MXPA00001019A - Claw tooth rotary bit. - Google Patents

Claw tooth rotary bit.

Info

Publication number
MXPA00001019A
MXPA00001019A MXPA00001019A MXPA00001019A MXPA00001019A MX PA00001019 A MXPA00001019 A MX PA00001019A MX PA00001019 A MXPA00001019 A MX PA00001019A MX PA00001019 A MXPA00001019 A MX PA00001019A MX PA00001019 A MXPA00001019 A MX PA00001019A
Authority
MX
Mexico
Prior art keywords
teeth
tooth
hard
bit
adjacent
Prior art date
Application number
MXPA00001019A
Other languages
Spanish (es)
Inventor
C Spatz Edward
Original Assignee
Halliburton Energy Serv Inc
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 Halliburton Energy Serv Inc filed Critical Halliburton Energy Serv Inc
Priority claimed from PCT/US1998/011789 external-priority patent/WO1999006667A2/en
Publication of MXPA00001019A publication Critical patent/MXPA00001019A/en

Links

Landscapes

  • Earth Drilling (AREA)

Abstract

A claw tooth rotary bit having teeth that are constructed from a hard material that is combined with a softer material so that the teeth wear unevenly as the bit is used to bore through an earth formation. Adjacent teeth may be provided with complementary patterns of hard and soft material shapes. Two adjacent teeth form a set that wear in complementary pattern such that the high points of one tooth register with the low points of the adjacent tooth. As the bit rotates, the formation is randomly engaged by the high and low areas on the teeth to increase cutting effectiveness. The alternating layers of hard and soft material provide a self-sharpening configuration as the teeth wear unevenly. The presence of the hard material in the tooth structure improves tooth rigidity. In a preferred form, the hard material is a polycrystalline diamond while the softer material is steel.
MXPA00001019A 1997-07-29 1998-06-05 Claw tooth rotary bit. MXPA00001019A (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US9020997A 1997-07-29 1997-07-29
PCT/US1998/011789 WO1999006667A2 (en) 1997-07-29 1998-06-05 Claw tooth rotary bit

Publications (1)

Publication Number Publication Date
MXPA00001019A true MXPA00001019A (en) 2004-09-10

Family

ID=35744569

Family Applications (1)

Application Number Title Priority Date Filing Date
MXPA00001019A MXPA00001019A (en) 1997-07-29 1998-06-05 Claw tooth rotary bit.

Country Status (1)

Country Link
MX (1) MXPA00001019A (en)

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Legal Events

Date Code Title Description
GB Transfer or rights
HC Change of company name or juridical status
FG Grant or registration