DE3672722D1 - Dehnungsmessgeraetverstaerker fuer bohrloecher. - Google Patents

Dehnungsmessgeraetverstaerker fuer bohrloecher.

Info

Publication number
DE3672722D1
DE3672722D1 DE8686301979T DE3672722T DE3672722D1 DE 3672722 D1 DE3672722 D1 DE 3672722D1 DE 8686301979 T DE8686301979 T DE 8686301979T DE 3672722 T DE3672722 T DE 3672722T DE 3672722 D1 DE3672722 D1 DE 3672722D1
Authority
DE
Germany
Prior art keywords
pressure
cylinder
working liquid
piston
cavity
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
DE8686301979T
Other languages
English (en)
Inventor
Robert Koopmans
Robin W Hughes
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.)
Individual
Original Assignee
Individual
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 Individual filed Critical Individual
Application granted granted Critical
Publication of DE3672722D1 publication Critical patent/DE3672722D1/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
    • E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
    • E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
    • E02D1/00—Investigation of foundation soil in situ
    • E02D1/02—Investigation of foundation soil in situ before construction work
    • E02D1/022—Investigation of foundation soil in situ before construction work by investigating mechanical properties of the soil

Landscapes

  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Mining & Mineral Resources (AREA)
  • Geology (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Paleontology (AREA)
  • General Engineering & Computer Science (AREA)
  • Environmental & Geological Engineering (AREA)
  • Geochemistry & Mineralogy (AREA)
  • Chemical & Material Sciences (AREA)
  • Analytical Chemistry (AREA)
  • Soil Sciences (AREA)
  • Physics & Mathematics (AREA)
  • Civil Engineering (AREA)
  • Fluid Mechanics (AREA)
  • Structural Engineering (AREA)
  • Measuring Fluid Pressure (AREA)
  • Measuring Arrangements Characterized By The Use Of Fluids (AREA)
  • Geophysics And Detection Of Objects (AREA)
  • Investigation Of Foundation Soil And Reinforcement Of Foundation Soil By Compacting Or Drainage (AREA)
  • Analysing Materials By The Use Of Radiation (AREA)
  • Investigating Or Analyzing Materials By The Use Of Ultrasonic Waves (AREA)
  • Drilling And Boring (AREA)
  • Paper (AREA)
  • Drilling Tools (AREA)
DE8686301979T 1985-09-09 1986-03-18 Dehnungsmessgeraetverstaerker fuer bohrloecher. Expired - Lifetime DE3672722D1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA000490229A CA1232535A (en) 1985-09-09 1985-09-09 Borehole dilatometer intensifier

Publications (1)

Publication Number Publication Date
DE3672722D1 true DE3672722D1 (de) 1990-08-23

Family

ID=4131340

Family Applications (1)

Application Number Title Priority Date Filing Date
DE8686301979T Expired - Lifetime DE3672722D1 (de) 1985-09-09 1986-03-18 Dehnungsmessgeraetverstaerker fuer bohrloecher.

Country Status (5)

Country Link
US (1) US4733568A (de)
EP (1) EP0214706B1 (de)
AT (1) ATE54691T1 (de)
CA (1) CA1232535A (de)
DE (1) DE3672722D1 (de)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5159828A (en) * 1990-08-31 1992-11-03 Exxon Production Research Company Microaccumulator for measurement of fluid volume changes under pressure
US5540101A (en) * 1995-05-09 1996-07-30 Roctest Ltd. Borehole directional dilatometer
CA2182913C (en) * 1995-08-14 2006-04-04 Morten Myhre Pressure-boost device for downhole tools
GB9921141D0 (en) * 1999-09-08 1999-11-10 Assembly Technology & Test Lim Metering equipment
WO2019160538A1 (en) * 2018-02-14 2019-08-22 Halliburton Energy Services, Inc. Intensity modifiable intensifier pump
US10914164B2 (en) * 2018-04-13 2021-02-09 China University Of Geosciences (Wuhan) High-efficiency pre-drilling pressure meter test apparatus and method for deep rock mass
CN113203388B (zh) * 2021-05-28 2023-09-26 中煤科工集团沈阳研究院有限公司 一种注液式被保护层膨胀变形量自动测量装置及使用方法

Family Cites Families (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2381929A (en) * 1940-09-06 1945-08-14 Schlumberger Marcel Well conditioning apparatus
US2539292A (en) * 1947-12-16 1951-01-23 Ingersoll Rand Co Pressure booster
US2777425A (en) * 1953-09-16 1957-01-15 American Brake Shoe Co Electronic control system for hydraulic motor
US2959226A (en) * 1956-10-26 1960-11-08 Jersey Prod Res Co Inflatable packer formation tester
FR1591787A (de) * 1968-11-14 1970-05-04
US3610035A (en) * 1969-12-29 1971-10-05 Univ Iowa State Res Found Inc System for determining shear strength of soil including expandable probe
US3858441A (en) * 1973-07-12 1975-01-07 Henri Jules Comeau Soil testing apparatus
GB1471112A (en) * 1974-05-01 1977-04-21 Secretary Industry Brit Tlifting jacks
US3927652A (en) * 1974-06-21 1975-12-23 Physics Int Co Fuel injection system for internal combustion engines
US4237723A (en) * 1976-11-01 1980-12-09 Wean United, Inc. Control means for a pipe tester
US4343595A (en) * 1976-12-20 1982-08-10 Wells David L Hydraulic power booster apparatus
FR2377484A1 (fr) * 1977-01-13 1978-08-11 Robin Robert Multiverin a plaques a deplacement controle
US4196619A (en) * 1978-09-25 1980-04-08 The United States Of America As Represented By The Administrator Of The National Aeronautics And Space Administration Geological assessment probe
US4594899A (en) * 1984-03-06 1986-06-17 Robert Henke Method and apparatus for testing soil
US4557147A (en) * 1984-05-14 1985-12-10 Iowa State University Research Foundation, Inc. Bore hole rock shear tester and method for using same

Also Published As

Publication number Publication date
EP0214706A3 (en) 1987-09-02
CA1232535A (en) 1988-02-09
EP0214706A2 (de) 1987-03-18
EP0214706B1 (de) 1990-07-18
ATE54691T1 (de) 1990-08-15
US4733568A (en) 1988-03-29

Similar Documents

Publication Publication Date Title
NO940422D0 (no) Dobbeltvirkende aksellerator for bruk med hydrauliske slagverktoey
NO845088L (no) Bevegelseskompensator og fortoeyningsanordning.
DK1397078T3 (da) Anordning til lokalisering af et anatomisk hulrum i et legeme
GB1531065A (en) Percussive hydraulic drill
BR0008374A (pt) Sensor de tensão hidráulica, aparelhagem parauso em um furo de poço, e método de geração desinais de pressão
SE7709524L (sv) Hydraulisk slagapparat
GB1525720A (en) Distance measuring apparatus
ATE75523T1 (de) Rammbohrgeraet mit beweglichem meissel.
DE3672722D1 (de) Dehnungsmessgeraetverstaerker fuer bohrloecher.
AU536362B2 (en) Percussion apparatus
ES8500159A1 (es) Aparato destinado a ser utilizado para orientar las ruedas directrices de un vehiculo.
ATE54692T1 (de) Vorrichtung zum pruefen der eigenschaften von gestein.
GB1359909A (en) Support means for mast mounted drill
FR2324916A1 (fr) Ensemble cylindre-piston a actionnement par fluide
FR2384977A1 (fr) Verin hydraulique-pneumatique
GB1420389A (en) Pressure converters
SE8103065L (sv) Ventillos, pneumatisk hammare
ES463028A1 (es) Perfeccionamientos en motores hidraulicos de movimiento al- ternativo.
ES410229A1 (es) Aparato de percusion del tipo de martillo o taladro de per-cusion.
ES466320A1 (es) Perfeccionamientos en cohetes de perforacion subterranea con control neumatico
SU724950A1 (ru) Устройство дл измерени гидродинамического давлени потока гидросмеси
SU926152A1 (ru) Прессиометр
GB734662A (en) Anchor for well drilling equipment
UA12066A1 (uk) Пристрій для деформуваhhя матеріалів
GB720660A (en) Instrument for testing the hardness of materials

Legal Events

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