API for Turbulars

In this article, the last updated list of API & ISO standards for Tubulars (Casings, Tubings, Threads, Drill Pipe, Line Pipe) is presented. These standards can be considered as reference documents as well as a basis for training classes in the subject of Tubular Goods.


API RP 5A3/ISO 13678:2010 – Recommended Practice on Thread Compounds for Casing, Tubing, Line Pipe, and Drill Stem Elements (includes Errata 1 dated April 2011):

API RP 5A3 provides requirements, recommendations, and methods for the testing of thread compounds intended for use on threaded casing, tubing, and line pipe connections and for thread compounds intended for use on rotary shouldered connections. The tests outlined are used to evaluate the critical performance properties and physical and chemical characteristics of thread compounds under laboratory conditions.

This edition of RP 5A3 is the identical national adoption of ISO 13678:2010. Pages: 47.3rd Edition | November 2009 | Reaffirmed: April 2015

3rd Edition | November 2009 | Reaffirmed: April 2015.Product Number: GX5A303 | Price: $145.00

Product Number: GX5A303 | Price: $145.00

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API RP 5A5/ISO 15463:2003 – Field Inspection of New Casing, Tubing, and Plain-End Drill Pipe (includes Errata 1 dated December 2009)

API RP 5A5 specifies requirements and gives recommendations for field inspection and testing of oil country tubular goods (OCTG). This International Standard covers the practices and technology commonly used in field inspection;

however, certain practices may also be suitable for mill inspections. Covers the qualification of inspection personnel, a description of inspection methods and apparatus calibration and standardization procedures for various inspection methods. The evaluation of imperfections and marking of inspected OCTG are included. Applicable to field inspection of OCTG and is not applicable for use as a basis for acceptance or rejection.

This edition of RP 5A5 is the identical national adoption of ISO 15463:2003. Pages: 118.

7th Edition | June 2005 | Reaffirmed: April 2015.

Product Number: GX5A507 | Price: $157.00

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Spec 5B – Specification for Threading, Gauging, and Thread Inspection of Casing, Tubing, and Line Pipe Threads:

Spec 5B covers dimensions and marking requirements for API Master thread gauges. Additional product threads and thread gauges, as well as instruments and methods for the inspection of threads for line pipe, round thread casing, buttress casing, and extreme-line casing connections, are included. It is applicable when so stipulated in the API standard governing the product. The inspection procedures for measurements of taper, lead, height, and angle of thread are applicable to threads having 111/2 or less turns per in. (111/2 or less turns per 25.4 mm). All thread dimensions shown without tolerances are related to the basis for connection design and are not subject to measurement to determine acceptance or rejection of product. Pages: 125.

15th Edition | April 2008 | Effective Date: October 1, 2008.

Reaffirmed: April 2015 | 2-Year Extension: June 2013.

Product Number: G5B015 | Price: $118.00

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API RP 5C1 – Recommended Practice for Care and Use of Casing and Tubing:

API RP 5C1 covers use, transportation, storage, handling, and reconditioning of casing and tubing. Pages: 31.

18th Edition | May 1999 | Reaffirmed: May 2015.

Product Number: G05C18 | Price: $115.00

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API BULL 5C2 – Bulletin on Performance Properties of Casing, Tubing, and Drill Pipe:

This bulletin is not intended as a design manual. Its purpose is to provide minimum performance properties on which the design of casing, tubing, and drill pipe strings may be based.

The performance properties as given herein cover the grades, sizes, and weights of casing, tubing, and drill pipe as given in API Specification 5CT.

Formulas and procedures for calculating the values are given in Bulletin 5C3. Formulas and calculations appearing in the 13th and preceding editions of Bull 5C2 were transferred in 1971 to Bull 5C3: Bulletin on Formulas and Calculations for Casing, Tubing, Drill Pipe, and Line Pipe Properties. Page count: 62.

Revision: 21st Edition, October 1, 1999

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API BULL 5C3 – Bulletin on Formulas and Calculations for Casing, Tubing, Drill Pipe, and Line Pipe Properties:

The purpose of this bulletin is to show the formulas used in the calculation of the various pipe properties given in API standards, including background information regarding their development and use. This bulletin is under the jurisdiction of the Committee on Standardization of Tubular Goods.

Published Date: April 1999

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API TR 5C3/ISO 10400:2007 – Technical Report on Equations and Calculations for Casing, Tubing, and Line Pipe used as Casing or Tubing; and Performance Properties Tables for Casing and Tubing (includes Addendum 1 dated October 2015):

API TR 5C3 illustrates the equations and templates necessary to calculate the various pipe properties given in International Standards, including:

pipe performance properties, such as axial strength, internal pressure resistance, and collapse resistance,

minimum physical properties,

product assembly force (torque),

product test pressures,

critical product dimensions related to testing criteria,

critical dimensions of testing equipment, and

critical dimensions of test samples.

This edition of TR 5C3 is the identical national adoption of ISO 10400:2007 and supersedes Bull 5C2 and Bull 5C3. Pages: 378.1st Edition | December 2008 | Product Number: G5C301 | Price: $206.00

1st Edition | December 2008 | Product Number: G5C301 | Price: $206.00

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API RP 5C5/ISO 13679:2002 – Recommended Practice on Procedures for Testing Casing and Tubing Connections:

API RP 5C5 establishes minimum design verification testing procedures and acceptance criteria for casing and tubing connections for the oil and natural gas industries. These physical tests are part of a design verification process and provide objective evidence that the connection conforms to the manufacturer’s claimed test load envelope and limit loads.

This edition of RP 5C5 is the identical national adoption of ISO 13679:2002. Pages: 139.

3rd Edition | July 2003 | Reaffirmed: April 2015.

Product Number: GX5C503 | Price: $163.00

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API RP 5C6 – Welding Connections to Pipe:

API RP 5C6 created to provide a standard industry practice for the shop or field welding of connectors to pipe. The technical content provides requirements for welding procedure qualification, welder performance qualification, materials, testing, production welding, and inspection. Additionally, suggestions for ordering are included. Pages: 7.

2nd Edition | March 2006 | Reaffirmed: September 2012.

Product Number: G05C62 | Price: $86.00

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Spec 5CRA/ISO 13680:2008 – Specification for Corrosion Resistant Alloy Seamless Tubes for Use as Casing, Tubing, and Coupling Stock (includes Errata 1 dated August 2011):

Spec 5CRA specifies the technical delivery conditions for corrosion-resistant alloy seamless tubulars for casing, tubing, and coupling stock for two product specification levels.

This edition of Spec 5CRA is the identical national adoption of ISO 13680:2010. Pages: 87.

1st Edition | February 2010 | Effective Date: August 1, 2010

Reaffirmed: April 2015 | Product Number: GG5CRA01 | Price: $155.00

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Spec 5CT – Specification for Casing and Tubing (includes Errata 1 dated September 2012):

Spec 5CT specifies the technical delivery conditions for steel pipes (casing, tubing, plain end casing liners, and pup joints) and accessories.

This standard is applicable to the following connections in accordance with Spec 5B:

short round thread casing (STC);

long round thread casing (LC);

buttress thread casing (BC);

extreme-line casing (XC);

non-upset tubing (NU);

external upset tubing (EU);

integral joint tubing (IJ).

This standard specifies the technical delivery conditions for steel pipes (casing, tubing, and pup joints), coupling stock, coupling material, and accessory material and establishes requirements for three Product Specification Levels (PSL-1, PSL-2, PSL-3). The requirements for PSL-1 are the basis of this standard. The requirements that define different levels of standard technical requirements for PSL-2 and PSL-3, for all grades except H-40, L-80 9Cr, and C110, are contained in Annex H. This standard can also be applied to tubulars with connections not covered by API standards. This standard is not applicable to threading requirements. This standard is based on the 8th Edition of Spec 5CT. Pages: 269.

9th Edition | July 2011 | Effective Date: January 1, 2012.

Product Number: G5CT09 | Price: $237.00

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Spec 5DP/ISO 11961:2008 – Specification for Drill Pipe:

Spec 5DP specifies the technical delivery conditions for steel drill-pipes with upset pipe-body ends and weld-on tool joints for use in drilling and production operations in petroleum and natural gas industries for three product specification levels (PSL-1, PSL-2, and PSL-3). This International Standard covers the following grades of drill-pipe:

grade E drill-pipe;

high-strength grades of drill-pipe, grades X, G, and S.

This International Standard can also be used for drill-pipe with tool joints not specified by ISO or API standards. This International Standard is based on Spec 5D and Spec 7.

This edition of Spec 5DP is the identical national adoption of ISO 11961:2008. This specification contains the API Monogram Annex as

part of the U.S. national adoption. Pages: 112.

1st Edition | August 2009 | Effective Date: August 1, 2010.

Reaffirmed: April 2015 | Product Number: GX5DP01 | Price: $181.00

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ISO 11960:2014 – Steel pipes for use as casing or tubing for wells:

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ISO 13679:2002 – Procedures for testing casing and tubing connections:

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