Results 31 to 40 of about 493,831 (303)

Prediction and Visualization of Channel Characteristics for Lost Circulation of Drilling Fluid in Fractured Formations

Geofluids
Accurate characterization of the feature parameters of lost circulation channels in fractured formations is of great significance for assessing lost circulation risk and designing effective leakage prevention and plugging strategies.
Jinjun Hu, Sijia Ma, Tie Geng, Wei Zhang, Anguo Xu, Xiaodong Liu, Shuai Zhang   +6 more
doaj   +1 more source

Preparation and Evaluation of a Novel Branched Polymer as Thickener for Calcium Chloride-Based Drilling and Completion Fluids

Molecules
Calcium halide-based fluids are often used in drilling and completion operations due to their high density, clay inhibition and low solid content. However, there is a lack of thickeners to promote gel strength, which improves the fluid’s capacity to ...
Xianbin Zhang, Zhongfeng Yang, Qian Wang, Weijie Chen, Tengjiao Liu, Tao Zhou, Shulin Li, Tongle Xin, Jie Cao, Xia Xin   +9 more
doaj   +1 more source

The impact of leukocyte‐associated RNA retention on platelet RNA‐based cancer detection

Molecular Oncology, EarlyView.
Platelets carry RNA signals that may help detect cancer, but platelet samples can also retain RNA from white blood cells. We found that this retained white blood cell signal did not significantly affect machine learning cancer classification, suggesting that the cancer‐related RNA signal in platelets is largely independent of leukocyte‐associated RNA ...
Michał Sieczczyński, Krzysztof Pastuszak, Anna Samelak‐Czajka, Zuzanna Cemka, Paulina Jackowiak, Tomasz Stefaniak, Sylwia Łapińska‐Szumczyk, Jacek Jassem, Anna J. Żaczek, Matthew T. Rondina, Myron G. Best, Sjors G. J. G. In 't Veld, Anna Supernat   +12 more
wiley   +1 more source

Purification and preparation of Marchantia polymorpha Auxin Response Factor 2 for phase separation studies

FEBS Open Bio, EarlyView.
We describe detailed protocols for the purification and preparation of Marchantia polymorpha Auxin Response Factor 2 (MpARF2). This protein is fused to an MBP solubility tag and an mNG fluorescent tag and is purified from Escherichia coli. The presented procedures make it possible to study MpARF2 assemblies, which could arise from phase separation ...
Bas Janssen, Robin Romein, Willy A. M. van den Berg, Simon Lindhoud, Jan Willem Borst, Carlo P. M. van Mierlo   +5 more
wiley   +1 more source

Degradation of Synthetic-Based Drilling Mud Base Fluids by Gulf of Mexico Sediments: Final Report [PDF]

, 2006
Report on a predictor model that determines the degradation rate of Synthetic-based fluids (SBF) from deep-sea drilling and assesses the impact of SBFs on the sediment microbial ecology in the Gulf of ...
Roberts, Deborah J., Nguyen, Alan H.
core  

Air‐Pressure–Actuated Vibroacoustic Metamaterial With Tunable Bandgap: Design, Modeling, and Characterization

Advanced Engineering Materials, EarlyView.
This article presents the design, modeling, and characterization of air‐pressure–actuated programmable vibroacoustic metamaterials (PVAMM). The study focuses on leveraging air pressure to dynamically tune resonance frequencies for effective noise attenuation.
William Kaal, Michael M. Becker, Sarah C. L. Fischer   +2 more
wiley   +1 more source

Cleaner production approaches in drilling-fluids engineering / Uma Magesan Ulakanathan

, 2021
Drilling-fluids or “mud”, as commonly known in the oil and gas industries, are very instrumental from the early stage of spudding to the completion phase of a well development.
Uma Magesan, Ulakanathan
core   +1 more source

Recent Advances of Graphene-Derived Nanocomposites in Water-Based Drilling Fluids

Nanomaterials, 2020
Nanocomposite materials have distinctive potential for various types of captivating usage in drilling fluids as a well-designed solution for the petroleum industry.
Rabia Ikram, Badrul Mohamed Jan, Jana Vejpravova, M. Iqbal Choudhary, Zaira Zaman Chowdhury   +4 more
doaj   +1 more source

Gallium Microalloying in Bi–Sn Solders: Interfacial Phase Formation, Wettability, and Long‐Term Shear Reliability Under Isothermal Aging

Advanced Engineering Materials, EarlyView.
Gallium microalloying redirects interfacial reactions in low‐temperature Bi–Sn solders from Cu–Sn toward Cu–Ga intermetallic formation. The resulting Cu–Ga layer suppresses intermetallic growth during thermal aging, alters fracture pathways, and improves interfacial stability.
Iva Králová, Markéta Klimtová, Mohd Faizul Mohd Sabri, Yew Hoong Wong, Petr Veselý, Martin Plaček, Karel Dušek   +6 more
wiley   +1 more source

Experimental Evaluation of the Treatment Effect of High Viscosity Drilling Fluid and Floating Oil Using Ozone Fine Bubble Technology

Nanomaterials
Drilling fluid plays a critical role in drilling engineering. With the deepening implementation of clean production concepts and increasingly stringent environmental regulations, the treatment standards for drilling wastewater at operational sites have ...
Xiaoxuan Guo, Lei Liu, Nannan Liu, Fulong Hu, Lijuan Zhang   +4 more
doaj   +1 more source