L073 Otway and Sydney basins experimental 'Vibroseis' survey, NSW, 1964  

Authors / CoAuthors

Moss, F.J.

Abstract

The Vibroseis method of seismic exploration was first introduced into Australia during 1963. In accordance with the programme for accelerated oil search, the Bureau of Mineral Resources employed a Vibroseis seismic party to demonstrate the performance of the method in various problem areas within the Otway and Sydney Basins, the locations of which are indicated on the regional map. The Experimental Vibroseis Seismic Survey was conducted by Seismograph Service Limited. Party 243. on behalf of the Bureau of Mineral Resources, Geology and Geophysics during the period from 11th May to 3rd October, 1964. The broad objective of the survey was to demonstrate the capabilities of the Vibroseis method in selected areas where previous conventional seismic surveys had experienced difficulties in obtaining results and where various seismic problems had been defined. The main aim of the survey was to obtain good quality results rather than a high production rate yielding poorer quality data. However, as a secondary objective, some short production traverses were recorded USing the optimum field technique developed during the course of the survey for comparison e with normal shot hole production techniques.

Product Type

dataset

eCat Id

76449

Contact for the resource

Keywords

Australian and New Zealand Standard Research Classification (ANZSRC)

• Seismology and Seismic Exploration

( {1} )

• HVC_144637

( {1} )

• Seismic Data seismic survey

( Theme )

• seismic reflection

( Theme )

• seismic velocity

( Theme )

• petroleum exploration

( {1} )

• AU-NSW

( {1} )

• Published_External

Publication Date

1965-01-01T00:00:00

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Australian Government Security ClassificationSystem    

Classification - unclassified

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Creative Commons Attribution 4.0 International Licence    

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asNeeded

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geoscientificInformation

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The "Vibroseis" method of seismic exploration, which uses as an energy source, a signal of relatively long duration with a smoothly varying frequency, was described by Crawford, Doty and Lee in "Geophysics" 'Vol XXV, No. 1. The method was introduced into Australia early in 1963. In Vol. 1, Part 2ca of the "Proceedings of the Second SyMposium", O'Donnell referred to the use of vibrators as new sources of energy in seismic exploration work. In the section on "Petroleum Exploration Techniques and Methods" in the "Report of the Second Symposium" recommendation was made suggesting the use of contractors to stimulate new advances in the industry and to show the applicability of new methods for adaptation to areas with unusual terrain and particular seismic problems. In accordance with its policies for accelerated oil search, the Commonwealth of Australia Bureau of Mineral Resources employed a contractor, from May to October 1964, to demonstrate the applicability of the "Vibroseis" method by conducting experimental surveys in several areas chosen because of their specific seismic problems. The test areas selected lie within the Otway and Sydney Basins. The objective of the surveys was to show if reasonable quality results could be achieved in the problem areas by making use of the inherent flexibility of the; "Vibroseis" method. A further objective was to assess the costs of "Vibroseis" operations as compared with those of shot hole methods.

Parent Information

Extents

[-39.0, -32.0, 138.0, 155.0]

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