IT946304B - Metodo e dispositivo per la prote zione e guida di punte di trivella - Google Patents

Metodo e dispositivo per la prote zione e guida di punte di trivella

Info

Publication number
IT946304B
IT946304B IT1904472A IT1904472A IT946304B IT 946304 B IT946304 B IT 946304B IT 1904472 A IT1904472 A IT 1904472A IT 1904472 A IT1904472 A IT 1904472A IT 946304 B IT946304 B IT 946304B
Authority
IT
Italy
Prior art keywords
guidance
protection
drill bits
drill
bits
Prior art date
Application number
IT1904472A
Other languages
English (en)
Italian (it)
Original Assignee
Lorenz H
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 Lorenz H, Noble Drilling Corp filed Critical Lorenz H
Application granted granted Critical
Publication of IT946304B publication Critical patent/IT946304B/it

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)
IT1904472A 1971-01-19 1972-01-05 Metodo e dispositivo per la prote zione e guida di punte di trivella IT946304B (it)

Applications Claiming Priority (1)

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

Publications (1)

Publication Number Publication Date
IT946304B true IT946304B (it) 1973-05-21

Family

ID=22318464

Family Applications (1)

Application Number Title Priority Date Filing Date
IT1904472A IT946304B (it) 1971-01-19 1972-01-05 Metodo e dispositivo per la prote zione e guida di punte di trivella

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
AU467256B2 (en) 1975-11-27
NL7200435A (OSRAM) 1972-07-21
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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