Combining Continuous Fluid Typing, Wireline Formation Testers, and Geochemical Measurements for an Improved Understanding of Reservoir Architecture

2008 ◽  
Vol 11 (01) ◽  
pp. 27-40 ◽  
Author(s):  
Hani Elshahawi ◽  
Lalitha Venkataramanan ◽  
Daniel McKinney ◽  
Matt Flannery ◽  
Oliver C. Mullins ◽  
...  
Keyword(s):  
Reservoir Architecture

scholarly journals Melt movement through the Icelandic crust

2019 ◽  
Vol 377 (2139) ◽  
pp. 20180010 ◽  
Author(s):  
Robert S. White ◽  
Marie Edmonds ◽  
John Maclennan ◽  
Tim Greenfield ◽  
Thorbjorg Agustsdottir
Keyword(s):  
Carbon Dioxide ◽  
Time Scales ◽  
Upper Mantle ◽  
High Strain ◽  
Strain Rates ◽  
Complementary Information ◽  
Reservoir Architecture ◽  
Rift Zones ◽  
Shallow Crust ◽  
Basaltic Melts

We use both seismology and geobarometry to investigate the movement of melt through the volcanic crust of Iceland. We have captured melt in the act of moving within or through a series of sills ranging from the upper mantle to the shallow crust by the clusters of small earthquakes it produces as it forces its way upward. The melt is injected not just beneath the central volcanoes, but also at discrete locations along the rift zones and above the centre of the underlying mantle plume. We suggest that the high strain rates required to produce seismicity at depths of 10–25 km in a normally ductile part of the Icelandic crust are linked to the exsolution of carbon dioxide from the basaltic melts. The seismicity and geobarometry provide complementary information on the way that the melt moves through the crust, stalling and fractionating, and often freezing in one or more melt lenses on its way upwards: the seismicity shows what is happening instantaneously today, while the geobarometry gives constraints averaged over longer time scales on the depths of residence in the crust of melts prior to their eruption. This article is part of the Theo Murphy meeting issue ‘Magma reservoir architecture and dynamics'.

Making Things Right in Development and Management of Highly Contaminated Giant Carbonate Gas Field and Returning the CO2 to Subsurface Sequestration

2021 ◽  
Author(s):  
Raj Deo Tewari ◽  
Mohd Faizal Sedaralit
Keyword(s):  
Co2 Storage ◽  
Geological Structure ◽  
Geochemical Data ◽  
Gas Field ◽  
Reservoir Architecture ◽  
Target Field ◽  
Hydrocarbon Gas ◽  
Separation Of Co2 ◽  
And Migration ◽  
And Storage

Abstract Natural gas is the noble fuel of 21st century. Consumption increased nearly 30% in last decade. Exploitation of conventional, unconventional, and contaminated gas resources are in focus to meet the demand. There are number of giant gas fields discovered worldwide and some of them with higher degree of contaminants viz. CO2, H2S and Hg. Additionally, they have operating challenges of high pressure and temperature. It becomes more complex when discovery is in offshore environment. This study presents the development and production, separation, transportation and identification & evaluation of storage sites and sequestration and MMV plan of a giant carbonate gas field in offshore Malaysia. Geological, Geophysical and petrophysical data used to describe the reservoir architecture, property distribution and spatial variation in more than 1000m thick gas bearing formation. Laboratory studies carried out to generate the rock and fluid representative SCAL (G-W), EOS and Supercritical CO2-brine relative permeability, geomechanics and geochemical data for recovery and storage estimates in simulation model and evaluating the post storage scenario. These data are critical in hydrocarbon gas prediction and firming up the number of development wells and in the simulation of CO2 storage depleted carbonate gas field. Important is to understand the mechanism in the target field for storage capacity, types of storage- structural and stratigraphic trapping, solubility trapping, residual trapping and mineral trapping. Study covers methodologies developed for minimization of hydrocarbon loss during contaminants separation and utilization of CO2 in usable products. Uncertainty and risk analysis have been carried out to have range of solution for production prediction and CO2 storage. Coupled Simulation studies predict the production plateau rate and 5 Tscf recovery separated contaminants profile and volume > one Tscf in order to have suitable geological structure for storage safely forever. Major uncertainties in the dynamic and coupled geomechanical-geochemical dynamic model has been captured and P90, P50, P10 forecast and storage rates and volumes have been calculated. Results includes advance methodologies of separation of hydrocarbon gas and CO2 like membrane and cryogenics for bulk separation of CO2 from raw gas and its transportation in liquid and supercritical form for storage. Study estimates components of sequestration mechanism, effect of heterogeneity on transport in porous media and height of stored CO2 in depleted reservoir and migration of plume vertically and horizontally. Generation of chemical product using separated CO2 for industrial use is highlighted.

FLUVIAL RESERVOIR ARCHITECTURE INTERPRETATION BELOW THE SEISMIC RESOLUTION IN AN OFFSHORE OILFIELD

2021 ◽  
pp. 1-49
Author(s):  
Dong Zhang ◽  
Xuri Huang ◽  
Ting’en Fan ◽  
Haifeng Wang ◽  
Feng Ding ◽  
...  
Keyword(s):  
Time Window ◽  
Seismic Attributes ◽  
Gradient Algorithm ◽  
Bohai Bay ◽  
Reservoir Heterogeneity ◽  
Reservoir Architecture ◽  
Fluvial Reservoir ◽  
Seismic Resolution ◽  
Infill Drilling ◽  
Bounding Surfaces

Reservoir discontinuity is a practical representation of reservoir heterogeneity, which leads to the non-uniformed flow of hydrocarbons during production and to the increase in the difficulties of producing the remaining oil in clastic reservoirs. A feasible solution is to detect the internal bounding surfaces of the reservoir based on infill drilling data. However, for offshore oilfields, reservoir discontinuity analysis will have to rely on seismic data due to their sparse well spacings. Moreover, from the interpretation of a fluvial reservoir system in Chinaapos;s Bohai Bay, it turns out that the thickness of the sandstone is usually smaller than the seismic tuning thickness. In order to interpret a fluvial reservoir architecture which is below the seismic resolution, we elaborated a hierarchy of the fluvial reservoir architectures and classified the compound sandstones as different architectural elements according to their sedimentary periods. Forward models were designed to analyze the seismic responses of the architectures. The results demonstrate that amplitude-related seismic attributes could be sensitive to different reservoir architectures below the seismic resolution. The amplitude-related seismic attributes can be extracted through a time window guided by the horizons. The horizon-based attributes can be treated as digital images which may contain the information of compound sandstones with hidden discontinuity boundaries. We propose a direction-adaptive mathematical morphology gradient algorithm that can detect the boundaries of reservoir architectures in different directions on horizon-based seismic attributes. The application to field data demonstrates that the boundaries detected by the proposed algorithm have a good consistency with well logs. This method could enhance our capability to visualize and understand the complexity of reservoir heterogeneity.

Reservoir Architecture Characterization From Integration of Fluid Property Distributions With Other Logs

2009 ◽  
Author(s):  
Chengli Dong ◽  
Wei-Chun Chun ◽  
Frederik Majkut ◽  
Oliver C. Mullins ◽  
Julian Youxiang Zuo
Keyword(s):  
Fluid Property ◽  
Reservoir Architecture

Ahdeb oil field, Mesopotamian Basin, Iraq: Reservoir architecture and oil charge history

AAPG Bulletin ◽  
2018 ◽  
Vol 102 (12) ◽  
pp. 2447-2480
Author(s):  
Hucheng Deng ◽  
Meiyan Fu ◽  
Tingting Huang ◽  
Jon G. Gluyas ◽  
Mingsheng Tong ◽  
...  
Keyword(s):  
Oil Field ◽  
Reservoir Architecture
Sign in / Sign up

Export Citation Format

Share Document