Petroleum and natural gas industries. Downhole equipment. Sand screens1 Scope This International Standard provides the requirements and guidelines for sand control screens for use in the petroleum and natural gas industries. Included are the requirements for design, design validation, functional evaluation, manufacturing, storage and transport. The requirements of this International Standard are applicable to wire wrap screens, pre pack screens and metal mesh screens as defined herein. The following items are outside

NOTE This European Standard should be read in conjunction with EN 1317‑1

The 2/4 M system is defined by dividing a binary data sequence into two-bit data segments and converting these into four-cell codes using the data of the four bits preceding and the four bits succeeding the two-bit data segment

It defines a standard set of system configurations under which the structural design is carried out

b) office buildings and offices incorporated in premises of other uses

These bonded abrasive products are intended to be used for external cylindrical grinding between centres

BS EN 54-2:1998

BS EN 62516-2 is the second part of the multi-series standard on terrestrial digital multimedia broadcasting (T-DMB) receivers with a focus on interactive data services using BIFS

recommends methods for the fatigue assessment of parts of bridges which are subject to repeated fluctuations of stress

file organization

Single core unsheathed (H05G-K)

BS EN 12110 can help the design of airlocks and bulkheads in other compressed air work in construction

It defines message rules and procedures for communication utilizing XML