July 9 (Reuters) - Swick Mining Services Ltd SWK.AX :
* It has carried out a preliminary review of the carrying value of assets as at 30 June 2015.
* Impairment and inventory obsolescence expense in the range of $20 million $25 million, will be required in FY 2015 full year results
* Impairment and inventory obsolescence expense is a noncash item and does not have any impact on cash flow
* FY 2015 full year group revenue is expected to be in the previously advised range of $125 million to $135 million
* Source text for Eikon ID:nASX42hVQK
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