Results 51 to 60 of about 135 (92)

Identification and ranging of reservoir boundary in horizontal wells geosteering

Petroleum Exploration and Development, 2014
To make quantitative measurement of the distance between the drilling tool and the reservoir boundary in horizontal well drilling, this paper presented the method of “layer-detection ranging”, established the physical and mathematic models and designed ...
Lin LI, Xinmiao TENG, Limin SHENG, Mingbao ZHANG   +3 more
doaj   +1 more source

Testing of wells with horizontal completion in the conditions of terrigenous deposits of the Vietnamese shelf [PDF]

E3S Web of Conferences
The article presents a comprehensive approach to the design and results of drilling the first horizontal well in terrigenous deposits of one of the fields offshore Vietnam.
Agishev Ernest
doaj   +1 more source

Research on the Drilling Radar for Real Time Reservoir Boundary Detection Based on the High Frequency Electromagnetic Wave

Shiyou jixie, 2016
Real time reservoir boundary detection is needed to improve the reservoir contact probability during horizontal drilling. Drilling radar for real time reservoir boundary detection based on the high frequency electromagnetic wave has been proposed.
Zhang Haibo, Teng Xinmiao, Mao Weimin, Shi Rong, Yu Dezhou, Chen Li   +5 more
doaj  

Application of Logging While Drilling Tool in Formation Boundary Detection and Geo-steering

Sensors, 2019
Logging while drilling (LWD) plays a crucial role in geo-steering, which can determine the formation boundary and resistivity in real time. In this study, an efficient inversion, which can accurately invert formation information in real time on the basis
Gaoyang Zhu, Muzhi Gao, Fanmin Kong, Kang Li   +3 more
doaj   +1 more source

Survey of Collision Avoidance Systems for Underground Mines: Sensing Protocols. [PDF]

Sensors (Basel), 2022
Qian M, Zhao K, Li B, Gong H, Seneviratne A.   +4 more
europepmc   +1 more source

Research on calculation method of BI by logging while drilling of shale reservoirs: A case of Qiongzhusi formation in Cambrian, Weiyuan area

Youqicang pingjia yu kaifa, 2018
As a new parameter of the rock mechanics evaluation, the brittleness index （BI） has an important influence on the later fracturing and reconstruction of the reservoirs.
Wang Hanwei, Xia Hongquan, Liu Chang, Zhao Hao   +3 more
doaj  

Feasibility study of logging-while-drilling boundary detection using electric dipole antenna

Frontiers in Earth Science
The critical need for deep boundary detection in complex hydrocarbon reservoirs drives the advancement of Logging-while-drilling (LWD) azimuthal electromagnetic measurement (AEM). New deep detection tools employ open-loop half-circle electric dipole (ED)
Changhong Fan, Changhong Fan, Zhanshan Xiao, Haitao Hu, Shaogui Deng, Shaogui Deng, Yiren Fan, Yiren Fan, Chao Qi, Gang Liu   +9 more
doaj   +1 more source

Tight Sandstone Water Saturation Model Based on Complex Resistivity

Cejing jishu
To solve the problem that it is difficult to accurately calculate the water saturation in tight sandstone reservoirs due to complex pore structure, and strong heterogeneity, this paper takes the tight sandstone of the Xujiahe formation gas reservoir in ...
ZHAO Peiqiang, DUAN Wei, MIAO Xiangxi, LYU Qiran   +3 more
doaj   +1 more source

Gas content prediction model considering multi-factor coupling on shale by simplified local density model

Frontiers in Earth Science
The quantity of gas adsorbed by shale, typically quantified using the Langmuir equation in isothermal adsorption experiments, is a critical metric for evaluating the gas content and resource potential of shale formations.
Haomin Liu, Ran Zhang, Ran Zhang, Ruikang Cui   +3 more
doaj   +1 more source

Method of Predicting the Location of Water Cresting for Horizontal Wells in a Water-Drive Reservoir for Early Prevention. [PDF]

ACS Omega, 2020
Fu JY, Yue X, Lifeng L, Zhang L.
europepmc   +1 more source