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NOEGROHO HADI HS
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Chemical Engineering, Chemistry & Bioengineering Earth & Planetary Sciences Energy Engineering Environmental Science

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MICROBIAL CORROSION IN OIL INDUSTRY: A PRELIMINARY SURVEY OF THE PROBLEM NOEGROHO HADI HS NOEGROHO HADI HS
Scientific Contributions Oil and Gas Vol. 5 No. 2 (1982): SCOG
Publisher : Testing Center for Oil and Gas LEMIGAS

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29017/scog.5.2.115

Abstract

In 1977 Warren Spring Laboratory was authorised by the Engineering Materials Require ments Board of the Department of Industry to carry out a limited survey on the extent and magnitude of microbial corrosion in British Industry. The need for the survey arose because, despite all the microbial corrosion work which has been carried out in the past and the protection techniques which have been developed, microbial corrosion incidents con- tinue to occur, often causing considerable financial loss to industry. A questionnaire which would enable as much information as possible on microbial corrosion to be obtained from a wide variety of firms and organisations conceined in the manufacture and use of metal equipment. Since microbial corrosion has been most com- monly encountered as a problem with buried ferrous metals, considerable work has been done to develop techniques for assessing soil aggressiveness, Several of the survey questions were therefore directed to determine whether the recommended techniques were being applied, how effective these techniques were and of further experimental work was required. The economics of microbial corrosion protection were another area for which infor- mation was sought since the ultimate aim of a soil aggressiveness assessment is to enable the degree of protection given to a buried structure to be directly related to the measured aggressiveness, Thus unnecessary protection would be avoided.
MICROBIAL EOR STUDY TO IMPROVE SWEEP EFFICIENCY IN CALTEX FIELDS PHASE 1 – NUTRIENT SELECTION Sri Kadarwati; M. Udiharto; Noegroho Hadi Hs; Joseph P. Brinkman; Bangun Yulianto
Scientific Contributions Oil and Gas Vol. 25 No. 2 (2002): SCOG
Publisher : Testing Center for Oil and Gas LEMIGAS

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29017/scog.25.2.147

Abstract

The objective of this research is to find a cost effective nutrient that will stimulate the growth of in-situ microbes in Caltex Pacific Indonesia (CPI) oil fields to create sufficient biological products to plug high-permeability reservoir thief zones. If successful, injection fluids may be diverted into unswept regions of the reservoir, increasing the sweep efficiency und extending the production life of watered- out oil fields. This paper describes how a wide range of nutrients were researched and tested in the laboratory to achieve the objective. The primary findings of this study show that several primary nutrients were successful at creating bioproducts at high temperature, low salinity, reservoir conditions, and that molasses may be the most cost effective nutrient for all three CPI waterflooded reservoirs tested: Balam South, Bangko, and Minas fields. As a result of this work, laboratory studies were started to see to if the microbial growth created in laboratory test tubes can be recreated within reservoir core plugs to achieve sufficient permeability reduction to justify field trial (s). The core flood process and techniques will be presented in a separate paper.
SELECTED INDONESIAN MICROBES POTENTIALS FOR MEOR S. Kadarwati; M. Udiharto; Noegroho Hadi Hs; Indria Doria
Scientific Contributions Oil and Gas Vol. 25 No. 3 (2002): SCOG
Publisher : Testing Center for Oil and Gas LEMIGAS

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29017/scog.25.3.156

Abstract

Oil recovery can be increased through the activities of microbes in a process known as Microbial Enhanced Oil Recovery (MEOR). MEOR technology has been implemented in a number of oil producing companies and has proven to have a good prospect, environmentally friendly and low cost. The microbes which proliferate in Indonesian oil fields should be subjected to laboratory identification. Samples of formation water, oil, and soil were taken from various oil fields. These oil fields were selected on account of their reservoir temperatures which promise optimum growth of microbes. In order that MEOR can be applied in these oil fields, the existing microbes in their oil wells were isolated and identified. Based on the results of isolation and identification activities several indigenous bacteria species were obtained from the oil well environment. The potential of each bacteria species for use in MEOR process depends on their ability to live and grow in the reservoir environment as well as the bioproducts produced, such as biosurfactant, bioacid, and biosolvent. The bioproducts produced depend on the inherent capability of the isolate as well as the support of the medium and environmental condition. From the tests of their capability to grow in hydrocarbons, and live in semianaerobic condition, 12 isolates, were selected and some isolates were found to produce such bioproducts. The selected microbes and nutrient have been experimented by using microbial core flooding apparatus. The result has a good prospect for implementation in the oil field.
Co-Authors Bangun Yulianto Indria Doria Joseph P. Brinkman M. Udiharto S. Kadarwati Sri Kadarwati