JP2007532803A - 穴あけ工具に用いられる装置 - Google Patents
穴あけ工具に用いられる装置 Download PDFInfo
- Publication number
- JP2007532803A JP2007532803A JP2007507276A JP2007507276A JP2007532803A JP 2007532803 A JP2007532803 A JP 2007532803A JP 2007507276 A JP2007507276 A JP 2007507276A JP 2007507276 A JP2007507276 A JP 2007507276A JP 2007532803 A JP2007532803 A JP 2007532803A
- Authority
- JP
- Japan
- Prior art keywords
- reamer
- guide
- guide rod
- drill cone
- rod body
- 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
Links
- 238000005553 drilling Methods 0.000 title claims abstract description 6
- 230000005540 biological transmission Effects 0.000 description 5
- 239000007788 liquid Substances 0.000 description 3
- 230000009471 action Effects 0.000 description 1
- 230000001627 detrimental effect Effects 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
Images
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
- 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
-
- 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
- E21B10/26—Drill bits with leading portion, i.e. drill bits with a pilot cutter; Drill bits for enlarging the borehole, e.g. reamers
- E21B10/32—Drill bits with leading portion, i.e. drill bits with a pilot cutter; Drill bits for enlarging the borehole, e.g. reamers with expansible cutting tools
- E21B10/327—Drill bits with leading portion, i.e. drill bits with a pilot cutter; Drill bits for enlarging the borehole, e.g. reamers with expansible cutting tools the cutter being pivoted about a longitudinal axis
-
- 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
- E21B10/66—Drill bits characterised by the whole or part thereof being insertable into or removable from the borehole without withdrawing the drilling pipe the cutting element movable through the drilling pipe and laterally shiftable
Abstract
Description
Claims (8)
- 下方への穴あけ工具に用いられる装置であって、
案内ドリル錐(10)と、
リーマ(8)と、
リーマ(8)および案内ドリル錐(10)をケーシングチューブ(2)の端部で支持するよう設けられた案内棒本体(1)と、
を備え、
リーマ(8)は、閉止位置において工具の各部分が互いに同軸となるとともにケーシングチューブ(2)から取り外し可能となり、開口位置において当該リーマ(8)の少なくとも一部分がケーシングチューブ(2)の外方において半径方向に延びるよう配置されるよう構成されており、また、案内棒本体(1)には、リーマ(8)を貫通して延びるような雄部分(7)が設けられており、
案内棒本体(1)の雄部分(7)は、回転エネルギーをリーマ(8)に伝達し当該リーマ(8)の閉止位置と開口位置との切り換えを行うようなカム表面(17、24)を有しており、案内棒本体(1)の雄部分(7)は、案内ドリル錐(10)の凹部(9)に挿入可能となっていることを特徴とする装置。 - 雄部分(7)にはネジ部(11)が設けられており、案内ドリル錐(10)の凹部(9)には対応するネジ部が設けられていることを特徴とする請求項1記載の装置。
- 案内棒本体(1)の雄部分(7)は円錐形となっており、案内ドリル錐(10)の凹部(9)も円錐形となっていることを特徴とする請求項1記載の装置。
- 案内棒本体(1)と案内ドリル錐(10)との間には、これらの案内棒本体(1)と案内ドリル錐(10)との間の軸方向の移動を抑止するための固定手段(12、13)が配置されていることを特徴とする請求項1乃至3のいずれか一項に記載の装置。
- リーマ(8)は、当該リーマ(8)の回転のため案内棒本体(1)の駆動表面(21)と協働する軸ピン(19)を有することを特徴とする請求項1記載の装置。
- 案内棒本体(1)のカム表面(17、24)は、リーマ(8)内にありこのリーマ(8)を回転させるための偏心穴(25)と協働し、閉止位置と開口位置との切り換えを行うような偏心部分(24)であることを特徴とする請求項1記載の装置。
- 雄部分(7)の端部は楕円形となっており、案内ドリル錐(10)内にある同様の楕円形の穴に嵌合するようになっていることを特徴とする請求項1記載の装置。
- 固定手段は、ボールレース(27A、27B)内に設けられたボール(26)からなり、このボール(26)は、案内ドリル錐(10)の穴(28)に配置されたプラグ(29)によりボールレース(27A、27B)に囲まれるようになっていることを特徴とする請求項1乃至3および7のいずれか一項に記載の装置。
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
SE0400929A SE0400929L (sv) | 2004-04-07 | 2004-04-07 | Anordning vid verktyg för sänkborrning med pilotborrkrona, rymmare och styrkropp |
SE0400929-6 | 2004-04-07 | ||
PCT/SE2005/000502 WO2005098194A1 (en) | 2004-04-07 | 2005-04-06 | Device for a drilling tool |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2007532803A true JP2007532803A (ja) | 2007-11-15 |
JP4708419B2 JP4708419B2 (ja) | 2011-06-22 |
Family
ID=32173703
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2007507276A Expired - Fee Related JP4708419B2 (ja) | 2004-04-07 | 2005-04-06 | 穴あけ工具に用いられる装置 |
Country Status (6)
Country | Link |
---|---|
US (1) | US7775303B2 (ja) |
EP (1) | EP1733116B1 (ja) |
JP (1) | JP4708419B2 (ja) |
CN (1) | CN101052779B (ja) |
SE (1) | SE0400929L (ja) |
WO (1) | WO2005098194A1 (ja) |
Families Citing this family (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
SE0701274L (sv) * | 2007-05-21 | 2008-05-13 | Svenska Borr Ab | Anordning vid utförande av borrning i jordlager och berg |
US8474529B2 (en) * | 2009-04-09 | 2013-07-02 | Regency Technologies Llc | Control of concentric tubing direction |
CN101871321A (zh) * | 2009-08-30 | 2010-10-27 | 天津市海王星海上工程技术有限公司 | 一种隔水套管安装方法-沉管钻入法 |
EP2339109B1 (en) * | 2009-12-23 | 2017-12-20 | Lövab Aktiebolag | Earth drilling tool and method |
US8439135B2 (en) * | 2010-04-01 | 2013-05-14 | Center Rock Inc. | Down-the-hole drill hammer having an extendable drill bit assembly |
CN102199992B (zh) * | 2011-05-06 | 2013-05-15 | 东北石油大学 | 一种旋冲-扩孔复合钻头 |
CN104053850B (zh) * | 2011-12-27 | 2016-04-27 | 国民油井Dht有限公司 | 孔底切削工具 |
CN107165579A (zh) * | 2017-05-22 | 2017-09-15 | 长江大学 | 挤土式跟管偏心钻头 |
US11125020B2 (en) | 2019-04-02 | 2021-09-21 | Schlumberger Technology Corporation | Downhole drilling apparatus with drilling, steering, and reaming functions and methods of use |
US11441360B2 (en) | 2020-12-17 | 2022-09-13 | National Oilwell Varco, L.P. | Downhole eccentric reamer tool and related systems and methods |
Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS594789A (ja) * | 1982-06-18 | 1984-01-11 | ヒユ−ズ・ツ−ル・カンパニ− | ア−スボ−リングビツト |
JPH01280195A (ja) * | 1988-04-30 | 1989-11-10 | Nippon Steel Corp | 穿孔用ビット |
JPH084465A (ja) * | 1994-06-23 | 1996-01-09 | Ohbayashi Corp | 削孔装置 |
Family Cites Families (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2086680A (en) * | 1934-09-08 | 1937-07-13 | Hughes Tool Co | Drill cutter mounting |
SE346354B (ja) * | 1970-11-27 | 1972-07-03 | Atlas Copco Ab | |
SE458943B (sv) | 1984-10-10 | 1989-05-22 | Jan Persson | Koppling mellan en borrkrona och borraxel |
SE460141B (sv) * | 1986-02-24 | 1989-09-11 | Santrade Ltd | Borrverktyg foer rotations- och/eller slagborrning innefattande en excentrisk rymmare samt rymmare ingaaende i ett saadant borrverktyg |
CA2366115A1 (en) * | 1999-03-03 | 2000-09-21 | Earth Tool Company, L.L.C. | Method and apparatus for directional boring |
SE522135C2 (sv) * | 2001-07-02 | 2004-01-13 | Uno Loef | Borrverktyg för sänkborrning |
-
2004
- 2004-04-07 SE SE0400929A patent/SE0400929L/xx not_active IP Right Cessation
-
2005
- 2005-04-06 WO PCT/SE2005/000502 patent/WO2005098194A1/en active Application Filing
- 2005-04-06 CN CN2005800184606A patent/CN101052779B/zh not_active Expired - Fee Related
- 2005-04-06 EP EP05722315.8A patent/EP1733116B1/en not_active Not-in-force
- 2005-04-06 US US11/547,688 patent/US7775303B2/en not_active Expired - Fee Related
- 2005-04-06 JP JP2007507276A patent/JP4708419B2/ja not_active Expired - Fee Related
Patent Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS594789A (ja) * | 1982-06-18 | 1984-01-11 | ヒユ−ズ・ツ−ル・カンパニ− | ア−スボ−リングビツト |
JPH01280195A (ja) * | 1988-04-30 | 1989-11-10 | Nippon Steel Corp | 穿孔用ビット |
JPH084465A (ja) * | 1994-06-23 | 1996-01-09 | Ohbayashi Corp | 削孔装置 |
Also Published As
Publication number | Publication date |
---|---|
US20070261892A1 (en) | 2007-11-15 |
US7775303B2 (en) | 2010-08-17 |
JP4708419B2 (ja) | 2011-06-22 |
SE0400929D0 (sv) | 2004-04-07 |
CN101052779A (zh) | 2007-10-10 |
EP1733116B1 (en) | 2017-10-11 |
WO2005098194A1 (en) | 2005-10-20 |
EP1733116A1 (en) | 2006-12-20 |
SE526511C2 (sv) | 2005-09-27 |
CN101052779B (zh) | 2013-05-22 |
SE0400929L (sv) | 2005-09-27 |
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