104269 ⎘
Compositions for drilling of boreholes or wells; Compositions for treating boreholes or wells, e.g. for completion or for remedial operations; Well-drilling compositions; Aqueous well-drilling compositions; Clay-containing compositions characterised by the organic compounds; Natural organic compounds or derivatives thereof, e.g. polysaccharides or lignin derivatives Wood derivatives, e.g. lignosulfonate, tannin, tall oil, sulfite liquor
LIGNIN-BASED DRILLING FLUIDS AND RELATED METHODS
#2LIGNIN-BASED COMPOSITIONS AND RELATED METHODS
#3Methods for drilling wellbores using thinner compositions
#4Well treatment fluid having biodegradable fluid loss control agent
#5Methods for drilling wellbores using thinner compositions
#6BIORENEWABLE RESIN COMPOSITION FOR WELL TREATMENT
#7Drill fluid and method for tunneling
#8Date tree trunk and rachis-based superfine fibrous materials for seepage loss control
#9Strong plugging drilling fluid suitable for shale gas wells and preparation method thereof
#10Date tree trunk and rachis-based superfine fibrous materials for seepage loss control
#11Water-based drilling fluid for protecting high-permeability reservoirs, and preparation method and use thereof
#12In situ generation of nano-clay drilling fluid
#13Drilling fluid and method for drilling a wellbore
#14Fluids containing cellulose fibers and cellulose nanoparticles for oilfield applications
#15Lost circulation drilling fluids comprising elastomeric rubber particles and a method for decreasing whole mud loss using such composition
#16Drilling fluid and method for drilling a wellbore
#17Filtration control agent and a drilling fluid containing the same
#18CHROME FREE WATER-BASED WELLBORE FLUID
#19Aqueous gels for well bore strengthening
#20Lignin-solids compositions
#21Modified nano-silica plugging agent, water-based drilling fluid, and preparation method and use thereof
#22Drilling fluid for inhibiting surface hydration of clay and preparation method thereof