NL6916762A - - Google Patents

Info

Publication number
NL6916762A
NL6916762A NL6916762A NL6916762A NL6916762A NL 6916762 A NL6916762 A NL 6916762A NL 6916762 A NL6916762 A NL 6916762A NL 6916762 A NL6916762 A NL 6916762A NL 6916762 A NL6916762 A NL 6916762A
Authority
NL
Netherlands
Application number
NL6916762A
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 filed Critical
Publication of NL6916762A publication Critical patent/NL6916762A/xx

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
    • E21B17/10—Wear protectors; Centralising devices, e.g. stabilisers
    • E21B17/1078—Stabilisers or centralisers for casing, tubing or drill pipes
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
    • B23K31/00—Processes relevant to this subclass, specially adapted for particular articles or purposes, but not covered by only one of the preceding main groups
    • B23K31/02—Processes relevant to this subclass, specially adapted for particular articles or purposes, but not covered by only one of the preceding main groups relating to soldering or welding
    • B23K31/025—Connecting cutting edges or the like to tools; Attaching reinforcements to workpieces, e.g. wear-resisting zones to tableware
    • 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
    • E21B17/10—Wear protectors; Centralising devices, e.g. stabilisers
    • E21B17/12—Devices for placing or drawing out wear protectors

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)
  • Earth Drilling (AREA)
  • Drilling Tools (AREA)
NL6916762A 1968-11-06 1969-11-06 NL6916762A (cs)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB52689/68A GB1293905A (en) 1968-11-06 1968-11-06 Oil drilling tools

Publications (1)

Publication Number Publication Date
NL6916762A true NL6916762A (cs) 1970-05-11

Family

ID=10464895

Family Applications (1)

Application Number Title Priority Date Filing Date
NL6916762A NL6916762A (cs) 1968-11-06 1969-11-06

Country Status (4)

Country Link
US (1) US3660889A (cs)
FR (1) FR2022711A1 (cs)
GB (1) GB1293905A (cs)
NL (1) NL6916762A (cs)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2098289A1 (cs) * 1970-07-10 1972-03-10 Lion Oil Tool Holdings

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4156374A (en) * 1978-03-20 1979-05-29 Shwayder Warren M Pre-formed wear pads for drill stabilizers
JPS58169492A (ja) * 1982-03-29 1983-10-05 株式会社廣瀬製作所 ミシンの外かまの製造方法
GB9611016D0 (en) * 1996-05-25 1996-07-31 Cutting & Wear Resistant Dev Improvements in or relating to stabilisers for borehole drilling apparatus
US10695861B2 (en) 2014-07-10 2020-06-30 Mazak Corporation Friction stir extrusion of nonweldable materials for downhole tools
EP3166745A1 (en) * 2014-07-10 2017-05-17 Megastir Technologies LLC Friction stir extrusion of nonweldable materials for downhole tools

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US848161A (en) * 1904-06-22 1907-03-26 John g matthews Process of manufacturing metal-working tools.
US2515191A (en) * 1946-08-29 1950-07-18 Babcock & Wilcox Co Method of joining metals
US2964420A (en) * 1955-06-14 1960-12-13 Union Carbide Corp Refractory coated body
US3258955A (en) * 1962-01-22 1966-07-05 American Standard Controls Div Method of manufacturing a pressure sensing element
US3248788A (en) * 1962-11-21 1966-05-03 Martin Marietta Corp Application of flame-sprayed linings on the inside diameter of tubes
US3505101A (en) * 1964-10-27 1970-04-07 Union Carbide Corp High temperature wear resistant coating and article having such coating
US3535767A (en) * 1965-08-19 1970-10-27 Aerojet General Co Method for joining metallic tubes by explosive bonding
US3453719A (en) * 1967-03-06 1969-07-08 Shell Oil Co Manufacturing diamond bits

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2098289A1 (cs) * 1970-07-10 1972-03-10 Lion Oil Tool Holdings

Also Published As

Publication number Publication date
GB1293905A (en) 1972-10-25
US3660889A (en) 1972-05-09
FR2022711A1 (cs) 1970-08-07

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