?url_ver=Z39.88-2004&rft_id=10.1016%2Fj.petrol.2016.07.016&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Ajournal&rft.au=Huang%2C+W.&rft.aulast=Huang&rft.aufirst=W.&rft.title=Journal+of+Petroleum+Science+and+Engineering&rft.atitle=Surface+chemistry+and+rheological+properties+of+API+bentonite+drilling+fluid%3A+pH+effect%2C+yield+stress%2C+zeta+potential+and+ageing+behaviour&rft.pages=561-569&rft.volume=146&rft.date=2016&rft.issn=09204105&rft.genre=article