At present, the formations and well pattern adjustment of the middle area in the Hai yang oil production plant has been completed. Compared with deploying new Wells and implementing measures, increase the success rate of injection and production…
At present, the formations and well pattern adjustment of the middle area in the Hai yang oil production plant has been completed. Compared with deploying new Wells and implementing measures, increase the success rate of injection and production…
In the later stage of development of Dagang Oilfield, many problems, such as inadaptable process, severe corrosion of equipment, high energy consumption and high maintenance cost, have been presented in the oilfield surface system. Through the…
In this study, experimental and mathematical studies were carried out to investigate heavy oil production performance using the carbon dioxide (CO2) huff-n-puff process, as well as the potential of CO2 storage in abundant reservoirs. Five experiments…
Pressure and rate data are commonly recorded as part of a basic monitoring program in CCS projects. This paper discusses the application of multiple analytical techniques to interpret pressure and rate transient data from CO2 injection and storage…
To determine the reasonable gas injection and production quantity and to minimize the influence of water invasion on the operation of underground gas storage is one of the key factors to decide whether the water drive gas storage can fully exert its…
Underground gas storage (UGS) is an important facility to overcome the imbalance between natural gas supply and demand. In this paper, an optimization model of injection-withdrawal scheduling for UGS in a depleted gas reservoir is established to find…
CO2 injection into a reservoir with marginal permeability ( 1014 m2) could induce pressure high enough to fracture the reservoir rock and/or caprock. A pressure-driven fracture can immensely enhance the injectivity and would not compromise the…
The industrial development of Xinjiang is facing serious carbon emissions and water shortage problems in this region. It is urgent to find a sustainable development way. CO2 geological storage combined with enhanced water recovery (CO2-EWR) is a…
Permeability sensitivity to stress experiments were conducted on standard core samples taken from Wen 23 Gas Storage at multi-cycle injection and production conditions of the gas storage to study the change pattern of stress sensitivity of…
Basin-scale geologic carbon sequestration will require hundreds of injection wells, each of which has costs related to property rights and regulatory requirements that correlate with the areal size of the carbon dioxide plume. These…
Favorable geological storage for CO2 has long been pictured as large anticlines with thick sandstones, similar to oil reservoirs in the petroleum system. Unlike oil, however, stored CO2 does not need to be recoverable, which raises the possibility of…
Compressed air energy storage (CAES) stores energy as compressed air in underground formations, typically salt dome caverns. When electricity demand grows, the compressed air is released through a turbine to produce electricity. CAES in the US is…
An analysis of the influence of injection well location on CO2 storage efficiency was carried out for three wellknown geological structures (traps) in deep aquifers of the Lower Jurassic Polish Lowlands. Geological models of the structures were used…
Using nitrogen as the blanket for the construction of a gas storage salt cavern by the solution mining under gas (SMUG) method has many advantages, such as improved safety, enhanced environmental protection and better economy. A critical issue for…
An oil and gas field requires careful operational planning and management via production optimization for increased recovery and long-term project profitability. This article addresses the challenge of production optimization in a field undergoing…
South part of NN reservoir, located at Bohai Bay of China, has reservoir characteristics of complex oil-water contact system, thin single pay zones of 6~8 m and heavy oil viscosity with 413~741mPas. At initial natural energy production stage, daily…
This paper analyzes the use of a cyclic solvent injection technique (CSI) as a non-thermal EOR alternative to cyclic steam stimulation (CSS) for increasing the heavy oil recovery in a shallow reservoir located at the middle Magdalena basin in…
A modular multiple thermal fluid generator is introduced to enhance heavy oil production, which consists of water treatment system, fuel injection system, air compressor, central burning and heat exchanging system, and measuring and controlling…
A new geothermal energy-assisted natural gas hydrate recovery method (GEAN) that can simultaneously exploit geothermal energy and natural gas hydrates (NGHs) by injecting water into a geothermal heat exchange well was proposed in this paper. GEAN…
The foam unloading technology for gas production is a very important technology for solving the liquid loading problem in gas wells, and its applications in the XN Gas Field account for 90% of all the applications of all the deliquification…
Two foaming formulations, an amphoteric surfactant (noted as Fam) and a blend of anionic-cationic-amphoteric surfactants (noted as Facam) have been prepared and tested at lab and in field in the presence of high content of condensate (60 vol% on…
Due to the severe winter climate conditions in northern China, gas wells and pipelines are at high risk of gas hydrate blockage. In order to ensure stable gas supply in winter, the required Methanol injection concentrations are as high as 3060wt% of…
This paper presents the process and results of the application of Data Physics to optimize production of a mature field in the Gulf of San Jorge Basin in Argentina. Data Physics is a novel technology that blends the reservoir physics (black oil) used…
In petroleum production projects it is important to consider injection wells in order to promote the mass balance of the porous environment and increase the recovery factor of petroleum. Some of the injection wells are utilized to inject water,…
Field application of numerical simulation to assist injection and production deployment has a long history of fitting cycle, heavy workload and low efficiency. It is necessary to improve the history matching method, improve the efficiency and…
One of the main problems with the bottomhole formation zone processing is the choice of an acid composition adapted to the peculiarities of the geological structure of the facility. The highest technological effect of the geological and technical…
In the process of oilfield development, formation pressure is an essential parameter for evaluating oilfield development effect, calculating dynamic geological reserves, conducting daily dynamic analysis of oil and water Wells and predicting oilfield…
Well production in oil fields is a dynamic and complex activity. The patterns and characteristics inherent tothe well, such as pressures and flow rates, are changing based on production time and the fluid composition-A complex multiphase mixture…
In cyber-physical petroleum systems (CPPS), accurate estimation of interwell connectivity is an important process to know reservoir properties comprehensively, determine water injection rate scientifically, and enhance oil recovery effectively for…
Well production in oil fields is a dynamic and complex activity. The patterns and characteristics inherent to the well, such as pressures and flow rates, are changing based on production time and the fluid composition - a complex multiphase mixture…
The installation of dummy valves with the initial well completion for gas lifting wells has been a popularpractise in the industry. These dummy valves provide a barrier between the annulus and the tubing duringthe well completion phase to the test…
The use of energy and the possibilities for energy recovery from pressurised fluid streams has been analysed for a petroleum production plant connected to an undersaturated oil field that was produced by water injection. The plateau production of oil…
Global experience in cold Gas Oil Gravity Drainage (cGOGD) recovery with crestal gas injection of infield produced gas is very limited, but is a proven economic recovery method for fractured carbonate reservoirs in North Oman. Despite decades of…
The microbiologically influenced‐corrosion (MIC) ‐related problems encountered in the water‐injection wells of the Rijn Oil Field, offshore the Netherlands, were assessed from multiple perspectives to determine the root cause of the corrosion and the…
Conventional water flooding method becomes ineffective facing low and ultra-low permeability oilfields, and the recovery rate of the non water harvesting period is only about 20%. Most residual oil is trapped in the reservoir and cannot be recovered.…
Studies on how to reduce the methanol injection amount in a natural gas processing plant, how to improve the methanol utilization rate, and how to cut down the energy consumption of a methanol recovery unit, are of great realistic value for the Yulin…
This work addresses a field-scale model, in which the equations of multiphase/multicomponent fluid flow and geomechanics were fully coupled, to simulate natural gas successive storage/recovery processes in an Iranian sandstone depleted gas reservoir.…
In the later stage of development of Dagang Oilfield, many problems, such as inadaptable process, severe corrosion of equipment, high energy consumption and high maintenance cost, have been presented in the oilfield surface system. Through the…
Global experience in cold Gas Oil Gravity Drainage (cGOGD) recovery with crestal gas injection of infield produced gas is very limited, but is a proven economic recovery method for fractured carbonate reservoirs in North Oman. Despite decades of…
Using nitrogen as the blanket for the construction of a gas storage salt cavern by the solution mining under gas (SMUG) method has many advantages, such as improved safety, enhanced environmental protection and better economy. A critical issue for…