Results 31 to 40 of about 16,600 (166)

Research and Application of Evaluation Methods for Functional Characteristics of Oil-Based Drilling Fluid in Shale Gas Wells

Geofluids, 2021
Intelligent unconventional reservoir optimal production control technology is a comprehensive technology, involving geology, reservoir simulation, and efficient drilling and completion.
Dewei Gao, Jiajun Xie, Shengming Huang, Shenyao Wu, Pengcheng Wu, Weian Huang   +5 more
doaj   +1 more source

Effect of Drilling Fluid Invasion on Natural Gas Hydrate Near-Well Reservoirs Drilling in a Horizontal Well

Energies, 2021
Horizontal wells can significantly improve the gas production and are expected to be an efficient exploitation method for the industrialization of natural gas hydrates (NGHs) in the future.
Qibing Wang, Ren Wang, Jiaxin Sun, Jinsheng Sun, Cheng Lu, Kaihe Lv, Jintang Wang, Jianlong Wang, Jie Yang, Yuanzhi Qu   +9 more
doaj   +1 more source

A Highly Inhibitive Vegetable Oil-Based Drilling Fluid

Zuanjingye yu wanjingye
This study aims at finding a more environmentally friendly and efficient oil-based drilling fluid to reduce drilling costs, to minimize the negative effects of the drilling fluid on the environment, to enhance the safety and quality of drilling operation,
Hua XIAO, Guangcai WANG, Yunda ZHANG, Wancheng LIU, Yun REN, Shixing WAN, Xiaolong WANG   +6 more
doaj   +1 more source

Multiple Synergistic Drilling Fluid System Application in Aihu Oilfield

MATEC Web of Conferences, 2017
The unstable layer of Aihu oilfield is characterized by strong hydration dispersion and weak expansion. The theory of multiple synergistic wall stabilization was applied to improve synergistic efficiency of the drilling fluid.
Liu Yingbiao, Lu Zongyu, Dang Wenhui, Zhu Zhongxi   +3 more
doaj   +1 more source

An experimental evaluation method of drilling fluid lost control efficiency considering loss types

Frontiers in Physics, 2023
There are serious drilling fluid loss problems in fractured reservoirs during drilling and completion. Indoor evaluation of the drilling fluid lost control effect is an important basis for on-site plugging formula design, but there are some problems in ...
Jingyi Zhang, Jingyi Zhang, Yili Kang, Yunhui Deng, Chengyuan Xu, Xiaopeng Yan, Chong Lin, Xiaojiang Cui   +7 more
doaj   +1 more source

Research on transmission of technology of downward information security for wellbore trajectory control

EURASIP Journal on Information Security, 2017
Information transmission is an important part of the wellbore trajectory automatic control system. Combined with the characteristics of the guided drilling system, drilling fluid pulse is selected as a tool for trajectory control.
Lin DeShu, Feng Ding
doaj   +1 more source

Analysis on the lateral vibration of drill string by mass effect of drilling fluid [PDF]

Mechanical Sciences, 2019
It is well known that the influence of the internal and external drilling fluid on the lateral vibration characteristics of drillstring cannot be ignored. In this paper, experiment apparatus for simulating drillstring vibration was established. Hammering
C. Yang, C. Yang, R. Wang, L. Han, Q. Xue   +4 more
doaj   +1 more source

Wellbore Circulating Temperature Field Model for Ultra-High Density Oil-Based Drilling Fluid

Shiyou jixie, 2021
The existing bottomhole pressure models assume that the circulation temperature of drilling fluid is the formation temperature, which always leads to large errors in calculations.
Ruan Biao, Huang Hong, Xu Xinniu, Gan Renzhong, Zhang Wei, Yang Hu   +5 more
doaj  

Standard and experimental drilling fluids’ effect on the response of the larvae of bivalve Hiatella sp. [PDF]

BIO Web of Conferences
Behavior of the larvae of common genus of marine bivalve mollusk Hiatella sp. was tested at the presence of the standard drilling fluid and the water-based drilling fluid containing brown alga Saccharina latissima as biodegradable component.
Malavenda Sergey, Martynova Daria, Belukhin Alexander   +2 more
doaj   +1 more source

Agarwood Waste as A New Fluid Loss Control Agent in Water-based Drilling Fluid

International Journal of Science and Engineering, 2013
Agarwood has been used widely in various ways, including traditional medicine and art. The usage of agarwood has grown broader in modern times include in therapeutic medicines and perfumery.
Azlinda Azizi, Mohd Shahrul Nizam Ibrahim, Ku Halim Ku Hamid, Arina Sauki, Nurul Aimi Ghazali, Tengku Amran Tengku Mohd   +5 more
doaj   +1 more source