EP2976486A4 - Drilling equipment device especially arranged for reaming a borehole in a rock formation and method of reaming a borehole in a rock formation - Google Patents

Drilling equipment device especially arranged for reaming a borehole in a rock formation and method of reaming a borehole in a rock formation

Info

Publication number
EP2976486A4
EP2976486A4 EP14772571.7A EP14772571A EP2976486A4 EP 2976486 A4 EP2976486 A4 EP 2976486A4 EP 14772571 A EP14772571 A EP 14772571A EP 2976486 A4 EP2976486 A4 EP 2976486A4
Authority
EP
European Patent Office
Prior art keywords
reaming
borehole
rock formation
equipment device
drilling equipment
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.)
Granted
Application number
EP14772571.7A
Other languages
German (de)
French (fr)
Other versions
EP2976486A1 (en
EP2976486B1 (en
Inventor
Per Olav Haughom
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.)
Norhard As
Original Assignee
Norhard As
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 Norhard As filed Critical Norhard As
Publication of EP2976486A1 publication Critical patent/EP2976486A1/en
Publication of EP2976486A4 publication Critical patent/EP2976486A4/en
Application granted granted Critical
Publication of EP2976486B1 publication Critical patent/EP2976486B1/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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
    • E21B4/00—Drives for drilling, used in the borehole
    • E21B4/006—Mechanical motion converting means, e.g. reduction gearings
    • 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
    • E21B10/28—Drill bits with leading portion, i.e. drill bits with a pilot cutter; Drill bits for enlarging the borehole, e.g. reamers with non-expansible roller cutters
    • 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
    • E21B10/08—Roller bits
    • 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
    • E21B4/00—Drives for drilling, used in the borehole
    • E21B4/04—Electric drives
    • 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
    • E21B7/28—Enlarging drilled holes, e.g. by counterboring
    • 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
    • E21B7/28—Enlarging drilled holes, e.g. by counterboring
    • E21B7/30—Enlarging drilled holes, e.g. by counterboring without earth removal
EP14772571.7A 2013-03-22 2014-03-18 Drilling equipment device especially arranged for reaming a borehole in a rock formation and method of reaming a borehole in a rock formation Active EP2976486B1 (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
NO20130420 2013-03-22
NO20140315A NO342521B1 (en) 2013-03-22 2014-03-12 DRILLING EQUIPMENT SPECIFICALLY PREPARED FOR THE PREPARATION OF BOREHOLES IN A MOUNTAIN FORMATION, AND A PROCEDURE FOR THE PREPARATION OF A DRILLHOLE IN A MOUNTAIN FORMATION
PCT/NO2014/050040 WO2014158026A1 (en) 2013-03-22 2014-03-18 Drilling equipment device especially arranged for reaming a borehole in a rock formation and method of reaming a borehole in a rock formation

Publications (3)

Publication Number Publication Date
EP2976486A1 EP2976486A1 (en) 2016-01-27
EP2976486A4 true EP2976486A4 (en) 2016-11-09
EP2976486B1 EP2976486B1 (en) 2018-08-22

Family

ID=51624861

Family Applications (1)

Application Number Title Priority Date Filing Date
EP14772571.7A Active EP2976486B1 (en) 2013-03-22 2014-03-18 Drilling equipment device especially arranged for reaming a borehole in a rock formation and method of reaming a borehole in a rock formation

Country Status (3)

Country Link
EP (1) EP2976486B1 (en)
NO (1) NO342521B1 (en)
WO (1) WO2014158026A1 (en)

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3508620A (en) * 1968-01-02 1970-04-28 Allied Chem Excavation apparatus
US4117895A (en) * 1977-03-30 1978-10-03 Smith International, Inc. Apparatus and method for enlarging underground arcuate bore holes
US4381038A (en) * 1980-11-21 1983-04-26 The Robbins Company Raise bit with cutters stepped in a spiral and flywheel
US5092411A (en) * 1988-03-15 1992-03-03 Rudolf Hausherr & Sohne Gmbh & Co. Kg Drilling apparatus
WO1993020325A1 (en) * 1992-03-27 1993-10-14 The Robbins Company Down reaming apparatus

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3301581A (en) * 1965-09-30 1967-01-31 Robbins & Assoc James S Drilling shafts
US3399738A (en) * 1966-06-06 1968-09-03 Smith Ind International Inc Raise driver
US3894402A (en) * 1974-07-19 1975-07-15 Martin D Cherrington Apparatus and method for emplacing a conduit along an underground arcuate path
US4401170A (en) * 1979-09-24 1983-08-30 Reading & Bates Construction Co. Apparatus for drilling underground arcuate paths and installing production casings, conduits, or flow pipes therein
US8448724B2 (en) 2009-10-06 2013-05-28 Baker Hughes Incorporated Hole opener with hybrid reaming section

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3508620A (en) * 1968-01-02 1970-04-28 Allied Chem Excavation apparatus
US4117895A (en) * 1977-03-30 1978-10-03 Smith International, Inc. Apparatus and method for enlarging underground arcuate bore holes
US4381038A (en) * 1980-11-21 1983-04-26 The Robbins Company Raise bit with cutters stepped in a spiral and flywheel
US5092411A (en) * 1988-03-15 1992-03-03 Rudolf Hausherr & Sohne Gmbh & Co. Kg Drilling apparatus
WO1993020325A1 (en) * 1992-03-27 1993-10-14 The Robbins Company Down reaming apparatus

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
See also references of WO2014158026A1 *

Also Published As

Publication number Publication date
NO342521B1 (en) 2018-06-04
EP2976486A1 (en) 2016-01-27
EP2976486B1 (en) 2018-08-22
NO20140315A1 (en) 2014-09-23
WO2014158026A1 (en) 2014-10-02

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