Standards and Specifications

SIGS conducts its NDT, Lifting and DROPS inspections in line with the requirements of a variety of international standards, specifications and/or codes such as API, ASME, ASTM, EN, ISO, BS EN, BS EN ISO standards, as well as to local and/or regional requirements such as those stipulated by Dubai Accreditation Center (DAC), Petroleum Development Oman (PDO), Saudi ARAMCO, etc. SIGS maintains a comprehensive database of all relevant standards. Below is short highlight of a few standards/specifications utilized by SIGS:

API Specifications:

API RP 4G

Recommendation practice for use and procedures for inspection, maintenance and repair of drilling & well servicing structures.

API RP 5A5

Field inspection of new casing & tubing and plain end drill pipe.

API SPEC 5CT

Specification for casing & tubing.

API SPEC 5DP

Specification for drill pipe.

API SPEC 7, 7-1 & 7-2

Specification for rotary drill stem elements.

API RP 7G-2

Recommended practice for drill stem design & operating limits.

API RP 8B

Specification for maintenance, repair & re-manufacture of hoisting equipment.

API SPEC 11B

Specification for sucker rods.


ASME Specifications:

ASME SEC V – Non destructive testing standard


Proprietary Standards:

T.H.HILL associates standard DS-1 – Drill stem inspection

Fearnley Procter Group Standard NS-2 – Drill string inspection standard

Specifications and procedures developed by operating companies like PDO in Oman, DPE in Dubai etc.

IADC Manual (Latest Revision-2011)


Customer Specifications:

Customers specific requirements. 


Standards and Specifications used for Lifting Inspection

A comprehensive list of British, American and European standards are currently employed for inspecting most lifting equipment (list is available upon request)

SIGS Internal Lifting Equipment Procedure.

Dubai Accreditation Center, Dubai Municipality Lifting requirements and PDO lifting inspection procedures.


Standards and Specifications used for DROPS Inspection

DROPS Reliable Securing, Revision 3.

API RP 4G, API RP 8B and IADC requirements with specific reference to sections L & M.