Investigation Into the Mechanistic Insights and Performance Evaluation of Advanced Viscosity Reducing Agents for Heavy Oil Invaded Oil‐Based Drilling Fluids via Asphaltene Structure Disruption
Sign Up to like & getrecommendations! Published in 2025 at "Journal of Applied Polymer Science"
DOI: 10.1002/app.57790
Abstract: To tackle the viscosity surge in oil‐based drilling fluids (OBDFs) due to heavy oil invasion, a novel tetrapolymer viscosity reducer (PVR) was synthesized from diisobutylene, isobutylene, isoprene, and maleic anhydride. FT‐IR, NMR, and TGA confirmed… read more here.
Keywords: oil based; based drilling; oil; heavy oil ... See more keywords
A Review in Polymers for Fluid Loss Control in Drilling Operations
Sign Up to like & getrecommendations! Published in 2024 at "Macromolecular Chemistry and Physics"
DOI: 10.1002/macp.202300390
Abstract: The ever‐increasing consumption of fossil energy highlights the urgent need to develop technologies to ensure the efficient drilling and exploration of oil and gas resources mainly distributed in deep layers. The complex geological conditions in… read more here.
Keywords: loss; loss control; fluid loss; control drilling ... See more keywords
Effect of concentration and functional group of cellulose nanocrystals on the rheological and filtration properties of water-based drilling fluids at various temperatures
Sign Up to like & getrecommendations! Published in 2024 at "Cellulose"
DOI: 10.1007/s10570-024-05890-0
Abstract: Cellulose nanocrystals (CNCs) can be used as environmentally friendly additives in drilling fluids. However, their practical performance and utilization principles still need to be further clarified. This paper investigated the effectiveness of carboxylated cellulose nanocrystals… read more here.
Keywords: cellulose nanocrystals; cncs; water; filtration properties ... See more keywords
Amine- and alcohol-functionalized ionic liquids: Inhibition difference and application in water-based drilling fluids for wellbore stability
Sign Up to like & getrecommendations! Published in 2021 at "Colloids and Surfaces A: Physicochemical and Engineering Aspects"
DOI: 10.1016/j.colsurfa.2020.125678
Abstract: Abstract Shale hydration is the main cause of wellbore instability during drilling using water-based drilling fluids (WBD). In this work, NH2- and HO-functionalized ionic liquids (ILs) were investigated for their performances on inhibiting the shale… read more here.
Keywords: water; inhibition; drilling fluids; based drilling ... See more keywords
Laboratory Analysis to Assess Shale Stability for the Zubair Formation, Southern Iraq
Sign Up to like & getrecommendations! Published in 2018 at "Journal of Natural Gas Science and Engineering"
DOI: 10.1016/j.jngse.2018.05.041
Abstract: Abstract The Zubair Formation consists of approximately 55% shale, which causes almost 70% of wellbore problems due to incompatibilities between drilling fluids and shale formations. The most common and effective solution to shale instability is… read more here.
Keywords: shale formations; analysis; drilling fluids; test ... See more keywords
Application of sustainable saffron purple petals as an eco-friendly green additive for drilling fluids: A rheological, filtration, morphological, and corrosion inhibition study
Sign Up to like & getrecommendations! Published in 2020 at "Journal of Molecular Liquids"
DOI: 10.1016/j.molliq.2020.113707
Abstract: Abstract In this study, effects of dried saffron purple petals (SPP) powder were examined on the rheological, fluid loss, and corrosion inhibition properties of bentonite-based drilling fluids. Drilling fluids containing different amounts of the SPP… read more here.
Keywords: saffron purple; inhibition; drilling fluids; corrosion ... See more keywords
Cement slurry contamination with oil-based drilling fluids
Sign Up to like & getrecommendations! Published in 2017 at "Journal of Petroleum Science and Engineering"
DOI: 10.1016/j.petrol.2017.08.064
Abstract: Abstract Primary cementing constitutes the displacement of a cement slurry in an annular oil well. In the event of an unwanted mixture of drilling fluid and cement slurry during this operation, cement properties may be… read more here.
Keywords: cement slurry; drilling fluids; contamination; cement ... See more keywords
Viscous behavior and wall slip of barite-weighted water-based drilling fluids containing a high particle fraction
Sign Up to like & getrecommendations! Published in 2017 at "Journal of Petroleum Science and Engineering"
DOI: 10.1016/j.petrol.2017.10.010
Abstract: Abstract Accurate rheological measurements of barite-weighted ultrahigh density water-based drilling fluids with a rotational viscometer may be hindered by the wall slip effect. This paper describes a correction method that is based on the principle… read more here.
Keywords: slip; wall slip; drilling fluids; barite weighted ... See more keywords
Rheological properties of bentonite-free water-based drilling fluids with novel polymer viscosifier
Sign Up to like & getrecommendations! Published in 2018 at "Journal of Petroleum Science and Engineering"
DOI: 10.1016/j.petrol.2018.01.074
Abstract: Abstract Water-based drilling fluids with no bentonite content was particularly advantageous in oil and natural gas exploration due to the excellent characteristics including faster rates of penetration, enhanced hole cleaning, less formation damage, etc. However,… read more here.
Keywords: free fluids; drilling fluids; based drilling; water based ... See more keywords
Poly (sodium p-styrene sulfonate) modified Fe3O4 nanoparticles as effective additives in water-based drilling fluids
Sign Up to like & getrecommendations! Published in 2018 at "Journal of Petroleum Science and Engineering"
DOI: 10.1016/j.petrol.2018.03.001
Abstract: Abstract In this work, a series of low solid phase, economic and excellent performance water-based drilling fluids (WBDFs) were obtained by introducing nanoparticles into conventional WBDFs. Fe3O4 nanoparticles which were surface modified by poly (sodium… read more here.
Keywords: drilling fluids; psss nanoparticles; concentration fe3o4; fe3o4 psss ... See more keywords
Investigating geopolymer cement performance in presence of water based drilling fluid
Sign Up to like & getrecommendations! Published in 2019 at "Journal of Petroleum Science and Engineering"
DOI: 10.1016/j.petrol.2019.02.010
Abstract: Abstract Oil well cementing is one of the most important steps in drilling and completion processes and providing a full zonal isolation which is the most important features in the oil cementing. Traditionally, Portland cement… read more here.
Keywords: drilling fluid; drilling fluids; geopolymer; drilling ... See more keywords