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Journal : TEKNIK

Studi Laboratorium Pembuatan Demulsifier dari Minyak Kelapa dan Lemon untuk Minyak Kelapa dan Lemon untuk Minyak Bumi pada Lapangan x di Provinsi Riau Erfando, Tomi; Khalid, Idham; Safitri, Retno
TEKNIK Vol 40, No. 2 (2019): Agustus 2019
Publisher : Diponegoro University

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (490.324 KB) | DOI: 10.14710/teknik.v39i3.23656

Abstract

Demulsifier digunakan untuk mengatasi masalah emulsi minyak mentah pada saat produksi. Artikel ini memuat uji laboratorium demulsifier lokal dari minyak kelapa dan lemon dibandingkan demulsifier komersil. Parameter yang diperiksa adalah nilai pemisahan emulsi, pengaruh parameter pengujian terhadap pemisahan air secara statistik, dan water quality hasil demulsifikasi dengan uji TDS (Total Dissolved Solid) dan pH. Penelitian ini menggunakan metode saponifikasi dalam pembuatan demulsifier dan pengujian demulsifier menggunakan metode bottle test. Variasi temperatur adalah 400C, 500, 600C, 700C, dan 800C dengan konsentrasi 1ml, 3ml, dan 5 ml. Hasil penelitian menunjukkan bahwa demulsifier lokal mampu memecah emulsi di seluruh temperatur pengujian. Pemisahan tertinggi terjadi pada temperatur 600C,700C, dan 800C  dengan konsentrasi  optimal 3ml dan 5 ml dan hasil pemisahan sebesar 32 ml dan 33 ml. Di sisi lain demulsifier komersil pada temperatur 400C dan konsentrasi 5ml gagal memecah emulsi. Pengaruh temperatur dan konsentrasi terhadap pemisahan air secara berurut sebesar 42,5 %  dan 2,7%. Water quality yang baik hasil demulsifikasi terjadi pada pengujian sampel demulsifier lokal 2 dengan TDS 244 ppm dan pH 6,99.
Studi Awal Pemanfaatan Rumput Laut dan Daun Cincau Hijau Sebagai Kandidat Bahan Alternatif untuk Injeksi Polimer EOR Huljannah, Miftah; Lestari, Fitra Ayu; Erfando, Tomi
TEKNIK Vol 41, No. 3 (2020): December 2020
Publisher : Diponegoro University

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.14710/teknik.v41i3.28148

Abstract

The declining in production can occur because wells that have been producing for a long time are no longer able to lift oil to the surface in primary and secondary ways. Therefore, tertiary methods such as chemical injection like polymer flooding were carried out. Polymers commonly used in flooding polymers are divided into three namely synthetic polymers, biopolymers, and natural polymers. Natural polymers have abundant sources such as seaweed and grass jelly. This study was aimed to identify alternative renewable polymers as flooding polymer materials by knowing initial characteristics such as viscosity, compatibility and the effect of shear rates. This test wass carried out by an experimental method with several stages, namely drying, crushing to powder, and making polymers that were dissolved into brines that have different salinity. Then the polymer was allowed to stand for more than 24 hours until it was tested. The material tested was seaweed, grass jelly, and biopolymer xanthan gum as a comparison. The parameters used are polymer concentrations of 1000 ppm, 2000 ppm and 3000 ppm with each salinity of 3000 ppm, 9000 ppm and 15000 ppm. The test results showed that the characteristics of natural polymers were the same as biopolymers, the viscosity decreased as the brines salinity increased .The absence of sedimentation resulted from Seaweed and grass jelly  solution and formation water indicated that the polymers had good compatibility and  shear rate test has shown that the polymers are psuodoplastic.