OGI Autumn 2020 Digital Edition | Page 35

is needed we often use SAC305 which is a high temp lead free solder or what is specified by the down-hole engineer . The smaller Nano-d connector fits very well onto small diameter controller and bit-steering modules . It also passes the shock and vibration rigors and can be used up to 200 º C range while carrying up to 1 amp per wire .
Tool Strings : Routing and Installing electronic cable in tool strings can be difficult because of small diameters and flexible connecting sections . Cable are more easily drawn with cable using Micro-Circular and Nano-Circular connectors all along the string . They are more easily pulled with the harness through small openings in the string . Key sensor data is also protected inside the metal connector shells during use from random electrical noise . Special sensor signals can be routed with special high speed digital signal wire when needed .
Wireline Tools : Sometimes called dry line tools , will vary greatly based upon the number of conductors needed during steps like geophysical analysis and the well- development data acquisition needed about the geology below the surface , properties of a reservoir and checking for pipeline ruptures . In cased hole and other analysis applications the multiconductor cable system is needed to collect a wider range of analysis info . The cables themselves are fairly small in diameter but often need to be shielded for rugged exposure during insertion and withdrawal . Small and rugged metal connectors , such as the microcircular and micro-d style are a good choice as they offer a number of wire to wire connections and match well with the metal shielding of the overall wireline cable design . When gamma ray tools are used to check for clay volume and any increase in mineral concentration , ( which leads to potential fractures ), the shielded cable and metal connector can be electrically sealed for additional signal isolation . This insures best data reaching the surface .
Routing and Installing Electronic Cable .
Nano-PZN - Ruggedized .
Evolution in power and
Portable geophysical tools : Highly portable geophysical instrumentation devices are being used in research and ground surveillance as well in airborne and marine to analyze a wide range of sciences from petroleum and mineral exploration to measurements of groundwater levels . During transportation as well as in operations , the small , low weight electronics must also withstand shock , vibration and elevated temperatures as see in MWD applications . Changes in today ’ s active electronics are requiring power supply integrity , but at lower level current and voltages . Similarly , new mud motor design requires lower power and smoothed levels of voltage shift . Hybrid micro-d connectors fit well in many designs and newly models of miniaturized 38999 circular connectors are solving the problem .
Conclusion : Rugged Micro and Nano-sized MWD Connector and Cable systems are making life easier for modernized petroleum electronic interconnections . Improved signal acquisition and transmission have increased the reliability of data and the installation and working with new sensor technologies being applied to the industry . Application Specific cable and connectors are readily available and quickly provided for new petroleum device and development . Our leaders in this industry have lead us to Smaller , Rugged , Quickly Adaptable Interconnects . •
Omnetics / https :// www . omnetics . com + 1 763-572-0656 / sales @ omnetics . com
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