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Drilling and Production Operations DRILLSTRING DESIGN AND MANAGEMENT MANUAL INDEX

Ref: INDEX Issue: Feb 2000 Page 1 of 1

Introduction Attributes of Drillstring Components Drillstring Components Special Tools Rig Equipment and Pipe Handling BHA Design Drillpipe Heavyweight Drillpipe (HWDP) Drilling Jars and Accelerators Drillstring Design Special Considerations Drillstring InspectionRecognising Failure Mechanisms and Preventing Drillstring Failures Stuck Pipe References and Further Reading

DSTR 01 DSTR 02 DSTR 03 DSTR 04 DSTR 05 DSTR 06 DSTR 07 DSTR 08 DSTR 09 DSTR 10 DSTR 11 DSTR 12 DSTR 13 DSTR 14 DSTR 15

Drilling and Production Operations DRILLSTRING DESIGN AND MANAGEMENT MANUAL SECTION 1 INTRODUCTION

Ref: DSTR 01 Issue: Feb 2000 Page 1 of 4

TABLE OF CONTENTS
1. 1.11.2 1.3 1.4 1.5 1.6 1.6.1 1.6.2 1.7 INTRODUCTION.................................................................................................... 2 GENERAL........................................................................................................ 2 OBJECTIVES................................................................................................... 3SCOPE............................................................................................................. 3 READERSHIP.................................................................................................. 3 DISTRIBUTION................................................................................................ 3REVISIONS...................................................................................................... 3 Process of Manual Revision and Amendment ........................................... 3 Revision, Review and Reissue .................................................................. 4 ACKNOWLEDGEMENT .................................................................................. 4

INTRODUCTION

Page 2 of 4

1.
1.1

INTRODUCTION
GENERAL

The purposeof this manual is to provide guidance on Repsol’s preferred drillstring design and management methods. This includes the specification, selection, inspection and use of all components that might be used in a drillstring. This manual should be read in conjunction with the other manuals in the Drilling and Production Operations Manuals suite. This manual must be read in conjunction with the latestedition of ‘DS-1™ Drillstem Design and Inspection’ by TH Hill Associates Inc. This particular document provides specific and very detailed design, operational and inspection information that is not issued in the Repsol manual. The relevant API standards, recommended practices and bulletins must also be available to drillstring designers and operations personnel. Copies of the DS-1™ document may beobtained from your usual supplier of oilfield literature or direct from TH Hill Associates at: TH Hill Associates Inc 7676 Hillmont Suite 360 Houston Texas 77040 USA Telephone: +1 713 934 9215 Facsimile: + 1 713 934 9236 Email: mail@thhill.com The Repsol manual is not intended to provide a complete rulebook universally applicable in all circumstances and operating environments. It must not replacesound judgement based on a thorough knowledge of well design principles or a detailed knowledge of a particular situation or specific field. Nevertheless, it is recommended that the manual should be adopted as standard practice and deviations should be employed only in special circumstances that have been carefully considered and approved by management. Users of this manual are reminded that nopublication of this type can be complete, nor can any written document be substituted for qualified engineering analysis. It should be stressed that certain operations will require detailed and frequently site-specific operational procedures. This manual is not intended to replace more detailed procedures and vendor manuals, which remain the source of reference for technical specialists....