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Drilling Mud 
Sound Spectroscope 
Acoustic Attenuation Spectroscopy (AAS) 
Solutions to the safety of deep water drilling 
F.-M. Jäger 
IBJ Technology 
Colkwitzer Weg 7 
04416 Markkleeberg 
Germany 
fmj@ibj-technology.com 
www.ibj-technology.com 
IIBBJJ TTeecchhnnoollooggyy 
IInnggeenniieeuurrbbüürroo JJääggeerr 1
Sound Spectroscopy for drilling mud 
as a special application of the Acoustic Attenuation 
Spectroscopy (AAS) 
Previous state of the art : 
„Acoustic Attenuation Spectroscopy (AAS) is commonly used to measure 
particle size distributions (PSD) in the range 5 nm to 100 microns of 
aqueous, as well as, non-aqueous colloidal samples such as Chemical 
Mechanical Polishing (CMP) slurries, Ceramic Slips, Printing Inks, Minerals, 
Catalysts, Metal Oxides, Pigments, Cosmetics, O/W and W/O emulsions, 
and others. 
Commonly measured attenuation levels are in the range of near zero to over 
100 dB/cm in the frequency range 1-100 MHz. The percent solids level 
(discrete-phase concentration) of measured samples is typically in the range 
0.1 to 60% volume although Greenwood et. al. have used long-path 
measurements on lower-concentration samples. „ 
Acoustic Attenuation Spectroscopy for Process Control of Dispersed Systems 
J. Gabriel DosRamos, Matec Applied Sciences, 56 Hudson St., Northborough, MA 01532 USA 
IIBBJJ TTeecchhnnoollooggyy 
IInnggeenniieeuurrbbüürroo JJääggeerr Mud Sound Spectroscope 2
Sound Spectroscope detected gas bubbles 
Acoustic Attenuation Spectroscopy (AAS) 
Long Sound path without reflection on the drill pipe 
IIBBJJ TTeecchhnnoollooggyy 
IInnggeenniieeuurrbbüürroo JJääggeerr Mud Sound Spectroscope 
3 
1 inch Gas 
bubbles in water 
based mud
Sound Spectroscope detectect fluid bubbles 
Acoustic Attenuation Spectroscopy (AAS) 
Long Sound path without reflection on the drill pipe 
IIBBJJ TTeecchhnnoollooggyy 
IInnggeenniieeuurrbbüürroo JJääggeerr Mud Sound Spectroscope 
4 
immiscible liquid 
hydrocarbons in 
water based mud
Acoustic Attenuation Spectroscopy in different 
densities of mud 
water based mud 
11,3 lb/gal Bentonite 
More information on the attenuation and speed of mud: 
IIBBJJ TTeecchhnnoollooggyy 
IInnggeenniieeuurrbbüürroo JJääggeerr Mud Sound Spectroscope 
5 
process water 
http://de.slideshare.net/fmj2/experimentalstudy-measurement-of-sonic-speed-of-drilling-muds-under-shear-stress
Acoustic Attenuation Spectroscopy in different 
densities of mud 
water based mud 15,6 lb/gal 
Barite 
More information on the measurement of mud: 
IIBBJJ TTeecchhnnoollooggyy 
IInnggeenniieeuurrbbüürroo JJääggeerr Mud Sound Spectroscope 
6 
water based mud 20,2 lb/gal 
Barite 
http://de.slideshare.net/fmj2/experimentalstudy-measurement-of-sonic-speed-of-drilling-muds-under-shear-stress
Acoustic Attenuation Spectroscopy in different 
densities of mud 
0,5 inch Gas 
bubbles in 
More information on the measurement of mud: 
http://de.slideshare.net/fmj2/experimentalstudy-measurement-of-sonic-speed-of-drilling-muds-under-shear-stress 
IIBBJJ TTeecchhnnoollooggyy 
IInnggeenniieeuurrbbüürroo JJääggeerr Mud Sound Spectroscope 
7 
water based mud 
20,2 lb/gal 
Barite
Sound Spectroscope for all Solutions 
Acoustic Attenuation Spectroscopy (AAS) 
The Mud spectroscopes can be with all the 
solutions for early gas kick detection and 
combined with the inflow control devices. 
All muds, regardless of whether oil based 
or water based can be safely monitored 
with the highest densities of up to about 
20 lb / gal on inflow. 
Evaluation of sound velocity is so high 
resolution, even the smallest tributaries are 
recognized by gaseous or liquid 
hydrocarbons. 
IIBBJJ TTeecchhnnoollooggyy 
IInnggeenniieeuurrbbüürroo JJääggeerr Mud Sound Spectroscope 8
Drilling Mud Spectroscope for the Deep Sea 
Acoustic Attenuation Spectroscopy (AAS) 
Same sensors for all applications 
Sensor 
IIBBJJ TTeecchhnnoollooggyy 
IInnggeenniieeuurrbbüürroo JJääggeerr Mud Sound Spectroscope 
9 
Sensor 
Sensor 
Sensor 
Sensor
Drilling Mud Spectroscope for the Deep Sea 
Acoustic Attenuation Spectroscopy (AAS) 
IBJ technology offers its 
solutions to all interested 
parties to use. 
Patents pending 
Vorrichtung und Verfahren zur frühen 
Erkennung von Zuflüssen in 
Untergrundgasbohrungen 
Deutschland DE102014003552 
Angemeldet 12. März 2014 
Vorrichtung und Verfahren zur frühen 
Erkennung von Zuflüssen in 
Untergrundbohrungen 
Deutschland DE102014014668 
Angemeldet 1. Oktober 2014 
IIBBJJ TTeecchhnnoollooggyy 
IInnggeenniieeuurrbbüürroo JJääggeerr Mud Sound Spectroscope 10

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Drilling mud sound spectroscope

  • 1. Drilling Mud Sound Spectroscope Acoustic Attenuation Spectroscopy (AAS) Solutions to the safety of deep water drilling F.-M. Jäger IBJ Technology Colkwitzer Weg 7 04416 Markkleeberg Germany fmj@ibj-technology.com www.ibj-technology.com IIBBJJ TTeecchhnnoollooggyy IInnggeenniieeuurrbbüürroo JJääggeerr 1
  • 2. Sound Spectroscopy for drilling mud as a special application of the Acoustic Attenuation Spectroscopy (AAS) Previous state of the art : „Acoustic Attenuation Spectroscopy (AAS) is commonly used to measure particle size distributions (PSD) in the range 5 nm to 100 microns of aqueous, as well as, non-aqueous colloidal samples such as Chemical Mechanical Polishing (CMP) slurries, Ceramic Slips, Printing Inks, Minerals, Catalysts, Metal Oxides, Pigments, Cosmetics, O/W and W/O emulsions, and others. Commonly measured attenuation levels are in the range of near zero to over 100 dB/cm in the frequency range 1-100 MHz. The percent solids level (discrete-phase concentration) of measured samples is typically in the range 0.1 to 60% volume although Greenwood et. al. have used long-path measurements on lower-concentration samples. „ Acoustic Attenuation Spectroscopy for Process Control of Dispersed Systems J. Gabriel DosRamos, Matec Applied Sciences, 56 Hudson St., Northborough, MA 01532 USA IIBBJJ TTeecchhnnoollooggyy IInnggeenniieeuurrbbüürroo JJääggeerr Mud Sound Spectroscope 2
  • 3. Sound Spectroscope detected gas bubbles Acoustic Attenuation Spectroscopy (AAS) Long Sound path without reflection on the drill pipe IIBBJJ TTeecchhnnoollooggyy IInnggeenniieeuurrbbüürroo JJääggeerr Mud Sound Spectroscope 3 1 inch Gas bubbles in water based mud
  • 4. Sound Spectroscope detectect fluid bubbles Acoustic Attenuation Spectroscopy (AAS) Long Sound path without reflection on the drill pipe IIBBJJ TTeecchhnnoollooggyy IInnggeenniieeuurrbbüürroo JJääggeerr Mud Sound Spectroscope 4 immiscible liquid hydrocarbons in water based mud
  • 5. Acoustic Attenuation Spectroscopy in different densities of mud water based mud 11,3 lb/gal Bentonite More information on the attenuation and speed of mud: IIBBJJ TTeecchhnnoollooggyy IInnggeenniieeuurrbbüürroo JJääggeerr Mud Sound Spectroscope 5 process water http://de.slideshare.net/fmj2/experimentalstudy-measurement-of-sonic-speed-of-drilling-muds-under-shear-stress
  • 6. Acoustic Attenuation Spectroscopy in different densities of mud water based mud 15,6 lb/gal Barite More information on the measurement of mud: IIBBJJ TTeecchhnnoollooggyy IInnggeenniieeuurrbbüürroo JJääggeerr Mud Sound Spectroscope 6 water based mud 20,2 lb/gal Barite http://de.slideshare.net/fmj2/experimentalstudy-measurement-of-sonic-speed-of-drilling-muds-under-shear-stress
  • 7. Acoustic Attenuation Spectroscopy in different densities of mud 0,5 inch Gas bubbles in More information on the measurement of mud: http://de.slideshare.net/fmj2/experimentalstudy-measurement-of-sonic-speed-of-drilling-muds-under-shear-stress IIBBJJ TTeecchhnnoollooggyy IInnggeenniieeuurrbbüürroo JJääggeerr Mud Sound Spectroscope 7 water based mud 20,2 lb/gal Barite
  • 8. Sound Spectroscope for all Solutions Acoustic Attenuation Spectroscopy (AAS) The Mud spectroscopes can be with all the solutions for early gas kick detection and combined with the inflow control devices. All muds, regardless of whether oil based or water based can be safely monitored with the highest densities of up to about 20 lb / gal on inflow. Evaluation of sound velocity is so high resolution, even the smallest tributaries are recognized by gaseous or liquid hydrocarbons. IIBBJJ TTeecchhnnoollooggyy IInnggeenniieeuurrbbüürroo JJääggeerr Mud Sound Spectroscope 8
  • 9. Drilling Mud Spectroscope for the Deep Sea Acoustic Attenuation Spectroscopy (AAS) Same sensors for all applications Sensor IIBBJJ TTeecchhnnoollooggyy IInnggeenniieeuurrbbüürroo JJääggeerr Mud Sound Spectroscope 9 Sensor Sensor Sensor Sensor
  • 10. Drilling Mud Spectroscope for the Deep Sea Acoustic Attenuation Spectroscopy (AAS) IBJ technology offers its solutions to all interested parties to use. Patents pending Vorrichtung und Verfahren zur frühen Erkennung von Zuflüssen in Untergrundgasbohrungen Deutschland DE102014003552 Angemeldet 12. März 2014 Vorrichtung und Verfahren zur frühen Erkennung von Zuflüssen in Untergrundbohrungen Deutschland DE102014014668 Angemeldet 1. Oktober 2014 IIBBJJ TTeecchhnnoollooggyy IInnggeenniieeuurrbbüürroo JJääggeerr Mud Sound Spectroscope 10