Mt	Montmorillonite
API	American Petroleum Institute
ROP	Rate of penetration
XRD	X-ray diffraction
TGA	Thermogravimetric analysis
CTAB	Hexadecyltrimethylammonium bromide
DTAB	N,N,N-trimethyl-1-dodecanaminium bromide
OTAB	Octadecyl trimethyl ammonium bromide
TTAB	Tetradecyltrimethylammonium bromide
PLSN	Polymer/layered silicate nanocomposites
PAM	Polyacrylamide
CPNm	Clay–polymer nanocomposites
FT-IR	Fourier transform infrared spectrometer
HDTMA	Cetyltrimethylammonium chloride
PPG	Polypropylene glycol
HDTMS	Hexadecyltrimethoxysilane
PAMAM	Amine-terminated polyamidoamine
TEM	Transmission electron microscopy
WBDF	Water-based drilling fluids
PEA	Amino-terminated polyoxypropylene
HAES	Amidosilanols
MPS	Methacryloxypropyltrimethoxysilane
ILs	Green ionic liquids
PLA	Polylactic acid
PS	Polystyrene
SEM	Scanning electron microscopy
PEO	Polyethylene oxide
DSC	Differential scanning calorimetry
PB	Polycationic bentonite
PP	Polypropylene
PP-MA	Maleic anhydride PP
Si-HPEI	Silane coupling agent
HPEI	Hyperbranched polyethyleneimine
Si–SL	Silane coupling agent
SL	Sulfonated lignin
NBR	Nitrile butadiene rubber
KH570	γ-methacryloyloxytrimethoxysilane
PAC	Polyaluminium hloride
SDBS	Sodium dodecylbenzylsulfonate
PVC	Polyvinyl chloride
CMC	Carboxymethyl cellulose
AM	Acrylamide
CMCS	Carboxymethyl chitosan
WBDMS	Water-based drilling mud system
PMAA	Polymethacrylic acid
IR	Infrared spectroscopy
XPS	X-ray photoelectron spectroscopy
AMPS	2-acrylamide-2-methylpropanesulfonic acid
DMDAAC	Diallyldimethylammonium chloride
DMAA	N,N-dimethyl Acrylamide
SSS	Sodium p-styrene sulfonate
SMP	Sulfobenzaldehyde
MSP	3-vinyltriethoxysilane
CMS	Carboxymethyl starch
CS	Corn starch
CES	Compound etherified starch