A review of shale swelling by water adsorption
Due to the improvement of drilling and recovery techniques, shale gas exploration has
developed rapidly over the past ten years, and problems that have arisen have attracted …
developed rapidly over the past ten years, and problems that have arisen have attracted …
Experimental investigation on the mechanical behaviours of a low-clay shale under water-based fluids
The interactions between drilling/fracking fluids and shale formations have great effect on
shale gas exploitation. Previous studies have shown that water/brine saturation will cause …
shale gas exploitation. Previous studies have shown that water/brine saturation will cause …
A review of recent research on contamination of oil well cement with oil-based drilling fluid and the need of new and accurate correlations
Drilling fluids and oil well cement are important well barriers. Their compatibility affects the
long-term integrity of the well. The mixing of drilling fluid with the oil well cement causes …
long-term integrity of the well. The mixing of drilling fluid with the oil well cement causes …
Effect of adsorbed moisture on the pore size distribution of marine-continental transitional shales: Insights from lithofacies differences and clay swelling
The variation in pore water distribution within gas shale reservoirs has a significant effect on
gas content, and thus on resource evaluation. However, the characteristics of water micro …
gas content, and thus on resource evaluation. However, the characteristics of water micro …
Experimental investigation of deterioration in mechanical properties of oil-based mud (OBM) contaminated API cement slurries & correlations for ultrasonic cement …
Well construction, well abandonment and restoration of well integrity are the reasons at a
broad level why cementing jobs are performed. During well construction phase, the primary …
broad level why cementing jobs are performed. During well construction phase, the primary …
Effect of low OBM contamination on long-term integrity of API class H cement slurries–experimental study
Drilling mud acts as an important primary barrier during the well construction phase, while
the integrity of cement sheath is critical throughout the life cycle of the well. The mud-spacer …
the integrity of cement sheath is critical throughout the life cycle of the well. The mud-spacer …
Hydraulic Fracturing Behavior in Shale with Water and Supercritical CO2 under Triaxial Compression
J He, Y Zhang, C Yin, X Li - Geofluids, 2020 - Wiley Online Library
Comparing to the water fracturing fluid regularly used in the hydraulic fracturing operation,
supercritical CO2 (SC‐CO2) as a promising nonaqueous fracturing fluid has the great …
supercritical CO2 (SC‐CO2) as a promising nonaqueous fracturing fluid has the great …
Modeling the swelling of shale matrix in unconventional reservoirs
The imbibition of the injection water into shale matrix may result in shale swelling affecting
oil recovery from the rock matrix and the transport properties of the fractures. The expansion …
oil recovery from the rock matrix and the transport properties of the fractures. The expansion …
Study of formation bonding in the wells of the Varg field based on ultrasonic and sonic wireline log data
L Noble, H Vindheim, A Govil, G Obando… - SPE/IADC Drilling …, 2019 - onepetro.org
This paper is based on the analysis of the ultrasonic/sonic data of the 9 5/8-in. casing
logging of the 14 wells of the Varg field within the Norwegian Continental Shelf. While …
logging of the 14 wells of the Varg field within the Norwegian Continental Shelf. While …
Mechanical properties of API class C cement contaminated with oil-based mud OBM at elevated temperatures and early curing time
The catastrophic events faced by the Oil and Gas industry in the past depict the importance
of maintaining the integrity of the well. The cement acts as a crucial barrier throughout the …
of maintaining the integrity of the well. The cement acts as a crucial barrier throughout the …