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NZ235689A - Drill tube made from centrifugally cast pipe segments - Google Patents

Drill tube made from centrifugally cast pipe segments

Info

Publication number
NZ235689A
NZ235689A NZ235689A NZ23568990A NZ235689A NZ 235689 A NZ235689 A NZ 235689A NZ 235689 A NZ235689 A NZ 235689A NZ 23568990 A NZ23568990 A NZ 23568990A NZ 235689 A NZ235689 A NZ 235689A
Authority
NZ
New Zealand
Prior art keywords
tube made
pipe segments
drill tube
centrifugally cast
cast pipe
Prior art date
Application number
NZ235689A
Inventor
Graham Bruce Chapman
Original Assignee
Ind Alloy Pte 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 Ind Alloy Pte Ltd filed Critical Ind Alloy Pte Ltd
Publication of NZ235689A publication Critical patent/NZ235689A/en

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
    • E21B17/00—Drilling rods or pipes; Flexible drill strings; Kellies; Drill collars; Sucker rods; Cables; Casings; Tubings

Landscapes

  • Engineering & Computer Science (AREA)
  • Geology (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Mining & Mineral Resources (AREA)
  • Physics & Mathematics (AREA)
  • Environmental & Geological Engineering (AREA)
  • Fluid Mechanics (AREA)
  • Mechanical Engineering (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Geochemistry & Mineralogy (AREA)
  • Drilling Tools (AREA)
  • Earth Drilling (AREA)
  • Piles And Underground Anchors (AREA)
NZ235689A 1990-02-19 1990-10-15 Drill tube made from centrifugally cast pipe segments NZ235689A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
AUPJ868990 1990-02-19

Publications (1)

Publication Number Publication Date
NZ235689A true NZ235689A (en) 1993-10-26

Family

ID=3774504

Family Applications (1)

Application Number Title Priority Date Filing Date
NZ235689A NZ235689A (en) 1990-02-19 1990-10-15 Drill tube made from centrifugally cast pipe segments

Country Status (5)

Country Link
CA (1) CA2027969A1 (en)
DE (1) DE4037553A1 (en)
FR (1) FR2658439A1 (en)
GB (1) GB2240939B (en)
NZ (1) NZ235689A (en)

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB519932A (en) * 1938-08-22 1940-04-10 Joseph Marcel Merle Improvements relating to a method of making products derived from molten metal
GB1364235A (en) * 1970-06-16 1974-08-21 Apv Paramount Ltd Process for making tool steels or alloys as part of the manufactu re of a cutting tool
US3773359A (en) * 1971-06-24 1973-11-20 Smith International Intermediate drill stem
US4043023A (en) * 1975-05-13 1977-08-23 Lombard Daniel L Method for making seamless pipe
US4458404A (en) * 1977-07-25 1984-07-10 Smith International, Inc. Method of making sleeved drill pipe
US4146060A (en) * 1977-07-25 1979-03-27 Smith International, Inc. Drill pipe wear belt assembly

Also Published As

Publication number Publication date
CA2027969A1 (en) 1991-08-20
GB2240939B (en) 1993-06-30
DE4037553A1 (en) 1991-08-22
FR2658439A1 (en) 1991-08-23
GB2240939A (en) 1991-08-21
GB9023561D0 (en) 1990-12-12

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