... Abstract This study has been focusing on planning wells, which target lower Pleistocene reservoirs below a depleted Ha'py gas field. Many Non Productive time events (NPT) have been anticipated, and the challenges of losing wells and running over budget have been considered as major risks...

... Abstract During effective acid stimulation of mature producing wells, operators often face challenges in terms of achieving sustained production increases. Such challenges in formations subjected to acid stimulation in offshore West Africa include high temperatures (305°F), low reservoir...

... Abstract Oil and Gas companies are always concerned with continuously evaluating reserves of their assets. Calculating reserves is not an easy task since it requires full knowledge of many technical and non-technical aspects regarding the reservoir nature, available budget, utilized technology...

... Abstract This study presents a general method for analyzing pressure buildup data from a well located in a multiwell reservoir, especially in a special case of pressure buildup test which the testing well and adjoining wells are all shutting in at the same time. On this basis, the effect...

... Abstract Field development plan is an integration among Geophysical, Geological, Petrophysical and Reservoir Engineering data. The 3D seismic and wellbore data confirm that the field is composed of complex structures with variable of oil-water contact and differences in pressure surveys...

... Abstract In this paper, production characteristics of tight oil reservoirs are summarized and analyzed, the investigated reservoirs include Cardium sandstone reservoir and Pekisko limestone reservoir. The phenomenon that gas and oil or water and oil are co-produced at an early stage...

... annular space Completion Installation and Operations Fluid Dynamics intervention communication wellbore integrity casing and cementing integrity issue Permeability reduction wellbore schematic CP system flow in porous media Upstream Oil & Gas isolation Leak cement slurry reservoir...

... and extended reach drilling. In addition, some geological and reservoir cases put horizontal well in a challenging position. But still no one can deny advantages of horizontal wells and its contribution to the oil production and increasing exploited reserves. This article addresses the most exhibited...

... Abstract Abu Roash-D (AR-D) is a common carbonate reservoir in Abu Gharadig (AG) field, Western Desert of Egypt. It is characterized as a limestone reservoir which has good lateral continuity, contains natural fractures with poor connectivity in addition to formation tightness...

... Abstract The South Fuwaris Field is located in the Partitioned Zone between Kuwait and Saudi Arabia. The Lower Cretaceous Ratawi reservoirs were discovered in 1961, and production commenced in 1963. There are two major reservoirs – the Ratawi Limestone, which is predominantly developed...

... reservoirs, in particular for lean condensate gas systems as the absolute permeability was estimated with error of 2%. However, it significantly underestimates the skin factor with error of −1.3. Well Test Analysis Results of a Horizontal Well in Gas Condensate Infinite Reservoir The results...

... Upstream Oil & Gas formation damage ve fluid reservoir proppant crosslink guar wormlike micelle viscoelastic surfactant fluid surfactant supramolecular viscoelastic surfactant society of petroleum engineers Introduction Guar has been widely used as thickener for fracturing fluid...

... with fewer wells Rudies formation in Belayim Land field is a bottom water-drive reservoir with a strong supporting aquifer. it is characterized by its great isotropy and heterogeneity where based on the analysis of SCAL data, it was found that the vertical permeability is nearly equal to horizontal...

... injection modes into a Middle Eastern heavy oil reservoir. The ultimate goal of this study is to design a complete steam injection process capable to provide the highest cumulative oil recovery. Screening criteria has been applied for the reservoir to select the steam injection as the most appropriate...

... and reservoir screening criteria, as well as ratios for nitrogen demand and incremental oil production. Nitrogen is produced from air, and therefore universally available as an inert and low cost injection fluid. The technology can be used in onshore and offshore environments, and especially in areas where...

... Roash "G" member (A/R G) of Cenomanian (Cretaceous) age. These sandstones comprise the main reservoirs in the field. During the last 4 years, the introduction of various techniques has led to a fourfold increase in the production from these fields. This success story is mainly the result of using...

... Abstract Carbonate reservoirs have been recognized as very heterogeneous formations due to complex depositional environments, which complicate application of Alkaline/ Surfactant/Polymer (ASP) process. The main objectives of this study are to (1) present progress of screening criteria...

... approaches to enhanced oil recovery (EOR) techniques in old and marginal fields. Nanoparticles have been developed for various applications in reservoir engineering and EOR fields. Using nanoparticles for EOR applications refers to their small size compared to the pore throat sizes; therefore, they could...

... Abstract No doubt that facies modelling process is a key process during building the static model which dominates all the petrophysical distribution after that. One of the best way to describe the facies change laterally across the reservoir is seismic attributes interpretation. However...

... attributable to reservoir lithological heterogeneity and low permeability in addition to the microporosity pore system. From the operations perspective, locating the probe on the sweet spot, and the difficulty associated with sealing probes on testing tools present major challenges. To increase the success...