AU467256B2 - Protective jacket for drilling bit - Google Patents

Protective jacket for drilling bit

Info

Publication number
AU467256B2
AU467256B2 AU37741/72A AU3774172A AU467256B2 AU 467256 B2 AU467256 B2 AU 467256B2 AU 37741/72 A AU37741/72 A AU 37741/72A AU 3774172 A AU3774172 A AU 3774172A AU 467256 B2 AU467256 B2 AU 467256B2
Authority
AU
Australia
Prior art keywords
protective jacket
drilling bit
drilling
bit
jacket
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.)
Expired
Application number
AU37741/72A
Other languages
English (en)
Other versions
AU3774172A (en
Inventor
I LORENZ and EUGENE P. ROSSER HOWARD
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.)
Noble Drilling Corp
Original Assignee
Noble Drilling Corp
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 Noble Drilling Corp filed Critical Noble Drilling Corp
Publication of AU3774172A publication Critical patent/AU3774172A/en
Application granted granted Critical
Publication of AU467256B2 publication Critical patent/AU467256B2/en
Expired legal-status Critical Current

Links

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
    • E21B12/00—Accessories for drilling tools
    • E21B12/04—Drill bit protectors
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C70/00—Shaping composites, i.e. plastics material comprising reinforcements, fillers or preformed parts, e.g. inserts
    • B29C70/58—Shaping composites, i.e. plastics material comprising reinforcements, fillers or preformed parts, e.g. inserts comprising fillers only, e.g. particles, powder, beads, flakes, spheres

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Geology (AREA)
  • Mining & Mineral Resources (AREA)
  • Physics & Mathematics (AREA)
  • Environmental & Geological Engineering (AREA)
  • Fluid Mechanics (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Geochemistry & Mineralogy (AREA)
  • Chemical & Material Sciences (AREA)
  • Composite Materials (AREA)
AU37741/72A 1971-01-19 1972-01-10 Protective jacket for drilling bit Expired AU467256B2 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US10778671A 1971-01-19 1971-01-19
USUS107786 1971-01-19

Publications (2)

Publication Number Publication Date
AU3774172A AU3774172A (en) 1973-07-12
AU467256B2 true AU467256B2 (en) 1975-11-27

Family

ID=22318464

Family Applications (1)

Application Number Title Priority Date Filing Date
AU37741/72A Expired AU467256B2 (en) 1971-01-19 1972-01-10 Protective jacket for drilling bit

Country Status (7)

Country Link
AU (1) AU467256B2 (OSRAM)
BE (1) BE777722A (OSRAM)
CA (1) CA955582A (OSRAM)
FR (1) FR2123331B1 (OSRAM)
GB (1) GB1384271A (OSRAM)
IT (1) IT946304B (OSRAM)
NL (1) NL7200435A (OSRAM)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113605844B (zh) * 2021-08-03 2024-11-19 朱平平 一种可根据偏摆程度自动切断动力的石油钻机网电装置

Also Published As

Publication number Publication date
CA955582A (en) 1974-10-01
NL7200435A (OSRAM) 1972-07-21
IT946304B (it) 1973-05-21
GB1384271A (en) 1975-02-19
AU3774172A (en) 1973-07-12
FR2123331A1 (OSRAM) 1972-09-08
BE777722A (fr) 1972-05-02
FR2123331B1 (OSRAM) 1976-07-23

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