Acoustic frequency spectrum characteristics in periodic drill string under tension

by Qing Wang, Zhichuan Guan, Yongwang Liu
Published 2020-08-01

Dynamic Characteristics of Downhole Bit Load and Analysis of Conversion Efficiency of Drill String Vibration Energy

by Yuqiang Xu, Hongning Zhang, Zhichuan Guan
Published 2021-01-01

The quantitative description of gas-cut degree in deepwater drilling

by Yuqiang XU, Zhichuan GUAN, Huizeng ZHANG, Hongning ZHANG
Published 2016-04-01

Development and Application of the Downhole Drilling String Shock-Absorption and Hydraulic Supercharging Device

by Yongwang Liu, Zhichuan Guan, Hongning Zhang, Bo Zhang
Published 2016-01-01

Numerical Simulation Study on Propagation of Initial Microcracks in Cement Sheath Body during Hydraulic Fracturing Process

by Yuqiang Xu, Yan Yan, Shenqi Xu, Zhichuan Guan
Published 2020-03-01

Prediction of sustained annular pressure and the pressure control measures for high pressure gas wells

by Bo ZHANG, Zhichuan GUAN, Qi ZHANG, Dong HAN
Published 2015-08-01

Study on Method of Determining the Safe Operation Window of Drilling Fluid Density with Credibility in Deep Igneous Rock Strata

by Chao Han, Zhichuan Guan, Chuanbin Xu, Fuhui Lai, Pengfei Li
Published 2021-01-01

Equipment and technique for improving penetration rate by the transformation of drill string vibration to hydraulic pulsating jet

by Zhichuan GUAN, Hongning ZHANG, Wei ZHANG, Yongwang LIU, Deyang LIANG
Published 2014-10-01

Impact of wellbore fluid properties on trapped annular pressure in deepwater wells

by Bo ZHANG, Zhichuan GUAN, Yanan SHENG, Qing WANG, Chuanbin XU
Published 2016-10-01

Analysis on the weight-on-bit transmission efficiency of the static push-the-bit rotary steerable system

by Yucai Shi, Zhixiang Teng, Jing Bai, Zhichuan Guan, Qingcheng Liu, Heng Wang
Published 2019-06-01

A Theoretical Model of Residual Magnetic Field around a Pre-Magnetized Casing String

by Yucai Shi, Dongyue Jia, Zhichuan Guan, Yuqiang Xu, Weixing Yang, Duanrui Zhang
Published 2020-08-01

The Influence of Casing-Sand Adhesion on Cementing Bond Strength.

by Xiaofeng Zhao, Zhichuan Guan, Minglei Xu, Yucai Shi, Hualin Liao, Jia Sun
Published 2015-01-01

Failure and mitigation study of packer in the deepwater HTHP gas well considering the temperature-pressure effect during well completion test

by Cheng Li, Zhichuan Guan, Bo Zhang, Qing Wang, Hongqiao Xie, Yan Yan, Chao Han
Published 2021-08-01

A Powerful Build-Up Rate (BUR) Prediction Method for the Static Push-the-Bit Rotary Steerable System (RSS)

by Yucai Shi, Zhixiang Teng, Zhichuan Guan, Jing Bai, Wei Lv, Hualin Liao, Yuqiang Xu, Yongwang Liu
Published 2020-09-01