2019 EJRNL PP KANJICAI DONG 1.pdf?
Terbatas  Suharsiyah
» Gedung UPT Perpustakaan
Terbatas  Suharsiyah
» Gedung UPT Perpustakaan
Guar gum and its derivatives have been the most commonly used polymers to increase the viscosity of fracture
fluids. Ceramic proppants are vital products for enhancing oil and gas well productivity in low-permeability
reservoirs. In the last several decades, abundant studies have been found in the investigation of proppant size,
shape, compositions on the fracture conductivity. However, few types of research can be found to study the
proppant wettability effect on the oil and gas flow efficiency. In our research, eight experiments were conducted
using traditional guar gum fracturing fluid. Results of this work indicated that ceramic proppant promotes oil
flow efficiency from sandstone core samples to proppant packs and thus should promote oil well productivity.
The mechanism behind this phenomenon is believed to be the formation of oil flow channels across the fracture
face due to the imbibition of oil in the core onto the oil-wet surface of the proppant, promoting oil flow from the
core to the fracture. After guar gum was added the results inverted, this phenomenon for water-wet proppant is
believed to be increased by the viscosity of fracture fluids which increased the viscosity of water, promoting oil
flow from the core to the fracture. Nevertheless, the stimulation effect of oil-wet proppant on oil flow efficiency
can be reduced by the presence of guar gum solution. Inside the proppant matrix filled with guar gum fracturing
fluid, oil can be blocked inside the proppant matrix as a discontinuous phase while the aqueous phase can be
easily mixed with the guar gum fluid and then be transferred out.