In this study, we investigated facile "dragging mode"electrohydrodynamic (EHD) jet printing of a polymer-wrapped semiconducting single-walled carbon nanotube (s-SWCNT) ink, for fabrication of NO gas-sensing field-effect transistors (FETs). The…
Innovative geological theory and key exploration fields are the eternal subjects for the disciplinary development of petroleum geology as well as hydrocarbon exploration and discovery. Geological theory innovations have been leading the petroleum…
With the growing gas demand for the coming years and the rising cost of labour and construction, emphasis has been put on improving the economics of gas projects by reducing the Capital and Operations Expenditure. The result of the considerable on…
The biorefinery concept is analogous to petroleum refinery (Petrorefinery) that utilizes nonrenewable petroleum to produce a wide range of products, mainly fuels, electricity, heat, chemicals, and various materials. Biorefinery processes employ…
Due to rapid population, urbanization and industrialization, the demand of energy source is increasing regularly. However, it is estimated that the petrochemical source of energy will be exhausted in coming decades. Therefore, there is an urgent need…
The Government of Canada has implemented measures to reduce greenhouse gas emissions, including a carbon tax and its proposed Clean Fuel Standard. Alberta's Oil Sands industry, arguably one of Canada's largest and most energy intensive industries,…
The Tulip 3D survey is a single-vessel full-azimuth Coil Shooting project in Indonesia. The circular geometry is very different to the conventional race-track towed streamer approach. While it results in many acquisition and imaging benefits, it also…
The drilling fluid invasion into hydrate-bearing sediments (HBS) would trigger geological risks. However, invasion mechanisms and formation responses during drilling the gas hydrate reservoirs, especially the fluid-loss characteristics and control…
The 3D static reservoir modelling provides a good understanding for the hydrocarbon reservoir distribution and properties. This study aimed to construct a static model to study the gas-reservoir potentiality of the Messinian Abu Madi Formation in…
This article is a synopsis of paper OTC 8313, "3D, 4D, and Beyond," by Walt Lynn, PGS Tensor Inc., originally presented at the 1997 Offshore Technology Conference, Houston, 5-8 May.
Natural gas, while the cleanest fossil fuel from an environmental viewpoint, has, for long, been the underexploited classmate of oil. Formed in the same way as oil, natural gas discovered during the search for oil, was an unwanted by-product of…
Time lapse seismic is a proven technology for reservoir monitoring. It allows accessing useful information about the fluid movement, pressure changes and so on. This technology, however, has still some limitations in term of area of application.…
4D seismic is a powerful tool to monitor a reservoir. This geophysical technique involves repeating 3D seismic over a produced area. It is well known as a robust reservoir monitoring tool in clastic deposit environments. In a carbonate reservoir…
The oil and gas industry involves a high level of operational expenditure and often faces high risks of asset safety and operational failures. It has never been so important to monitor and control the oil field operations remotely in real-time to…
An electric-driven reciprocating compressor set is the main energy-consuming equipment of a natural gas filling station, and the efficiency of a compressor set is one of the key indicators in reasonably characterizing and scientifically evaluating…
An electric-driven reciprocating compressor set is the main energy-consuming equipment of a natural gas filling station, and the efficiency of a compressor set is one of the key indicators in reasonably characterizing and scientifically evaluating…
During offshore oil and gas resource exploration, the large amount of heat generated by cement hydration will cause the hydrates around the wellbore to decompose, leading to cementing operation failure or more serious types of accidents. Therefore,…
Field development planning of gas condensate fields using numerical simulation has many aspects to consider that may lead to a significant impact on production optimization. An important aspect is to account for the effects of network constraints and…
This paper introduces the first successful refracturing example of horizontal well in a tight volcanic gas reservoir of Xushen gas field. The well was fractured and put into production in 2008, with the accumulated gas production of 0.64×108 m3. Due…
Well integrity is a key focus area in any oil and gas development. There have been several cases of well integrity issues which have resulted in scenarios of blowout, loss of lives, assets, and reputation, including costs spent for clean-up and…
An existing LNG processing complex is designed to produce C2, C3, C4 plus products from the rich LNG feed before re-gasification. Due to variation in operating parameter of LNG feed, the feed throughput to the column was restricted as at increased…
There has been a significant increase in activity in recent years in the development of exploration fields in Mexico offshore operations. Critical operational issues for managing these fields are the large volume of Excel files, disorganized…
Keshen gas field is located at Kuqa foreland area of Tarim Basin, western China. The surface is mountainous, the environment is tough and the ecosystem is fragile. Through seven years development of this field, a natural gas productivity of 5 billion…
Keshen gas field is located at Kuqa foreland area of Tarim Basin, western China. The surface is mountainous, the environment is tough and the ecosystem is fragile. Through seven years development of this field, a natural gas productivity of 5 billion…
The leakage detection system based on negative pressure wave method has been widely applied to crude oil pipelines. Aiming at its shortcomings in reducing false alarms and improving location precision, a combined Kalman filter - discrete wavelet…
The leakage detection system based on negative pressure wave method has been widely applied to crude oil pipelines. Aiming at its shortcomings in reducing false alarms and improving location precision, a combined Kalman filter - discrete wavelet…
A compact high performance mass transfer device capable of producing very high interfacial area and turbulence is described. Interfacial areas as high as 10(6) m2/m3 of absorber can be obtained which is considerably higher than conventional mass…
The Gravity Recovery and Climate Experiment (GRACE) mission has been providing abundant information regarding the mass changes of the Earth in terms of time-series of temporal gravity field models since 2002. To derive temporal gravity field models…
Phishing is the most-used malicious attempt in which attackers, commonly via emails, impersonate trusted persons or entities to obtain private information from a victim. Even though phishing email attacks are a known cybercriminal strategy for…
The determination of flow state remains an important challenge in non-perennial stream catchments. To identify periods of flow and no-flow, previous studies deployed temperature sensors on streambed surfaces and interpreted the resulting time series…
SPE MembersOseberg, which is one of the major Norwegian North Sea oil fields, will be produced by injection of associated gas and gas supplied through a pipeline from the Troll field. The two gases have different compositions and neither of them is…
Natural gas processing unit consume a high amount of energy. Any attempt to achieve lower energy consumption subjected to evaluation criteria would lead to a remarkable enhancement in the process efficiency. In the present study, an optimization was…
This paper presents recent advances in the subject of modeling and optimization of ASP (Alkaline, Surfactant and Polymer) flooding with: (1) a critical review of the state-of-the-art development of ASP flooding
Hydrocarbon fields around the world may possess suitable features for low-temperature geothermal energy extraction (below 190 °C). Few demonstration plants prove the technical feasibility of power generation from such fields. Case studies are…
Clathrate hydrates are non-stoichiometric compounds of water and gas molecules coexisting at relatively low temperatures and high pressures. The gas molecules are trapped in cage-like structures of the water molecules by hydrogen bonds. There are…
Viscosity is an important rheological parameter, which needs to be measured accurately in various industrial applications to improve the quality of the product. Micro-electro-mechanical system (MEMS)-based microfluidic viscometers are nowadays…
The biomaterials have gained the attention for utilization as sustainable alternatives for petroleum-derived products due to the rapid depletion of petroleum resources and environmental issues. Chitosan is an economical, renewable and abundant…
Asphaltene finds a distinguished position in current research on liquid and solid hydrocarbon fuels due to its self-aggregating nature. The presence of asphaltene in crude oil will reduce the quality of crude oil itself by increasing the operating…
A comprehensive study of a giant onshore Abu Dhabi gas field using a next-generation commercial numerical simulator has been conducted. The objective was to identify the distribution and track the movement of the gas condensate in the reservoir, and…
This paper describes a C-language software system dubbed FIDOS (Field Development Optimization System) that optimizes development and production from one or more gas reservoirs producing through one or more compressor stations. The optimal schedule…
To investigate the fracture propagation near the wellbore in natural fractured gas shale, a traction-separation relation is proposed and incorporated with the finite-discrete element method (FDEM) model. In the FDEM, shale matrix is discretized by…
In Oil&Gas drilling operations and after reaching deep drilled depths, high temperature increases significantly enough to damage the down-hole drilling tools, and the existing mitigation process is insufficient. In this paper, we propose a…
There currently exists a large supply of heavy crude oils which are relatively uneconomical to produce. However, there are processes available which can be used in a downhole environment to upgrade them, resulting in significantly less sulphur and…
In the oil industry, directional drilling technology plays a significant role in oil-gas exploration. The key to success of directional drilling technology is locate the borehole accurately using measurement while drilling instruments. Measurement…
Frac-packing is an attractive technique to stimulate production for gas hydrate reservoirs with the additional benefit of solving the problematic sand production problems. So far, there have been no documented mathematical models to predict the…
Greater Nile Petroleum Operating Company (GNPOC) is facing challenges to sustain their production, which has been declining at the rate of 15% (approximate) annually. Major part of production is sustained by drilling infill wells re-completion.…
Wax deposits are formed in subsea well tubing, surface flow lines and production equipment of crude oil or gas condensate as these fluids are cooled due to heat loss to the surrounding cold sea water. These solid deposits interfere with production…