نتایج جستجو برای: oilfield chemicals
تعداد نتایج: 45956 فیلتر نتایج به سال:
Manuscript for Applied and Environmental Microbiology 1 2 Application of denaturing high-performance liquid chromatography (DHPLC) for monitoring 3 sulfate reducing bacteria in oilfields 4 5 Outi Priha, Mari Nyyssönen, Malin Bomberg, Arja Laitila, Jaakko Simell, Anu Kapanen and 6 Riikka Juvonen 7 8 VTT Technical Research Centre of Finland, Tietotie 2, Espoo, Finland 9 Kemira, Luoteisrinne 2, Es...
The objective of this paper is to present a unified modeling framework to address the issues of uncertainty and complex fiscal rules in the development planning of offshore oil and gas fields which involve critical investment and operational decisions. In particular, the paper emphasizes the need to have as a basis an efficient deterministic model that can account for various alternatives in th...
Engineering development activities rely on computer-based models, which enclose technical data issued from different sources. In this heterogeneous context, retrieving, re-using and merging information is a challenge. We propose to annotate engineering models with concepts of domain ontologies, which provide data with explicit semantics. The semantic annotation makes it possible to formulate qu...
Asphaltene Precipitation and the Influence of Dispersants and Inhibitors on Morphology Probed by AFM
Bridging the gap between laboratory-scale experiments and actual oilfield operations is a complex task that requires compromise real (authentic) fluids model systems. Commercial products (i.e., asphaltene inhibitors dispersants) are often designed to target wide range of operating conditions compositions crude oils, which means performance becomes almost case-specific. Through Atomic Force Micr...
Supervisory Control And Data Acquisition (SCADA) systems have been widely used in industry applications. Due to their application specific nature, most SCADA systems are heavily tailored to their specific applications. For example, a remote terminal unit (RTU) that monitors and controls a production well in an oilfield is only connected with a few sensors at the well it resides. The RTU usually...
Determining injector-producer relationships, i.e., to quantify the inter-well connectivity between injectors and producers in a reservoir, is a complex and non-stationary problem. In this paper, we present a neural-network-based sensitivity analysis approach to address this problem. To the best of our knowledge, sensitivity analysis has never been applied for identification of the injector-prod...
Background and aims In the most chemical process industries, workers are exposed to various chemicals and working with these chemicals without considering safety and health considerations can lead to different harmful symptoms. For deciding about control measures and reducing risk to acceptable level , it is necessary to assess the health risk of exposing to harmful chemicals by aid of specif...
The Carboniferous Karashayi Formation in Tahe Oilfield is one of the most promising formations field clastic rocks Oilfield, which rich hydrocarbon resources, but stratigraphic framework unclear, restricts exploration formation. features and seismic section analysis area combined with oil gas distribution are used to analyze reservoir control factors Formation. results show that lower part sedi...
The development history and principle of interwell tracer testing single-well were investigated, the application conditions advantages different analyzed through analysis two types technologies test results in production process SMi oilfield with medium porosity low permeability, so as to provide reference for study same type oilfield. Tracer technology can master connection between injection w...
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