EP2785949A4 - Drill bit with seal having spheres in a matrix seal material - Google Patents
Drill bit with seal having spheres in a matrix seal materialInfo
- Publication number
- EP2785949A4 EP2785949A4 EP11876488.5A EP11876488A EP2785949A4 EP 2785949 A4 EP2785949 A4 EP 2785949A4 EP 11876488 A EP11876488 A EP 11876488A EP 2785949 A4 EP2785949 A4 EP 2785949A4
- Authority
- EP
- European Patent Office
- Prior art keywords
- seal
- spheres
- drill bit
- matrix
- seal material
- 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.)
- Withdrawn
Links
- 239000000463 material Substances 0.000 title 1
- 239000011159 matrix material Substances 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
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16J—PISTONS; CYLINDERS; SEALINGS
- F16J15/00—Sealings
- F16J15/16—Sealings between relatively-moving surfaces
- F16J15/32—Sealings between relatively-moving surfaces with elastic sealings, e.g. O-rings
- F16J15/3284—Sealings between relatively-moving surfaces with elastic sealings, e.g. O-rings characterised by their structure; Selection of materials
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Life Sciences & Earth Sciences (AREA)
- Geology (AREA)
- Mining & Mineral Resources (AREA)
- General Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Environmental & Geological Engineering (AREA)
- Fluid Mechanics (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Processing Of Stones Or Stones Resemblance Materials (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
PCT/US2011/062654 WO2013081606A1 (en) | 2011-11-30 | 2011-11-30 | Drill bit with seal having spheres in a matrix seal material |
Publications (2)
Publication Number | Publication Date |
---|---|
EP2785949A1 EP2785949A1 (en) | 2014-10-08 |
EP2785949A4 true EP2785949A4 (en) | 2015-11-04 |
Family
ID=48535901
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP11876488.5A Withdrawn EP2785949A4 (en) | 2011-11-30 | 2011-11-30 | Drill bit with seal having spheres in a matrix seal material |
Country Status (4)
Country | Link |
---|---|
EP (1) | EP2785949A4 (en) |
AU (1) | AU2011382519A1 (en) |
CA (1) | CA2856537A1 (en) |
WO (1) | WO2013081606A1 (en) |
Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5702111A (en) * | 1995-01-05 | 1997-12-30 | Smith; Henry Roy | Sealing apparatus |
US20080121436A1 (en) * | 2003-11-20 | 2008-05-29 | Halliburton Energy Services, Inc. | Downhole seal element formed from a nanocomposite material |
US20090038858A1 (en) * | 2007-08-06 | 2009-02-12 | Smith International, Inc. | Use of nanosized particulates and fibers in elastomer seals for improved performance metrics for roller cone bits |
US20100018778A1 (en) * | 2008-07-23 | 2010-01-28 | Smith International, Inc. | Seal comprising elastomeric composition with nanoparticles |
CN201714301U (en) * | 2010-07-09 | 2011-01-19 | 天津立林钻头有限公司 | Compound seal roller bit |
Family Cites Families (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4580794A (en) * | 1984-11-16 | 1986-04-08 | Jamak, Inc. | Silicon rubber gasket and material |
GB9513252D0 (en) * | 1995-06-29 | 1995-09-06 | Rolls Royce Plc | An abradable composition |
DE19955764A1 (en) * | 1999-11-19 | 2001-05-31 | Hilti Ag | Gap sealing method and device |
-
2011
- 2011-11-30 CA CA2856537A patent/CA2856537A1/en not_active Abandoned
- 2011-11-30 AU AU2011382519A patent/AU2011382519A1/en not_active Abandoned
- 2011-11-30 EP EP11876488.5A patent/EP2785949A4/en not_active Withdrawn
- 2011-11-30 WO PCT/US2011/062654 patent/WO2013081606A1/en active Application Filing
Patent Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5702111A (en) * | 1995-01-05 | 1997-12-30 | Smith; Henry Roy | Sealing apparatus |
US20080121436A1 (en) * | 2003-11-20 | 2008-05-29 | Halliburton Energy Services, Inc. | Downhole seal element formed from a nanocomposite material |
US20090038858A1 (en) * | 2007-08-06 | 2009-02-12 | Smith International, Inc. | Use of nanosized particulates and fibers in elastomer seals for improved performance metrics for roller cone bits |
US20100018778A1 (en) * | 2008-07-23 | 2010-01-28 | Smith International, Inc. | Seal comprising elastomeric composition with nanoparticles |
CN201714301U (en) * | 2010-07-09 | 2011-01-19 | 天津立林钻头有限公司 | Compound seal roller bit |
Non-Patent Citations (1)
Title |
---|
See also references of WO2013081606A1 * |
Also Published As
Publication number | Publication date |
---|---|
EP2785949A1 (en) | 2014-10-08 |
AU2011382519A1 (en) | 2014-07-17 |
WO2013081606A1 (en) | 2013-06-06 |
CA2856537A1 (en) | 2013-06-06 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
PUAI | Public reference made under article 153(3) epc to a published international application that has entered the european phase |
Free format text: ORIGINAL CODE: 0009012 |
|
17P | Request for examination filed |
Effective date: 20140408 |
|
AK | Designated contracting states |
Kind code of ref document: A1 Designated state(s): AL AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MK MT NL NO PL PT RO RS SE SI SK SM TR |
|
DAX | Request for extension of the european patent (deleted) | ||
RA4 | Supplementary search report drawn up and despatched (corrected) |
Effective date: 20151006 |
|
RIC1 | Information provided on ipc code assigned before grant |
Ipc: E21B 12/00 20060101ALI20150930BHEP Ipc: E21B 10/573 20060101AFI20150930BHEP |
|
STAA | Information on the status of an ep patent application or granted ep patent |
Free format text: STATUS: THE APPLICATION IS DEEMED TO BE WITHDRAWN |
|
18D | Application deemed to be withdrawn |
Effective date: 20160503 |