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API 4G Inspection Compliance FAQs

This document summarizes responses to questions about API RP 4G, which provides guidance on inspection, maintenance, and repair of drilling and well servicing structures. The responses indicate that: 1) A Category IV inspection under API RP 4G does not require the original equipment manufacturer to be present or approve the inspection. 2) API RP 4G does not require the original equipment manufacturer to approve an owner's procedures for inspection, maintenance, and repair of equipment. 3) Mast and substructures on mobile offshore drilling units or fixed platforms are exempted from Category IV inspections under API RP 4G, but hydraulic workover units require Category IV inspections.

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1K views1 page

API 4G Inspection Compliance FAQs

This document summarizes responses to questions about API RP 4G, which provides guidance on inspection, maintenance, and repair of drilling and well servicing structures. The responses indicate that: 1) A Category IV inspection under API RP 4G does not require the original equipment manufacturer to be present or approve the inspection. 2) API RP 4G does not require the original equipment manufacturer to approve an owner's procedures for inspection, maintenance, and repair of equipment. 3) Mast and substructures on mobile offshore drilling units or fixed platforms are exempted from Category IV inspections under API RP 4G, but hydraulic workover units require Category IV inspections.

Uploaded by

insaan
Copyright
© © All Rights Reserved
We take content rights seriously. If you suspect this is your content, claim it here.
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Download as PDF, TXT or read online on Scribd
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API RP 4G Operation, Inspection, Maintenance, and Repair of Drilling and Well Servicing Structures LAST UPDATE: September 23rd,

T UPDATE: September 23rd, 2021


RFI ID Edition Add/Errata Section Subject Background Question Response
8635 5 4.2.5 OEM involvement in 4.2.5 states: "The Category IV inspection should be conducted Question: Does compliance with API Reply: No
inspection by or closely supervised by a Professional Engineer, OEM 4G Category IV inspection require that
representative or other manufacturer of drilling structures the Original Equipment Manufacturer
authorized representative. In addition, Category IV inspectors (OEM) must be present and approve
should satisfy the requirements of Category III inspectors. The the inspection?
NDT inspectors for a Category IV inspection shall be required,
as a minimum, to have certification as an ASNT Level II
Technician per ASNT specification SNT-TC-1A, ISO 9712, or an
equivalent standard. Personnel performing Category IV visual
inspection of welds shall be qualified and certified as follows:
— AWS certified welding inspector (CWI) or equivalent; or —
an engineer or technician who, by training or experience, or
both, in metals fabrication, inspection, and testing, is qualified
to perform inspection of the work."

8634 5 4.1.1 Users/owners should establish written procedures for Question: Does compliance with API Reply: No
inspection, maintenance, and repair of each item of equipment 4G require that the Original Equipment
or may utilize the written recommendations from the Manufacturer (OEM) must approve the
equipment manufacturer. Actions may be initiated based on, owners procedures for inspection,
but not limited to, one or more of the following criteria: — maintenance, and repair of each item
specific time intervals; — measurable wear limits; — non- of equipment?
performance of equipment; — environment; — experience
(history); — regulatory requirements; — equipment damaging
incident.
8221 5 6.3 Mast/derricks and substructures on mobile offshore drilling Question: Does this means mast & Reply: No. "Snubbing units" are out
units or fixed platforms are exempted from the requirements substructure for offshore hydraulic of scope for API 4G. "Hydraulic
of a Category IV inspection. workover/snubbing unit are exempted workover units" are "rigs that are
from CAT IV inspection? disassembled for transport from one
drilling location to another drilling
location" and require CAT IV
inspections.

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