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Taichao Wang, Xin Li, Fengming Liu, Lijun Zhang, Haojun Xie and Yuting Bai
The discrete fracture model (DFM) and the embedded discrete fracture model (EDFM) are both the most widely used methods to simulate fractured wells? production. In general, DFM represents fractures using an unstructured grid, and EDFM represents fracture...
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De Nyago Tafen, Barbara Kutchko and Mehrdad Massoudi
Cement fractures represent preferential leakage pathways in abandoned wells upon exposure to a CO2-rich fluid. Understanding fracture alteration resulting from geochemical reactions is critical for assessing well integrity in CO2 storage. This paper desc...
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Benyamin Benyamin*,Pratiwi Pratiwi,Fitriani Indah
Pág. 224 - 234
Jatibarang structure, situated in Jatibarang low, one of the prolific sub-basin in the northwest Java basin, belongs to PT. Pertamina EP working area. One hundred seventy wells have been drilled, from which there were 56 production wells. Forty productio...
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Jang Hyun Lee and Juhairi Aris Bin Muhamad Shuhili
Pressure transient analysis for a vertically hydraulically fractured well is evaluated using two different equations, which cater for linear flow at the early stage and radial flow in the later stage. However, there are three different stages that take p...
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Daniela Valigi, Costanza Cambi, Roberto Checcucci and Lucio Di Matteo
Transmissivity estimates can be obtained by different approaches, mainly analytical and empirical. The application of analytical methods requires checking non-linear well losses due to turbulence and vertical flow related to partial penetration. The empi...
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Hui Gao, Yule Hu, Longchen Duan and Kun Ai
The pseudosteady state productivity index is very important for evaluating the production from oil and gas wells. It is usually used as an objective function for the optimization of fractured wells. However, there is no analytical solution for it, especi...
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Guofeng Han, Yuewu Liu, Wenchao Liu and Dapeng Gao
Pressure communication between adjacent wells is frequently encountered in multi-stage hydraulic fractured shale gas reservoirs. An interference test is one of the most popular methods for testing the connectivity of a reservoir. Currently, there is no p...
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David Walker, Geoff Parkin, John Gowing and Alemseged Tamiru Haile
Rural communities in sub-Saharan Africa commonly rely on shallow hand-dug wells and springs; consequently, shallow aquifers are an extremely important water source. Increased utilisation of shallow groundwater could help towards achieving multiple sustai...
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Yann Le Gallo and José Carlos De Dios
Investigation into geological storage of CO2 is underway at Hontomín (Spain). The storage reservoir is a deep saline aquifer formed by naturally fractured carbonates with low matrix permeability. Understanding the processes that are involved in CO...
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Mohamed R. Shalaby, Nurhazwana Jumat and Md. Aminul Islam
The use of borehole imaging tools has become widespread in recent years with more specialized studies of reservoir properties, particularly in highly-porous and fractured carbonate systems. In this study, the Formation MicroScanner (FMS) borehole imaging...
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