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Model: API RP 4G

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Recommended Practice for Operation, Inspection, Maintenance, and Repair of Drilling and Well Servicing Structures, 4th Edition, Includes Errata (2013)

standard published 04/01/2012 by American Petroleum Institute

Product Details

Edition: 4th
Published: 04/01/2012
Number of Pages: 68
File Size: 1 file , 1.1 MB
Redline File Size: 2 files , 1.7 MB
Product Code(s): G04G04, G04G04, G04G04

Full Description

This document provides guidelines and establishes recommended procedures for inspection, maintenance, and repair of items for drilling and well servicing structures, in order to maintain the serviceability of this equipment. The information in this document should be considered as supplemental to, and not as a substitute for, the manufacturer's instructions and the recommendations in API 54.

Items of drilling and well servicing structures covered by this document include
- masts/derricks and accessories;
- substructures and accessories.

NOTE 1: Crown block sheaves and bearings are covered under API 8B.
NOTE 2: Offshore masts, derricks, substructures and accessories are not under the scope of this document relative to 6.2.4, Category IV inspection requirements.

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