | 1998-03-25 |
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GB2296880B (en) | Improvements in or relating to rotary drill bits | |
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GB2294070B (en) | Improvements in or relating to rotary drill bits | |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
PCNP | Patent ceased through non-payment of renewal fee |
Effective date: 20070108 |