Excitation device and method for downhole seismic testing using the same

摘要: An excitation device for downhole seismic testing, includes an hammer, a holding arm connected at one end thereof to the hammer allow rotate about other thereof, support post having of rotatably coupled upper and certain height, source configured stand upright on side which generates wave when struck by rotated hammer. The is formed lower with securing section detachably inserted into groove such that post, arm, can be separated from each other.