EP1256692A1 - Méthode et dispossitif de forage pour mésurer des paramètres géotechniques - Google Patents

Méthode et dispossitif de forage pour mésurer des paramètres géotechniques Download PDF

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Publication number
EP1256692A1
EP1256692A1 EP01111042A EP01111042A EP1256692A1 EP 1256692 A1 EP1256692 A1 EP 1256692A1 EP 01111042 A EP01111042 A EP 01111042A EP 01111042 A EP01111042 A EP 01111042A EP 1256692 A1 EP1256692 A1 EP 1256692A1
Authority
EP
European Patent Office
Prior art keywords
tubular body
instrument
drill
measure
ground
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.)
Withdrawn
Application number
EP01111042A
Other languages
German (de)
English (en)
Inventor
Massimo Sacchetto
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
Priority to EP01111042A priority Critical patent/EP1256692A1/fr
Publication of EP1256692A1 publication Critical patent/EP1256692A1/fr
Withdrawn legal-status Critical Current

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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
    • E21B7/00—Special methods or apparatus for drilling
    • E21B7/02—Drilling rigs characterised by means for land transport with their own drive, e.g. skid mounting or wheel mounting
    • E21B7/027—Drills for drilling shallow holes, e.g. for taking soil samples or for drilling postholes
    • 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
    • E21B47/00—Survey of boreholes or wells
    • E21B47/01—Devices for supporting measuring instruments on drill bits, pipes, rods or wirelines; Protecting measuring instruments in boreholes against heat, shock, pressure or the like
    • 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
    • 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

Definitions

  • the invention refers to a new ground drilling method and to a suitable means for the direct survey of geotechnical parameters. Said method characterized by using in succession a series of means that actuate step by step ground breakup and consequently greatly increase the ground penetrability grade so permitting greatest depth to be reached at a parity of the thrust given on the steel drill actuating the penetration.
  • the invented method and the realized means are to be extremely important for example in subsidence calculus and, in general, for geologic studies on the ground on a large scale.
  • a method is currently known that uses a self-moving device with a rotation tower acting in combination with a cylinder actuator able to determine a thrust on a tool-holder.
  • Said tool-holder pushes a vertical drive with an electrically-instrumented steel bit that plots, with reference to measured strength, ground resistance and water pressure of the soil.
  • This known method allows to reach a maximum depth of 50 metres inside soft ground, depth resulting to be insufficient in particular for the above-cited calculus and studies regarding the territory.
  • the invented method gives a solution to the problem by using a new combination means actuating an integrated effect that determines, in sequence, a rotation movement and a thrust on a steel drill arranged for the penetration and a water injection with axial emission that, together, breaking up the ground, are to greatly increase its penetrability grade.
  • the invented method provides, on a suitable self-moving means equipped with a rotating tower having a vertical translation device of a rotation head 1, a steel tubular body 2 having axially a measure instrument to be lowered by a cable 3 driven by a winch hoist 4.
  • Said instrument to be fixed inside the tubular body 2 by means of a radial set of some projecting parts 5 that are inserted into a reference cavity 6 so fixing the instrument inside said tubular body 2.
  • Said instrument i s pushed in rotation downward while in its interspace 7 water is injected by means of a pump 8 having a duct 9 connected to the rotation head 1 of the tubular body 2. The water falls through the interspace 7 and it flows out into the ground through the slot 9.
  • an outside coaxial part 10 is provided in the upper part. Said part to be solidly connected to the tubular body 2 having at the bottom the disgregation tool 11. Morevoer a measure instrument is axially set on the outside coaxial part 10.
  • the said measure instrument has on the upper part a collar bearing 12 and in the lower part a measure element 13, electronically-instrumented, which is formed by a drill for ground breaking mechanical strenght, and water pressure detection (piezocone). Said drill 13 protrudes from the tubular body 2 for about 40 centimetres so as to permit ground characteristic detection before disgregation.
  • the outside coaxial part is retrieved by a tool 14 supported by the cable 3.
  • Said tool 14 enters the cylindrical body 15 and it unhooks the projecting parts 5 of the hollows 6.
  • a different drill type is mounted for detection of chemical parameters or otherwise for ground sampling to be analyzed.
  • the movement system and the water injection system are continuously monitored.
  • the drilling parameters like thrust energy, rotational energy, injection fluid pressure and the speed of travel in operation to the found revolution, are used together with the strength parameters measured by the drill 13 so as to directly determine the majority of ground geotechnical parameters.
  • the suitable means to be used in the invented method is illustrated in a nonlimiting form in the drawings of sheets 1 and 2.
  • sheet 1 fig. 1 is schematicall shown an essential view of the self-moving means while working.
  • sheet 2 fig. 2 the longitudinal section view of the survey means ready to be used with the view of the upper part of the fool 14 supported by the cable 3 is shown.
  • the invented means is to be adapted according to necessity of use.

Landscapes

  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Mining & Mineral Resources (AREA)
  • Geology (AREA)
  • Physics & Mathematics (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Environmental & Geological Engineering (AREA)
  • Fluid Mechanics (AREA)
  • Geochemistry & Mineralogy (AREA)
  • Geophysics (AREA)
  • Chemical & Material Sciences (AREA)
  • Analytical Chemistry (AREA)
  • Soil Sciences (AREA)
  • Paleontology (AREA)
  • Civil Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Structural Engineering (AREA)
  • Earth Drilling (AREA)
  • Investigation Of Foundation Soil And Reinforcement Of Foundation Soil By Compacting Or Drainage (AREA)
EP01111042A 2001-05-08 2001-05-08 Méthode et dispossitif de forage pour mésurer des paramètres géotechniques Withdrawn EP1256692A1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
EP01111042A EP1256692A1 (fr) 2001-05-08 2001-05-08 Méthode et dispossitif de forage pour mésurer des paramètres géotechniques

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP01111042A EP1256692A1 (fr) 2001-05-08 2001-05-08 Méthode et dispossitif de forage pour mésurer des paramètres géotechniques

Publications (1)

Publication Number Publication Date
EP1256692A1 true EP1256692A1 (fr) 2002-11-13

Family

ID=8177346

Family Applications (1)

Application Number Title Priority Date Filing Date
EP01111042A Withdrawn EP1256692A1 (fr) 2001-05-08 2001-05-08 Méthode et dispossitif de forage pour mésurer des paramètres géotechniques

Country Status (1)

Country Link
EP (1) EP1256692A1 (fr)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102359915A (zh) * 2011-07-11 2012-02-22 湖南大学 一种车载式路基压实度快速测定仪
CN111189381A (zh) * 2020-01-13 2020-05-22 中南大学 一种基于差动原理的地层抬动检测装置
CN112088233A (zh) * 2018-03-01 2020-12-15 包尔特殊基础工程有限公司 用于建造地基元件的方法和系统
CN112963092A (zh) * 2021-04-12 2021-06-15 厦门理工学院 一种岩土工程勘察用钻探装置

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1433265A (en) * 1973-10-31 1976-04-22 Mccullogh I J Method and apparatus for simultaneously drilling and logging
US4845493A (en) * 1987-01-08 1989-07-04 Hughes Tool Company Well bore data transmission system with battery preserving switch
DE4230624A1 (de) * 1992-09-12 1994-03-17 Deutsche Aerospace Mechanischer Erdvortriebskörper
US5475309A (en) * 1994-01-21 1995-12-12 Atlantic Richfield Company Sensor in bit for measuring formation properties while drilling including a drilling fluid ejection nozzle for ejecting a uniform layer of fluid over the sensor

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1433265A (en) * 1973-10-31 1976-04-22 Mccullogh I J Method and apparatus for simultaneously drilling and logging
US4845493A (en) * 1987-01-08 1989-07-04 Hughes Tool Company Well bore data transmission system with battery preserving switch
DE4230624A1 (de) * 1992-09-12 1994-03-17 Deutsche Aerospace Mechanischer Erdvortriebskörper
US5475309A (en) * 1994-01-21 1995-12-12 Atlantic Richfield Company Sensor in bit for measuring formation properties while drilling including a drilling fluid ejection nozzle for ejecting a uniform layer of fluid over the sensor

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102359915A (zh) * 2011-07-11 2012-02-22 湖南大学 一种车载式路基压实度快速测定仪
CN112088233A (zh) * 2018-03-01 2020-12-15 包尔特殊基础工程有限公司 用于建造地基元件的方法和系统
CN112088233B (zh) * 2018-03-01 2022-05-10 包尔特殊基础工程有限公司 用于建造地基元件的方法和系统
CN111189381A (zh) * 2020-01-13 2020-05-22 中南大学 一种基于差动原理的地层抬动检测装置
CN112963092A (zh) * 2021-04-12 2021-06-15 厦门理工学院 一种岩土工程勘察用钻探装置

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