Dowhole AE measurement technique and its application to geothermal fields--

Journal Article · Sat Oct 01 04:00:00 EDT 1988 · Journal of Acoustic Emission; (USA)

OSTI ID:6969749

Niitsuma, H ^[1]; Acoust, J ^[2]

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1. Tohoku Univ., Sendai (JP)
2. Emiss. (US)

Downhole AE measurement technique and its applications are reviewed. Three dimensional particle motion of AE wave is detected by a downhole sonde, and evaluation of AE activity, AE source location by tri-axial hodogram method, shear-wave splitting analysis, source mechanism analysis etc. are carried out in the measurement. A combined technique of a pressure build-up test of geothermal p production wells and the downhole AE measurement has been developed and effectively used to reveal a structure and behaviour of geothermal reservoir system at Kakkonda field in Japan. AE evaluation and control of hydraulic stimulation of geothermal well drilling and other applications by using the downhole AE technique are now being investigated.

• OSTI ID: 6969749
• Journal Information: Journal of Acoustic Emission; (USA), Journal Name: Journal of Acoustic Emission; (USA) Vol. 7:4; ISSN 0730-0050; ISSN JACED
• Country of Publication: United States
• Language: English

Related Subjects

15 GEOTHERMAL ENERGY
150301 -- Geothermal Exploration & Exploration Technology-- Geophysical Techniques & Surveys
150906* -- Geothermal Engineering-- Reservoir Stimulation & Extraction Technology
ACOUSTIC EMISSION TESTING
ACOUSTIC TESTING
COMMINUTION
DRILLING
FRACTURING
GEOTHERMAL FIELDS
GEOTHERMAL WELLS
HYDRAULIC FRACTURING
MATERIALS TESTING
NONDESTRUCTIVE TESTING
STIMULATION
TESTING
WELL DRILLING
WELL STIMULATION
WELLS