 |
| Purchase Information |
| Use this form to request purchase information on API online subscriptions. |
|
|
Document API SPEC 6A ADD 1 is offered by IHS as part of an online subscription. This subscription contains many documents on the same topic.
You may also purchase this document alone from the IHS Standards Store.
API SPEC 6A ADD 1 Document Information:
Title
Specification for Wellhead and Christmas Tree Equipment - Addendum 1
American Petroleum Institute
Publication Date:
Feb 1, 2008
Scope:
Purpose
This International Standard specifies requirements and gives
recommendations for the performance,
dimensional and functional interchangeability, design, materials,
testing, inspection, welding,
marking, handling, storing, shipment, purchasing, repair and
remanufacture of wellhead and
christmas tree equipment for use in the petroleum and natural gas
industries.
This International Standard does not apply to field use, field testing
or field repair of wellhead
and christmas tree equipment.
Applicability
This International Standard is applicable to the following specific
equipment.
a) Wellhead equipment:
- casing head housings;
- casing head spools;
- tubing head spools;
- cross-over spools;
- multi-stage head housings and spools.
b) Connectors and fittings:
- cross-over connectors;
- tubing head adapters;
- top connectors;
- tees and crosses;
- fluid-sampling devices;
- adapter and spacer spools.
c) Casing and tubing hangers:
- mandrel hangers;
- slip hangers.
d) Valves and chokes:
- single valves;
- multiple valves;
- actuated valves;
- valves prepared for actuators;
- check valves;
- chokes;
- surface and underwater safety valves and actuators;
- back-pressure valves.
e) Loose connectors [flanged, threaded, other end connectors (OEC),
and welded]:
- weld neck connectors;
- blind connectors;
- threaded connectors;
- adapter and spacer connectors;
- bullplugs;
- valve-removal plugs.
f) Other equipment:
- actuators;
- hubs;
- pressure boundary penetrations;
- ring gaskets;
- running and testing tools (in Annex H);
- wear bushings (in Annex H).
The nomenclature used in this International Standard for typical
equipment is shown in Figure 1 and
Figure 2. All parts whose physical dimensions conform to the metric
tables incorporated into the
body of this International Standard or to the US Customary units
tables in Annex B are acceptable
(see Introduction).
Service conditions
This International Standard defines service conditions, in terms of
pressure, temperature and
material class for the well-bore constituents, and operating
conditions.
Product specification levels (PSL)
This International Standard establishes requirements for five product
specification levels. These
five PSL designations define different levels of technical quality
requirements. Annex A provides
guidelines (not requirements) for selecting an acceptable PSL.
About IHS
IHS (NYSE: IHS) is a leading global provider of critical technical information, decision-support tools and related services in a number of industries including aerospace and defense, automotive, construction, electronics, and energy. IHS serves customers ranging from large governments and multinational corporations to smaller companies and technical professionals in more than 100 countries. IHS been in business for more than 45 years and employ more than 2,300 people around the world.
