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Keywords: flooding
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Proceedings Papers
Jinxin Cao, Yiqiang Li, Yaqian Zhang, Wenbin Gao, Yuling Zhang, Yifei Cai, Xuechen Tang, Qihang Li, Zheyu Liu
Publisher: Society of Petroleum Engineers (SPE)
Paper presented at the SPE Conference at Oman Petroleum & Energy Show, April 22–24, 2024
Paper Number: SPE-218767-MS
..., the improved four-channel image proposed in this paper has significantly improved the segmentation accuracy due to the addition of the constraints of the rock particle mask, and the global accuracy can be Up to 99%. Combining some post-processing methods, this paper found that polymer flooding increased...
Proceedings Papers
Publisher: Society of Petroleum Engineers (SPE)
Paper presented at the SPE Conference at Oman Petroleum & Energy Show, April 22–24, 2024
Paper Number: SPE-218764-MS
... significantly to the output of the Bohai Oilfield, face challenges including severe reservoir heterogeneity, underdeveloped well patterns, large well spacing, and high crude oil viscosity. In the process of water flooding, it is prone to cross flow phenomenon, resulting in low recovery rate and a large amount...
Proceedings Papers
Dawood Mahruqi, Volodimir Karpan, Hamza Rawahi, Mohammed Abri, Nawal Aamri, Samya Farsi, Mundhir Battashi, Sulaiman Amri
Publisher: Society of Petroleum Engineers (SPE)
Paper presented at the SPE Conference at Oman Petroleum & Energy Show, April 22–24, 2024
Paper Number: SPE-218669-MS
... Moderate reservoir temperature, relatively high reservoir permeability, and low salinity/hardness of the reservoir brine favor the chemical EOR: polymer and ASP floods (see Table 1 ). The crude acid number is high, and in the presence of active petroleum acids, the role of the alkali in the ASP...
Proceedings Papers
Publisher: Society of Petroleum Engineers (SPE)
Paper presented at the SPE Conference at Oman Petroleum & Energy Show, April 22–24, 2024
Paper Number: SPE-218799-MS
... respectively. The pressure measuring points are respectively 15cm, 30cm and 45cm away from the entrance, which are given in Fig. 2 . Abstract Although polymer flooding technology has been widely applied and achieved remarkable effect of oil increment. Yet the "entry profile inversion" phenomenon occurs...
Proceedings Papers
Publisher: Society of Petroleum Engineers (SPE)
Paper presented at the SPE Conference at Oman Petroleum & Energy Show, March 21–23, 2022
Paper Number: SPE-200058-MS
... Abstract Condensate stabilizers at PDO Saih Rawl Central Processing Plant experienced severe pre-mature flooding causing process upsets and Operational difficulties. Conventional steady state simulations and tray hydraulics could not suggest actual causes. The purpose of the proposed paper...
Proceedings Papers
Duraid Al-bayati, Ali Saeedi, Ipek Ktao, Matthew Myers, Cameron White, Ali Mousavi, Quan Xie, Christopher Lagat
Publisher: Society of Petroleum Engineers (SPE)
Paper presented at the SPE Conference at Oman Petroleum & Energy Show, March 21–23, 2022
Paper Number: SPE-200103-MS
... in both X and Y axes (aligned perpendicular to the length of the samples) in real time during flooding. The XCT scans helped to create 2D cross-sectional images at different locations along the length of the sample at different saturation stages. Three-dimensional tomography was then done by stacking...
Proceedings Papers
Publisher: Society of Petroleum Engineers (SPE)
Paper presented at the SPE Conference at Oman Petroleum & Energy Show, March 21–23, 2022
Paper Number: SPE-200246-MS
... synthetic injection brine ( Table 2 ) was used for water and chemical flooding and in contact angle experiments. Table 1 Synthetic formation brine composition Salt type Concentration (mg/L) NaCl 165,546 CaCl_2.2H_2 O 69,723 MgCl_2.6H_2 O 18,724 Na_2 SO_4 2,395 NaHCO_3...
Proceedings Papers
Publisher: Society of Petroleum Engineers (SPE)
Paper presented at the SPE EOR Conference at Oil and Gas West Asia, March 26–28, 2018
Paper Number: SPE-190334-MS
... are currently considered as potential optimization routes to improve the efficiency and economics of different processes. In this study, we investigated the synergy of SmartWater in surfactant-polymer flooding for efficient oil mobilization in carbonates. The interfacial tension (IFT) data showed...
Proceedings Papers
Publisher: Society of Petroleum Engineers (SPE)
Paper presented at the SPE EOR Conference at Oil and Gas West Asia, March 26–28, 2018
Paper Number: SPE-190340-MS
... Abstract With the advantages of high sweep efficiency and displacement efficiency, alkaline-surfactant-polymer (ASP) flooding can greatly improve the oil recovery by 20%. The microscopic displacement mechanisms have been reported in detail, however, the macroscopic 3D fluid flow characteristics...
Proceedings Papers
S. Puskas, A. Vago, M. Toro, T. Ordog, G. Kalman, P. Hanzelik, Zs. Bihari, J. Blaho, R. Tabajdi, I. Dekany, J. Dudas, R. Nagy, L. Bartha, I. Lakatos
Publisher: Society of Petroleum Engineers (SPE)
Paper presented at the SPE EOR Conference at Oil and Gas West Asia, March 26–28, 2018
Paper Number: SPE-190369-MS
... with extensive water flooding, improving efficiency of recovery technologies. For this purpose, new materials and technologies should be developed and applied at both Hungarian and foreign matured oil fields. That is the biggest challenge of the research and development (R&D) activity of the MOL Upstream...
Proceedings Papers
Publisher: Society of Petroleum Engineers (SPE)
Paper presented at the SPE EOR Conference at Oil and Gas West Asia, March 26–28, 2018
Paper Number: SPE-190450-MS
... Abstract Chemical flooding, as one of the most promising EOR techniques in both laboratory research and field practice has been widely applied to enhance residual oil displacement in conglomerate and sandstone reservoirs. To fully understand the displacement mechanism of chemical flooding...
Proceedings Papers
Publisher: Society of Petroleum Engineers (SPE)
Paper presented at the SPE EOR Conference at Oil and Gas West Asia, March 26–28, 2018
Paper Number: SPE-190448-MS
... Abstract Phase separation, which decreases the synergistic effect, are observed during amount of surfactant/polymer (SP) or alkali/surfactant/polymer (ASP) flooding field applications and laboratory experiments. The idea of adding hydrophobic groups to a water-soluble polymer is to make...
Proceedings Papers
Publisher: Society of Petroleum Engineers (SPE)
Paper presented at the SPE EOR Conference at Oil and Gas West Asia, March 26–28, 2018
Paper Number: SPE-190436-MS
... process SAGD cumulative oil recovery uplift dead oil case steam flooding injection thermal method steam-assisted gravity drainage live oil case Oil Saturation Distribution flooding subsidence base case society of petroleum engineers reservoir permeability Introduction Being one...
Proceedings Papers
Publisher: Society of Petroleum Engineers (SPE)
Paper presented at the SPE EOR Conference at Oil and Gas West Asia, March 21–23, 2016
Paper Number: SPE-179778-MS
... EOR were examined. Enhanced displacement efficiency was assessed through oil density, viscosity, and the interfacial tension (IFT) between oil and gas. Moreover, the miscible flooding induced by LPG addition resulted in increased solvent viscosity and a lower density difference between the injected...
Proceedings Papers
Publisher: Society of Petroleum Engineers (SPE)
Paper presented at the SPE EOR Conference at Oil and Gas West Asia, March 21–23, 2016
Paper Number: SPE-179759-MS
... Abstract Alkaline-surfactant-polymer (ASP) combination flooding field tests showed that it could significantly enhance oil recovery for high water cut mature oilfields in China. The main problem in ASP flooding was the difficulties in lifting system and produced liquid treatment process due...
Proceedings Papers
Publisher: Society of Petroleum Engineers (SPE)
Paper presented at the SPE EOR Conference at Oil and Gas West Asia, March 21–23, 2016
Paper Number: SPE-179760-MS
... of chemical combination EOR flooding [ 11 ] . Many surfactants from different types were chosen in this study. IFT between surfactant solution and crude oil was then evaluated. The equilibrium of IFT between crude oil and ASP solution that related to the variety of surfactants and Na 2 CO 3 concentrations...
Proceedings Papers
Publisher: Society of Petroleum Engineers (SPE)
Paper presented at the SPE EOR Conference at Oil and Gas West Asia, March 21–23, 2016
Paper Number: SPE-179860-MS
... Abstract Fracture has a significant impact on sweep efficiency of displacement agent, especially for WAG process. Flooding can be affected negatively by the formation of water and gas channeling. Numerical efforts have been made to improve WAG in fracture reservoirs, however, some deficiencies...
Proceedings Papers
Publisher: Society of Petroleum Engineers (SPE)
Paper presented at the SPE EOR Conference at Oil and Gas West Asia, March 21–23, 2016
Paper Number: SPE-179794-MS
... Abstract There are about half reserves remaining underground after polymer flooding, which are huge reserves for further tapping. So how to enhance oil recovery greatly after polymer flooding has been a major technical challenge in china or abroad. According to the data of 20 pressure coring...
Proceedings Papers
Publisher: Society of Petroleum Engineers (SPE)
Paper presented at the SPE EOR Conference at Oil and Gas West Asia, March 21–23, 2016
Paper Number: SPE-179843-MS
... Abstract Seawater flooding has recently been investigated as a new emerging method on improving oil recovery in Middle East carbonates. This paper presents a mechanism study about seawater flooding in carbonates. The objective of this paper is to identify the key controlling factors...
Proceedings Papers
Publisher: Society of Petroleum Engineers (SPE)
Paper presented at the SPE EOR Conference at Oil and Gas West Asia, March 31–April 2, 2014
Paper Number: SPE-169653-MS
... Abstract A semi-analytical method to calculate recovery factors is presented which is valid for recovery technologies that are based on flooding the reservoir with a liquid, such as Water, Polymer, Alkaline Surfactant Polymer and solvents including MGI and WAG. The method is based on describing...
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