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1、SAE Technical Standards Board Rules provide that: “This report is published by SAE to advance the state of technical and engineering sciences. The use of this report is entirely voluntary, and its applicability and suitability for any particular use, including any patent infringement arising therefr
2、om, is the sole responsibility of the user.” SAE reviews each technical report at least every five years at which time it may be reaffirmed, revised, or cancelled. SAE invites your written comments and suggestions. Copyright 2002 Society of Automotive Engineers, Inc. All rights reserved. No part of
3、this publication may be reproduced, stored in a retrieval system or transmitted, in any form or by any means, electronic, mechanical, photocopying, recording, or otherwise, without the prior written permission of SAE. TO PLACE A DOCUMENT ORDER:Tel: 877-606-7323 (inside USA and Canada) Tel: 724-776-4
4、970 (outside USA) Fax: 724-776-0790 Email: custsvcsae.org SAE WEB ADDRESS:http:/www.sae.org SURFACE VEHICLE 400 Commonwealth Drive, Warrendale, PA 15096-0001 STANDARD J2520 ISSUED JUL2002 Issued2002-07 Classification, Nomenclature, and Specification Definitions for Directional Drilling Tracking Equi
5、pment 1.ScopeThis SAE Standard applies to directional drilling electronics and tracking equipment of the following types: a.Tracking Transmitter b.Tracking Receiver c.Telemetry Device d.Remote Display This type of tracking equipment is typically used with Horizontal Earthboring Machines as defined i
6、n SAE J2022. 1.1PurposeThe purpose of this document is to define common terms and commercial specifications associated with tracking equipment used in the horizontal earthboring industry. 2.Reference 2.1Applicable PublicationThe following publication(s) forms a part of this specification to the exte
7、nt specified herein. Unless otherwise indicated, the latest issue of SAE publications shall apply. 2.1.1SAE PUBLICATIONAvailable from SAE, 400 Commonwealth Drive, Warrendale, PA 15096-0001. SAE J2022Classification, Nomenclature, and Specification Definitions for Horizontal Earthboring Machines 3.Def
8、initions 3.1Pilot Bore PathThe centerline location of the pilot bore. 3.2As-BuiltThe actual map derived from measurements received by tracking receiver. 3.3Bore Path LengthThe distance from the entry point to the exit point along the actual bore path. 3.4DepthThe vertical distance from the surface t
9、o the transmitter. 3.5Drill String CommunicationData that is communicated, at least in part, through the drill string. SAE J2520 Issued JUL2002 -2- 3.6HeadingAn angle of direction in the horizontal plane relative to true or magnetic north. 3.7Installed PathThe centerline of the completed bore. 3.8Pl
10、anned PathThe planned location for the bore. 3.9Left and Right DeviationThe distance measured perpendicular to the reference line when facing the direction the drill rig is heading. 3.10 Left and Right Steering IndicatorDisplay indicating amount of left/right steering required to proceed on the inte
11、nded path to a target point given in degrees, distance or means of steering indication. 3.11 Logging FunctionHardware and/or software used for collecting the data about the drilling operation. 3.12 PitchThe angle of the tracking transmitter relative to the horizontal plane. 3.13 Planning FunctionA s
12、ystem used for planning and displaying the projected bore path in relation to known points above and/or below ground. 3.14 Reference LineA predetermined line or set of surface characteristics used to measure and document the location of the planned path, actual bore or installed path. 3.15 Remote Di
13、splayA device at or near the drilling unit, used to display information communicated from the tracking receiver. 3.16 RollRotation about the longitudinal axis of the transmitter shown in degrees or segmented displays, usually starting from a twelve oclock position. 3.17 Survey Path DistanceHorizonta
14、l distance measured along the reference line to the point of interest. 3.18 Telemetry ReceiverA device that receives data and converts it into electric output. 3.19 Telemetry TransceiverA device that has the ability to send and receive data. 3.20 Telemetry TransmitterA device that sends data to the
15、telemetry receiver above ground. 3.21 Tracking ReceiverA portable device used above ground that detects the signal from the tracking transmitter. Note that the terms receiver, tracker, and locator are often used interchangeably. 3.22 Tracking TransmitterA removable device that fits in the drill pipe
16、 and measures parameters about the drill bit and the drilling process and emits electromagnetic signals. Note that the terms transmitter, beacon, sonde and probe are often used interchangeably. 3.23 YawThe intended angle of a heading relative to the reference path of a horizontal plane. 3.24 Update
17、RateThe delay in updating changed parameters, measured in seconds. SAE J2520 Issued JUL2002 -3- 4.Specification Guidelines 4.1Standard Drill Head for Tracking Transmitter Specifications 4.1.1Tracking Transmitter specifications shall be determined in the following standard drill head housing configur
18、ation: 4.1.1.1Steel housing of drill head is 76 mm. 4.1.1.2The drill head has a minimum of 4 symmetrical slots. 4.1.1.3If the standard drill head housing is not used, the manufacturer shall specify the housing used. 4.2Tracking Transmitter Range - in standard drill head, unless specified 4.2.1Range
19、specifications will be derived from horizontal measurements taken while transmitter is inside standard drill head and above ground. 4.2.2Maximum distance capacity, measured in meters: 4.2.2.1Maximum DepthThe distance reached where loss of depth reading occurs. 4.2.2.2Maximum Data Signal DepthThe dis
20、tance reached where loss of data occurs. 4.3Tracking Transmitter Battery Life - in standard drill head, unless specified 4.3.1Battery life is measured in hours. 4.3.2Battery life is specified after meeting the following test conditions: 4.3.2.1Battery life is measured while the transmitter is inside
21、 the standard drill head housing. 4.3.2.2Battery life duration is measured while the transmitter is in continuous operation. 4.3.2.3Temperature of the transmitter and surrounding drill head is maintained at 21 C 2 C. 4.4Tracking Transmitter / Receiver Depth Accuracy - in standard drill head, unless
22、specified 4.4.1Depth accuracy is specified when the following conditions are met: 4.4.1.1The transmitter is out of the ground and inside the standard drill head housing. 4.4.1.2Depth readings obtained while head is positioned approximately 1 m above ground while a horizontal distance measurement is
23、taken. 4.4.1.3Test measurements taken at 1.5 m intervals showing range of accuracy at each interval indicated by dividing the difference between the actual and measured depth by the actual depth or as specified by the manufacturer. 4.5Tracking Transmitter / Receiver Location Accuracy 4.5.1If specifi
24、ed by the manufacturer, conditions of the tests should be disclosed. SAE J2520 Issued JUL2002 -4- 4.6Tracking Transmitter Pitch Accuracy 4.6.1The following test conditions must be met when determining pitch accuracy: 4.6.1.1The transmitter pitch is measured on an inclinometer at a temperature of 21
25、C 2 C. 4.6.1.2Pitch accuracy measurements are taken in all roll positions. 4.6.1.3Specify accuracy variations at given pitch angles over the operating range. (Individual manufacturers present their own angles and variations.) 4.7Tracking Transmitter / Receiver Update Rate 4.7.1Manufacturer will list
26、 the following data parameters that are updated: 4.7.1.1Roll of the transmitter, read from the tracking receiver. 4.7.1.2Pitch of the transmitter, read from the tracking receiver. 4.7.1.3Temperature of the transmitter, read from the tracking receiver. 4.7.1.4Location of the transmitter, displayed on
27、 the tracking receiver. 4.7.1.5Depth of the transmitter, shown on the tracking receiver. 4.7.1.6Battery Status of the transmitter, read from the tracking receiver. 4.8Tracking Transmitter Dimensions 4.8.1Physical dimensions of the transmitter are shown including the following: (Refer to Figure 1) FI
28、GURE 1TRACKING TRANSMITTER DIMENSIONS 4.8.1.1LengthThe longitudinal distance between the outer extremities of the transmitter housing. Tolerances shall be included. 4.8.1.2DiameterThe maximum outside diameter of the transmitter housing, tolerances shall be included. 4.8.1.3WeightThe measured weight
29、of a fully operational transmitter including the battery. SAE J2520 Issued JUL2002 -5- 4.9Temperature Operating Range - Tracking Transmitter and Receiver 4.9.1The temperature operating range is determined by the following: 4.9.1.1The minimum and maximum temperature for an infinite time range where s
30、hutdown occurs without permanent damage. 4.9.1.2The minimum and maximum temperature where permanent damage to the transmitter occurs . 4.10 Tracking Receiver Battery Life 4.10.1Battery life is measured in hours. 4.10.2Battery life of the receiver is determined under the following conditions: 4.10.2.
31、1While the receiver is turned “On” 4.10.2.2While the receiver is transmitting data (telemetry “On”) 4.10.2.3While the receivers Back Light is “ON” (if applicable). A battery life may also be provided withthe Back Light “Off” 4.10.2.4While testing at a temperature of 21 C 2 C 4.10.2.5The type of batt
32、ery used in the test shall be specified 4.11 Tracking Receiver Weight 4.11.1The weight of the receiver in operating configuration (including batteries). 4.12 Tracking Receiver Dimensions 4.12.1Physical dimensions of the receiver are shown including the following: (Refer to Figure 2) FIGURE 2TRACKING
33、 RECEIVER DIMENSIONS SAE J2520 Issued JUL2002 -6- 4.12.1.1LengthThe longitudinal dimension between the outer extremities of the receiver. 4.12.1.2WidthThe lateral dimension between the outer extremities of the receiver. 4.12.1.3ThicknessThe perpendicular dimension to the length and the width of the
34、outer extremities of the receiver. 4.12.1.4A picture and or illustration can be used if receiver has variable or unusual dimensions. 4.13 Telemetry 4.13.1Data telemetry characteristics specifications: 4.13.1.1Frequency of the signal 4.13.1.2The sensitivity of the data telemetry device listed in dBm
35、and micro-volts(mV) 4.13.1.3Power output in (milliwatts) of the device 4.13.1.4Range of the device 4.13.1.4.1The maximum demonstrated distance when used in open (line of sight) terrain, at normal operating height 4.14 Remote Display 4.14.1Specifications detailing all remote displayable data types su
36、ch as: 4.14.1.1Outputs (display information) 4.14.1.2Battery life at 21 C 2 C. (all features operating, same as transmitter) 4.14.1.3Battery type (if required) 4.14.1.4Operating weight with and without batteries (if required). 4.14.1.5Dimensions (height, width, thickness) 4.14.1.6Temperature / humid
37、ity limits 4.14.1.7Vibration capacity 4.14.1.8Update rate (delay in updating changed parameters, measured in seconds) 4.14.1.9Options 4.14.1.10Mapping 4.14.1.11Multiple channels 4.14.1.12Data output ports PREPARED BY THE SAE MACHINE TECHNICAL COMMITTEE SC9 HORIZONTAL EARTHBORING MACHINERY SAE J2520
38、Issued JUL2002 RationaleNot applicable. Relationship of SAE Standard to ISO StandardNot applicable. ApplicationThis SAE Standard applies to directional drilling electronics and tracking equipment of the following types: a.Tracking Transmitter b.Tracking Receiver c.Telemetry Device d.Remote Display T
39、his type of tracking equipment is typically used with Horizontal Earthboring Machines as defined in SAE J2022. Reference Section SAE J2022Classification, Nomenclature, and Specification Definitions for Horizontal Earthboring Machines Developed by the SAE Machine Technical Committee SC9Horizontal Earthboring Machinery Sponsored by the SAE Machine Technical Committee