DE3771132D1 - Verfahren zur bestimmung der widerstandsfaehigkeit von steinen gegen bruch durch kernbohren. - Google Patents

Verfahren zur bestimmung der widerstandsfaehigkeit von steinen gegen bruch durch kernbohren.

Info

Publication number
DE3771132D1
DE3771132D1 DE8787301548T DE3771132T DE3771132D1 DE 3771132 D1 DE3771132 D1 DE 3771132D1 DE 8787301548 T DE8787301548 T DE 8787301548T DE 3771132 T DE3771132 T DE 3771132T DE 3771132 D1 DE3771132 D1 DE 3771132D1
Authority
DE
Germany
Prior art keywords
determining
resistance
core drilling
against breakage
stones against
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 - Lifetime
Application number
DE8787301548T
Other languages
English (en)
Inventor
Hideki Sekine
Hideaki Takahashi
Hiroyuki Abe
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.)
Tohoku University NUC
Original Assignee
Tohoku University NUC
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 Tohoku University NUC filed Critical Tohoku University NUC
Application granted granted Critical
Publication of DE3771132D1 publication Critical patent/DE3771132D1/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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
    • E21B49/00—Testing the nature of borehole walls; Formation testing; Methods or apparatus for obtaining samples of soil or well fluids, specially adapted to earth drilling or wells
    • E21B49/006—Measuring wall stresses in the borehole
    • 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
    • E21B44/00—Automatic control systems specially adapted for drilling operations, i.e. self-operating systems which function to carry out or modify a drilling operation without intervention of a human operator, e.g. computer-controlled drilling systems; Systems specially adapted for monitoring a plurality of drilling variables or conditions
    • 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
    • E21B49/00—Testing the nature of borehole walls; Formation testing; Methods or apparatus for obtaining samples of soil or well fluids, specially adapted to earth drilling or wells
    • E21B49/02—Testing the nature of borehole walls; Formation testing; Methods or apparatus for obtaining samples of soil or well fluids, specially adapted to earth drilling or wells by mechanically taking samples of the soil

Landscapes

  • Life Sciences & Earth Sciences (AREA)
  • Geology (AREA)
  • Engineering & Computer Science (AREA)
  • Mining & Mineral Resources (AREA)
  • Environmental & Geological Engineering (AREA)
  • Fluid Mechanics (AREA)
  • Physics & Mathematics (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Geochemistry & Mineralogy (AREA)
  • Soil Sciences (AREA)
  • Investigation Of Foundation Soil And Reinforcement Of Foundation Soil By Compacting Or Drainage (AREA)
  • Investigating Strength Of Materials By Application Of Mechanical Stress (AREA)
  • Earth Drilling (AREA)
DE8787301548T 1986-06-19 1987-02-23 Verfahren zur bestimmung der widerstandsfaehigkeit von steinen gegen bruch durch kernbohren. Expired - Lifetime DE3771132D1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP61141358A JPS63594A (ja) 1986-06-19 1986-06-19 コアボ−リング法による岩石の破壊じん性値算定法

Publications (1)

Publication Number Publication Date
DE3771132D1 true DE3771132D1 (de) 1991-08-08

Family

ID=15290121

Family Applications (1)

Application Number Title Priority Date Filing Date
DE8787301548T Expired - Lifetime DE3771132D1 (de) 1986-06-19 1987-02-23 Verfahren zur bestimmung der widerstandsfaehigkeit von steinen gegen bruch durch kernbohren.

Country Status (4)

Country Link
US (1) US4759214A (de)
EP (1) EP0250059B1 (de)
JP (1) JPS63594A (de)
DE (1) DE3771132D1 (de)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH07329994A (ja) * 1994-06-10 1995-12-19 Yoshida Kogyo Kk <Ykk> 多連式並列チューブ及びその製造方法
FR2734315B1 (fr) * 1995-05-15 1997-07-04 Inst Francais Du Petrole Methode de determination des conditions de forage comportant un modele de foration
US7195086B2 (en) * 2004-01-30 2007-03-27 Anna Victorovna Aaron Anti-tracking earth boring bit with selected varied pitch for overbreak optimization and vibration reduction
US8385604B2 (en) * 2006-03-07 2013-02-26 Ground Modelling Technologies, Ltd. Rock core logging
CN103590824B (zh) * 2013-10-21 2016-02-10 中国石油天然气股份有限公司 经过多段压裂改造后的致密气藏水平井的产能计算方法
JP2017025617A (ja) * 2015-07-24 2017-02-02 国立大学法人東北大学 コアビット
CN112945700B (zh) * 2021-03-19 2022-10-04 中南大学 各向异性岩石的断裂判定方法
CN114577609B (zh) * 2022-03-18 2023-06-16 天津大学 一种现场测量原位岩石ⅰ型断裂韧度的方法

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2555275A (en) * 1946-05-20 1951-05-29 Core Recorder Inc Art of well drilling
US3440875A (en) * 1967-06-20 1969-04-29 Continental Oil Co Method for determining the stress anisotropy in a horizontal plane
US3907034A (en) * 1974-01-28 1975-09-23 Jr George O Suman Method of drilling and completing a well in an unconsolidated formation
FR2485616B1 (fr) * 1980-06-27 1986-02-28 Pk I Systeme de commande automatique d'un appareil de forage du sol par rotation
GB8411361D0 (en) * 1984-05-03 1984-06-06 Schlumberger Cambridge Researc Assessment of drilling conditions
US4697650A (en) * 1984-09-24 1987-10-06 Nl Industries, Inc. Method for estimating formation characteristics of the exposed bottomhole formation

Also Published As

Publication number Publication date
US4759214A (en) 1988-07-26
EP0250059B1 (de) 1991-07-03
JPH0434675B2 (de) 1992-06-08
EP0250059A3 (en) 1989-01-25
EP0250059A2 (de) 1987-12-23
JPS63594A (ja) 1988-01-05

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8339 Ceased/non-payment of the annual fee