GB1105701A - Earth drilling unit - Google Patents

Earth drilling unit

Info

Publication number
GB1105701A
GB1105701A GB182265A GB182265A GB1105701A GB 1105701 A GB1105701 A GB 1105701A GB 182265 A GB182265 A GB 182265A GB 182265 A GB182265 A GB 182265A GB 1105701 A GB1105701 A GB 1105701A
Authority
GB
United Kingdom
Prior art keywords
arms
means
pads
borehole
bit
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.)
Expired
Application number
GB182265A
Inventor
Robert Mortimer Penney
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.)
HYDRAULIC DRILLING EQUIPMENT L
HYDRAULIC DRILLING EQUIPMENT Ltd
Original Assignee
HYDRAULIC DRILLING EQUIPMENT L
HYDRAULIC DRILLING EQUIPMENT 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 HYDRAULIC DRILLING EQUIPMENT L, HYDRAULIC DRILLING EQUIPMENT Ltd filed Critical HYDRAULIC DRILLING EQUIPMENT L
Priority to GB182265A priority Critical patent/GB1105701A/en
Publication of GB1105701A publication Critical patent/GB1105701A/en
Application status is Expired legal-status Critical

Links

Classifications

    • EFIXED CONSTRUCTIONS
    • E21EARTH DRILLING; MINING
    • E21BEARTH DRILLING, e.g. DEEP DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
    • E21B4/00Drives used in the borehole
    • E21B4/02Fluid rotary type drives
    • EFIXED CONSTRUCTIONS
    • E21EARTH DRILLING; MINING
    • E21BEARTH DRILLING, e.g. DEEP DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
    • E21B4/00Drives used in the borehole
    • E21B4/18Anchoring or feeding in the borehole

Abstract

1,105,701. Earthboring. HYDRAULIC DRILLING EQUIPMENT Ltd. 1, March, 1966 [15, Jan., 1965], No. 1822/65. Heading E1F. A drilling unit for lowering into a borehole has means 10 for attaching a drill bit which may be rotated by a telescopic stem 9 driven by motors 5, and pads 24 mounted on pivoted arms 16 which extend radially of the borehole so that the pads engage the borehole wall to anchor the unit. The attaching means 10 is mounted on a bridge 13 which may be lowered with respect to the pads by means of rams 14 and piston rods 15 to feed the bit. There are three pairs of arms 16 and there may be a pad to each arm or one larger pad to each pair of arms, movement of the arms being by means of links (20), levers (19) and rams 23. The bit may be an auger or bucket.
GB182265A 1965-01-15 1965-01-15 Earth drilling unit Expired GB1105701A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB182265A GB1105701A (en) 1965-01-15 1965-01-15 Earth drilling unit

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB182265A GB1105701A (en) 1965-01-15 1965-01-15 Earth drilling unit

Publications (1)

Publication Number Publication Date
GB1105701A true GB1105701A (en) 1968-03-13

Family

ID=9728619

Family Applications (1)

Application Number Title Priority Date Filing Date
GB182265A Expired GB1105701A (en) 1965-01-15 1965-01-15 Earth drilling unit

Country Status (1)

Country Link
GB (1) GB1105701A (en)

Cited By (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1994027022A1 (en) * 1993-05-06 1994-11-24 Lars Sterner Rock drilling machine
US7748476B2 (en) 2006-11-14 2010-07-06 Wwt International, Inc. Variable linkage assisted gripper
US7954563B2 (en) 2004-03-17 2011-06-07 Wwt International, Inc. Roller link toggle gripper and downhole tractor
US7954562B2 (en) 2006-03-13 2011-06-07 Wwt International, Inc. Expandable ramp gripper
US8069917B2 (en) 2000-05-18 2011-12-06 Wwt International, Inc. Gripper assembly for downhole tools
US8245796B2 (en) 2000-12-01 2012-08-21 Wwt International, Inc. Tractor with improved valve system
US8485278B2 (en) 2009-09-29 2013-07-16 Wwt International, Inc. Methods and apparatuses for inhibiting rotational misalignment of assemblies in expandable well tools
US9447648B2 (en) 2011-10-28 2016-09-20 Wwt North America Holdings, Inc High expansion or dual link gripper
US9488020B2 (en) 2014-01-27 2016-11-08 Wwt North America Holdings, Inc. Eccentric linkage gripper

Cited By (17)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5613568A (en) * 1993-05-06 1997-03-25 Lennart Nilsson Rock drilling machine
WO1994027022A1 (en) * 1993-05-06 1994-11-24 Lars Sterner Rock drilling machine
US8555963B2 (en) 2000-05-18 2013-10-15 Wwt International, Inc. Gripper assembly for downhole tools
US8944161B2 (en) 2000-05-18 2015-02-03 Wwt North America Holdings, Inc. Gripper assembly for downhole tools
US9228403B1 (en) 2000-05-18 2016-01-05 Wwt North America Holdings, Inc. Gripper assembly for downhole tools
US8069917B2 (en) 2000-05-18 2011-12-06 Wwt International, Inc. Gripper assembly for downhole tools
US9988868B2 (en) 2000-05-18 2018-06-05 Wwt North America Holdings, Inc. Gripper assembly for downhole tools
US8245796B2 (en) 2000-12-01 2012-08-21 Wwt International, Inc. Tractor with improved valve system
US7954563B2 (en) 2004-03-17 2011-06-07 Wwt International, Inc. Roller link toggle gripper and downhole tractor
US7954562B2 (en) 2006-03-13 2011-06-07 Wwt International, Inc. Expandable ramp gripper
US8302679B2 (en) 2006-03-13 2012-11-06 Wwt International, Inc. Expandable ramp gripper
US8061447B2 (en) 2006-11-14 2011-11-22 Wwt International, Inc. Variable linkage assisted gripper
US7748476B2 (en) 2006-11-14 2010-07-06 Wwt International, Inc. Variable linkage assisted gripper
US8485278B2 (en) 2009-09-29 2013-07-16 Wwt International, Inc. Methods and apparatuses for inhibiting rotational misalignment of assemblies in expandable well tools
US9447648B2 (en) 2011-10-28 2016-09-20 Wwt North America Holdings, Inc High expansion or dual link gripper
US9488020B2 (en) 2014-01-27 2016-11-08 Wwt North America Holdings, Inc. Eccentric linkage gripper
US10156107B2 (en) 2014-01-27 2018-12-18 Wwt North America Holdings, Inc. Eccentric linkage gripper

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