GB0010212D0 - Backreaming tool - Google Patents

Backreaming tool

Info

Publication number
GB0010212D0
GB0010212D0 GBGB0010212.9A GB0010212A GB0010212D0 GB 0010212 D0 GB0010212 D0 GB 0010212D0 GB 0010212 A GB0010212 A GB 0010212A GB 0010212 D0 GB0010212 D0 GB 0010212D0
Authority
GB
United Kingdom
Prior art keywords
backreaming tool
backreaming
tool
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.)
Ceased
Application number
GBGB0010212.9A
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.)
Euro Iseki Ltd
Original Assignee
Euro Iseki Ltd
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 Euro Iseki Ltd filed Critical Euro Iseki Ltd
Priority to GBGB0010212.9A priority Critical patent/GB0010212D0/en
Publication of GB0010212D0 publication Critical patent/GB0010212D0/en
Priority to CN01811492.XA priority patent/CN1443266A/en
Priority to EP01923856A priority patent/EP1276952A1/en
Priority to CA002407042A priority patent/CA2407042A1/en
Priority to PCT/GB2001/001879 priority patent/WO2001081704A1/en
Priority to AU50539/01A priority patent/AU5053901A/en
Priority to US10/258,755 priority patent/US20040089473A1/en
Ceased 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
    • E21B4/00—Drives for drilling, used in the borehole
    • E21B4/06—Down-hole impacting means, e.g. hammers
    • E21B4/14—Fluid operated hammers
    • E21B4/145—Fluid operated hammers of the self propelled-type, e.g. with a reverse mode to retract the device from 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
    • E21B7/00—Special methods or apparatus for drilling
    • E21B7/28—Enlarging drilled holes, e.g. by counterboring
GBGB0010212.9A 2000-04-26 2000-04-26 Backreaming tool Ceased GB0010212D0 (en)

Priority Applications (7)

Application Number Priority Date Filing Date Title
GBGB0010212.9A GB0010212D0 (en) 2000-04-26 2000-04-26 Backreaming tool
CN01811492.XA CN1443266A (en) 2000-04-26 2001-04-26 Backreaming tool
EP01923856A EP1276952A1 (en) 2000-04-26 2001-04-26 Backreaming tool
CA002407042A CA2407042A1 (en) 2000-04-26 2001-04-26 Backreaming tool
PCT/GB2001/001879 WO2001081704A1 (en) 2000-04-26 2001-04-26 Backreaming tool
AU50539/01A AU5053901A (en) 2000-04-26 2001-04-26 Backreaming tool
US10/258,755 US20040089473A1 (en) 2000-04-26 2001-04-26 Backreaming tool

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GBGB0010212.9A GB0010212D0 (en) 2000-04-26 2000-04-26 Backreaming tool

Publications (1)

Publication Number Publication Date
GB0010212D0 true GB0010212D0 (en) 2000-06-14

Family

ID=9890576

Family Applications (1)

Application Number Title Priority Date Filing Date
GBGB0010212.9A Ceased GB0010212D0 (en) 2000-04-26 2000-04-26 Backreaming tool

Country Status (7)

Country Link
US (1) US20040089473A1 (en)
EP (1) EP1276952A1 (en)
CN (1) CN1443266A (en)
AU (1) AU5053901A (en)
CA (1) CA2407042A1 (en)
GB (1) GB0010212D0 (en)
WO (1) WO2001081704A1 (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107829685A (en) * 2017-10-10 2018-03-23 苏州工业园区科艺通信设备有限公司 A kind of directional drilling machine pneumatic type tunneling boring rock reamer and its chambering process

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB0114872D0 (en) * 2001-06-19 2001-08-08 Weatherford Lamb Tubing expansion
IES20050621A2 (en) * 2005-09-20 2006-11-15 Minroc Techn Promotions Ltd A percussion hammer for enlarging drilled holes
WO2009108413A1 (en) * 2008-02-29 2009-09-03 Exxonmobil Upstream Research Company Systems and methods for regulating flow in a wellbore
IES20100502A2 (en) * 2010-08-12 2011-04-27 Minroc Techn Promotions Ltd An attachment for percussion drill tools
US20150273676A1 (en) * 2014-03-27 2015-10-01 Michael B. Spektor Optimized pneumatic hammer
US10641051B1 (en) * 2016-09-07 2020-05-05 Dandelion Energy, Inc. Systems and methods for coupling and decoupling drill heads for ground loop preparation for geothermal applications
CN111577177B (en) * 2020-04-22 2022-03-22 中煤科工集团西安研究院有限公司 Drilling device and drilling method for discharging slag by underground pneumatic impact crushed rock foam

Family Cites Families (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2157259C3 (en) * 1971-11-18 1973-06-07 Tracto Technik Ram drilling rig
GB1501582A (en) * 1975-05-31 1978-02-15 Jenne & Strahm Ag Boring tools
US4117895A (en) * 1977-03-30 1978-10-03 Smith International, Inc. Apparatus and method for enlarging underground arcuate bore holes
GB2165279B (en) * 1984-10-03 1987-12-23 Inst Gornogo Dela Sibirskogo O Air-operated reversible percussive action machine
US4694913A (en) * 1986-05-16 1987-09-22 Gas Research Institute Guided earth boring tool
US5190114A (en) * 1988-11-25 1993-03-02 Intech International Inc. Flow pulsing apparatus for drill string
GB9012639D0 (en) 1990-06-06 1990-07-25 Kayes Allan G Soil displacement hammer with reversing mechanism
US5065827A (en) * 1990-12-21 1991-11-19 Smith International, Inc. Hammer bit retention tool
US5238073A (en) * 1991-04-04 1993-08-24 Rear Ian G Uphole hammer
FI954309A (en) * 1995-09-14 1997-03-15 Rd Trenchless Ltd Oy Drilling device and drilling method
US5921331A (en) 1997-04-14 1999-07-13 Straightline Manufacturing, Inc. Backreamer

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107829685A (en) * 2017-10-10 2018-03-23 苏州工业园区科艺通信设备有限公司 A kind of directional drilling machine pneumatic type tunneling boring rock reamer and its chambering process
CN107829685B (en) * 2017-10-10 2023-12-19 苏州工业园区科艺通信设备有限公司 Pneumatic full-section rock reamer of directional drilling machine and reaming process thereof

Also Published As

Publication number Publication date
US20040089473A1 (en) 2004-05-13
AU5053901A (en) 2001-11-07
EP1276952A1 (en) 2003-01-22
CA2407042A1 (en) 2001-11-01
CN1443266A (en) 2003-09-17
WO2001081704A1 (en) 2001-11-01

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Legal Events

Date Code Title Description
AT Applications terminated before publication under section 16(1)