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NO20014799D0 - Drill bit - Google Patents

Drill bit

Info

Publication number
NO20014799D0
NO20014799D0 NO20014799A NO20014799A NO20014799D0 NO 20014799 D0 NO20014799 D0 NO 20014799D0 NO 20014799 A NO20014799 A NO 20014799A NO 20014799 A NO20014799 A NO 20014799A NO 20014799 D0 NO20014799 D0 NO 20014799D0
Authority
NO
Norway
Prior art keywords
drill bit
drill
bit
Prior art date
Application number
NO20014799A
Other languages
Norwegian (no)
Inventor
Wei He
Original Assignee
Lyng Diamond Tools As
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Lyng Diamond Tools As filed Critical Lyng Diamond Tools As
Priority to NO20014799A priority Critical patent/NO20014799D0/en
Publication of NO20014799D0 publication Critical patent/NO20014799D0/en
Priority to PCT/NO2002/000358 priority patent/WO2003029604A1/en

Links

NO20014799A 2001-10-03 2001-10-03 Drill bit NO20014799D0 (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
NO20014799A NO20014799D0 (en) 2001-10-03 2001-10-03 Drill bit
PCT/NO2002/000358 WO2003029604A1 (en) 2001-10-03 2002-10-03 Prevention of bit balling by metallic coasting

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
NO20014799A NO20014799D0 (en) 2001-10-03 2001-10-03 Drill bit

Publications (1)

Publication Number Publication Date
NO20014799D0 true NO20014799D0 (en) 2001-10-03

Family

ID=19912888

Family Applications (1)

Application Number Title Priority Date Filing Date
NO20014799A NO20014799D0 (en) 2001-10-03 2001-10-03 Drill bit

Country Status (2)

Country Link
NO (1) NO20014799D0 (en)
WO (1) WO2003029604A1 (en)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20050077090A1 (en) * 2003-08-13 2005-04-14 Ramamurthy Viswanadham Apparatus and method for selective laser-applied cladding
US8985244B2 (en) 2010-01-18 2015-03-24 Baker Hughes Incorporated Downhole tools having features for reducing balling and methods of forming such tools
US20140173995A1 (en) * 2012-12-21 2014-06-26 Exxonmobil Research And Engineering Company Methods of making a drilling tool with low friction coatings to reduce balling and friction
CN110469270A (en) * 2018-05-11 2019-11-19 成都百施特金刚石钻头有限公司 A kind of PDC drill bit with anti-mud drum function

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2372575A (en) * 1938-10-10 1945-03-27 John T Hayward Method of freeing pipe jammed in a well
US3818996A (en) * 1972-10-10 1974-06-25 Sun Oil Co Repulsing clays on drill bits
GB2038214A (en) * 1978-12-21 1980-07-23 Dianite Coatings Ltd Abrasive tool
US5308660A (en) * 1991-09-16 1994-05-03 Tri-City Services, Inc. Well drilling tool
US5330016A (en) * 1993-05-07 1994-07-19 Barold Technology, Inc. Drill bit and other downhole tools having electro-negative surfaces and sacrificial anodes to reduce mud balling

Also Published As

Publication number Publication date
WO2003029604A1 (en) 2003-04-10

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