Results 21 to 30 of about 2,457,187 (381)
Molecules, 2022 During drilling in deep shale gas reservoirs, drilling fluid losses, hole wall collapses, and additional problems occur frequently due to the development of natural fractures in the shale formation, resulting in a high number of engineering accidents ...
Xiangwei Kong +7 more
semanticscholar +1 more source
Scientific Reports, 2021 The present study evaluates the drilling fluid density of oil fields at enhanced temperatures and pressures. The main objective of this work is to introduce a set of modeling and experimental techniques for forecasting the drilling fluid density via ...
S. M. Alizadeh +4 more
semanticscholar +1 more source
Invasion Analysis of Oil-Based Drilling Fluid Based on NMR Experiment
Cejing jishu, 2023 In order to clarify the intrusion characteristics of deep and ultra-deep oil-based drilling fluids in the southern margin of Junggar basin and its influence on nuclear magnetic resonance (NMR) logging, NMR experiments are conducted to analyze the ...
LIN Jingqi +5 more
doaj +1 more source
ACS Omega, 2021 Xanthan gum (XG) was widely used as an oilfield chemical treatment agent because of its environmental protection and diverse functions. With the increased drilling depth and formation complexity, the shortcomings such as poor solubility and low ...
Wenxi Zhu, Xiuhua Zheng
semanticscholar +1 more source
Shale problems and water-based drilling fluid optimisation in the Hassi Messaoud Algerian oil field [PDF]
, 2010 Drilling fluid formulation and properties play a fundamental role in drilling operations. Clay minerals behave initially as a beneficial rheological adjuvant in drilling muds.
Benmounah, Abdelbaki +6 more
core +2 more sources
Applications of Biodiesel in Drilling Fluids [PDF]
Geofluids, 2021 Biodiesel, referred to as the monoalkyl ester of long-chain fatty acid ester that is synthesized by the complete transesterification of triglycerides, has captured the attention of drilling researchers attributing to its magnificent characteristics such as the high flash point, excellent lubricity, nontoxicity, high biodegradability, and abundant ...
Ashraf Ahmed +2 more
openaire +3 more sources
Molecules, 2021 Drilling issues such as shale hydration, high-temperature tolerance, torque and drag are often resolved by applying an appropriate drilling fluid formulation.
M. Murtaza +5 more
semanticscholar +1 more source
Chemical Engineering Transactions, 2023 Drilling fluid performs a crucial function in petroleum drilling operations. This functional fluid improves the performance of the drilling process by controlling bottom hole pressure, wellbore stability, and cleaning the hole.
Nam Nguyen Hai Le +6 more
doaj +1 more source
Study of Environmentally Friendly Wild Jujube Pit Powder as a Water-Based Drilling Fluid Additive
ACS Omega, 2021 The development of offshore oil and gas requires environmental protection during the drilling process. However, the existing drilling fluid additives cannot form an efficient environmentally friendly drilling fluid system.
G. Zhou +4 more
semanticscholar +1 more source
Modeling pellet impact drilling process [PDF]
, 1999 The paper describes pellet impact drilling which could be used to increase the drilling speed and the rate of penetration when drilling hard rocks. Pellet impact drilling implies rock destruction by metal pellets with high kinetic energy in the immediate
Kovalev, Artem Vladimirovich +3 more
core +2 more sources