Results 21 to 30 of about 24,031,090 (295)

Study of Cuttings Transport Using Water-Based and Oil-Based Drilling Fluids [PDF]

open access: yes, 2018
Cuttings transport is a topic of great interest in the oil and gas drilling industry. Insufficient cuttings transport leads to several expensive problems.
Sayindla, Sneha
core   +1 more source

Tool wear monitoring and hole surface quality during CFRP drilling [PDF]

open access: yes, 2014
The present investigation focuses on the evaluation of tool wear and surface integrity in the context of CFRP cutting. Series of drilling experiments were performed on CFRP plates using cemented carbide solid drills with the aim to investigate ...
RAMIREZ, Christophe   +3 more
core   +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

Transesterification reaction for synthesis of palm-based ethylhexyl ester and formulation as base oil for synthetic drilling fluid [PDF]

open access: yes, 2014
The use of vegetable oil-based ester as a base fluid in synthetic drilling fluid has become a trend in drilling operations due to its environmental advantages.
Abdul Habib, Nor Saiful Hafiz   +6 more
core   +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

Evaluation of the performance of coated and uncoated carbide tools in drilling thick CFRP/aluminium alloy stacks [PDF]

open access: yes, 2013
This paper aims to establish the wear mechanisms of coated and uncoated tungsten carbide drills when drilling carbon fibre reinforced plastics (CFRP)/aluminium alloy (Al) stacks. During the drilling experiments, thrust forces were measured.
MONTOYA, Maxime   +3 more
core   +1 more source

Experimental study on ultra-low temperature drilling fluid in Arctic permafrost

open access: yes, 2021
Drilling fluid in Arctic permafrost needs to have good ultra-low temperature rheology, shale inhibition, hydrate inhibition and environmental protection performance.
Zhang, Yubin   +11 more
core   +1 more source

Application of Vacuum Adsorption Equipment in Treatment of Oil-based Drilling Fluid

open access: yesShiyou jixie, 2022
In order to reduce the oil-based solid drilling waste generated in the process of treatment while drilling and save the subsequent treatment cost,a vacuum adsorption equipment composed of adsorption vacuum chamber,micro-vibration device and screen ...
Chen Jinrui   +5 more
doaj  

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