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EP3690181A1 - Führungsadapter mit verschleisseinsätzen - Google Patents

Führungsadapter mit verschleisseinsätzen Download PDF

Info

Publication number
EP3690181A1
EP3690181A1 EP19154472.5A EP19154472A EP3690181A1 EP 3690181 A1 EP3690181 A1 EP 3690181A1 EP 19154472 A EP19154472 A EP 19154472A EP 3690181 A1 EP3690181 A1 EP 3690181A1
Authority
EP
European Patent Office
Prior art keywords
shaft
guide adapter
attachment
wear
wear inserts
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.)
Withdrawn
Application number
EP19154472.5A
Other languages
English (en)
French (fr)
Inventor
Hamidreza Gholiof
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.)
Sandvik Mining and Construction Tools AB
Original Assignee
Sandvik Mining and Construction Tools AB
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 Sandvik Mining and Construction Tools AB filed Critical Sandvik Mining and Construction Tools AB
Priority to EP19154472.5A priority Critical patent/EP3690181A1/de
Priority to PCT/EP2020/052220 priority patent/WO2020157163A1/en
Publication of EP3690181A1 publication Critical patent/EP3690181A1/de
Withdrawn legal-status Critical Current

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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
    • 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
    • E21B10/00—Drill bits
    • E21B10/36—Percussion drill bits
    • E21B10/38—Percussion drill bits characterised by conduits or nozzles for drilling fluids
    • 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
    • E21B17/076—Telescoping joints for varying drill string lengths; Shock absorbers between rod or pipe and drill bit

Definitions

  • Each attachment protrusion 8 comprises a top surface 12 in which the attachment recesses 9 are formed, and a slanted front surface 13 extending in front of each attachment protrusion 8 from the top surface 12 to surrounding surfaces of the shaft 2.
  • the front surface 13 provides a smooth transition in front of each attachment protrusion 8, between the top surface and surrounding surfaces of the shaft 2.

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)
EP19154472.5A 2019-01-30 2019-01-30 Führungsadapter mit verschleisseinsätzen Withdrawn EP3690181A1 (de)

Priority Applications (2)

Application Number Priority Date Filing Date Title
EP19154472.5A EP3690181A1 (de) 2019-01-30 2019-01-30 Führungsadapter mit verschleisseinsätzen
PCT/EP2020/052220 WO2020157163A1 (en) 2019-01-30 2020-01-30 Guide adapter with wear inserts

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP19154472.5A EP3690181A1 (de) 2019-01-30 2019-01-30 Führungsadapter mit verschleisseinsätzen

Publications (1)

Publication Number Publication Date
EP3690181A1 true EP3690181A1 (de) 2020-08-05

Family

ID=65268795

Family Applications (1)

Application Number Title Priority Date Filing Date
EP19154472.5A Withdrawn EP3690181A1 (de) 2019-01-30 2019-01-30 Führungsadapter mit verschleisseinsätzen

Country Status (2)

Country Link
EP (1) EP3690181A1 (de)
WO (1) WO2020157163A1 (de)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP3751092B1 (de) * 2019-06-14 2022-08-10 Sandvik Mining and Construction Tools AB Führungsadapter

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2212091A (en) * 1987-11-12 1989-07-19 Boart Hardmetals Drilling equipment
US5435401A (en) * 1992-01-22 1995-07-25 Sandvik Ab Down-the-hole rock drill
US20090223717A1 (en) * 2008-03-04 2009-09-10 Pathfinder Energy Services, Inc. Forced balanced system
WO2010044767A1 (en) * 2008-10-17 2010-04-22 Strata Directional Technology, Llc Vertical drilling system for controlling deviation
WO2016108842A1 (en) * 2014-12-30 2016-07-07 Halliburton Energy Services, Inc. Downhole tool surfaces configured to reduce drag forces and erosion during exposure to fluid flow

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2212091A (en) * 1987-11-12 1989-07-19 Boart Hardmetals Drilling equipment
US5435401A (en) * 1992-01-22 1995-07-25 Sandvik Ab Down-the-hole rock drill
US20090223717A1 (en) * 2008-03-04 2009-09-10 Pathfinder Energy Services, Inc. Forced balanced system
WO2010044767A1 (en) * 2008-10-17 2010-04-22 Strata Directional Technology, Llc Vertical drilling system for controlling deviation
WO2016108842A1 (en) * 2014-12-30 2016-07-07 Halliburton Energy Services, Inc. Downhole tool surfaces configured to reduce drag forces and erosion during exposure to fluid flow

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP3751092B1 (de) * 2019-06-14 2022-08-10 Sandvik Mining and Construction Tools AB Führungsadapter

Also Published As

Publication number Publication date
WO2020157163A1 (en) 2020-08-06

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