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API RP 4G

4th Edition, April 2012

Complete Document

Operation, Inspection, Maintenance, and Repair of Drilling and Well Servicing Structures

Includes all amendments and changes through Addendum 1, August 2016


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G04G04
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API SPEC 4F
API RP 8B
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API SPEC 8C

Referenced Items:

API RP 54
API RP 9B

Product Details:

  • Revision: 4th Edition, April 2012
  • Published Date: August 2016
  • Status: Active, Most Current
  • Document Language: English
  • Published By: American Petroleum Institute (API)
  • Page Count: 68
  • ANSI Approved: No
  • DoD Adopted: No

Description / Abstract:

Objective

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.

Structures Covered

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.