Sorry list, I had the list moderated until I was sure that messages would be screened for the 'ILOVEYOU' virus. Posting from now on should go as normal. Samir Ladha IT Specialist Geosoft Inc. Date: Thu, 4 May 2000 15:53:37 -0400 To: [EMAIL PROTECTED] From: John Greenhouse <[EMAIL PROTECTED]> Subject: Re: [SEGMIN]: slotted casing In-Reply-To: <[EMAIL PROTECTED]> Mime-Version: 1.0 Content-Type: text/plain; charset="us-ascii" John: I do not have detailed answers to your questions but several several years ago we installed a casing that was simple bored randomly with a 0.5 inch drill, used to demonstrate resistivity (normal) logging in glacial overburden at the University of Waterloo. All I can remember of the results was that I was surprised how well it worked. Even a very nominal perforation appeared to have a fairly low "contact" resistivity. John Greenhouse Dillon Consulting. John Greenhouse 22 Duke Street Conestogo, Ontario, N0B 1N0 519-664-1214 OR Cell-phone 519-574-6069 OR Hyd-Eng Geophysics 170 Ambassador Dr., Unit 11 Mississauga, Ontario L5T 2H9 905-564-7355 OR CRESTtech Waterloo Office 200 University Avenue W. Waterloo, ON N2L 3G1 519-888-4547, 888-4330(FAX) _______________________________________________________ List archive: http://www.mail-archive.com/[email protected]
