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AU8132691A - Drill pipe/casing protector - Google Patents

Drill pipe/casing protector

Info

Publication number
AU8132691A
AU8132691A AU81326/91A AU8132691A AU8132691A AU 8132691 A AU8132691 A AU 8132691A AU 81326/91 A AU81326/91 A AU 81326/91A AU 8132691 A AU8132691 A AU 8132691A AU 8132691 A AU8132691 A AU 8132691A
Authority
AU
Australia
Prior art keywords
drill pipe
casing protector
protector
casing
drill
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
Application number
AU81326/91A
Other versions
AU638199B2 (en
Inventor
R. Ernst Krueger
Rudolph E. Krueger
William E. Krueger
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.)
WWT International Inc
Original Assignee
Rudolph E Krueger 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 Rudolph E Krueger Inc filed Critical Rudolph E Krueger Inc
Priority to AU81326/91A priority Critical patent/AU638199B2/en
Publication of AU8132691A publication Critical patent/AU8132691A/en
Application granted granted Critical
Publication of AU638199B2 publication Critical patent/AU638199B2/en
Assigned to WESTERN WELL TOOL, INC. reassignment WESTERN WELL TOOL, INC. Alteration of Name(s) in Register under S187 Assignors: RUDOLPH E. KRUEGER, INC
Anticipated expiration legal-status Critical
Expired legal-status Critical Current

Links

AU81326/91A 1991-07-24 1991-07-24 Drill pipe/casing protector Expired AU638199B2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
AU81326/91A AU638199B2 (en) 1991-07-24 1991-07-24 Drill pipe/casing protector

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
AU81326/91A AU638199B2 (en) 1991-07-24 1991-07-24 Drill pipe/casing protector

Publications (2)

Publication Number Publication Date
AU8132691A true AU8132691A (en) 1993-02-25
AU638199B2 AU638199B2 (en) 1993-06-17

Family

ID=3760146

Family Applications (1)

Application Number Title Priority Date Filing Date
AU81326/91A Expired AU638199B2 (en) 1991-07-24 1991-07-24 Drill pipe/casing protector

Country Status (1)

Country Link
AU (1) AU638199B2 (en)

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3480094A (en) * 1968-03-21 1969-11-25 James B N Morris Drill collar for protecting drill string
US4266578A (en) * 1976-04-23 1981-05-12 Regal Tool & Rubber Co., Inc. Drill pipe protector
US4796670A (en) * 1987-10-15 1989-01-10 Exxon Production Research Company Drill pipe protector

Also Published As

Publication number Publication date
AU638199B2 (en) 1993-06-17

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