Recently, the 22nd China International Petroleum and Petrochemical Technology and Equipment Exhibition (cippe for short) was held in Shenzhen. The "Key Technologies for Safety Evaluation of Active Oil derricks and Offshore Structural Equipment" developed by our university has been unanimously awarded the "CIPP 2022 Exhibit Innovation Gold Award" by 11 senior experts including Professor Fu Chengde, Academician Zhai Guangming, Academician Zhang Laibin, Academician Li Yang and Academician Cao Chunxiao. It has been evaluated and certified by the Ministry of Petroleum Science and Technology Management of China as the international advanced level.

"Key Technologies for Safety Evaluation of Oil Derricks and Marine Structural Equipment in Service" is jointly completed by the School of Mechanical Science and Engineering of our school and Sanya Offshore Oil and Gas Research Institute.Since 2016, the project team of the School of Mechanical Science and Engineering and Sanya Offshore Oil and Gas Research Institute have tested 446 derrick types in total. In terms of other offshore testing, we have completed the testing of 1 offshore drilling rig base, 23 offshore cranes, 3 offshore platform structure monitoring and 2 onshore terminal pipelines monitoring.The project team has always been committed to providing reliable guarantee for the safe production of onshore and offshore oil and gas resources exploration and development, and providing theoretical basis and technical services for the safe production of various oil fields.

It is reported that the Cippe Product Innovation Gold Award was first established in 2012 to recognize and encourage innovative products and leading technologies that have made outstanding contributions to petroleum technology and equipment, and is known as the "Oscar" in the petroleum field.

Introduction of key technologies for safety evaluation of oil derricks and offshore structures

Due to the frequent disassembly and transportation of onshore derrick, the marine derrick and structural equipment are in a high salt marine corrosion environment all the year round, the dynamic load of drilling operation, overloading, hurricane waves in the marine environment and other factors, the derrick and marine structural equipment are prone to deformation, fatigue, cracks, rust and other damages during service, resulting in a significant reduction in the bearing capacity and durability of the derrick and marine structural equipment. It seriously affects the safety of onshore and offshore oil and gas drilling, development and production."Key Technologies for Safety Evaluation of Oil derrick and Marine structural Equipment in Service", through bearing test of physical prototype/indoor model/digital model, macroscopic (deformation) and microscopic (crack) damage detection, simulation test of digital twin model, and according to theoretical criterion of strength stability fracture fatigue, scientific and objective evaluation of safety bearing of oil derrick and marine structural equipment is given. At the same time, suggestions for repairing the damage of derrick and marine structure equipment are put forward.This technology has been proved to be scientific and feasible by a large number of practice and application. This technology has innovated the physical model and test device, damage identification and detection technology, structural performance testing technology, digital twinning and safety evaluation technology, and provided a guarantee for the safe production of onshore and offshore oil and gas resources exploration and development.