Results 11 to 20 of about 4,536 (259)

The biodiesel-based flat-rheology drilling fluid system

open access: yesPetroleum Exploration and Development, 2022
As the base oil of the current flat-rheology synthetic drilling fluid is high in cost and not renewable, the biodiesel-based flat-rheology drilling fluid with low-cost, environmental protection and renewable advantage was studied.
Guancheng JIANG, He SHI, Yinbo HE
doaj   +1 more source

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

open access: yesGeomechanics 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   +4 more
doaj   +1 more source

Super-amphiphobic, strong self-cleaning and high-efficiency water-based drilling fluids

open access: yesPetroleum 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

Formation protection method of oil‐based drilling fluid for deep fractured tight gas reservoir

open access: yesEnergy Science & Engineering, 2020
Deep fractured tight gas reservoirs have attracted more and more attention worldwide, which also promotes the large‐scale application of oil‐based drilling fluids.
Xiao Guo   +5 more
doaj   +1 more source

Effectiveness of demulsifiers for the destruction of highly mineralized water-oil emulsions of the Srednebotuobinsky oil and gas condensate field [PDF]

open access: yesE3S Web of Conferences, 2020
One of the most serious problems of field oil treatment at the Srednebotuobinsky oil and gas condensate field is an abnormally high content of chloride salts, reaching 350 thousand mg / dm3.
Ivanova Maria, Tomskii Kirill
doaj   +1 more source

Research and application of low oil-water ratio organoclay-free oil-based drilling fluid technology [PDF]

open access: yesE3S Web of Conferences
This paper introduces the formation and application of a low oil-water ratio organoclay-free oil-based drilling fluid. Shale oil and gas are important alternative energy sources.
Shi He   +10 more
doaj   +1 more source

pH-Responsive Drilling Fluid With High-Temperature and High-Density Performance

open access: yesFrontiers in Earth Science, 2022
Conventional drilling fluids experience the problems of a low cleanup efficiency and oily drilled cutting disposal. To resolve these problems, a type of pH-responsive drilling fluid with a temperature resistance of up to 150°C resistance a density of 1.5 
Daqi Li   +10 more
doaj   +1 more source

An Experiment-Based Study of Formation Damage Using a Microetching Model Displacement Method

open access: yesMicromachines, 2022
In the field of oil and gas exploration, drilling fluid is regarded as the essential “blood” for drilling, which mainly helps to control the formation pressure and remove cuttings from the well.
Feng Wu   +7 more
doaj   +1 more source

Study on Reasonable Amount of Flushing Fluid and Flushing Time

open access: yesEnergies, 2020
Oil-based drilling fluid has many advantages, such as stable performance, strong anti-pollution ability, and strong inhibition, and it has been widely used in the world.
Jingpeng Wang   +5 more
doaj   +1 more source

New composition of chemicals and heavy drilling fluids for drilling oil and gas wells [PDF]

open access: yesE3S Web of Conferences, 2023
The article shows the importance of obtaining new composition of heavy drilling fluids based on composite chemical reagents from local raw materials and industrial wastes for drilling oil and gas wells.
Kobilov Nodirbek   +4 more
doaj   +1 more source

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