EP3690181A1 - Adaptateur de guidage comportant des inserts d'usure - Google Patents

Adaptateur de guidage comportant des inserts d'usure 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Withdrawn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
German (de)
English (en)
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/fr
Priority to PCT/EP2020/052220 priority patent/WO2020157163A1/fr
Publication of EP3690181A1 publication Critical patent/EP3690181A1/fr
Withdrawn legal-status Critical Current

Links

Images

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 Adaptateur de guidage comportant des inserts d'usure Withdrawn EP3690181A1 (fr)

Priority Applications (2)

Application Number Priority Date Filing Date Title
EP19154472.5A EP3690181A1 (fr) 2019-01-30 2019-01-30 Adaptateur de guidage comportant des inserts d'usure
PCT/EP2020/052220 WO2020157163A1 (fr) 2019-01-30 2020-01-30 Adaptateur de guidage avec inserts d'usure

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP19154472.5A EP3690181A1 (fr) 2019-01-30 2019-01-30 Adaptateur de guidage comportant des inserts d'usure

Publications (1)

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

Family

ID=65268795

Family Applications (1)

Application Number Title Priority Date Filing Date
EP19154472.5A Withdrawn EP3690181A1 (fr) 2019-01-30 2019-01-30 Adaptateur de guidage comportant des inserts d'usure

Country Status (2)

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

Cited By (1)

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

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 (fr) * 2008-10-17 2010-04-22 Strata Directional Technology, Llc Système de forage vertical pour contrôler les déviations
WO2016108842A1 (fr) * 2014-12-30 2016-07-07 Halliburton Energy Services, Inc. Surfaces d'outil de fond de trou configurées de manière à réduire les forces de traînée et l'érosion pendant l'exposition à l'écoulement de fluide

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 (fr) * 2008-10-17 2010-04-22 Strata Directional Technology, Llc Système de forage vertical pour contrôler les déviations
WO2016108842A1 (fr) * 2014-12-30 2016-07-07 Halliburton Energy Services, Inc. Surfaces d'outil de fond de trou configurées de manière à réduire les forces de traînée et l'érosion pendant l'exposition à l'écoulement de fluide

Cited By (1)

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

Also Published As

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

Similar Documents

Publication Publication Date Title
EP2799659A1 (fr) Taillant de fleuret à percussion
EP2902583B1 (fr) Trépan de forage de roche à percussion avec rainures à affleurement
US7886851B2 (en) Drill bit nozzle
CN103906885B (zh) 具有凹陷球齿的钻头及与该钻头一起使用的岩钻工具
US12054991B2 (en) Carved out drill bit
CN107075913B (zh) 带有凹陷的切削面的钻头
EP3617439B1 (fr) Trépan à rainures de boues incurvées
US6435288B1 (en) Rock drill bit
EP3690181A1 (fr) Adaptateur de guidage comportant des inserts d'usure
EP3690180A1 (fr) Trépan à percussion avec inserts d'usure
CN121866389A (zh) 钻头
OA21130A (en) Carved out drill bit.
OA20282A (en) Drill Bit With Curved Sludge Grooves
CA2274026A1 (fr) Trepan

Legal Events

Date Code Title Description
PUAI Public reference made under article 153(3) epc to a published international application that has entered the european phase

Free format text: ORIGINAL CODE: 0009012

STAA Information on the status of an ep patent application or granted ep patent

Free format text: STATUS: THE APPLICATION HAS BEEN PUBLISHED

AK Designated contracting states

Kind code of ref document: A1

Designated state(s): AL AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MK MT NL NO PL PT RO RS SE SI SK SM TR

AX Request for extension of the european patent

Extension state: BA ME

STAA Information on the status of an ep patent application or granted ep patent

Free format text: STATUS: THE APPLICATION HAS BEEN WITHDRAWN

18W Application withdrawn

Effective date: 20201218