From: Cindy Barber [cindy@geotechnical-services.com.au]
Sent: Monday, 6 February 2006 7:46 PM
To: Ingrid Campbell
Subject: Re: Banjo-1A extract data
Hi Ingrid
 
Unfortunately very little comparison can be made between the Patrobus-1 and Banjo-1A extracts. There were two Patrobus-1 whole extracts run (260.55m and 259.85m), both of which look much better than the Banjo-1 sample. Essentially what we're looking for when we run whole extract GC-MS is the abundance and distribution of C12 to C31 n-alkanes. These components are present in the Patrobus-1 samples (although they are low) but are virtually absent in the Banjo-1 sample. The Banjo-1 extract is comprised mostly of polar components such as acids and esters which could probably be extracted from any old piece of rock. 
 
Cindy  
 
----- Original Message -----
From: Ingrid Campbell
To: Cindy Barber
Sent: Monday, February 06, 2006 2:34 PM
Subject: RE: Banjo-1A extract data

Hi Cindy,

 

Thanks for the quick turnaround.

The Banjo curve looks better than the Patrobus-1 one, from a layman’s observation. Can you make any comparison between the GC’s ? Ingrid

 

From: Cindy Barber [mailto:cindy@geotechnical-services.com.au]
Sent: Monday, 6 February 2006 5:08 PM
To: Ingrid Campbell
Subject: Banjo-1A extract data

 

Hi Ingrid

 

I have attached the extract data and graphic for the Banjo-1A 238.5m sample. Unfortunately, the results were a little disappointing. The extract yield was only 34ppm - the sample contains very little organic matter at all. Paraffinic components could not be identified in the whole extract GC-MS trace. Given the very low extract yields and the fact that the extract is comprised primarily of polar ester and acid type compounds, I do not recommend we go ahead with any further analyses on this sample.

 

Let me know if you have any comments or queries.

 

Regards

 

Cindy

 

Cindy Barber
Petroleum Geochemist

 

Geotechnical Services Pty Ltd
41-45 Furnace Road
Welshpool WA 6106
Australia
Ph:   +61 8 9458 8877
Fax:  +61 8 9458 8857
Email: cindy@geotechnical-services.com.au
www.geotechnical-services.com.au

 

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