GB201013485D0 - Enlarging boreholes - Google Patents

Enlarging boreholes

Info

Publication number
GB201013485D0
GB201013485D0 GBGB1013485.6A GB201013485A GB201013485D0 GB 201013485 D0 GB201013485 D0 GB 201013485D0 GB 201013485 A GB201013485 A GB 201013485A GB 201013485 D0 GB201013485 D0 GB 201013485D0
Authority
GB
United Kingdom
Prior art keywords
enlarging boreholes
boreholes
enlarging
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
GBGB1013485.6A
Other versions
GB2482703A (en
GB2482703B (en
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.)
NAPIERALSKA KRZYSIEK ELZBIETA
Original Assignee
NAPIERALSKA KRZYSIEK ELZBIETA
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 NAPIERALSKA KRZYSIEK ELZBIETA filed Critical NAPIERALSKA KRZYSIEK ELZBIETA
Priority to GB1013485.6A priority Critical patent/GB2482703B/en
Publication of GB201013485D0 publication Critical patent/GB201013485D0/en
Publication of GB2482703A publication Critical patent/GB2482703A/en
Application granted granted Critical
Publication of GB2482703B publication Critical patent/GB2482703B/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

Links

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
    • 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

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)
  • Sampling And Sample Adjustment (AREA)
GB1013485.6A 2010-08-11 2010-08-11 Enlarging boreholes Expired - Fee Related GB2482703B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB1013485.6A GB2482703B (en) 2010-08-11 2010-08-11 Enlarging boreholes

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB1013485.6A GB2482703B (en) 2010-08-11 2010-08-11 Enlarging boreholes

Publications (3)

Publication Number Publication Date
GB201013485D0 true GB201013485D0 (en) 2010-09-22
GB2482703A GB2482703A (en) 2012-02-15
GB2482703B GB2482703B (en) 2012-08-01

Family

ID=42931489

Family Applications (1)

Application Number Title Priority Date Filing Date
GB1013485.6A Expired - Fee Related GB2482703B (en) 2010-08-11 2010-08-11 Enlarging boreholes

Country Status (1)

Country Link
GB (1) GB2482703B (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP3135854B1 (en) 2015-08-24 2021-12-29 Politechnika Gdanska Wellbore reaming tool
EP3702581A1 (en) * 2019-02-26 2020-09-02 Shell Internationale Research Maatschappij B.V. Method of stabilizing a wall with exposed layers of clay

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6209665B1 (en) * 1996-07-01 2001-04-03 Ardis L. Holte Reverse circulation drilling system with bit locked underreamer arms
US6851491B2 (en) * 2002-09-27 2005-02-08 Weatherford/Lamb, Inc. Internal pressure indicator and locking mechanism for a downhole tool
WO2005024173A1 (en) * 2003-09-08 2005-03-17 Camstar Nominees Pty Ltd Drilling arrangement
US7152700B2 (en) * 2003-11-13 2006-12-26 American Augers, Inc. Dual wall drill string assembly
GB2446742B (en) * 2004-02-25 2008-10-01 Caledus Ltd Improved shoe

Also Published As

Publication number Publication date
GB2482703A (en) 2012-02-15
GB2482703B (en) 2012-08-01

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Legal Events

Date Code Title Description
732E Amendments to the register in respect of changes of name or changes affecting rights (sect. 32/1977)

Free format text: REGISTERED BETWEEN 20190725 AND 20190731

PCNP Patent ceased through non-payment of renewal fee

Effective date: 20230811