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CSA Z662-07 PDF

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CSA Z662-07 PACKAGE SMART


Consists of

Z662-07, Oil and Gas Pipeline Systems and

Z662.1-07, Commentary on CSA Z662-07, Oil and Gas Pipeline Systems,


Includes Update No. 1 and Update No. 2 (2008)

Canadian Standards Association / 01-Jun-2007 / 808 pages


Preface

This is the fifth edition of CSA Z662, Oil and gas pipeline systems. It supersedes the previous editions published in 2003, 1999, 1996, and 1994.

1 Scope

1.1 This Standard covers the design, construction, operation, and maintenance of oil and gas industry pipeline systems that convey
(a) liquid hydrocarbons, including crude oil, multiphase fluids, condensate, liquid petroleum products, natural gas liquids, and liquefied petroleum gas;
(b) oilfield water;
(c) oilfield steam;
(d) carbon dioxide used in oilfield enhanced recovery schemes; or
(e) gas.
Note: Designers are cautioned that the requirements in this Standard might not be appropriate for gases other than natural gas, manufactured gas, or synthetic natural gas.

1.2 The scope of this Standard, as shown in Figures 1.1 and 1.2, includes
(a) for oil industry fluids, piping and equipment in offshore pipelines, onshore pipelines, tank farms, pump stations, pressure-regulating stations, and measuring stations;
(b) oil pump stations, pipeline tank farms, and pipeline terminals;
(c) pipe-type storage vessels;
(d) for carbon dioxide pipeline systems, piping and equipment in onshore pipelines, pressure-regulating stations, and measuring stations;
(e) for gas industry fluids, piping and equipment in offshore pipelines, onshore pipelines, compressor stations, measuring stations, and pressure-regulating stations;
(f) gas compressor stations; and
(g) gas storage lines and pipe-type and bottle-type gas storage vessels.

1.3 This Standard does not apply to
(a) piping with metal temperatures below -70 脗掳C;
(b) piping (except oilfield steam distribution piping) with metal temperatures above 230 脗掳C;
(c) gas piping beyond the outlet of the customer's meter set assembly (covered by CAN/CSA-B149.1);
(d) piping in natural gas liquids extraction plants, gas processing plants (except main gas stream piping in dehydration and all other processing plants installed as part of gas pipeline systems), gas manufacturing plants, industrial plants, and mines;
(e) oil refineries, terminals other than pipeline terminals, and marketing bulk plants;
(f) abandoned piping;
(g) in-plant piping for drinking, make-up, or boiler feed water;
(h) casing, tubing, or pipe in oil or gas wells, wellheads, separators, production tanks, and other production facilities;
(i) vent piping for waste gases of any kind operating at or near atmospheric pressure;
(j) heat exchangers;
(k) liquefied natural gas systems (covered by CSA Z276);
(l) liquid fuel distribution systems;
(m) loading/unloading facilities for tankers or barges;
(n) refuelling facilities; and
(o) hydrocarbon storage in underground formations and associated equipment (covered by CSA Z341
Series).

1.4 This Standard is intended to establish essential requirements and minimum standards for the design, construction, operation, and maintenance of oil and gas industry pipeline systems. This Standard is not a design handbook, and competent engineering judgment should be employed with its use. Note: For steel pipe of grade higher than Grade 555, requirements in addition to those specified in this Standard might be needed. Matters that should be considered include joining, strain capacity (including cold bending), pressure testing, assessment of imperfections, and repair.

1.5 The requirements of this Standard are applicable to the operation, maintenance, and upgrading of existing installations; however, it is not intended that such requirements be applied retroactively to existing installations insofar as design, materials, construction, and established operating pressures are concerned.

1.6 Unless otherwise stated, to determine conformance with the specified requirements, it is intended that observed or calculated values be rounded to the nearest unit in the last right-hand place of figures used in expressing the limiting value, in accordance with the rounding method of ASTM E 29.

1.7 Where any requirements of this Standard are at variance with the requirements of other publications referenced in this Standard, it is intended that the requirements of this Standard govern.

1.8 It is not the intent of this Standard to prevent the development of new equipment or practices, or to prescribe how such innovations are to be handled.

1.9 In CSA Standards, "shall" is used to express a requirement, i.e., a provision that the user is obliged to satisfy in order to comply with the standard; "should" is used to express a recommendation or that which is advised but not required; "may" is used to express an option or that which is permissible within the limits of the standard; and "can" is used to express possibility or capability. Notes accompanying clauses do not include requirements or alternative requirements; the purpose of a note accompanying a clause is to separate from the text explanatory or informative material. Notes to tables and figures are considered part of the table or figure and may be written as requirements. Annexes are designated normative (mandatory) or informative (non-mandatory) to define their application.

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Z662.1-07

Preface

This is the third edition of CSA Z662.1, Commentary on CSA Z662-07, Oil and gas pipeline systems. This Commentary is not part of the Standard, and it has not been formally reviewed or approved by the Technical Committee responsible for CSA Z662. It does not provide formal interpretations of the Standard and should be viewed as an informal annotation of portions of the Standard, as compiled by several individuals who were involved in its development.

1 Scope

1.1

- The scope statement indicates which aspects and parts of pipeline systems and which service fluids are covered by the Standard.

- Carbon dioxide was added as a new service fluid in 1996. The definition of "gas" was changed in 1983 to accommodate the coverage of gaseous service fluids other than fuel gas and sour gas; however, until 1996, none had been added.

- The carbon dioxide pipelines that are covered are those onshore pipelines that are for use in enhanced oil recovery operations, involving the transportation of high-purity carbon dioxide from a suitable source to the injection site at an oil well. These pipelines were added to the Standard because it was considered that there had been sufficient experience with such an application to warrant their inclusion. Pure carbon dioxide is non-toxic and non-flammable; however, it has some specific characteristics that necessitated the addition of requirements specific to carbon dioxide pipeline systems. It should be noted that the definition of a carbon dioxide pipeline permits the service fluid in such a pipeline to be other than pure carbon dioxide, so additional special requirements are in some cases appropriate.

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