[go: up one dir, main page]
More Web Proxy on the site http://driver.im/

GB8405181D0 - Rotary drill bits and cutting elements - Google Patents

Rotary drill bits and cutting elements

Info

Publication number
GB8405181D0
GB8405181D0 GB848405181A GB8405181A GB8405181D0 GB 8405181 D0 GB8405181 D0 GB 8405181D0 GB 848405181 A GB848405181 A GB 848405181A GB 8405181 A GB8405181 A GB 8405181A GB 8405181 D0 GB8405181 D0 GB 8405181D0
Authority
GB
United Kingdom
Prior art keywords
cutting elements
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.)
Pending
Application number
GB848405181A
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
NL Petroleum Products Ltd
Original Assignee
NL Petroleum Products Ltd
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 NL Petroleum Products Ltd filed Critical NL Petroleum Products Ltd
Priority to GB848405181A priority Critical patent/GB8405181D0/en
Publication of GB8405181D0 publication Critical patent/GB8405181D0/en
Priority to AU36010/84A priority patent/AU578637B2/en
Priority to DE8484308333T priority patent/DE3478626D1/en
Priority to NO844773A priority patent/NO844773L/en
Priority to GB08430288A priority patent/GB2152104B/en
Priority to IE3078/84A priority patent/IE56039B1/en
Priority to BR8406135A priority patent/BR8406135A/en
Priority to US06/676,696 priority patent/US4679639A/en
Priority to EP84308333A priority patent/EP0145423B1/en
Priority to CA000469192A priority patent/CA1237121A/en
Pending legal-status Critical Current

Links

GB848405181A 1983-12-03 1984-02-28 Rotary drill bits and cutting elements Pending GB8405181D0 (en)

Priority Applications (10)

Application Number Priority Date Filing Date Title
GB848405181A GB8405181D0 (en) 1984-02-28 1984-02-28 Rotary drill bits and cutting elements
AU36010/84A AU578637B2 (en) 1983-12-03 1984-11-29 Rotary drill bits and cutting elements for such bits
EP84308333A EP0145423B1 (en) 1983-12-03 1984-11-30 Rotary drill bits and cutting elements for such bits
GB08430288A GB2152104B (en) 1983-12-03 1984-11-30 Rotary drill bits and cutting elements for such bits
NO844773A NO844773L (en) 1983-12-03 1984-11-30 CUTTING ELEMENT FOR DRILL CROWN AND PROCEDURE FOR PREPARING THE SAME
DE8484308333T DE3478626D1 (en) 1983-12-03 1984-11-30 Rotary drill bits and cutting elements for such bits
IE3078/84A IE56039B1 (en) 1983-12-03 1984-11-30 Rotary drill bits and cutting elements for such bits
BR8406135A BR8406135A (en) 1983-12-03 1984-11-30 CUTTING ELEMENT AND STRUCTURE FOR ROTATING DRILL BIT ROTATING DRILL BITING AND PROCESS FOR FORMING CUTTING ELEMENT
US06/676,696 US4679639A (en) 1983-12-03 1984-11-30 Rotary drill bits and cutting elements for such bits
CA000469192A CA1237121A (en) 1983-12-03 1984-12-03 Rotary drill bits and cutting elements for such bits

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB848405181A GB8405181D0 (en) 1984-02-28 1984-02-28 Rotary drill bits and cutting elements

Publications (1)

Publication Number Publication Date
GB8405181D0 true GB8405181D0 (en) 1984-04-04

Family

ID=10557290

Family Applications (1)

Application Number Title Priority Date Filing Date
GB848405181A Pending GB8405181D0 (en) 1983-12-03 1984-02-28 Rotary drill bits and cutting elements

Country Status (1)

Country Link
GB (1) GB8405181D0 (en)

Similar Documents

Publication Publication Date Title
GB2152104B (en) Rotary drill bits and cutting elements for such bits
GB8722376D0 (en) Rotary drill bits
ZA861407B (en) Cutting elements for rotary drill bits
GB8501702D0 (en) Rotary drill bits
GB8508621D0 (en) Rotary drill bits
DE3463808D1 (en) Drill bit and improved cutting element
GB8528894D0 (en) Rotary drill bits
GB8524146D0 (en) Rotary drill bits
GB8405267D0 (en) Rotary drill bit
GB8431633D0 (en) Cutting structures for rotary drill bits
GB2154485B (en) Improvements in rotary drill bits
EP0255499A3 (en) Cutting element for a rotary drill bit and methods for making same
ZA853605B (en) Rotary drill bit
GB8432587D0 (en) Cutting elements for rotary drill bits
GB8510494D0 (en) Rotary drill bits
GB8418482D0 (en) Rotary drill bits
GB2152557B (en) Rotary drill bit
GB2155083B (en) Improved drill bit and cutter therefor
DE3567054D1 (en) Rotary drill bit
GB8627050D0 (en) Rotary drill bits
GB8505244D0 (en) Rotary drill bits
GB8516776D0 (en) Rotary drill bits
GB8425520D0 (en) Rotary cutter drill
GB8508622D0 (en) Rotary drill bits
GB8623427D0 (en) Rotary drill bits