Search Results - "Zeng, Dezhi"

Study on the effect of interface failure between casing and cement sheath on casing stress under non-uniform in-situ stress by Kuanhai, Deng, Xie, Pengfei, Yue, Yuan, Dezhi, Zeng, Qiong, Li, Yuanhua, Lin

“…•Mechanical model of casing-cement-formation considering interface failure is built.•Combination effects of interface failure and NUS on casing stress are…”
Get full text

Investigation of erosion behaviors of sulfur-particle-laden gas flow in an elbow via a CFD-DEM coupling method by Zeng, Dezhi, Zhang, Enbo, Ding, Yanyan, Yi, Yonggang, Xian, Qibiao, Yao, Guangju, Zhu, Hongjun, Shi, Taihe

“…In the production and gathering process of natural gas with the high sulfur content, due to the variations in temperature, pressure, and other factors, sulfur…”
Get full text

Mechanochromism and optical remodeling of multi-network elastomers containing anthracene dimers by Zhang, Huan, Zeng, Dezhi, Pan, Yifei, Chen, Yinjun, Ruan, Yonghong, Xu, Yuanze, Boulatov, Roman, Creton, Costantino, Weng, Wengui

“…Multi-network elastomers are both stiff and tough by virtue of containing a pre-stretched stiff network that can rupture and dissipate energy under load…”
Get full text

Damage evaluation of carbon fiber reinforced composites under corrosion condition of sour gas well by Wujun, Chen, Zhiming, Yu, Rui, Zhang, Dezhi, Zeng, Baojun, Dong, Xi, Wang, Kunji, Ming

“…The paper focuses on the excellent chemical inertness characteristics of nonmetallic materials and evaluates the performance of three types of new carbon…”
Get full text

A Study on the Influential Factors of Stress Corrosion Cracking in C110 Casing Pipe by Wang, Zhe, Wang, Pingquan, Zeng, Dezhi, Shi, Taihe, Deng, Wenliang

“…In this paper, we analyze the potential factors affecting the hydrogen sulfide type of stress corrosion cracking in C110 casing pipes. In order to further…”
Get full text

2-Hydroxy-4-methoxy-acetophenone as an environment-friendly corrosion inhibitor for AZ91D magnesium alloy by Hu, Junying, Zeng, Dezhi, Zhang, Zhi, Shi, Taihe, Song, Guang-Ling, Guo, Xingpeng

“…•Paeonol effectively inhibits the corrosion of AZ91D Mg alloy in 0.05wt.% NaCl solution.•The best inhibition is achieved with 50ppm paeonol addition.•Paeonol…”
Get full text

Experimental studies on corrosion of cement in CO2 injection wells under supercritical conditions by Yuanhua, Lin, Dajiang, Zhu, Dezhi, Zeng, Yuanguang, Yang, Taihe, Shi, Kuanhai, Deng, Chengqiang, Ren, Deping, Zhang, Feng, Wang

“…•Cement corrosion experiments were conducted in supercritical CO2.•The experimental conditions were both static and dynamic situations.•The temperature and…”
Get full text

Asymmetric calibration method on a back‐to‐back double‐loop differential magnetic field probe by He, Xiao, Huang, Lijuan, Zeng, Dezhi, Hou, Bo, Chi, Yuan, Li, En

“…The asymmetric calibration method is a very interesting technology for differential output probes. It has been proven that the asymmetric calibration method…”
Get full text

The failure patterns and analysis process of drill pipes in oil and gas well: A case study of fracture S135 drill pipe by Yu, Zhiming, Zeng, Dezhi, Hu, Shurui, Zhou, Xiaomin, Lu, Wei, Luo, Jiang, Fan, Yunting, Meng, Keyu

“…•Main failure patterns of drill pipe are clarified.•Analysis processes and methods of pipe failure are put forward.•Fracture failure reasons and mechanism of…”
Get full text

Corrosion Behaviors of Q345R Steel at the Initial Stage in an Oxygen-Containing Aqueous Environment: Experiment and Modeling by Chen, Longjun, Hu, Junying, Zhong, Xiankang, Zhang, Qiang, Zheng, Yan, Zhang, Zhi, Zeng, Dezhi

“…The ingress of oxygen into pressure vessels used in oil & gas production and transportation could easily result in serious corrosion. In this work, the…”
Get full text

The Combination of RNA and Protein Profiling Reveals the Response to Nitrogen Depletion in Thalassiosira pseudonana by Jian, Jianbo, Zeng, Dezhi, Wei, Wei, Lin, Hongmin, Li, Ping, Liu, Wenhua

“…Nitrogen (N) is essential for the growth of algae, and its concentration varies greatly in the ocean, which has been regarded as a limitation for phytoplankton…”
Get full text

Integrity tests of cement sheath for shale gas wells under strong alternating thermal loads by Yuanhua Lin, Kuanhai Deng, Hao Yi, Dezhi Zeng, Liang Tang, Qi Wei

“…During large-scale hydraulic fracturing in shale gas horizontal wells, a cement sheath easily loses its integrity due to the fluctuation and continuous change…”
Get full text

Corrosion Mechanism and Applicability Assessment of N80 and 9Cr Steels in CO2 Auxiliary Steam Drive by Dong, Baojun, Zeng, Dezhi, Yu, Zhiming, Cai, Lele, Shi, Shanzhi, Yu, Huiyong, Zhao, Haiyan, Tian, Gang

“…Corrosion tests were conducted in a high-temperature high-pressure (HTHP) autoclave to simulate the conditions of CO 2 auxiliary steam drive in gas injection…”
Get full text

Corrosion damage behaviors of rubber O-rings under simulated acid fracturing conditions by Dezhi Zeng, Yang Zhong, Dayong Cao, Peng Zhao, Tuanhui Fu, Yadong Qi

“…To explore the damage behavior of O-ring in acid environment, a high-temperature and high-pressure (HTHP) autoclave was used to simulate the service…”
Get full text

Burst strength of tubing and casing based on twin shear unified strength theory by Lin, Yuanhua, Deng, Kuanhai, Sun, Yongxing, Zeng, Dezhi, Liu, Wanying, Kong, Xiangwei, Singh, Ambrish

“…The internal pressure strength of tubing and casing often cannot satisfy the design requirements in high pressure, high temperature and high H2S gas wells…”
Get full text

Interpretable machine learning for maximum corrosion depth and influence factor analysis by Song, Yuhui, Wang, Qinying, Zhang, Xingshou, Dong, Lijin, Bai, Shulin, Zeng, Dezhi, Zhang, Zhi, Zhang, Huali, Xi, Yuchen

“…We have employed interpretable methods to uncover the black-box model of the machine learning (ML) for predicting the maximum pitting depth ( dmax ) of oil and…”
Get full text

Through-wall yield collapse pressure of casing based on unified strength theory by LIN, Yuanhua, DENG, Kuanhai, SUN, Yongxing, ZENG, Dezhi, XIA, Tianguo

“…The unified algorithm of through-wall yield collapse pressure for casing with due consideration of strength differential (SD), yield-to-tensile strength ratio,…”
Get full text

Effect of Heat Treatment on Microstructure and Mechanical Properties of API X90 Pipeline Steel Welded Joints by Zhang, Defen, Gong, Lijie, Chen, Xiaowen, She, Siyue, Jiang, Xuan, Zeng, Dezhi

“…In this work, X90 pipeline steel was welded by shielded metal arc welding with root and submerged arc welding with calk and cap. After that, the joint was…”
Get full text

PTC-MAS: A Deep Learning-Based Preoperative Automatic Assessment of Lymph Node Metastasis in Primary Thyroid Cancer by Fu, Ruqian, Yang, Hao, Zeng, Dezhi, Yang, Shuhan, Luo, Peng, Yang, Zhijie, Teng, Hua, Ren, Jianli

“…Identifying cervical lymph node metastasis (LNM) in primary thyroid cancer preoperatively using ultrasound is challenging. Therefore, a non-invasive method is…”
Get full text

Sour Corrosion of C110 Steel and Its Influence by Galvanic Couple and Stress by Ren, Chengqiang, Zeng, Dezhi, Lin, Jianhui, Shi, Taihe, Chen, Weiguo

“…Combinational metals of casing or tubing string have been extensively used in deep sour gas wells because of their corrosion resistance and low costs. C110…”
Get full text