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RODSTAR-D/V
Theta Oilfield Services, Inc. La Habra, CA 90631 USA Fax #: (562) 694-8641

Modern Design and Simulation of Rod Pumping Systems for Deviated or Ver tical Wells

1901 E. Lambert Rd. Suite 108 Telephone #: (562) 694-3297 www.gotheta.com or www.xspoc.com
Email Addresses: John G. Svinos - President: jsvinos@gotheta.com Terry Treiberg - XSPOC Dev. Manager: terry@xspoc.com SoftwareSupport: Rudy Nesmith: rudy@gotheta.com

Orders: Sandy B. Rodriquez - Off. Manager: sandyb@gotheta.com

© Theta Oilfield Services, Inc., 2006.

All Rights Reserved. This manual may not be reproduced in whole or in part without the written permission of Theta Oilfield Services, Inc. RODSTAR, RODSTAR-D, RODSTAR-V, RODDIAG, XDIAG, CBALANCE, and XTOOLS are trademarks of Theta Oilfield Services,Inc.. Printed in the United States of America First Edition, October 2006

RODSTAR |

iii

Contents
Technical Support . . . . . . . . . . . . . . . v System Requirements . . . . . . . . . . . . . v 1 introduction 1
1.1 Program Features . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1 1.2 Advanced Capabilities and Program Limitations. . . . . . . . . . .. . . . 2 1.3 Help System. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3 1.4 RODSTAR CD and Software Sentinel . . . . . . . . . . . . . . . . . . . . 3

2

Software installation

5

2.1 RODSTAR Installation. . . . . . . . . . . . . . . . . . . . . . . . . . . 5 2.2 Questions About Installation . . . . . . . . . . . . . . . . . . . . . . . 5 2.3 Installing the SoftwareSentinel . . . . . . . . . . . . . . . . . . . . . . 5

3

Starting and Setting Up RODSTAR

7

3.1 Starting RODSTAR . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7 3.2 Exiting RODSTAR. . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7 3.3 Setting up RODSTAR . . . . . . . . . . . . . . . . . . . . . . . . . . . 10 3.3.2 General setup options . . . . . . . . . . . . . . . . . .. . . . . 11 3.3.3 Defaults, Limits, and Rod Guide Setup . . . . . . . . . . . . . . . . 11 3.3.4 Output Options. . . . . . . . . . . . . . . . . . . . . . . . . . . 12 3.3.5 Pumping Unit Options . . . . . . . . . . . . . . . . . . . . . . . 13 3.3.6 Rod Grade Options . . . . . . . . . . . . . . . . . . . . . . . . . 15 3.3.7 Batch Mode Options . . . . . . . . . . . . . . . . . . . . . . . . 174

Running RODSTAR

21

4.1 RODSTAR’s User Interface . . . . . . . . . . . . . . . . . . . . . . . . . 21 4.1.1 RODSTAR’s Help System . . . . . . . . . . . . . . . . . . . . . . . 22 4.2 Entering Rod Pumping System Data . . . . . . . . . . . . . . . . . . . . 22 4.2.1 Entering Well Information Data . . . . . . . . . . . . . . . . . . . 23 4.2.2 Entering Production Information. . . . . . .. . . . . . . . . . . . 25 4.2.3 Entering Pump and Tubing Information Data . . . . . . . . . . . . . 26 4.2.4 Entering Rod String Data . . . . . . . . . . . . . . . . . . . . . . 29 4.2.5 Entering Wellbore Deviation Data (RODSTAR-D) . . . . . . . . . . . . 33 4.2.6 Entering Pumping Unit Data. . . . . . . . . . . . . . . . . . . . . 38

iv | Table of Contents

4.2.7 Entering Motor Informationand Energy Cost . . . . . . . . . . . . . 47

5

Changing, Loading and Saving Data

51

5.1 Visual Input . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 51 5.2 Storing Data Files . . . . . . . . . . . . . . . . . . . . . . . . . . . . 51 5.3 Running and Viewing the Output . . . . . . . . . . . . . . . . . . . . . 52 5.3.1 Saving the output . . . . . . . . . . . . . . . . . .. . . . . . . 54 5.3.2 Running in Batch Mode . . . . . . . . . . . . . . . . . . . . . . . 54 5.4 Loading Data from Disk. . . . . . . . . . . . . . . . . . . . . . . . . . 56 5.4.1 Viewing Previously Saved Output . . . . . . . . . . . . . . . . . . 57 5.5 Manipulating Input Windows . . . . . . . . . . . . . . . . . . . . . . . 58

6

Rod Pump System Design

59

6.1 Understanding...
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