Industrial Articles

Natural gas plays an increasingly important role in economic development as a cleaner energy source. Over the years, China has constructed several large-diameter natural gas pipelines, utilizing X80-grade steel pipes, such as the second and third generations of large-diameter pipelines. However, the construction of long-distance pipelines often faces challenging geological and climatic conditions, imposing

Background A significant tubing failure occurred in an ultra-deep well, with measured depths of 8,483.7 m and vertical depths of 8,228 m. The failures were observed in the 5th tubing and the 236th tubing, with specifications of Φ88.9 mm × 9.52 mm 110S and Φ88.9 mm × 6.45 mm 110S, respectively. Tubing 1–5: Slight

Introduction In the demanding field of petroleum equipment manufacturing, selecting the right material is crucial for ensuring the reliability and longevity of the machinery. AISI 4340 alloy steel bar has emerged as a top choice for many manufacturers due to its exceptional mechanical properties. This high-strength, low-alloy steel is renowned for its toughness, fatigue

Introduction: In the demanding world of rock drilling, material selection plays a crucial role in determining operational success and equipment longevity. Sanbar 61 Hollow Drill Steel has emerged as a leading choice among drilling equipment manufacturers, offering an optimal combination of strength, durability, and performance. This specialized steel grade, specifically engineered for rock drilling

Analysis and Application of Welding Technology for 4130 (30CrMo) + 16Mn Abstract: The author analyzes and introduces the welding technology of 4130 (30CrMo) + 16Mn for reference. Keywords: Welding technology; Experiment; Application Introduction From June 12 to August 15, 2010, Xinjiang Tuha Oilfield Construction Co., Ltd. undertook the Yudong Gas Injection Improvement Project for

Experimental Study on the Variation Law of Stress Corrosion Threshold Value of 4130X Steel Project Background This project originates from a sub-project (2016YFC0801905) of the National Key Research and Development Program during China's 13th Five-Year Plan titled "Predictive Life and Extension Key Technologies for Over-Serviced Pressure Equipment." It focuses on researching the life prediction

Control of Factors Influencing the Mechanical Properties of AISI 4130 Material Abstract AISI 4130 is widely used in wellhead equipment and oil tree equipment due to its high strength, good low-temperature impact properties, resistance to hydrogen sulfide-induced stress corrosion in acidic environments, and favorable price-to-performance ratio. Different strength properties can be achieved through varying

Tungsten Inert Gas Welding of 4130 Chrome Moly Steel Keywords: Chrome moly steel, elongation, TIG welding, crack sensitivity, sports equipment, weld bead, tungsten electrode, tubing, welding wire, heat treatment 4130 chrome moly steel is commonly used in many sports equipment applications. Due to its high strength, low elongation, and high impact strength, its usage

Factors Influencing the Quality of Petroleum Cementing and Strategies for Improvement Abstract: With advancements in technology, cementing has become widely utilized in petroleum extraction. Various factors can affect the quality of petroleum cementing during the extraction process. Therefore, petroleum extraction companies should develop effective strategies to address common issues encountered in cementing to improve

Understanding Permanent Plug-and-Abandonment Cementing Technology in Changqing Oilfield Abstract: Permanent plugging of oil wells is a critical phase in oilfield development and production activities. Research into plugging technology will further promote the development and production of oilfields. This paper focuses on analyzing the main operational procedures at permanent plugging construction sites and applies new