RU95121162A - METHOD FOR MEASURING THE SPEED OF SPREADING OF ACOUSTIC ULTRASONIC WAVES IN PIECES OF ROCK - Google Patents

METHOD FOR MEASURING THE SPEED OF SPREADING OF ACOUSTIC ULTRASONIC WAVES IN PIECES OF ROCK

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Publication number
RU95121162A
RU95121162A RU95121162/28A RU95121162A RU95121162A RU 95121162 A RU95121162 A RU 95121162A RU 95121162/28 A RU95121162/28 A RU 95121162/28A RU 95121162 A RU95121162 A RU 95121162A RU 95121162 A RU95121162 A RU 95121162A
Authority
RU
Russia
Prior art keywords
rock
ultrasonic waves
acoustic ultrasonic
pieces
measuring
Prior art date
Application number
RU95121162/28A
Other languages
Russian (ru)
Other versions
RU2182318C2 (en
Inventor
Марзала Альберто
Цауза Фабрицио
Сантарелли Фредерик
Original Assignee
Аджип С.п.А.
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
Priority claimed from ITMI942526A external-priority patent/IT1271276B/en
Application filed by Аджип С.п.А. filed Critical Аджип С.п.А.
Publication of RU95121162A publication Critical patent/RU95121162A/en
Application granted granted Critical
Publication of RU2182318C2 publication Critical patent/RU2182318C2/en

Links

Claims (5)

1. Способ измерения скорости распространения акустических ультразвуковых волн в кусках горной породы, образующихся непосредственно при бурении скважин в нефтедобывающей промышленности и имеющих диаметр менее 1 см и средний радиус пор более 50 мкм, отличающийся тем, что включает размещение каждого куска породы между двумя пьезоэлектрическими преобразователями с соединительной жидкостью между куском породы и преобразователями; пропускание акустических ультразвуковых волн через анализируемый кусок породы, генерируемых импульсным генератором при длительности импульса от 0,1 до 20,0 мкс; визуализацию полученных электрических сигналов на осциллографе с разрешением по меньшей мере 10-2 мкс; измерение времени прохождения волн.1. The method of measuring the propagation velocity of acoustic ultrasonic waves in pieces of rock formed directly during drilling in oil industry and having a diameter of less than 1 cm and an average pore radius of more than 50 μm, characterized in that it comprises placing each piece of rock between two piezoelectric transducers with connecting fluid between a piece of rock and transducers; transmission of acoustic ultrasonic waves through the analyzed piece of rock generated by a pulse generator with a pulse duration of from 0.1 to 20.0 μs; visualization of the received electrical signals on an oscilloscope with a resolution of at least 10 -2 μs; measurement of travel time of waves. 2. Способ по п. 1, отличающийся тем, что длительность импульса составляет предпочтительно от 0,1 до 2,0 мкс. 2. The method according to p. 1, characterized in that the pulse duration is preferably from 0.1 to 2.0 μs. 3. Способ по п. 1, отличающийся тем, что акустические ультразвуковые волны могут быть волнами сжатия или сдвига. 3. The method according to p. 1, characterized in that the acoustic ultrasonic waves can be compression or shear waves. 4. Способ по п. 1, отличающийся тем, что вязкость соединительной жидкости составляет от 200 до 800 П. 4. The method according to p. 1, characterized in that the viscosity of the connective fluid is from 200 to 800 P. 5. Способ по п. 1, отличающийся тем, что устройство содержит усилитель с переменным усилением. 5. The method according to p. 1, characterized in that the device comprises an amplifier with variable gain.
RU95121162/28A 1994-12-15 1995-12-14 Method of measurement of acoustic supersonic wave velocity in rock pieces RU2182318C2 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
ITMI942526A IT1271276B (en) 1994-12-15 1994-12-15 METHOD FOR MEASURING THE SPEED OF ULTRA-SOUND ACOUSTIC WAVES THROUGH ROCK FRAGMENTS
ITMI94A002526 1994-12-15

Publications (2)

Publication Number Publication Date
RU95121162A true RU95121162A (en) 1997-12-10
RU2182318C2 RU2182318C2 (en) 2002-05-10

Family

ID=11369993

Family Applications (1)

Application Number Title Priority Date Filing Date
RU95121162/28A RU2182318C2 (en) 1994-12-15 1995-12-14 Method of measurement of acoustic supersonic wave velocity in rock pieces

Country Status (9)

Country Link
US (1) US5691475A (en)
EP (1) EP0717272B1 (en)
CA (1) CA2165260C (en)
DE (1) DE69533083T2 (en)
DK (1) DK0717272T3 (en)
ES (1) ES2220917T3 (en)
IT (1) IT1271276B (en)
NO (1) NO313948B1 (en)
RU (1) RU2182318C2 (en)

Families Citing this family (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE19830196C2 (en) * 1998-07-06 2000-11-30 Roland Braun Method for determining the spatial rock and rock anisotropy as well as the rock stress condition on test specimens
KR100445371B1 (en) * 2002-03-15 2004-08-25 한국지질자원연구원 Seismic wave velocity measurment system for unconsolidated sediment cores
US8098543B2 (en) * 2007-01-05 2012-01-17 Westerngeco L.L.C. Estimation of stress and elastic parameters
US8885440B2 (en) * 2007-01-05 2014-11-11 Madhumita Sengupta Constructing velocity models near salt bodies
US9222350B2 (en) 2011-06-21 2015-12-29 Diamond Innovations, Inc. Cutter tool insert having sensing device
RU2573620C1 (en) * 2014-10-03 2016-01-20 Шлюмберже Текнолоджи Б.В. Method of determining acoustic wave velocity in porous medium
AT520557B1 (en) * 2018-01-24 2019-05-15 Anton Paar Gmbh Method for determining a corrected value for the viscosity-dependent speed of sound in a fluid to be examined
US10851641B2 (en) 2018-09-05 2020-12-01 Saudi Arabian Oil Company Acoustic testing of core samples
CN113945501A (en) * 2021-10-15 2022-01-18 中国矿业大学(北京) Rock permeability and longitudinal and transverse wave velocity joint measurement system
US11920460B2 (en) 2021-12-08 2024-03-05 Saudi Arabian Oil Company Identifying formation layer tops while drilling a wellbore
US11920467B2 (en) 2022-01-13 2024-03-05 Saudi Arabian Oil Company Minimization of drill string rotation rate effect on acoustic signal of drill sound

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4002221A (en) * 1972-09-19 1977-01-11 Gilbert Buchalter Method of transmitting ultrasonic impulses to surface using transducer coupling agent
US3995501A (en) * 1974-10-29 1976-12-07 Phillips Petroleum Company Shear and compression wave testing and measuring device
US4365516A (en) * 1978-01-06 1982-12-28 Rockwell International Corporation Ultrasonic couplant gel compositions and method for employing same
US4933911A (en) * 1989-09-01 1990-06-12 Amoco Corporation Method for determining seismic velocities

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