Results 1 to 10 of about 2,457,187 (381)

Study on the Low-Temperature Rheology of Polar Drilling Fluid and Its Regulation Method [PDF]

Gels, 2023
Drilling fluid is the blood of drilling engineering. In the polar drilling process, the ultra-low temperature environment puts high demands on the rheological performance of drilling fluids.
Ning Huang, Kaihe Lv, Jinsheng Sun, Jingping Liu, Jintang Wang, Zonglun Wang   +5 more
doaj   +2 more sources

Preparation and Properties of Reversible Emulsion Drilling Fluid Stabilized by Modified Nanocrystalline Cellulose [PDF]

Molecules
Reversible emulsion drilling fluids can concentrate the advantages of water-based drilling fluids and oil-based drilling fluids. Most of the existing reversible emulsion drilling fluid systems are surfactant-based emulsifier systems, which have the ...
Fei Liu, Yongfei Li, Xuewu Wang, Zhizeng Xia   +3 more
doaj   +2 more sources

Deepwater Oil-Based Drilling Fluid Systembased on Grey Wolf Optimized BP neural network [PDF]

E3S Web of Conferences, 2022
In this paper, a BP neural network model with 5-9-6 structure is constructed according to various fault gases and different fault types ofWater-based drilling fluid and synthetic-based drilling fluid.
Sui Dianjie, Zhan Mingwang, Sui Dianxue, Zhao Fulei, Yu Qiannan   +4 more
doaj   +1 more source

Application of X-ray Diffraction (XRD) and Rock–Eval Analysis for the Evaluation of Middle Eastern Petroleum Source Rock

Energies, 2021
In this study, collected samples of nine different wells from the Middle East are used for various geochemical analyses to determine the hydrocarbon generation potential. The determination is carried out following the grain density, specific surface area,
Golam Muktadir, Moh’d Amro, Nicolai Kummer, Carsten Freese, Khizar Abid   +4 more
doaj   +1 more source

Study on the effect of cetyltrimethylammonium bromide on gas-liquid flow characteristics at low gas flow rates and gas pressure [PDF]

E3S Web of Conferences, 2021
Cenomanian gas deposits account for about 80% of natural gas production in Russia. Today, mature Cenomanian gas fields are depleted by more than 75% on average, the reservoir pressure in the productive formation zone has decreased by almost 90% compared ...
Yushkov A. Yu., Ogai V. A., Koroleva I.A., Amro Moh'd M., Rose Frederick, Kummer Nicolai-Alexeji   +5 more
doaj   +1 more source

Evaluation of environment friendly micro-ionized litchi leaves powder (LLP) as a fluid loss control agent in water-based drilling fluid

Journal of Petroleum Exploration and Production Technology, 2021
This work investigates the efficacy of a biodegradable natural product, litchi leaves powder (LLP) as a filtration loss control agent in the water-based drilling fluid formulations.
Ved Prakash, Neetu Sharma, Munmun Bhattacharya, Ashok Raina, Man Mohan Gusain, Kiran Sharma   +5 more
doaj   +1 more source

Research on the mixed-mode fracture damage characteristics of shale soaked in different drilling fluids

Geomechanics and Geophysics for Geo-Energy and Geo-Resources, 2023
Drilling fluid is a vital component in drilling engineering and can be considered as the lifeblood of the drilling. It serves multiple functions such as cooling the drill bit, cleaning the wellbore, and maintaining wellbore stability.
Yu Suo, Yan-Jie Zhao, Xiao-Fei Fu, Wen-Yuan He, Zhe-Jun Pan   +4 more
doaj   +1 more source

Numerical Simulation of Nonlinear Processes in the “Thruster—Downhole Motor—Bit” System While Extended Reach Well Drilling

Energies, 2023
The relevance of the application of hydraulic thruster technology is determined by the technological limitations of drilling both vertical and horizontal wells.
Andrey A. Kunshin, George V. Buslaev, Matthias Reich, Dmitriy S. Ulyanov, Dmitriy I. Sidorkin   +4 more
doaj   +1 more source

Effects of lime on ester based drilling fluid [PDF]

, 2011
Lime known as calcium hydroxide is one of the important components in invert emulsion drilling fluid. It has been used to activate the emulsifier. However, excessive lime has adverse effect on ester as it could accelerate hydrolysis of ester into its ...
Razali, Siti Zulaika, Yunus, Robiah, Arsanjani, Leila Niloofar, Abdul Rashid, Suraya, Lim, Janet Hong Ngee, Mohamad Jan, Badrul Hisham   +5 more
core   +2 more sources

Drilling performance analysis of impregnated micro bit [PDF]

Mechanical Sciences, 2022
The cutting mechanical properties of impregnated diamond bit depend on the performance of its cutting elements. Aiming at the factors affecting the cutting element performance of impregnated diamond bit, the laboratory rock breaking experiment of ...
D. Song, Z. Ren, Y. Yang, Y. Chen, G. Nie, L. Tan, H. Peng, Z. Li, X. Chen, M. Li, H. Ren, L. Zuo   +11 more
doaj   +1 more source