May 25 (Reuters) - Swick Mining Services Ltd SWK.AX
* Acquisition of minority shareholders' stakes in orexplore for $2.9 million
* Announces share placement to fund buyout of minorities in Orexplore AB and help fund commercialisation phase of Orexplore business
* Share placement to raise $4.9m Source text for Eikon: Further company coverage: SWK.AX