@article{eage:/content/papers/10.3997/2214-4609-pdb.151.iptc13229, author = "Gala, D.M. and Vieira, P.", title = "Advancement in Drilling Increases Penetration Rates in Deep, Hard and Abrasive East Texas Formation", journal= "", year = "2009", volume = "", number = "", pages = "", doi = "https://doi.org/10.3997/2214-4609-pdb.151.iptc13229", url = "https://www.earthdoc.org/content/papers/10.3997/2214-4609-pdb.151.iptc13229", publisher = "European Association of Geoscientists & Engineers", issn = "2214-4609", type = "", eid = "cp-151-00042", }