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• W4230359466 abstract "Development of Non Petroleum Base Chemicals for Improving Oil Recovery in Indonesia Purwono Suryo; Purwono Suryo Gadjah Mada University Search for other works by this author on: This Site Google Scholar Bardi Murachman Bardi Murachman Gadjah Mada University Search for other works by this author on: This Site Google Scholar Paper presented at the SPE Asia Pacific Oil and Gas Conference and Exhibition, Jakarta, Indonesia, April 2001. Paper Number: SPE-68768-MS https://doi.org/10.2118/68768-MS Published: April 17 2001 Cite View This Citation Add to Citation Manager Share Icon Share Twitter LinkedIn Get Permissions Search Site Citation Suryo, Purwono, and Bardi Murachman. Development of Non Petroleum Base Chemicals for Improving Oil Recovery in Indonesia. Paper presented at the SPE Asia Pacific Oil and Gas Conference and Exhibition, Jakarta, Indonesia, April 2001. doi: https://doi.org/10.2118/68768-MS Download citation file: Ris (Zotero) Reference Manager EasyBib Bookends Mendeley Papers EndNote RefWorks BibTex Search Dropdown Menu nav search search input Search input auto suggest search filter All ContentAll ProceedingsSociety of Petroleum Engineers (SPE)SPE Asia Pacific Oil and Gas Conference and Exhibition Search Advanced Search AbstractThe advantages of oil as primary energy source are still unsurpassed by any other source. After primary and secondary recovery, approximately 50 % to 70 % original oil in-place were left in reservoirs. The oil left is unrecoverable by conventional means. The enhanced oil recovery or tertiary oil recovery indeed is a very promising effort in the future. The goal of this research is to develop chemicals produced from local materials which can be used to optimize recovery and minimize residual oil in the reservoir by: lowering the oil / water interfacial tension and improving mobility ratio. A laboratory experiment had been carried out to simulate the process. The porous media used in the oil displacement process was prepared from stainless steel cylinder and contain fine crushed core. It is proposed to be an artificial reservoir with dimension about 3.75 cm ID×10.8 cm L. The procedure of operation is as follows: initially the reservoir model was filled with brine until 100 % saturation. Then oil was injected into the medium to represent oil migration until water saturation become minimum (Swc), which is about 30 %. After this, the reservoir was flooded by the same brine until Sor was reached, which is about 10 %. The oil remaining in the reservoir after this water flood was then subjected to various injection of different chemicals for further oil recoveries. The experimental results show that some chemicals developed in the laboratory can be used as EOR chemicals. The oil displacement experiments show that as much as 20 % to 80 % of remaining oil can be recovered by flooding it with the chemicals. The results also show that the oil recovery depends on type of chemicals, chemical concentration, pressure and temperature, type of crude oil and the brine concentration.IntroductionAn increase of 1.3 % per year of oil production in Indonesia took place between the year 1990 and 1995. By the early 1990's, the production was 1.3 million barrels per day. However, the domestic oil consumption increased 7 to 10 % per year. Therefore, it was predicted that in the year 2010 Indonesia would become a net oil importer. Unfortunately, the production of some reservoir wells in Indonesia (old wells) decline after being expolited years by years. A new well produces crude oil with usually high oil saturation (about 70 to 90 %). On the other hand the old wells produce crude oil just with about 10 % saturation. This situation causes the operation to be uneconomic. The alternative ways to increase oil production can be done by finding new wells or using new technology for the old wells. The cost of finding a field is extremely expensive, because the chance of a successful oil well drilling is very low. In 1993, it took about a million dollar per well. Due to this expensive cost, the alternative ways will be the interesting for researches in order to increase the crude oil production. Secondary and tertiary recovery (EOR) is at present to be the good choice.EOR is an important process to produce more oil from the reservoir. Because of its importance much research has been directed towards the variables controlling the oil recovery. In 1986, Anderson made a summary of the wettability studies. The most important of his review is the rock/oil/brine interactions and the effects of wettability on the oil recovery by water flooding. Jones and Roszelle (1978) have studied the effect of permeability, whereas in 1971 Clarigde and Bondor have studied several effect on the oil mobility. The effect of chemicals on the oil recovery has also been studied. In 1959, Fayer and Peprine conducted an experimental set-up on the surfactant flooding and Maerker (1973) has investigated the effect of polymer injection on the oil recovery while Paul in 1982 conducted a set of studies on micellar-polymer flooding. In Indonesia, researches on oil recovery have been conducted in several ways such as oil displacement in simulated sandpack porous media, development of chemicals from waste materials for EOR, improving oil recovery using chemicals developed in Indonesia, and simulation of oil displacement in porous media (Purwono et al., 1995, 1996 and 1997). Keywords: clay content, reservoir, upstream oil & gas, microemulsion, concentration, surfactant, oil recovery, chemical flooding methods, non petroleum base chemical, waterflooding Subjects: Improved and Enhanced Recovery, Waterflooding, Chemical flooding methods This content is only available via PDF. 2001. Society of Petroleum Engineers You can access this article if you purchase or spend a download." @default.
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• W4230359466 title "Development of Non Petroleum Base Chemicals for Improving Oil Recovery in Indonesia" @default.
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