Results 11 to 20 of about 118,861 (336)
Journal of Applied Clinical Medical Physics, Volume 23, Issue 12, December 2022., 2022 Abstract Background and purpose For postoperative breast cancer patients, deformable image registration (DIR) is challenged due to the large deformations and non‐correspondence caused by tumor resection and clip insertion. To deal with it, three metrics (fiducial‐, region‐, and intensity‐based) were jointly used in DIR algorithm for improved accuracy ...
Xin Xie +6 more
wiley +1 more source
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 +4 more
doaj +1 more source
Efficient Removal of Magnetic Contamination from Drilling Fluids – The Effect on Directional Drilling [PDF]
, 2020 Magnetic debris in a drilling fluid have a significant influence on the ability of the drilling fluid to maintain its function. Down hole logging can suffer from poor signal to noise ratios. Directional drilling in areas close to the magnetic North Pole,
Poedjono, Benny +3 more
core +1 more source
Fluid Flow Regimes Analysis on Drilling Fluid Circulation for Cuttings Lifting in Vertical Drilling Oil Wells [PDF]
, 2023 Fluid Flow during the circulation of the drilling fluid is an important parameter that affects the process of successful lifting of cuttings during drilling activities. Researcher analyzed the regimes of the drilling fluid flow in vertical drilling wells
Agriandita, Isnani +2 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
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 +1 more source
Evaluation of pH of Drilling Fluid Produced from Local Clay and Additives [PDF]
, 2021 Maintaining the pH of drilling fluid with suitable additives is one of the important operation for efficient drilling operations. However, commercial hydroxides are mostly used to control the pH of the drilling fluid.
Otitigbe, F.E.
core +2 more sources
Prevention of loss of drilling fluids and formation damage when drilling through high permeability formations [PDF]
, 2023 In order to avoid kicks and the potential for a well blowout, it is necessary to maintain the drilling fluid pressure above the pore pressure of the formation.
Høgmo, Emil.
core
Development of a nanobiodegradable drilling fluid using prosopis farcta plant and pomegranate peel powders with metal oxide nanoparticles [PDF]
, 2022 One of the inevitable problems encountered during the petroleum well drilling process is lost circulation in which part of the drilling fluid is lost into the formation.
Abdullah, Abdullah D. +8 more
core +2 more sources
Geofluids, 2021 Intelligent unconventional reservoir optimal production control technology is a comprehensive technology, involving geology, reservoir simulation, and efficient drilling and completion.
Dewei Gao +5 more
doaj +1 more source