Results 11 to 20 of about 132,867 (357)
Enhancing the performance of Xanthan gum in water-based mud systems using an environmentally friendly biopolymer [PDF]
, 2020 Xanthan gum is commonly used in drilling fluids to provide viscosity, solid suspension, and fluid-loss control. However, it is sensitive to high temperatures and not tolerant of field contaminants. This paper presents an experimental study on the effects
Akpan, EU, Enyi, GC, Nasr, GG
core +2 more sources
Super-amphiphobic, strong self-cleaning and high-efficiency water-based drilling fluids
Petroleum Exploration and Development, 2020 Based on the amphiphobic theory on underground rock surface, a super-amphiphobic agent is developed and evaluated which can form nano-micro papilla structure on rock, filter cake and metal surface, reduce surface free energy, prevent collapse, protect ...
Guancheng JIANG +4 more
doaj +1 more source
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
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
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
Modeling pellet impact drilling process [PDF]
, 2016 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
Isaev, Evgeniy Dmitrievich +3 more
core +2 more sources
An experimental drilling apparatus used for evaluating drilling risks related to natural gas hydrate
MethodsX, 2020 Some countries are trying to drill and exploit natural gas hydrate (NGH). However, the disturbance effects of drilling on the stability of NGH-bearing sediments are unclear.
Tian-Jia Huang +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 +5 more
core +2 more sources
Heliyon, 2020 An enhanced drill bit combining high pressure fluid jetting with a conventional rotary drilling system incorporating a tailored drilling fluid was designed to improve drilling performance in hard crystalline rock.
Timon Echt +2 more
doaj +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