Results 31 to 40 of about 17,122 (265)
Characterization of barite reserves in Nigeria for use as weighting agent in drilling fluid
Journal of Petroleum Exploration and Production Technology, 2021 Successful drilling operations are dependent on the properties of the drilling fluid used to drill wells. Barite is used as a weighting agent during the preparation of drilling fluid.
D. Afolayan +4 more
semanticscholar +1 more source
Analysis on Flow Field Characteristics and Barite Recovery Efficiency of Drilling Centrifuge
Shiyou jixie, 2022 Aiming at the recovery efficiency of barite in high density drilling fluid of ultra-deep wells, the drilling fluid was considered as a liquid-solid-solid fluid model to analyze the transient change process of flow field in centrifuge and the influence of
Yue Ming +5 more
doaj
Application of Modified DDARP Method for Purification of Barite in Natural Water Samples
Yankuang ceshi, 2019 BACKGROUND Diethylenetriaminepentaacetic acid (DTPA) dissolution and reprecipitation (DDARP) method is used frequently to eliminate encapsulated nitrate during barite precipitation. However, the effect of DDARP on barite precipitated from different kinds
ZHANG Dong +6 more
doaj +1 more source
The attenuation coefficient of barite concrete subjected to gamma-ray radiation
MATEC Web of Conferences, 2019 Barite is a non-metallic mineral, which composed of Barium Sulfate (BaSO4), has specific gravity about 4.5. It can be used for high density concrete as a shielding against gamma-ray.
Budi Gogot Setyo +3 more
doaj +1 more source
The Average Structural Density of Barite Crystals of Different Habit Types
Geologia Croatica, 2010 Eight different habit types of barite crystals which could be classifiedinto 4 essentially different groups were determined by morphologicalanalysis: Eb group - barite crystals elongated in the [010] direction; Ea group - barite crystals ...
Biserka Radanović-Gužvica
doaj +1 more source
Limnology and Oceanography, 2021 The accumulation rate of authigenic barite (BaSO4) in marine sediments is a promising proxy for reconstructing marine export production, but many aspects of barite precipitation and dissolution in the water column remain unknown.
Tricia Light, R. Norris
semanticscholar +1 more source
Geology and geochemistry of the Jurassic carbonate hosted barite deposits, Northeast Zakho, Iraq [PDF]
Kirkuk Journal of Science, 2011 Barite deposits located in Marsis locality of about 25km northeast of Zakho City were hosted in Jurassic dolomitic rocks. The barite is extending for about 6km and limited within about 38m thickness of dolomitic rocks.
Ali M.N. Al-Azzawi +2 more
doaj +1 more source
Knowledge Organization and Terminology: intersections, interlocutions and projections
InformatioThe objective of this work is to explore the space of intersection between Knowledge Organization (KO) and Terminology, with the intention of identifying the theoretical and methodological elements of one field that have been recognized as possible ...
Mario Barité
doaj +1 more source
GéosciencesThe Ougnat Massif of the eastern Anti-Atlas (Morocco) hosts barite and sulfide vein-type deposits of vital economic importance. With over 150 mineralized structures reported in the Ougnat Massif, the ore-bearing ones are predominantly composed of barite,
Samir Samaoui +7 more
semanticscholar +1 more source