water cut analyzer

@�EI̲�,"�핍�VÌ*l�p4@E�W9MS�[=ǁ�:wl�H"vuM�_DK>{�v�G�.����"A�%%��}�'�!K.k���0i�q�`�S�������W$�"Z�A��$b6\�m� 0-1%, 0-25%, 30-60%, 80-100% , 0-100%, Documentation requirements / Welding, Radiography / Pressure Equipment Directives. Requirements of standards such as ISO3171 or API 8.2 It is a common misconception that capacitive instruments are limited to the lower segment of the non-linear capacitance vs. watercut response curve. Our specialty is to provide complete solutions where we do not only provide you with a sensor, but also make sure that the Measurement uncertainty is expressed as the 95% confidence interval or two standard deviations. providing a well conditioned stream both for inline measurement and The Analyzers, also referred to as BS&W meters or basic sediment and water meters, are used in many applications including fiscal transfer, production monitoring, and well testing. A drawback to using a density measurement for watercut occurs when process variables start to change. News. F�u��>�( � ��I+��Z��!S���i��f�(x��kR�Ē��x����x����� Q�㳙!������1��tu����^2]?C�E]cy�Au;|Ҏ-Rf5�Q�i����rdmg�0SR��g ���/���-�ޝ�Z���S��&����=�cEG%�Àa6C�� The water cut in waterdrive reservoirs can reach very high values. A BS&W monitor is primarily used in a LACT system where “off spec” crude oil is diverted. This phenomenon typically occurs at about 50% watercut in light oil and at 80% in heavy oil. The touchscreen display provides the user with a convenient touch-based navigation system. Capacitance technology has been used by the oil industry to measure watercut for almost 50 years. The water cut is the ratio of water produced compared to the volume of total liquids produced from an oil well. Good measurement can only be achieved by having a good knowledge of the dry oil density over the possible process temperature range. var prefix = 'ma' + 'il' + 'to'; Additionally the measurement section becomes very prone to clogging by wax or debris. Phase Dynamics Water-Cut Analyzers are precision real-time instruments developed specifically for use in the oil industry to measure the amount of water in oil for the petroleum industry. The watercut is expressed as a percentage of water in the total fluid stream. Each Analyzer consists of a Measurement Section, an Electronics Enclosure Section, and an interconnecting system cable. The EASZ-1 oil/water monitor is a highly accurate online analyzer that is installed in a pipe and measures the amount of water in any oil or hydrocarbon under pressure. Backed by a long history and continuous development the capacitive instruments have the key advantage of being a stable (and proven) measurement technology. No more 2 point temp factor needed, the ZT-100 will temperature compensate automatically. In addition, each analyzer manufactured by Phase Dynamics is factory calibrated, tested, and inspected under rigorous standards. This article aims at providing a basis for comparing the capabilities, advantages and disadvantages of watercut technologies. << Who can use the results apart from your primary need? must be followed to achieve correlation. The explosion proof enclosures provide for user interaction through a 4-button interface in addition to the display selected. The ZT-100’s built in logic will compensate for the vast temperature effects in the dielectric constant of the water while recognising the much smaller effects on the dielectric constant of the oil. Microwave-based systems are also superior in handling process factors that can negatively affect other watercut measurement technologies. The emulsion stream is continously monitored for capacitance and converted into percentage of water by the Watercut Monitor logic. This display option includes the data logging function. | Privacy Policy. customer requirements for documentation, material traceability and ZelenTech is a fluid measurement company specializing in Water Cut Monitors (also known as BS&W, OWD, WFM or Water in Oil Analysers) for Oil & and Gas Industry as well as Water In Oil Monitors for lubrication systems in Heavy Machinery and Marine applications, 2014 © ZelenTech - All Rights Reserved. Email either or both to This email address is being protected from spambots. Workmanship and material standards include these items: The Measurement Section is the portion of the Analyzer that contains the sensing elements where fluids are flowing at process conditions. The data interface includes MODBUS, HART, analog I/O, pulse input, and alarm relays. It is an essential parameter together with the GOR (gas to oil ratio) of crude oil, as they clearly indicate the content of water in the reservoir fluids. Typical capacitance instruments utilize multipoint calibration curve to tie capacitance reading to tie water content. Users should have at least a basic understanding of the strengths and weaknesses of each technology. For water driven wells the percentage can give crucial information to optimise water injection rates. Designed in accordance with standards such as API 8.2 and ISO 3171. stream Phase Dynamics Water-Cut Analyzers are precision real-time instruments developed specifically for use in the oil industry to measure the amount of water in oil for the petroleum industry. As the mixture of flowing liquids passes through the measurement section, the oscillator senses the entire cross section of the material and instantaneously shifts in frequency as the material composition changes. Water Cut is the ratio of produced water compared to the volume of the total produced fluids in a well. quality assurance. EESIFLO International manufactures water-cut analyzers with built in integral mixing elements upstream of our EASZ-1 Water in Oil sensor, thereby creating a homogeneous mixture as it enters the sensing element. /Filter /FlateDecode Density relies on the dissimilar densities. Local and remote indication requirements/ Signal Output Requirements, Mixer Requirements – Integral static mixer (EESIMIX), Sample Port Requirement (downstream of the mixer). Water and Oil do not normally mix and gravitational separation causes oil to travel along the top of the pipe and the water to travel along the bottom creating a phenomenon called "bottom water". Water cut is an important parameter along with the ‘Gas to Oil Ratio’ (GOR) of a crude oil to clearly indicate the water content in reservoir fluids.. We have added decades of knowledge and experience to overcome problems normally associated with capacitance probes. 4. CSA: Class1, Division 1, Groups C and D; Class1, Zone 1, Group IIB, NDE / NDT - Non Destructive Examination / Testing. Flow rates of 2 feet per second to 14 feet per second are recommended to assure the best measurement. Selecting a watercut monitor is a daunting task. Criteria for selecting measurement technology include sensor range, process parameters, expected accuracy, piping specification, maintenance requirements and price. Water Cut Analyzers. The Measurement Section is available in four flow configurations. not a weak link. Primary disadvantages is the high initial cost relative to other technologies as well as its sensitivity to salinity changes in the high range. Available sizes 1" … You need JavaScript enabled to view it. �~��j�#��z� �'m�Э���g҂O��>�"p����j0�Q4�=��79}g%\ �L�7�������μ~R���)__�n$�*)\TYR��Q �Q����4�[��`h'�FU� M���fyR��ڍ+0 ��`hg�v`tHL��%m����ڍ�J]�����^��9RܿHj���ݸl0r���`hg�(���S��*c�,����o�H���^�� �V�D���C��oM1�A8��sp�!�G�A�+d�=�AiZҏ�~ogd�m₌�� _�,%0��*b��B&��gi�va҂�i����"��2�����~��D�xm�yS����`�f�F� � -lWP�"��n��7V;ݍ˖T��-$-8��ܐs���J�. Three are flow-through types configured as "L", "U", and "Z" shapes, and one is an insertion type. From a sensor technology perspective alone, Phase Dynamics sets the standard. Ability to accomodate a vast variety of Piping Specifications ensures Process connections are through ANSI Class 150#, 300#, 600#, 900#, and 1500# flanges. We also manufacture separate inline static mixers (EESIMIX) but the integral spool piece design is often preferred since a single spool piece will homogenize and analyze the fluid in one product. Attenuation of the microwave signal will change in direct proportion to the water content. provide advice and guidance so that the sensor will get a representative Fig. var addy88094 = 'sales' + '@'; It can only be well used further downstream when parameters such as dry oil density is stable and well known. The ZT100, correctly installed with proper stream conditioning, can be The stream through Figure 2 shows a typical relationship between capacitance and water content. The American Petroleum Institute refers to this as OWD or On-Line Water Determination. There are two display options, a 6-inch color touchscreen or a 4-line x 20-character LCD. Emerson is where technology and engineering come together to create solutions for the benefit of our customers, driven without compromise for a world in action. The second large advantage, only available with this technology, is that it is unaffected by changes in density, salinity and entrained gas. Water cut B. Fig. The continued success comes not only from the fact that capacitance technologies  was first on the market, but the fact that it does a pretty good job in the most common ranges, this at reasonable prices. Spectroscopy-based measurements do not perform well for sites that have cut ranges of 0 – 3% water, for example LACT applications. The method is relatively insensitive to the effects of smaller changes in hydrocarbon composition, as well as water salinity.

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