We Provide Drilling and Well Control Equipment inspection services

Expert Drilling Inspections Worldwide

Inspection Services

When it comes to drilling, gas, and oil equipment inspections, DIIS engineers are the ones to call. We provide you with all the essential services required to succeed within this competitive industry.


Third Party Fabrication

Third-party quality control inspection of fabrication for Welding and NDT, also as well as inspection of bolting and painting of structural steel and piping. DIIS provides Quality Control (QA/QC) inspectors who are qualified inspectors (e.g., CWI & NDT). QA/QC inspectors perform fabrication inspection and verification of the manufacturing process.


Proudly Serving Houston Texas
Institute of Electrical and Electronic Engineers (IEEE) • International Organization of Standardization 9001:2008 Compliant
More than 30 Years of Experience

Who We Are

Drilling Industry Inspection Services LLC with headquarters in Houston Texas, Aberdeen and Singapore. We are a leading Drilling Inspection Services Company for Oil and Gas Equipment. DIIS are made up of a team of Industry professionals who have spent a significant amount of time offshore Inspection, Installing, Commissioning and maintaining communication, drilling, marine, navigation and well control equipment. DIIS also have experience assisting project teams in Shipyards with the installation and commissioning of all types of drilling and marine equipment. The founder has worked on Upgrade and New build projects in various engineering roles around the world. This first hand experience which encompassed the preparation of equipment specifications for purchase of drilling equipment as well as marine and well control equipment, which require Factory Acceptance Testing (FAT) and verification of the functionality of the equipment. The scope of work is to verify the OEM vendor meet the applicable class requirements (ABS & DNV), API, ASME, ASNT, AWS, IEEE, IEC, and other regulatory bodies.
DIIS have quality inspectors with a fabrication background, who are certified and qualified AWS/CWI (Certified Welding Inspector), ASNT NDT Level II (RT, MPI, DPI & UT) and familiar with ASME B31.3, AWS D1.1 API 6A, 16A, 16C & 17D. Also familiar with API Q1/ISO 9001:2008 with verifying the OEM Vendors are in compliance with there QMS by attending Pre-production meeting with the OEM and Class Society, review of ITP's, NCR's and Data Books (MRB).
DIIS can attend Factory Acceptance Testing utilizing Electrical and Mechanical Engineers on behalf of Oil Companies, Drilling Contractors and Shipyards.

© Copyright 2017 All Rights Reserved

Powered by: