JPS6216308B2 - - Google Patents

Info

Publication number
JPS6216308B2
JPS6216308B2 JP19799881A JP19799881A JPS6216308B2 JP S6216308 B2 JPS6216308 B2 JP S6216308B2 JP 19799881 A JP19799881 A JP 19799881A JP 19799881 A JP19799881 A JP 19799881A JP S6216308 B2 JPS6216308 B2 JP S6216308B2
Authority
JP
Japan
Prior art keywords
drilling
split
hole
pipe
chuck
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
JP19799881A
Other languages
English (en)
Japanese (ja)
Other versions
JPS5898591A (ja
Inventor
Tadashi Akutsu
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.)
Eneos Corp
Original Assignee
Nippon Petrochemicals Co 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 Nippon Petrochemicals Co Ltd filed Critical Nippon Petrochemicals Co Ltd
Priority to JP19799881A priority Critical patent/JPS5898591A/ja
Publication of JPS5898591A publication Critical patent/JPS5898591A/ja
Publication of JPS6216308B2 publication Critical patent/JPS6216308B2/ja
Granted legal-status Critical Current

Links

Landscapes

  • Earth Drilling (AREA)
JP19799881A 1981-12-09 1981-12-09 地盤削孔機械におけるスクリユ−・マウント式分割削孔管の螺脱方法 Granted JPS5898591A (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP19799881A JPS5898591A (ja) 1981-12-09 1981-12-09 地盤削孔機械におけるスクリユ−・マウント式分割削孔管の螺脱方法

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP19799881A JPS5898591A (ja) 1981-12-09 1981-12-09 地盤削孔機械におけるスクリユ−・マウント式分割削孔管の螺脱方法

Publications (2)

Publication Number Publication Date
JPS5898591A JPS5898591A (ja) 1983-06-11
JPS6216308B2 true JPS6216308B2 (en, 2012) 1987-04-11

Family

ID=16383806

Family Applications (1)

Application Number Title Priority Date Filing Date
JP19799881A Granted JPS5898591A (ja) 1981-12-09 1981-12-09 地盤削孔機械におけるスクリユ−・マウント式分割削孔管の螺脱方法

Country Status (1)

Country Link
JP (1) JPS5898591A (en, 2012)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0344411U (en, 2012) * 1989-09-05 1991-04-25

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2010101060A (ja) * 2008-10-23 2010-05-06 Japan Drilling Co Ltd ケーシングパイプの布設方法
JP2013036192A (ja) * 2011-08-05 2013-02-21 Kurisutensen Maikai:Kk ワイヤーライン・コアバーレル

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0344411U (en, 2012) * 1989-09-05 1991-04-25

Also Published As

Publication number Publication date
JPS5898591A (ja) 1983-06-11

Similar Documents

Publication Publication Date Title
US3980143A (en) Holding wrench for drill strings
US3916998A (en) Drilling stabilizer and method
US7707913B2 (en) Method of disconnecting a pipe length
US4711310A (en) Rotary head
US5370183A (en) Well casing guide string and repair method
US5445229A (en) Method and apparatus for drilling, cracking, and withdrawing earth cores
CN113622920A (zh) 一种反井钻机用夹紧加杆装置
US10370912B2 (en) Threaded connection management system and method
CN2623867Y (zh) 一种单管取芯钻具
JPH08127U (ja) 複式ドリル
JPS6216308B2 (en, 2012)
US3924697A (en) Excavating tool
US5388647A (en) Sucker rod back off tool
JPS6223910Y2 (en, 2012)
US4458562A (en) Rod wrench
CN107288567B (zh) 一种可退式套铣打捞一体化装置及其打捞方法
US4339006A (en) Method and apparatus for mine roof drilling
JPH09217580A (ja) さく孔用工具類及びそれを使用するさく孔方法
CN108397146B (zh) 带有转角补偿机构的卸扣器及其使用方法
EP0276161B1 (en) Self-adjusting bit basket
CN2219957Y (zh) 一种造斜器悬挂装置
CN218912837U (zh) 一种用于打捞井内落物的凹底式套铣卡瓦捞筒
JP7341076B2 (ja) 深井戸の掘削方法及び二重管保持具
CN2292894Y (zh) 一种分体式双心pdc钻头
CN221159750U (zh) 一种石油钻杆接头加工用打磨工装