Items where Author is "Ratna Widyaningsih, Ratna"

Article

Ratna Widyaningsih, Ratna (2017) Pengaruh Konsentrasi Surfaktan Anionik Terhadap Salinitas Optimum dalam Mikroemulsi Spontan dengan Sample Minyak Lapangan M. Jurnal Mineral, Energi, dan Lingkungan. pp. 61-66. ISSN 2549-7197

Conference or Workshop Item

Ratna Widyaningsih, Ratna and Edgie Yuda Kaesti, Edgie and Mia Ferian Helmy, Mia (2018) Sosialisasi Tentang Sumber Daya Energi pada Siswa Sekolah Dasar SD Purwomartani. In: Prosiding Seminar Nasional Ke-4 Sains dan Teknologi "Aplikasi Riset dalam Dunia Industri untuk Kemajuan Bangsa", 9 Oktober 2018, Yogyakarta.

Suranto, Suranto and Boni, Swadesi and Ratna Widyaningsih, Ratna (2018) Studi Laboratorium dan simulasi reservoir untuk meningkatkan perolehan minyak menggunakan injeksi polimer. In: Prosiding Seminar Nasional Ke-4 Sains dan Teknologi "Aplikasi Riset dalam Dunia Industri untuk Kemajuan Bangsa", 9 Oktober 2018, Yogyakarta.

Ratna Widyaningsih, Ratna and Wisup Bae, Wisup and Sungmin Jung, Sungmin and Byungun, Byungun and D.Shanty A Gunadi, Shanty (2014) Surfactants Synergism for Achieving the Optimus Salinity in Low-Sal Reservoir. In: The Korean Society Of Mineral And Energy Resources Engineers.

Ivan Efriza, Ivan and Wisup Bae, Wisup and Sungmin Jung, Sungmin and Ratna Widyaningsih, Ratna and Byungun Min, Byungun and Wonson Ryoo, Wonson and Byungjo Kim, Byungjo (2013) Comparison of Oil Recovery by as and ASP Flooding for Medium Heavy Oil Reservoir - An Experimental Study. In: The Korean Society Of Mineral And Energy Resources Engineers, 17-18.10.2013.

Akmaral A. Netzhanova, Akmaral and Wisup Bae, Wisup and Truong H. Nguyen, Truong and Trianto A. Gunadi, Trianto and Ratna Widyaningsih, Ratna and Madi. Abdullah. Naser, Madi and Bambang Gunadi, Bambang and Asep K. Permadi, Asep (2013) Evaluating Breaker Performance in the Clean-up of Damaged Fractures. In: The Korean Society Of Mineral And Energy Resources Engineers, 17-18.10.2013.

Sungmin Jung, Sungmin and Wisup Bae, Wisup and Ivan Efriza, Ivan and Ratna Widyaningsih, Ratna and Byungun Min, Byungun and Inwon Kim, Inwon and Byungjo Kim, Byungjo (2013) Investigation of The Effect of ASP Slug Sizes On Oil Recovery. In: The Korean Society Of Mineral And Energy Resources Engineers.

Dwi Shanti A. Gunadi, Shanty and Wisup Bae, Wisup and Bambang Gunadi, Bambang and Trianto A. Gunadi, Trianto and Ratna Widyaningsih, Ratna and Sungmin Jung, Sungmin and Akmaral Netzhanova, Akmaral (2013) Water Shut-off Treatment, Effects of Different Molecular-Weight Polymers on Gelation Time With Chromium Triacetate Crosslinker. In: The Korean Society Of Mineral And Energy Resources Engineers, 17-18.10.2013.

Suranto, Suranto and Wisup Bae, Wisup and Ratna Widyaningsih, Ratna and Muslim Muslim, Muslim and Trianto A. Gunadi, Trianto and Asep K. Permadi, Asep (2013) Managing of Hybrid Steam-Solvent Injection Distribution for Maximizing Recovery Factor in Heterogeneos Reservoir. In: SPE Kuwait Oil and Gas Show and Conference, 7-17.10.2013, Mishref, Kuwait.

Ivan Efriza, Ivan and W.S Bae, Bae and Sungmin Jung, Sungmin and Ratna Widyaningsih, Ratna (2012) Laboratory Study, Optimum Formulation of Alkaline-Surfactant-Polymer Flooding. In: The Korean Society Of Mineral And Energy Resources Engineers.

Book

Sutarto, Sutarto and Ratna Widyaningsih, Ratna and Ristiyan Ragil, RR (2020) Buku Panduan Aplikasi Ujian Komprehensif RASPER-UPN. LPPM UPN Veteran Yogyakarta. ISBN 978-623-91967-3-8

Suranto, Suranto and Ratna Widyaningsih, Ratna (2020) Pemodelan Injeksi Sufaktan-Polimer Dalam Pengurasan Minyak. LPPM UPN Veteran Yogyakarta. ISBN 978-623-5539-80-5

Ratna Widyaningsih, Ratna and Edgie Yuda Kaesti, Edgie and Mia Ferian Helmy, Mia Ensiklopedia Bumi dan Energi. LPPM UPN Veteran Yogyakarta.

Suranto, Suranto and Ratna Widyaningsih, Ratna Pemodelan Injeksi Air Dengan Salinitas Rendah dalam pengurasan minyak ringan. LPPM UPN Veteran Yogyakarta.