GB1541559A - Drilling - Google Patents

Drilling

Info

Publication number
GB1541559A
GB1541559A GB4694174A GB4694174A GB1541559A GB 1541559 A GB1541559 A GB 1541559A GB 4694174 A GB4694174 A GB 4694174A GB 4694174 A GB4694174 A GB 4694174A GB 1541559 A GB1541559 A GB 1541559A
Authority
GB
United Kingdom
Prior art keywords
drilling
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
GB4694174A
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.)
BP PLC
Original Assignee
BP PLC
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 BP PLC filed Critical BP PLC
Priority to GB4694174A priority Critical patent/GB1541559A/en
Publication of GB1541559A publication Critical patent/GB1541559A/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
    • E21B17/00—Drilling rods or pipes; Flexible drill strings; Kellies; Drill collars; Sucker rods; Cables; Casings; Tubings
    • E21B17/02—Couplings; joints
    • E21B17/04—Couplings; joints between rod or the like and bit or between rod and rod or the like
    • E21B17/07—Telescoping joints for varying drill string lengths; Shock absorbers

Landscapes

  • Engineering & Computer Science (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Geology (AREA)
  • Mining & Mineral Resources (AREA)
  • Mechanical Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Environmental & Geological Engineering (AREA)
  • Fluid Mechanics (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Geochemistry & Mineralogy (AREA)
GB4694174A 1974-10-30 1974-10-30 Drilling Expired GB1541559A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB4694174A GB1541559A (en) 1974-10-30 1974-10-30 Drilling

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB4694174A GB1541559A (en) 1974-10-30 1974-10-30 Drilling

Publications (1)

Publication Number Publication Date
GB1541559A true GB1541559A (en) 1979-03-07

Family

ID=10443149

Family Applications (1)

Application Number Title Priority Date Filing Date
GB4694174A Expired GB1541559A (en) 1974-10-30 1974-10-30 Drilling

Country Status (1)

Country Link
GB (1) GB1541559A (en)

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Legal Events

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