Wireline Geophysical Logging Services

Geophysical surveys will be carried out in mine shafts or boreholes to determine the hydrogeological, geochemical and physical conditions.

Surveys will be required in a wide variety of mine shafts (both coal and metal mines) and boreholes across the UK.

Shafts and boreholes may be up to approximately 1000m in depth and with diameters ranging from approximately 50mm to >5m.

Boreholes and shafts are present in a wide variety of settings including coal mines, metal mines, water boreholes and environmental observation boreholes.

The age and condition of the shafts and boreholes is highly variable and includes dry and flooded conditions, mine gases present/not present, variable geological formations, open hole constructions, metal/plastic lined constructions, concrete/brick constructions and others.

This tender will be operated through our procurement portal InBye

Additional information: Coal Authority tenders are now being undertaken by the Authority's eTender portal InBye, details of how to register are attached to this notice.

Should you wish to participate in any electronic tender exercise you will need to register your company details, which will require the provision of some company information and agreement to terms and conditions to access the system.

Use of the system is free of charge.

In order to register please log on to https://inbye.coal.gov.uk/s2c/

Should you have any difficulties with this procedure, please contact Peter Kobryn - peterkobryn@coal.gov.uk