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GB2240939B - Drill tube - Google Patents

Drill tube

Info

Publication number
GB2240939B
GB2240939B GB9023561A GB9023561A GB2240939B GB 2240939 B GB2240939 B GB 2240939B GB 9023561 A GB9023561 A GB 9023561A GB 9023561 A GB9023561 A GB 9023561A GB 2240939 B GB2240939 B GB 2240939B
Authority
GB
United Kingdom
Prior art keywords
drill tube
drill
tube
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 - Fee Related
Application number
GB9023561A
Other versions
GB9023561D0 (en
GB2240939A (en
Inventor
Bruce Graham Chapman
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.)
IND ALLOY Co Pte Ltd
Original Assignee
IND ALLOY Co 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 Co Pte Ltd filed Critical IND ALLOY Co Pte Ltd
Publication of GB9023561D0 publication Critical patent/GB9023561D0/en
Publication of GB2240939A publication Critical patent/GB2240939A/en
Application granted granted Critical
Publication of GB2240939B publication Critical patent/GB2240939B/en
Anticipated expiration legal-status Critical
Expired - Fee Related 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
    • 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)
GB9023561A 1990-02-19 1990-10-30 Drill tube Expired - Fee Related GB2240939B (en)

Applications Claiming Priority (1)

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

Publications (3)

Publication Number Publication Date
GB9023561D0 GB9023561D0 (en) 1990-12-12
GB2240939A GB2240939A (en) 1991-08-21
GB2240939B true GB2240939B (en) 1993-06-30

Family

ID=3774504

Family Applications (1)

Application Number Title Priority Date Filing Date
GB9023561A Expired - Fee Related GB2240939B (en) 1990-02-19 1990-10-30 Drill tube

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)

Citations (4)

* 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
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

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3773359A (en) * 1971-06-24 1973-11-20 Smith International Intermediate drill stem
US4146060A (en) * 1977-07-25 1979-03-27 Smith International, Inc. Drill pipe wear belt assembly

Patent Citations (4)

* 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
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

Also Published As

Publication number Publication date
DE4037553A1 (en) 1991-08-22
GB9023561D0 (en) 1990-12-12
FR2658439A1 (en) 1991-08-23
NZ235689A (en) 1993-10-26
GB2240939A (en) 1991-08-21
CA2027969A1 (en) 1991-08-20

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Legal Events

Date Code Title Description
PCNP Patent ceased through non-payment of renewal fee

Effective date: 19941030