Rezultaty - reservoir simulation

Study region: Jianxi Watershed (JXW) and Shanmei Reservoir Watershed (SRW), located in southeastern coastal China. Study focus: The SWAT model is a widely used hydrological simulation tool. However, the impact of different model development methods and the variation of sensitive parameters across ti...

Szczegółowa specyfikacja

Carbonate reservoirs are key targets for global oil and gas exploration, accounting for more than 50% of both reserves and production. However, due to the widespread existence of fractures, vugs, and strong heterogeneity in these reservoirs, they are prone to damage during drilling and production op...

Szczegółowa specyfikacja

Current problems in mature oil fields are high water cut and flow profile estimating of oil and associated brines from different layers. To establish the flow profile in production wells, geophysical research (Production Logging) is traditionally used by lowering special equipment into the well. Pro...

Szczegółowa specyfikacja

The purpose of this work is to select the optimal method for multi-stage hydraulic fracturing simulation at the wells of a large gas condensate field X in conditions of lowpermeability reservoirs and potential risk of condensate loss in the near bottomhole zone with a decrease in reservoir pressure....

Szczegółowa specyfikacja

The one-dimensional axisymmetric problem of initiation of a combustion wave in an oil-saturated reservoir is solved numerically. Two combustible components, viz. liquid (oil) and solid (kerogen, oil sorbate) were considered. The influence of the abovementioned components on time of the hot site igni...

Szczegółowa specyfikacja

A finite-element scheme has been developed, including a section of reservoir rock, cement stone, casing and perforation channels. It is noted that in order to exclude the occurrence of stress concentrators at the casing – cement stone and cement stone – rock contacts, contact elements are specified...

Szczegółowa specyfikacja

The oil and gas conversion of tar-rich coal in-situ pyrolysis provides a new idea to improve the domestic oil and gas independent guarantee and push the green and low-carbon industry of coal. The behavior of tar-rich coal pyrolysis under crustal stress is distinct from conventional ground pyrolysis,...

Szczegółowa specyfikacja

Introduction. Reservoirs composed of thin layers with different elastic properties exhibit the anisotropy of elastic properties. Anisotropic environments are studied using special seismic positioning systems that require large financial and time resources. However, neglecting pronounced anisotropy l...

Szczegółowa specyfikacja

Landslide tsunamis can have a significant impact on the areas where they are generated and propagate. The far-field propagation of landslide tsunamis in river-type reservoirs is generally calculated using empirical formulas. By utilizing a landslide body in the Three Gorges Reservoir of the Yangtze...

Szczegółowa specyfikacja

Makassar City, a fast-growing urban center in Eastern Indonesia, is highly vulnerable to flooding due to a combination of extreme rainfall, urban expansion, sedimentation, and a limited flood management system. This study investigates the main contributors to flooding in Makassar, based on the city’...

Szczegółowa specyfikacja

Gas condensate reservoirs present significant challenges in reservoir engineering due to their complex phase behavior, which is influenced by continuous compositional changes. In particular, nanopore confinement and adsorption significantly alter the thermodynamic properties of hydrocarbons, affecti...

Szczegółowa specyfikacja

Coal mine underground reservoirs play a significant role in energy utilization while also contributing to energy security. Prolonged immersion in mine water reduces the long-term strength of coal, subsequently leading to continuous creep damage in coal pillars. This manifests as the propagation of d...

Szczegółowa specyfikacja

The use of fractional derivatives in epidemiological mathematical modeling offers several advantages over classical integer-order models, including enhanced realism, flexibility, and accuracy. Cholera dynamics, influenced by environmental reservoirs, may exhibit power-law decay, a phenomenon that fr...

Szczegółowa specyfikacja

Characterizing heterogeneity is crucial to assess the variability of rock properties in carbonate reservoir samples. This work introduces an original multiscale approach to simulate permeability and porosity in heterogeneous carbonate samples using 3D X-ray computed tomography images. The main novel...

Szczegółowa specyfikacja

As a globally critical carbon reservoir, the response mechanism of wetland ecosystems to climate change on the Qinghai–Tibet Plateau (QTP) has attracted significant scientific scrutiny. This study investigated the temperature sensitivity of cbbL-harboring carbon-sequestering microbial communities an...

Szczegółowa specyfikacja

IntroductionHot dry rock (HDR) geothermal reservoirs are a vital renewable energy source, but their exploitation requires hydraulic fracturing (HF) to enhance permeability. However, traditional electromagnetic (EM) methods face significant limitations in monitoring deep HDR fracturing due to the shi...

Szczegółowa specyfikacja

Electric submersible pumps (ESPs) are critical to the global energy sector, particularly in oil and gas production, where they are used to lift production fluids from deep reservoirs. A major challenge in ESP design is that the multi-stage series structure promotes the propagation and interaction of...

Szczegółowa specyfikacja

Airborne LiDAR enables large-scale landslide displacement field monitoring, yet suffers from complex error sources and lower accuracy than contact measurements. While GPS offers higher precision, it fails to capture overall slope displacement. This study proposes a multi-scale LiDAR-GPS fusion techn...

Szczegółowa specyfikacja

Coalbed methane (CBM), a significant unconventional natural gas resource, holds a crucial position in China’s ongoing energy structure transformation. However, the inherent low permeability, high brittleness, and strong sensitivity of CBM reservoirs to drilling fluids often lead to severe formation...

Szczegółowa specyfikacja

The heterogeneity of shale pore systems, which is controlled by thermal maturation, fundamentally governs hydrocarbon storage and migration. Artificial sequence maturity samples of Xiamaling shale were obtained through a temperature–pressure simulation experiment (350–680 °C, 15–41 MPa). In combinat...

Szczegółowa specyfikacja