EP2627851A4 - Drill assembly - Google Patents

Drill assembly Download PDF

Info

Publication number
EP2627851A4
EP2627851A4 EP11832179.3A EP11832179A EP2627851A4 EP 2627851 A4 EP2627851 A4 EP 2627851A4 EP 11832179 A EP11832179 A EP 11832179A EP 2627851 A4 EP2627851 A4 EP 2627851A4
Authority
EP
European Patent Office
Prior art keywords
drill assembly
drill
assembly
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Withdrawn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
EP11832179.3A
Other languages
German (de)
French (fr)
Other versions
EP2627851A1 (en
Inventor
Mikko Mattila
Pasi Korte
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.)
Robit PLC
Original Assignee
Robit Rocktools Ltd Oy
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 Robit Rocktools Ltd Oy filed Critical Robit Rocktools Ltd Oy
Publication of EP2627851A1 publication Critical patent/EP2627851A1/en
Publication of EP2627851A4 publication Critical patent/EP2627851A4/en
Withdrawn legal-status Critical Current

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
    • E21B10/00—Drill bits
    • E21B10/26—Drill bits with leading portion, i.e. drill bits with a pilot cutter; Drill bits for enlarging the borehole, e.g. reamers
    • E21B10/265—Bi-center drill bits, i.e. an integral bit and eccentric reamer used to simultaneously drill and underream the hole
    • 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
    • E21B10/00—Drill bits
    • E21B10/36—Percussion drill bits
    • E21B10/40—Percussion drill bits with leading portion
    • 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
    • E21B10/00—Drill bits
    • E21B10/64—Drill bits characterised by the whole or part thereof being insertable into or removable from the borehole without withdrawing the drilling pipe
    • 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
    • E21B17/02—Couplings; joints
    • E21B17/04—Couplings; joints between rod or the like and bit or between rod and rod or the like
    • E21B17/046—Couplings; joints between rod or the like and bit or between rod and rod or the like with ribs, pins, or jaws, and complementary grooves or the like, e.g. bayonet catches
    • E21B17/0465—Couplings; joints between rod or the like and bit or between rod and rod or the like with ribs, pins, or jaws, and complementary grooves or the like, e.g. bayonet catches characterised by radially inserted locking elements
    • 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
    • E21B17/14—Casing shoes for the protection of the bottom of the casing
    • 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
    • E21B6/00—Drives for drilling with combined rotary and percussive action
    • 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
    • E21B7/00—Special methods or apparatus for drilling
    • E21B7/20—Driving or forcing casings or pipes into boreholes, e.g. sinking; Simultaneously drilling and casing boreholes

Landscapes

  • Engineering & Computer Science (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Geology (AREA)
  • Mining & Mineral Resources (AREA)
  • Physics & Mathematics (AREA)
  • Environmental & Geological Engineering (AREA)
  • Fluid Mechanics (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Geochemistry & Mineralogy (AREA)
  • Mechanical Engineering (AREA)
  • Earth Drilling (AREA)
EP11832179.3A 2010-10-15 2011-10-14 Drill assembly Withdrawn EP2627851A4 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FI20100349A FI125204B (en) 2010-10-15 2010-10-15 A drill bit assembly
PCT/FI2011/000042 WO2012049353A1 (en) 2010-10-15 2011-10-14 Drill assembly

Publications (2)

Publication Number Publication Date
EP2627851A1 EP2627851A1 (en) 2013-08-21
EP2627851A4 true EP2627851A4 (en) 2017-12-27

Family

ID=43064168

Family Applications (1)

Application Number Title Priority Date Filing Date
EP11832179.3A Withdrawn EP2627851A4 (en) 2010-10-15 2011-10-14 Drill assembly

Country Status (7)

Country Link
US (1) US20140144710A1 (en)
EP (1) EP2627851A4 (en)
KR (1) KR20140032347A (en)
CN (1) CN103261558A (en)
FI (1) FI125204B (en)
RU (1) RU2585779C2 (en)
WO (1) WO2012049353A1 (en)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2015011336A1 (en) * 2013-07-26 2015-01-29 Oy Atlas Copco Rotex Ab Method in putting together of a down-the-hole drilling apparatus and a down-the-hole drilling apparatus
BR112016023275B1 (en) * 2015-05-15 2022-07-19 Márcio Dos Santos DEVICE FOR TREATMENT OF TUNNELS THROUGH SELF-COATED AND SELF-INJECTABLE TUBULAR FILINGS
CN108166480A (en) * 2016-12-08 2018-06-15 金门机械设备有限公司 Construction method of continuous interlocking type tubular pile wall or cofferdam
JP6366028B1 (en) * 2017-12-25 2018-08-01 青葉建機株式会社 Drilling device and assembly method thereof
CN113914769A (en) * 2021-10-14 2022-01-11 周拯 Drilling acceleration tool with shaft impulse driving torsion

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1995034740A1 (en) * 1994-06-10 1995-12-21 Ilomaeki Valto Drilling apparatus
WO1998013575A1 (en) * 1996-09-25 1998-04-02 Ilomaeki Valto Bit assembly
WO1998020229A1 (en) * 1996-11-08 1998-05-14 Sandvik Ab (Publ) Method and apparatus for attaching a casing to a drill bit in overburden drilling equipment
WO2004057148A1 (en) * 2002-12-23 2004-07-08 Robit Rocktools Ltd Bit assembly
WO2009007494A1 (en) * 2007-07-10 2009-01-15 Robit Rocktools Ltd Bit assembly

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FI95618C (en) * 1992-12-03 1998-09-03 Jorma Jaervelae Downhole
FI96356C (en) * 1994-12-13 1999-12-18 Valto Ilomaeki Drilling method and blade assembly to implement the method
AUPR886401A0 (en) * 2001-11-14 2001-12-06 Cmte Development Limited Fluid drilling head
RU2338051C1 (en) * 2007-04-16 2008-11-10 Институт горного дела Сибирского отделения Российской академии наук Method of well-drilling with simultaneous case and facility for its implementation
FI20095046A0 (en) * 2009-01-21 2009-01-21 Atlas Copco Rotex Ab Oy Method and device for submersible drilling

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1995034740A1 (en) * 1994-06-10 1995-12-21 Ilomaeki Valto Drilling apparatus
WO1998013575A1 (en) * 1996-09-25 1998-04-02 Ilomaeki Valto Bit assembly
WO1998020229A1 (en) * 1996-11-08 1998-05-14 Sandvik Ab (Publ) Method and apparatus for attaching a casing to a drill bit in overburden drilling equipment
WO2004057148A1 (en) * 2002-12-23 2004-07-08 Robit Rocktools Ltd Bit assembly
WO2009007494A1 (en) * 2007-07-10 2009-01-15 Robit Rocktools Ltd Bit assembly

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
See also references of WO2012049353A1 *

Also Published As

Publication number Publication date
FI125204B (en) 2015-06-30
WO2012049353A1 (en) 2012-04-19
EP2627851A1 (en) 2013-08-21
RU2585779C2 (en) 2016-06-10
FI20100349A (en) 2012-04-16
FI20100349L (en) 2012-04-16
US20140144710A1 (en) 2014-05-29
CN103261558A (en) 2013-08-21
RU2013122095A (en) 2014-11-20
FI20100349A0 (en) 2010-10-15
KR20140032347A (en) 2014-03-14

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RA4 Supplementary search report drawn up and despatched (corrected)

Effective date: 20171128

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Ipc: E21B 17/14 20060101ALI20171122BHEP

Ipc: E21B 7/20 20060101AFI20171122BHEP

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