Field Equipment USER MANUAL May 2020 NuSeis System GEOPHYSICAL TECHNOLOGY INC | WWW.GEOPHYSICALTECHNOLGY.
FIELD EQUIPMENT NUSEIS Document Identifier: Field Equipment This document describes the NuSeis Field Equipment. This manual is believed to be correct and accurate, however Geophysical Technology Inc reserves the right to make changes to products, software or specifications without notice at any time to improve performance, reliability, and functionality.
FIELD EQUIPMENT NUSEIS Contents Chapter 1 Introduction ................................................................................................................................. 5 Overview ................................................................................................................................................... 6 Handling ....................................................................................................................................................
FIELD EQUIPMENT NUSEIS Panel Overview ................................................................................................................................... 33 Data Management Panel Use ............................................................................................................. 34 Optional TransferJet Data Management Panel ...................................................................................... 35 Panel Overview ..................................................
FIELD EQUIPMENT NUSEIS Automated Deployment System V3 ....................................................................................................... 68 ADS V3 Specifications..............................................................................................................................
FIELD EQUIPMENT NUSEIS Chapter 1 Introduction Geophysical Technology Inc Field Equipment Page | 5
FIELD EQUIPMENT NUSEIS Overview Figure 1 • • • • • • • The most important part of the NuSeis Ecosystem is the field equipment. The NRU-1C is deployed in the field to record seismic data. The data is recorded in proprietary format on a uSD card. The data is extracted and output in SegY format by NuScribe. Deployment of the NRU in the field can be done with several different methods. Manual deployment and retrieval tools can be used for most applications.
FIELD EQUIPMENT NUSEIS ❖ Handling of all NuSeis equipment should be done in accordance with precautions and instructions described in the NuSeis Manuals. ❖ NRUs should be handled with care. Avoid dropping or throwing the nodes to cause a heavy shock to be translated into the internal electronics. Use the prescribed transportation and handling methods, never transport the NRUs loose in a vehicle or box/bag that will allow the NRU to slam together during transport.
FIELD EQUIPMENT NUSEIS Chapter 2 NRU-1C User Manual Statement – FCC This device complies with Part 15 of the FCC Rules. Operation is subject to the following two conditions: 1.
FIELD EQUIPMENT NUSEIS 2. This device must accept any interference received, including interference that may cause undesired operation. Changes or modifications not expressly approved by the party responsible for compliance could void the user’s authority to operate the equipment. This equipment has been tested and found to comply with the limits for a Class B digital device, pursuant to Part 15 of the FCC Rules.
FIELD EQUIPMENT NUSEIS NRU-1C M Series Specifications Seismic Data Channel 1 Component ADC Resolution 24-Bit Delta Sigma Preamplifier Gain Programmable 0dB to 42dB in 6dB steps Anti-alias Filter 206.5Hz @ 2ms, 413Hz @ 1ms Linear Phase and Minimum Phase Operating Temperature Range -40°C to +60°C Weight 0.862 kg, 1.9 lbs. Dimensions Max 50.5mm tube 299 mm long Max 1.988” tube 11.77” long Battery Acquisition Channel @2ms sample interval, 25°C, 31.
FIELD EQUIPMENT NUSEIS NRU-1C N Series Specifications Seismic Data Channel 1 Component ADC Resolution Preamplifier Gain 24-Bit Delta Sigma Programmable 0dB to 42dB in 6dB steps Anti-alias Filter Operating Range 206.5Hz @ 2ms, 413Hz @ 1ms Linear Phase and Minimum Phase Temp. -40°C to +60°C Altitude 4572 m Humidity 0-100% Immersion IP68 Indoor, outdoor, arid, swamp, marsh, wetland, etc… Environment Weight Dimensions GNSS 0.693 kg, 1.53 lbs. Max 53.
FIELD EQUIPMENT NUSEIS NRU-1C Block Diagram Figure 2 Geophysical Technology Inc Field Equipment Page | 12
FIELD EQUIPMENT NUSEIS NRU-1C Description Physical • The case of the NRU-1C consists of 4 parts. o Bottom Assembly – a tapered high strength tube that encases the NRU clamshell assembly, battery, and geophone element. The shape and design enhance the NuSeis EarthGrip technology. The N Series bottom assembly is shorter and slightly broader in comparison to the M series bottom assembly ▪ The joint between the Bottom and Cap Assemblies is solidly sealed by 2 O-rings.
FIELD EQUIPMENT • NUSEIS o M Series - 10Ah Li-Ion o N Series – 13.4Ah Li-Ion The battery is protected by the rugged construction of the NRU assembly and by compression rings/sleeves. o Please refer to the NuSeis Technical Manual for information on battery maintenance/replacement. o Attempts to open the NRU/access the battery must never be carried out by anyone other than GTI or GTI-certified personnel.
FIELD EQUIPMENT • NUSEIS An external battery may be connected to the NRU to charge the internal battery in the field, to top up the battery for extended recording times. Figure 6 Geophone Sensor • • • The NRU-1C has an internal single geophone sensor embedded in the bottom case. The location of the geophone and the design of the case incorporates the EarthGrip technology. The normally supplied geophone is a SunFull High Sensitivity PS-10R. Other sensors are available upon request.
FIELD EQUIPMENT NUSEIS Figure 7 Figure 8 Geophysical Technology Inc Field Equipment Page | 16
FIELD EQUIPMENT NUSEIS Figure 9 • • A rubber grommet is used on top of the geophone for compression of the geophone into the bottom case of the NRU. Resistance, impedance, noise and distortion tests ensure the quality of the geophone sensor. LED indicators and NuSite tools help QC the test results. Hardware • • • The NRU electronics are protected by a 2-part clamshell, as well as shock absorbing compression rings and the high strength design of the case assembly.
FIELD EQUIPMENT o NUSEIS ▪ Connector for the geophone input ▪ Analog switching for the geophone input circuitry ▪ A to D converter ▪ High precision clock circuitry GPS Antenna Board Figure 10 Figure 11 Figure 12 Geophysical Technology Inc Field Equipment Page | 18
FIELD EQUIPMENT NUSEIS LED Status • Highly visible LEDs indicate status of the NRU.
FIELD EQUIPMENT NUSEIS NRU-1C Preparation Cleaning • • • • • Make sure that the top caps of the NRUs are clean and free of mud or wet material, or a large amount of dust. Dust can be removed using a dry brush or rag. Mud can be washed off with clean water and a brush. Do not pressure wash the NRUs. A very light soap/water mixture can be used to wash the NRUs but must be rinsed off with clear water. ➢ Never use CRC or any other type of aerosol cleaning agent to clean the case of the NRU.
FIELD EQUIPMENT NUSEIS o o o • • Requires a bump to bring the NRU up to full power state. White LEDs will show on the NRU for approximately 2 seconds after the bump. After 10 seconds, if the NRU is vertical and upright, and the accelerometer detects no movement for an additional 3 seconds, the NRU will flash a green LED 5 times indicating a successful deployment. Successful deployment in this case means that it has started the process of acquiring GPS data.
FIELD EQUIPMENT o NUSEIS The NRU should be placed in Shutdown mode if it is to be stored for a long period or if being readied for transport/shipping. Bumping • • • • • When an NRU has been placed in Shutdown or an Auto-Deploy low power state, turn it back on or bring it up to a fully On state by bumping. Bumping involves momentarily touching a DC voltage to the power contacts on the cap assembly. The DC voltage can be between 6 and 12 volts, i.e. a 9-volt battery. Polarity must be observed.
FIELD EQUIPMENT NUSEIS ▪ o The NRU will have to be Deployed with a NuSite device before it will start to acquire GPS and subsequently start to record.
FIELD EQUIPMENT NUSEIS NRU-1C Field Use Laying Out • • The NRU should be placed as close to the receiver point pre-plot position or surveyed flag as possible. The NRU can be planted by using the ADS (Automated Deployment System), a manual deployment tool, or a powered deployment tool. o All methods solution a hole in the ground that perfectly fits the NRU lower end for excellent EarthGrip coupling. o The ADS will automatically plant an NRU.
FIELD EQUIPMENT • • NUSEIS The optimal depth for the NRU to be planted, is with the bottom of the bottom clamp level with the top of the ground. The NRU can be planted down as far as having the top of the top cap below the surface and a thin layer of sand placed over it, so the unit is not visible. As with most seismic sensors, the closer to perfect vertical placement the better. Care should be taken when planting, not to deviate from vertical.
FIELD EQUIPMENT o o o NUSEIS The longer an NRU is deployed in a location, the better the accuracy of the GPS position being recorded in the node. Collecting that GPS position contained in the NRU status with the NuSite device improves the accuracy of the NuScribe databases for later transcription of data. Connecting an external Bluetooth GNSS device to the NuSite device will increase the accuracy of the positioning being stored. Revisiting NRUs to collect status also improves spread QA/QC.
FIELD EQUIPMENT • NUSEIS o Use of an aerosol cleaner or chemical cleaner could result in damage to the case. Follow the Uploading process as described in the NuScribe manual Rack View section.
FIELD EQUIPMENT NUSEIS NRU-1C-KCK Description • • The KCK model of the NRU is the same as the NRU-1C discussed in the last chapter, except there is no geophone element embedded in the case. The KCK model has an industry standard KCK style 2 pin threaded watertight connector built into the case in the place of the geophone element. Figure 15 • • • • • • The electronics boards and specifications are the same as the NRU-1C, except for the geophone.
FIELD EQUIPMENT • NUSEIS If being used in a swampy area or shallow water with marsh phones or a hydrophone, the KCK unit can be hung from a tree, pole or tripod if necessary, or even floated on a buoy.
FIELD EQUIPMENT NUSEIS NuSeis Bag • • • The NuSeis bag is specifically designed to ergonomically transport the NRU1C units and at the same time protect them from physical shocks during transportation. There are 2 different sized bags, for both the M series NRU and the N series NRU. Each bag will hold 10 NRUs, 2 rows of 5.
FIELD EQUIPMENT NUSEIS Figure 17 Figure 18 • • • Drain grommets spaced along the bottom of the bag allows for drainage if water or mud gets in the bag from dirty NRUs. The drains also make washing dirt and mud out of the bags during cleaning. The bags should be carried using the padded shoulder strap. There are also side handles on newer versions of the bag to be used for moving the bags short distances. The NRUs should be stowed in the bags in an upright position for transport.
FIELD EQUIPMENT NUSEIS Figure 19 Geophysical Technology Inc Field Equipment Page | 32
FIELD EQUIPMENT NUSEIS Chapter 5 Data Management Panel (DMP) USB Data Management Panel Panel Overview • • • • • • • Each USB Data Management Panel can upload or commission 8 NRUs. By using multiple Data Management Panels, the NuScribe computer can upload or commission many NRUs simultaneously. The Data Management ports are hard plastic cups with 4 metal spring rings.
FIELD EQUIPMENT • • NUSEIS The power connector is next to the ethernet ports. It is a 4-pin connector. Power input is 12vdc. The panels can be wall mounted, rack mounted, or portable case mounted. See the Portable Case section for information on the Portable Data Management Case. Figure 20 Data Management Panel Use • • • To carry out NRU uploading or commissioning operations, the panel must be connected to a NuScribe computer via the ethernet ports and a network switch.
FIELD EQUIPMENT NUSEIS o o o o • Remove power from the panel Use compressed air, preferably with a line dryer, to blow out the cups. Cleaning may also be done using a vacuum cleaner. A dry soft brush can be used to loosen debris in the cup prior to blowing it out with compressed air. o No CRC or other aerosol cleaning sprays should be used to clean the cups. The accelerant may damage the cups. The NRUs should be inserted individually.
FIELD EQUIPMENT • • • • • NUSEIS By using multiple Data Management Panels, the NuScribe computer can upload or commission many NRUs simultaneously. The Data Management ports are hard plastic cups with 2 springs that make contact with the NRU power pins for turning on the NRU prior to offloading or commissioning and applying a charge voltage during offload or commissioning. The cup connectors are numbered 1 to 8. Number 8 is always at the end of the panel that has the ethernet ports and power connector.
FIELD EQUIPMENT • • • NUSEIS The ports should be checked for a buildup of dirt and debris in the bottom of the cups. Too much dirt or debris may keep the NRU from turning on or communicating properly due to the debris obstructing proper seating. o Remove power from the panel o Use a vacuum, or compressed air, preferably with a line dryer, to blow out the cups. o A dry soft brush can be used to loosen debris in the cup prior to blowing it out with compressed air.
FIELD EQUIPMENT • • NUSEIS Do not operate a panel if there is any physical damage to any of the cup connectors, especially involving the springs. Do not apply power to a panel that has a damaged/broken power connector.
FIELD EQUIPMENT NUSEIS Chapter 6 Charge Panel (CP) USB Charging Panel Charging Panel Overview • • • • • • Each Charge Panel is capable of charging 8 NRU at a time. The charging ports are clear hard plastic cups with 2 springs that line up with the NRU contacts for supplying voltage to the NRU internal battery charger. There are no charging electronics inside the charging panels, they are simply distribution points. The charge circuitry is contained within the NRU.
FIELD EQUIPMENT NUSEIS Charging Panel Use • • See the cleaning section for instructions for cleaning the NRUs before charging. The NRUs can be charged on the charging panel either individually or by 8 in the NRU Cases as seen below in Figure 26. Figure 26 • • • • • • Never use a charging cup that is damaged. Always inspect the charging cups before use. When a shutdown NRU is plugged into a charging port, the LEDs will flash white once indicating that the NRU has powered on.
FIELD EQUIPMENT o o o o NUSEIS A dry soft brush can be used to loosen debris in the cup prior to blowing it out with compressed air. A vacuum cleaner may also be used to clean the cups. No CRC or other aerosol cleaning sprays should be used to clean the charging cups.
FIELD EQUIPMENT NUSEIS Chapter 7 Portable Charging Case (PCC) Portable Charging Case Description • • • The Portable Charging Case is capable of charging 24 NRUs at one time. The Case is wheeled and has an integrated retractable moving handle, for easy transport. The charging case contains 3 panels of 8 charging ports. o Each panel is supplied by a separate 12vdc power supply. Total of 3 power supplies.
FIELD EQUIPMENT o NUSEIS 2 cooling fans keep the power supplies ventilated. Figure 28 Use of the Portable Charging Case • • See the cleaning section for instructions for cleaning the NRUs before charging. The NRUs can be charged in the portable charging cases either individually as shown in Figure 28 above, or by 8 in the NRU Cases as seen below in Figure 29. Figure 29 • • See the Charge Panel section for Charge Panel use and precautions.
FIELD EQUIPMENT • NUSEIS The electrical connector is standard 3 pin AC power connector.
FIELD EQUIPMENT NUSEIS Chapter 8 Portable Data Management Case (PDC) Portable Data Management Case Description • The Portable Data Management Case is capable of offloading 8 NRUs and charging 16 NRUs simultaneously.
FIELD EQUIPMENT NUSEIS Figure 31 • • • The case contains 1 panel of 8 Data Management ports. o The panel is supplied by a 12vdc power supply. o Power supplies: 90-264vac, 50/60Hz o 2 cooling fans keep the power supplies ventilated. o The panel has 8 ethernet ports which correspond to the 8 panel cup connectors. o The 8 ethernet ports connect to a built in ethernet switch which in turn connects to the external ethernet port of the Portable Case.
FIELD EQUIPMENT • • NUSEIS There are no electronics inside the charging panels, they are simply distribution points. When using the USB Data Management Panels, it is possible to change between different configuration options, such as having either 1, 2, or 3 Data Management Panels installed in the portable case. o When using the optional TransferJet Data Management Panels it is advisable to only have 1 panel installed per portable case.
FIELD EQUIPMENT Geophysical Technology Inc NUSEIS Field Equipment Page | 48
FIELD EQUIPMENT NUSEIS Chapter 9 Manual Deployment/Retrieval Tools Deployment Tool • • The manual deployment tool is an easy to use device for creating a custom fitted hole for the NRU-1C node, both M and N series. Operates as a slide hammer to solution a hole in the earth.
FIELD EQUIPMENT NUSEIS Figure 33 Figure 34 ➢ The correct PPE should be in use when operating the manual deployment tool. Eye and hand protection are recommended at a minimum. Be aware of finger pinch points on the tool. Back safety should be observed while operating the tool, straight back and feet planted in line with shoulders. • The N series node with the N series deployment tool is seen in Figure 34 above.
FIELD EQUIPMENT • • • • NUSEIS Identify the location for the NRU to be planted, as close to the pre-plot receiver point as possible. Kick or scrape any loose dirt or gravel away from the point, this prevents any of that debris from falling back into the hole after removing the deployment tool. Place the point of the tool firmly on the ground. Grip the slide hammer handles firmly with both hands. Slide the hammer up to a height that is comfortable, then bring it down hard.
FIELD EQUIPMENT NUSEIS Figure 36 • • To completely bury the NRU, drive down until the top of the bottom collar is level with the ground. Once the desired depth is reached with the tool, it needs to be rotated slightly, back and forth 3 or 4 times to consolidate the hole sides. Do this by gripping the 2 handles on the main body of the tool. Rotate while pressing down.
FIELD EQUIPMENT NUSEIS easily. Never stomp on an NRU to plant it as that may result in injury to the foot or leg and possibly damage the NRU.
FIELD EQUIPMENT NUSEIS Retrieval Tools Surface Retrieval Tool • • The Retrieval Tool is used to safely and effectively remove an NRU from the ground, Due to the firmness of the EarthGrip plant, most NRU cannot be removed by hand. The Retrieval Tool does this job. Figure 40 • The claw grips of the tool are custom shaped to fit onto the NRU between the top hex clamp and the bottom clamp of the NRU, or underneath the bottom clamp, whichever is easier to reach.
FIELD EQUIPMENT NUSEIS Figure 42 ➢ Never hammer or kick the top of the NRU to try to dislodge it from the ground. This may damage the NRU or cause injury to the individual trying to remove the NRU. • • If an NRU has been planted below the level of the ground, a subsurface retrieval tool with long tines will need to be used. See the next section for information on this tool. Never use the retrieval tool as a pickaxe or hammer.
FIELD EQUIPMENT NUSEIS Subsurface Retrieval Tool • This Retrieval Tool is used to safely and effectively remove an NRU that has been planted with the top even or just below the surface of the ground to hide it from easy view and for surface planted NRU as seen in Figure 43 below Figure 43 • • • If an NRU has been planted below ground level, use the foot pedal to push the tool tines down till they contact the NRU stainless steel ring. Lever the NRU up till it can be pulled from the ground easily.
FIELD EQUIPMENT NUSEIS Figure 45 • Care should be taken when handling this tool as the tine ends are sharp. Never use the tool as a pickaxe or hammer.
FIELD EQUIPMENT NUSEIS Chapter 10 Powered Deployment Tools Geophysical Technology Inc Field Equipment Page | 58
FIELD EQUIPMENT NUSEIS Battery Rotary Hammer Drill • Current model in use is a Makita 36v dual battery XRH07 rotary hammer drill. Figure 46 • • ➢ ➢ ➢ ➢ ➢ The hammer drill is used in places the manual deployment tool cannot be easily used due to the hardness of the soil or in rock. The hammer drill can also be used in conjunction with the manual deployment tool. o Drill a pilot hole and then solution the hole with the manual tool. Always use the required PPE when using the Powered Deployment Tool.
FIELD EQUIPMENT NUSEIS Rotary Hammer Drill (PDT-H) • • • • In the case where battery power may not be sufficient, an electric rotary hammer drill can be used. The current tested model is the Bosch RH540M. A small portable source of AC power would need to be available for each drill. Operation would be similar to the battery hammer drill; drill depth should be marked on the bit in use to ensure the correct depth for the M series or N series nodes.
FIELD EQUIPMENT NUSEIS Fuel Powered Rotary Drill (PDT-F) • • • For very hard drilling areas such as expanses of solid surface rock, a fuel powered rotary drill can be used with a custom built coring bit. Coring a hole in the rock with the custom bit forms a hole that fits the NRU. Superior coupling to the cored hole is achieved using the NuSeis RocLoc. This coupling is far superior to a standard geophone with a spike wedged into a drilled hole.
FIELD EQUIPMENT NUSEIS Propane Driven Hammer (PDT-P) • • • • • A vehicle mounted propane driven hammer can be used in areas where the ground is too hard for the use of the Manual Deployment Tool. The propane hammer can be mounted on the back of different ATV types or a small pickup depending on the terrain conditions. The propane driven hammer uses the same type of earth solutioning bit as the manual deployment tool, M series or N series bit.
FIELD EQUIPMENT NUSEIS NuSeis Tool Accessories Geophysical Technology Inc Field Equipment Page | 63
FIELD EQUIPMENT NUSEIS NuSeis Drill Bits • • • • • The type of drill bit to use to form a hole for the NRU is dependent on the type of ground and surface conditions. It may be necessary to do a final solutioning of a drilled hole with a MDT to consolidate the sides of the hole and tamp any loose material that may have fallen into the hole during drill bit removal. Depth to be drilled is dependent on the model of NRU in use, M series or N series.
FIELD EQUIPMENT NUSEIS RocLoc • • Used to secure an NRU in a rock cored hole to provide coupling of the NRU to the surrounding rock. Adapts the NRU taper to the straight cored hole sides as shown in the 3 figures below.
FIELD EQUIPMENT NUSEIS NRU Threading • • • The NRU Threading is an add-on device that adds a screw like threading to an NRU. The threads aid in planting the NRU and create more surface area for coupling. Using a custom built tool with either the PDT-B, PDT-H or a hand tool, the NRU can be screwed into place. The drill should be capable of normal rotary operation and not be used in hammer mode for this operation.
FIELD EQUIPMENT NUSEIS Chapter 11 Automated Deployment System Geophysical Technology Inc Field Equipment Page | 67
FIELD EQUIPMENT NUSEIS Automated Deployment System V3 • • The Automated Deployment System V3 is meant to automate the deployment of NRUs, effectively speeding up the process and reducing labor needs for laying out the nodes. The ADS also adds consistency to planting the NRUs at “true vertical”, and the correct depth. Figure 58 • • • • • The system is powered by a Hatz diesel generator, running hydraulic power and electronic actuator. Can be towed by most ATVs rated to tow the ADS weight.
FIELD EQUIPMENT NUSEIS ADS V3 Specifications Hydraulic Power Hatz air-cooled diesel engine. (13.7hp @ 3000rpm Load-sensing, pressure compensated axial piston pump (18cc/rec, 2500psi max), high pressure filter, proportional control DCV, control manifold, 11.5gal reservoir (approx. 13.5 hours runtime between fueling) Dimensions 130” long x 80” wide x 62” high Weight 2300lbs Power of Punch 62.
