RT 1000 Deployment Guide ra f t January 25, 2011 D R00.f Part Number: 90-0004 When Real-time Matters Wireless Seismic, Inc. 361 Centennial Parkway, Suite 230 Louisville, CO 80027 720.242.
t ra f © 2010-2011 Wireless Seismic, Inc. All rights reserved. D All other brands, company names, product names, trademarks or service marks referenced in this material are the property of their respective owners, who may or may not be affiliated with, connected to, or sponsored by Wireless Seismic, Inc. Wireless Seismic, Inc.'s trademarks, registered trademarks or trade dress may not be used in connection with any product or service that is not the property of Wireless Seismic, Inc.
Table of Contents Table of Contents . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3 List of Figures 5 List of Tables 6 About this Guide . . . . . . . . Who Should Use this Guide. Other Documents . . . . . . . Getting Help . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Table of Contents 4.3 Maintaining the Equipment 4.3.1 Units . . . . . . . . . . . . 4.3.2 Antennas . . . . . . . . . 4.3.3 Geophones . . . . . . . 4.3.4 Cautions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
List of Figures List of Figures WRU ..............................................................................................16 D ra f t Figure 2–1 R00.f RT 1000 v1.0 Deployment Guide © 2010-2011 Wireless Seismic, Inc. All rights reserved.
List of Tables List of Tables Roles and Responsibilities .................................................................. 7 Antenna Specifications..................................................................... 29 D ra f t Table 1–1 Table 8–1 6 RT 1000 v1.0 Deployment Guide © 2010-2011 Wireless Seismic, Inc. All rights reserved. R00.
1 Overview 1.1 About this Guide t This document provides information on how to deploy the RT 1000 in the field. 1.2 Who Should Use this Guide ra f The following table describes the typical seismic data acquisition users.
Overview Who Should Use this Guide Table 1–1 Roles and Responsibilities (cont.
Overview Who Should Use this Guide Table 1–1 Roles and Responsibilities (cont.) Responsibility Crew (Source) Responsibilities: • Operators drive the vibrator trucks • Licensed shooters set off the dynamite • All crew remain in constant voice and data communication with the recorder during production NOTE: The source on a land seismic survey is usually either vibroseis or dynamite. Other source types such as poulter charges, accelerated weight drops, or shotguns may be used as well.
Overview Who Should Use this Guide Table 1–1 Roles and Responsibilities (cont.
Overview Who Should Use this Guide Table 1–1 Roles and Responsibilities (cont.
Overview Other Documents Table 1–1 Roles and Responsibilities (cont.
Overview Getting Help Note: Right now, a BSU is a standalone connection to a communication backhaul, power over ethernet box, and battery. Ideally, everything would be in one box called the LTU: WSU BSU ● PoE ● Battery ● Backhaul Unit (mast) t ● D ra f R00.f RT 1000 v1.0 Deployment Guide © 2010-2011 Wireless Seismic, Inc. All rights reserved.
2 Layout 2.1 Overview ra f 2.2 Mobilization t This chapter describes how to prepare (mobilization) and layout (install) the ground electronics. 2.2.1 Prerequisites Define Survey Back haul plan other? D 2.2.2 Getting Ready Possible topics for this section (basically collect all the pieces you need for the job): Please refer to Table 8–1 Antenna Specifications, on page 29 for the list of supported antennas.
Layout At the Site ► Charging batteries – – ● Charging Times Updating software in the central and ground units (maybe refer them to the sw chapter). List of non-WS equipment: ● Dog House ► power source (diesel, benzene or other type of fueled generator) ► heating, cooling and ventilation system ► antenna masts for voice radio, data telemetry, source control, and possibly satellite phone and/or internet ► shock-mounted rack for PC, displays, servers, network devices, output devices, etc.
Layout At the Site 2.3.2 Laying Out the Equipment 2.3.2.1 Prerequisites Define the prerequisites. The RT 1000 shall be used with only the supplied antennas (Table 8–1 Antenna Specifications, on page 29) attached to the WRU with an integrated type N male connector. The RT 1000 antennas shall be installed and handled by professionals specifically designated for this purpose. Changes or modifications not expressly approved by Wireless Seismic, Inc. can void the users’s authority to operate the equipment.
3 Software 3.1 Overview t xxx 3.2 Installing the Software ra f xxx 3.3 Upgrading the Software xxx 3.4 Upgrading the Firmware D xxx RT 1000 v1.0 17 © 2010-2011 Wireless Seismic, Inc. All rights reserved. Deployment Guide R00.
4 Testing and Maintaining the Equipment 4.1 Overview t xxx In order to comply with FCC radio frequency (RF) exposure requirements, the RT 1000 units must be installed so that a minimum separation distance of 20 cm is maintained between the antenna(s) and all persons at all times during normal operation. ra f WARNING 4.2 Testing the Layout xxx the crew is doing roll-on, roll-off acquisition.
Testing and Maintaining the Equipment Testing the Layout • Spread noise • Geophone analysis (TBD) • Pulse • DC ohms • DC leakage • RF health o Number of retries per unit o KB/sec ??? o Power deviation (looking for a high Tx power unit) o Rib throughput acceptable/not t • GPS position/timing QC ra f These tests should all be repeated at the CSS as communications are established with deployed nodes.
Testing and Maintaining the Equipment Testing the Layout be done over the source controller RF interface or when wired directly to the source controller. Hardwired similarity tests are more accurate, and the results will need to be compared to radio similarity tests. Similarity tests, as well as pulse tests to confirm that vibrators are synchronized, will likely need to be conducted at the beginning of the survey, and at sweep parameter changes.
Testing and Maintaining the Equipment Testing the Layout You can record the parameter tests with one live receiver line while the layout crews are continuing to work on the next nine lines. This way, the parameter testing won’t consume any potential production time. You can economize by combining some of the tests. 4.2.4 Built-In-Self-Test (BIST) • A method will be provided for synchronizing tests across all WLSs • Tests executed during deployment are for “go/no-go” purposes.
Testing and Maintaining the Equipment Maintaining the Equipment tests should be run only after it is established that there are no problems with the analog channel. • Spread Noise • Geophone analysis • Pulse • DC Ohms • DC Leakage 4.3 Maintaining the Equipment t xxx ra f 4.3.1 Units 4.3.2 Antennas 4.3.3 Geophones D 4.3.4 Cautions 22 RT 1000 v1.0 Deployment Guide © 2010-2011 Wireless Seismic, Inc. All rights reserved. R00.
5 Rolling the Line 5.1 Overview t xxx 5.2 Process ra f the crew is doing roll-on, roll-off acquisition. This means that only part of the patch, ten lines, needs to be ready in order to begin production Pickup and layout crews will be picking up lines behind production and laying them out ahead of production. Depending on battery charge state, equipment may circulate through staging or go directly from one line to the next.
6 Demobilization 6.1 Overview t xxx 6.2 Process ra f xxx As soon as the Event Manager tool has determined that a WRU is no longer needed at that location, it will change color on the basemap. The Observer will need to consider the possibility of reshooting source points, which could happen if some recording failure is discovered later. Assuming no such reshoots, the Observer can undeploy the WRU or the entire rib.
7 Troubleshooting 7.1 Overview ra f 7.2 Specifications t xxx 7.2.1 Ground Units: In summary, the unit must operate (from a power off condition) with an internal temperature ranging from -50C to +85C. The box performance specifications will be over the usual range of -40C to +70C. ● The system shall survive immersion in fresh or salt water (maximum of 5 m) for up to 1 day and still function to specification.
Troubleshooting Specifications ● Battery must comply with runtime of unit. Two battery packs at minimum capacity should run the system for the required time (at 25C?). A cold temperature battery pack could be made available; for example, 8-10 cells. 7.2.2 Central Server: The central hardware shall have an operating range of 5°C to 55°C. ● The central hardware shall have adequate cooling to keep internal heat rise within 5 degrees of ambient.
Troubleshooting LED Chart 7.3 LED Chart Insert the chart showing possible LED situations and what they mean. Throughout the project, there will likely be intermittent problems with the ground electronics. Failures can result from poor initial deployment, general wear and tear, lighting strikes or other acts of god, livestock and wildlife, or vandalizing (or curious) humans. When these problems must be solved physically, the Observer will use troubleshooters.
Troubleshooting LED Chart • The CRA will contain functions that can be used with a BSU to perform the following on demand tests: o No GPS position Position is invalid because not enough satellites were acquired. This should only need to be done at initial WLS discovery. GPS should not be turned on when analog is on. Operator should be able to turn on the GPS receiver for a specified time.
8 Legal Information 8.1 FCC Rules and Regulations Compliance t The Federal Communications Commission (FCC) regulates the use of antennas in the “Code of Federal Regulations – Title 47, Part 15 – Radio Frequency Devices, Subpart C – Intentional Radiators, Section 15.203 Antenna Requirement.” This equipment has been tested and found to comply with the limits for a Class A digital device, pursuant to part 15 of the FCC Rules.
Legal Information FCC Rules and Regulations Compliance Table 8–1 Antenna Specifications (cont.) Model WSI 65-0025 2400-2485 Gain 2 dBi @ 2.4 Vertical Bandwidth 120° Weight 1.6 oz 45.4 g Dimension (Length x Diameter) 7.6 x 0.5 in 193 x 12.7 mm In order to comply with FCC radio frequency (RF) exposure requirements, the RT 1000 units must be installed so that a minimum separation distance of 20 cm is maintained between the antenna(s) and all persons at all times during normal operation.
288 channels/patch 4608 crossline size 52800 ft inline size 31680 ft ra f channels/line t Glossary 16 lines/patch describe the shooting template the number of lines that should be live 13200 ft max inline offset The “max inline offset” is the longest raypath, or lateral distance between source and receiver, desired for the imaging target. This describes half the inline (receiver line) length of the recording template.
Glossary source line interval 1760 ft describe the basic geometry of the points on the ground- the spacing of points on a line and the spacing of the lines themselves source lines 18 swath width 3 lines describe the shooting template the number of continuous source points that will be shot into a live patch D ra f t swath width of three lines means that three receiver line’s worth of source points will be shot before the source crews move down the receiver line and continue the other direction on
Index A L antenna specifications 29 antennas 29 LZ Coordinator 8 M modifications 29 t B birddog 11 bosses line crew 7 observer 10 junior 10 senior 10 office clerk 10 oil Company representative 11 ra f C O contact 12 coordinator landing zone 8 staging 8 survey 8 crew juggies 8 layout 7, 8 source 9 D P party chief 11 manager 11 S SO 10 specifications antenna 29 supported antennas 29 D documents 12 drillers 9 F T FCC 29 Section 15.
Index D ra f t U 34 RT 1000 v1.0 Deployment Guide © 2010-2011 Wireless Seismic, Inc. All rights reserved. R00.
