CAN/CSA-Z341 SERIES-02
Storage of Hydrocarbons in Underground Formations
détails du produit
Update #1 was published as notification that this is now a National Standard of Canada
Preface
This is the first edition of the CSA Z341 Series of Standards, Storage of Hydrocarbons in Underground Formations, which consists of Z341.1, Reservoir Storage; Z341.2, Salt Cavern Storage; and Z341.3, Mined Cavern Storage. It replaces the previous editions published in 1998 and 1993 as a single Standard under the designation Z341.
The main changes are
a) a shift to performance-based requirements;
b) a division into three separate standards pertaining to reservoir, salt cavern, and mined cavern storage;
c) the removal of clauses pertaining to sour service storage operations since no sour service storage operations exist in Canada and the requirements previously provided were not comprehensive;
d) improvements to the organization and language of the series;
e) the addition of commentary that provides rationales and technical elaboration for various clauses in each Standard.
Every effort has been made to provide commentary that complements and clarifies the respective sections of the Standard. Where there is the possibility of ambiguity or contradictions in interpretation, the wording and requirements of the Standard take precedence.
This Standard was prepared by the Technical Committee on Storage of Hydrocarbons in Underground Formations, under the jurisdiction of the Strategic Steering Committee on Oil and Gas Industry Systems and Materials, and has been formally approved by the Technical Committee. This series of Standards will be submitted to the Standards Council of Canada for approval as National Standards of Canada.
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Z341.1-02 - Reservoir Storage
Scope
1.1
This Standard sets out the minimum requirements for the design, construction, operation, maintenance, abandonment, and safety of hydrocarbon storage in underground formations and associated equipment.
The equipment considered includes
a) storage wellhead and Christmas tree assemblies;
b) wells and subsurface equipment; and
c) safety equipment, including monitoring, control, and emergency shutdown systems.
Hydrocarbons within the scope of this Standard include crude oil, diesel, natural gas, methane, ethane, propane, butane, and other hydrocarbons by themselves or in mixtures.
1.2
The scope of this Standard is shown in Figure 1.
1.3
This Standard does not apply to
a) underground storage facilities for gases or fluids other than hydrocarbons, such as storage facilities used for air storage, unless these fluids are used specifically for the displacement of stored hydrocarbons;
b) underground storage facilities used for storing substances other than hydrocarbons, such as reaction chambers and waste disposal;
c) underground storage in overburden materials involving the use of tanks, such as gasoline tanks;
d) design and fabrication of pressure vessels that are covered by pressure vessel codes;
e) heat exchangers, pumps, compressors, and piping in processing plant facilities, manufacturing plants, or industrial plants that are covered by appropriate codes;
f) gathering lines, flow lines, metering, compressors, and associated surface equipment beyond the first emergency shutdown or block valve; or
g) storage of hydrocarbons containing hydrogen sulphide in concentrations greater than 10 mol/kmol.
1.4
It is not the intent of this Standard to prevent the development of new equipment or practices, nor to prescribe how such innovations should be handled.
1.5
Where any requirements of this Standard are at variance with the requirements of other Standards or Codes incorporated by reference into this Standard, the requirements of this Standard take precedence.
1.6
The requirements of this Standard do not apply retroactively to existing installations and installations under construction at the time of its approval, but they do apply to the extension, replacement, maintenance, and upgrading of such installations.
1.7
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; and may is used to express an option or that which is permissible within the limits of the standard. 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. Legends to equations and figures are considered requirements.
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Z341.2-02 - Salt Cavern Storage
Scope
1.1
This Standard sets out the minimum requirements for the design, construction, operation, maintenance, abandonment, and safety of hydrocarbon storage in underground formations and associated equipment.
The equipment considered includes
a) storage wellhead and Christmas tree assemblies;
b) wells and subsurface equipment; and
c) safety equipment, including monitoring, control, and emergency shutdown systems.
Hydrocarbons within the scope of this Standard include crude oil, diesel, natural gas, methane, ethane, propane, butane, and other hydrocarbons by themselves or in mixtures.
1.2
The scope of this Standard is shown in Figure 1.
1.3
This Standard does not apply to
a) underground storage facilities for gases or fluids other than hydrocarbons, such as storage facilities used for air storage, unless these fluids are used specifically for the displacement of stored hydrocarbons;
b) underground storage facilities used for storing substances other than hydrocarbons, such as reaction chambers and waste disposal;
c) underground storage in overburden materials involving the use of tanks, such as gasoline tanks;
d) design and fabrication of pressure vessels that are covered by pressure vessel codes;
e) heat exchangers, pumps, compressors, and piping in processing plant facilities, manufacturing plants, or industrial plants that are covered by appropriate codes;
f) gathering lines, flow lines, metering, compressors, and associated surface equipment beyond the first emergency shutdown or block valve; or
g) storage of hydrocarbons containing hydrogen sulphide in concentrations greater than 10 mol/kmol.
1.4
It is not the intent of this Standard to prevent the development of new equipment or practices, nor to prescribe how such innovations should be handled.
1.5
Where any requirements of this Standard are at variance with the requirements of other Standards or Codes referenced in this Standard, the requirements of this Standard take precedence.
1.6
The requirements of this Standard do not apply retroactively to existing installations and installations under construction at the time of its approval, but they do apply to the extension, replacement, maintenance, and upgrading of such installations.
1.7
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; and may is used to express an option or that which is permissible within the limits of the standard. 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. Legends to equations and figures are considered requirements.
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Z341.3-02 - Mined Cavern Storage
Scope
1.1
This Standard sets out the minimum requirements for design, construction, operation, maintenance, abandonment, and safety of hydrocarbon storage in underground formations and associated equipment. The equipment considered includes storage wellhead and Christmas tree assemblies; wells and subsurface equipment; safety equipment, including monitoring, control, and emergency shutdown systems. Hydrocarbons within the scope of this Standard include crude oil, diesel, natural gas, methane, ethane, propane, butane, and other hydrocarbons by themselves or in mixtures.
1.2
The scope of this Standard is shown in Figure 1.
1.3
This Standard does not apply to
a) underground storage facilities for gases or fluids other than hydrocarbons, such as storage facilities used for air storage, unless these fluids are used specifically for the displacement of stored hydrocarbons;
b) underground storage facilities used for storing substances other than hydrocarbons, such as reaction chambers and waste disposal;
c) underground storage in overburden materials involving the use of tanks, such as gasoline tanks;
d) design and fabrication of pressure vessels that are covered by pressure vessel codes;
e) heat exchangers, pumps, compressors, and piping in processing plant facilities, manufacturing plants, or industrial plants that are covered by appropriate codes;
f) gathering lines, flow lines, metering, compressors, and associated surface equipment beyond the first emergency shutdown or block valve; or
g) storage of hydrocarbons containing hydrogen sulphide in concentrations greater than 10 mol/kmol.
1.4
It is not the intent of this Standard to prevent the development of new equipment or practices, nor to prescribe how such innovations should be handled.
1.5
Where any requirements of this Standard are at variance with the requirements of other Standards or Codes incorporated by reference into this Standard, the requirements of this Standard take precedence.
1.6
The requirements of this Standard do not apply retroactively to existing installations and installations under construction at the time of its approval, but they do apply to the extension, replacement, maintenance, and upgrading of such installations.
1.7
In CSA Standards, âshallâ is used to express a requirement, i.e., a provision that the user is obliged to satisfy in order to comply with the standard; âshouldâ is used to express a recommendation or that which is advised but not required; and âmayâ is used to express an option or that which is permissible within the limits of the standard. 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. Legends to equations and figures are considered requirements.
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