Jun,29

API SPEC 19V-2019 pdf download

API SPEC 19V-2019 pdf download

API SPEC 19V-2019 pdf download.Subsurface Completion Isolation (Barrier) Valves and Related Equipment.
1 Scope This specification provides the requirements for subsurface completion isolation (barrier) valves (SCIV) and related equipment as they are defined herein for use in the petroleum and natural gas industries. Included are the requirements for design, design validation grades, quality levels, manufacturing, functional evaluation, repair, redress, handling, and storage. SCIVs provide a means of isolating the formation or creating a blockage in the tubular to facilitate the performance of pre- and/or post-production/injection operational activities in the well. Additional requirements for HPHT products are included in Annex I. When closed, the SCIV provides an obstacle or impediment to flow and/or pressure from above and/or below and a means of isolating the formation within a conduit. The SCIV is not designed as an emergency or fail-safe flow-controlling safety device. This specification does not cover installation and maintenance, control systems such as computer systems, and control conduits not integral to the SCIV. Also not included are products covered under ISO 1 7078, ISO 1 6070, ISO 1 431 0, ISO 1 0432, ISO 10423, and the following products: downhole chokes, wellhead plugs, sliding sleeves, casing-mounted flow-control valves, injection valves, well-condition-activated valves, or drill-stem test tools. This specification does not cover the end connections to the well conduit. 2 Normative References The following referenced documents are indispensable for the application of this document. For dated references, only the edition cited applies. For undated references, the latest edition of the referenced document (including any amendments) applies. API 1 Technical Report 5C3, Calculating Performance Properties of Pipe Used as Casing or Tubing, Annex A API Specification 20A, Carbon Steel, Alloy Steel, Stainless Steel, and Nickel Base Alloy Castings for Use in the Petroleum and Natural Gas Industry API.
3.21 functional specification Features, characteristics, process conditions, boundaries, and exclusions defining the performance and use requirements of the products. 3.22 functional test Test processes performed to confirm proper operation of SCIV products. 3.23 heat Material originating from a final melt, or for re-melt alloys, the raw material originating from a single re-melt ingot. 3.24 heat-lot Material or components having undergone the same process or series of processes and being traceable to one heat of material. 3.25 heat treat lot A group (lot) of components of material that have undergone the same process or series of processes in a single heat treatment furnace load or continuous furnace run and are uniquely identified. 3.26 heat treatment Alternate steps of controlled heating and cooling of materials for the purpose of changing mechanical properties. 3.27 informative Information intended to enlighten the user/purchaser or supplier/manufacturer, without containing requirements. 3.28 injection valve Downhole valve that is normally closed and opened by injected flow within the primary conduit and used for long- term well injection to prevent backflow. 3.29 interchangeability State of conforming within specified tolerances, to both fit and function of a safe design but not necessarily to the form. 3.30 job-lot Batch of material or components that have undergone the same process or series of processes. NOTE This may include more than one heat.
3.33 minimum material condition Minimum geometrical dimensions and material properties, as allowed by the design specification. 3.34 model SCIV products with unique components and operating characteristics that differentiate them from other SCIV products of the same type. 3.35 normative Information or procedures mandatory for the user/purchaser or supplier/manufacturer to comply with this specification. 3.36 operating manual/operator’s manual Document issued by the supplier/manufacturer that contains detailed data and instructions related to the design, installation, operation, and maintenance of SCIV products. 3.37 operating temperature range Range defined by the minimum and maximum operating temperatures for products as specified by the supplier/ manufacturer. 3.38 post-production/injection Indicates the point in time when production/injection has begun. 3.39 pre-production/injection Indicates the point in time prior to injection or production. 3.40 profile Feature that is designed for the reception of a locking mechanism, ancillary tools, or SCIV tool. 3.41 proof test Testing specified by the manufacturer that is performed to verify that the SCIV meets the requirements of the technical specification that are relevant to the validation testing performance. 3.42 qualified person Individual or individuals with characteristics or abilities gained through training or experience, or both, as measured against established requirements, such as standards or tests that enable the individual to perform a required function.

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