SAE J2520-2002 Classification, Nomenclature, and Specification Definitions for Directional Drilling Tracking Equipment.pdf
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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
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