?url_ver=Z39.88-2004&rft_id=10.1504%2FIJOGCT.2015.067491&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Ajournal&rft.au=Pao%2C+W.&rft.aulast=Pao&rft.aufirst=W.&rft.pages=129-147&rft.atitle=Fill+removal+from+horizontal+wellbore+using+foam+in+different+coiled+tubing%2Fannulus+diameter+ratios&rft.issue=2&rft.volume=9&rft.issn=17533309&rft.date=2015&rft.title=International+Journal+of+Oil%2C+Gas+and+Coal+Technology&rft.genre=article