SE8304556D0 - DRILL ROD - Google Patents

DRILL ROD

Info

Publication number
SE8304556D0
SE8304556D0 SE8304556A SE8304556A SE8304556D0 SE 8304556 D0 SE8304556 D0 SE 8304556D0 SE 8304556 A SE8304556 A SE 8304556A SE 8304556 A SE8304556 A SE 8304556A SE 8304556 D0 SE8304556 D0 SE 8304556D0
Authority
SE
Sweden
Prior art keywords
drill
drill rod
rod
diametrically opposite
fins
Prior art date
Application number
SE8304556A
Other languages
Swedish (sv)
Other versions
SE8304556L (en
Inventor
L Larsson
Original Assignee
Santrade 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 Santrade Ltd filed Critical Santrade Ltd
Priority to SE8304556A priority Critical patent/SE8304556L/en
Publication of SE8304556D0 publication Critical patent/SE8304556D0/en
Publication of SE8304556L publication Critical patent/SE8304556L/en

Links

Classifications

    • E—FIXED CONSTRUCTIONS
    • E21—EARTH DRILLING; MINING
    • E21B—EARTH DRILLING, e.g. DEEP 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
    • E21B17/22—Rods or pipes with helical structure

Abstract

Rod has a polygonal cross-section and has two diametrically opposite helical fins at opposite corners of the polygon. Drill rod has a standardised shank. Between the shankd the main part of the drill there is an annular collar. Two diametrically opposite fins wind helically around the drill.
SE8304556A 1983-08-23 1983-08-23 DRILLING TANG SE8304556L (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
SE8304556A SE8304556L (en) 1983-08-23 1983-08-23 DRILLING TANG

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
SE8304556A SE8304556L (en) 1983-08-23 1983-08-23 DRILLING TANG

Publications (2)

Publication Number Publication Date
SE8304556D0 true SE8304556D0 (en) 1983-08-23
SE8304556L SE8304556L (en) 1985-02-24

Family

ID=20352273

Family Applications (1)

Application Number Title Priority Date Filing Date
SE8304556A SE8304556L (en) 1983-08-23 1983-08-23 DRILLING TANG

Country Status (1)

Country Link
SE (1) SE8304556L (en)

Also Published As

Publication number Publication date
SE8304556L (en) 1985-02-24

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