@article{eage:/content/papers/10.3997/2214-4609-pdb.151.iptc13809, author = "Qayyum, T. and Khattak, K. and Qureshi, I. and Younis, N. and Malik, J.H. and Akhtar, M.S.", title = "An Innovative Perforating Technique of Multiple Gun Sizes for Multiple Casing Sizes in Single Run", journal= "", year = "2009", volume = "", number = "", pages = "", doi = "https://doi.org/10.3997/2214-4609-pdb.151.iptc13809", url = "https://www.earthdoc.org/content/papers/10.3997/2214-4609-pdb.151.iptc13809", publisher = "European Association of Geoscientists & Engineers", issn = "2214-4609", type = "", eid = "cp-151-00251", }