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Keywords: reservoir
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Proceedings Papers
First Application of 2D NMR Measurements Derived Reservoir Characterization in Deep Coalbed Methane Reservoir in Sichuan Basin, China
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Paper presented at the SPWLA 29th Formation Evaluation Symposium of Japan, September 12–13, 2024
Paper Number: SPWLA-JFES-2024-M
... Abstract Developing deep coalbed methane (CBM) reservoirs is becoming a key direction for different operators after the production breakthrough in the Ordos Basin in China. The deep CBM reservoirs have more complex and heterogeneous properties and intrinsic mechanisms than other unconventional...
Proceedings Papers
Artificial Intelligent (AI) Assisted Formation Evaluation and Reservoir Monitoring in a CO 2 Producing Field: Case Studies From Offshore Peninsular Malaysia
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Paper presented at the SPWLA 28th Formation Evaluation Symposium of Japan, September 13–14, 2023
Paper Number: SPWLA-JFES-2023-T
...The 28th Formation Evaluation Symposium of Japan, September 13-14, 2023 ARTIFICIAL INTELLIGENT (AI) ASSISTED FORMATION EVALUATION AND RESERVOIR MONITORING IN A CO2 PRODUCING FIELD: CASE STUDIES FROM OFFSHORE PENINSULAR MALAYSIA Siti Najmi Farhan Zulkipli 1 1. PETRONAS Carigali Sdn. Bhd. Copyright...
Proceedings Papers
Fluid Characterization in Tight Carbonate Reservoirs Assisted by Novel Non-Electrical Logging Techniques: Case Studies of Central Sichuan Basin, China
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Paper presented at the SPWLA 28th Formation Evaluation Symposium of Japan, September 13–14, 2023
Paper Number: SPWLA-JFES-2023-E
... Abstract Fluid identification is one of the greatest challenges in Sichuan Basin, China. The tight carbonate reservoirs have very strong heterogeneity in mineralogy and pore structure without a unified free water level, resulting in the frequent failure of water saturation calculation...
Proceedings Papers
New Application Territory of Ultra-Deep Azimuthal Resistivity Technology in Pushing a Strategic Redevelopment of Deepwater Reservoir by Avoiding Uncertain Engineering and Reservoir Risks
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Paper presented at the SPWLA 28th Formation Evaluation Symposium of Japan, September 13–14, 2023
Paper Number: SPWLA-JFES-2023-N
...The 28th Formation Evaluation Symposium of Japan, September 13-14, 2023 NEW APPLICATION TERRITORY OF ULTRA-DEEP AZIMUTHAL RESISTIVITY TECHNOLOGY IN PUSHING A STRATEGIC REDEVELOPMENT OF DEEPWATER RESERVOIR BY AVOIDING UNCERTAIN ENGINEERING AND RESERVOIR RISKS Yongming Gao 1, Lipeng He 1, Botao Chang...
Proceedings Papers
Application of New Technology on Effective Secondary Pore and Fracture Evaluation in Sinian Dengying Dolomite Formation, Sichuan Basin
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Paper presented at the SPWLA 28th Formation Evaluation Symposium of Japan, September 13–14, 2023
Paper Number: SPWLA-JFES-2023-F
... that the quantitative evaluation of vugs and fractures is the key point to a good karst dolomite reservoir. However, due to the limited resolution of conventional logs and strong heterogeneity of carbonate reservoir, conventional open hole logs and seismic data have limitation to provide the details of secondary pore...
Proceedings Papers
Effect of Crude Viscosity to Nuclear Magnetic Resonance (NMR) Responses in Different Types of Reservoirs: An Experimental Study
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Paper presented at the SPWLA 27th Formation Evaluation Symposium of Japan, September 14–15, 2022
Paper Number: SPWLA-JFES-2022-D
... Abstract Pore structure evaluation was of great importance in improving reservoirs characterization and validity prediction, especially in unconventional reservoirs. The nuclear magnetic resonance (NMR) log was considered to be advantageous in formation pore structure characterization...
Proceedings Papers
A Novel Method To Identify Surface Water Invasion Hydrocarbon-Bearing Potential Reservoirs Using Geophysical Well Logging Data
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Paper presented at the SPWLA 27th Formation Evaluation Symposium of Japan, September 14–15, 2022
Paper Number: SPWLA-JFES-2022-E
... Abstract Surface water invasion reservoir was defined as such type of reservoir that connected to surface due to tectonism (e.g., denude, discordance) or fractures. Surface fresh water with ultra-low concentration was invaded into formation pore spaces, and this led to the coexistence of high...
Proceedings Papers
Tight Sandstone Reservoir Pore Structure Characterization from Conventional Well Logging Data Based on Machine Learning Method
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Paper presented at the SPWLA 27th Formation Evaluation Symposium of Japan, September 14–15, 2022
Paper Number: SPWLA-JFES-2022-M
... Abstract Tight sandstone reservoir characterization and validity evaluation faced great challenge due to the complicated pore structure and strong heterogeneity. Generally, the nuclear magnetic resonance (NMR) logging was used to characterize pore structure to improve tight sandstone...
Proceedings Papers
Well Log Analysis for Surveying Optimum CCS Reservoir Location - A Case Study
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Paper presented at the SPWLA 25th Formation Evaluation Symposium of Japan, September 25–26, 2019
Paper Number: SPWLA-JFES-2019-F
...The 25th Formation Evaluation Symposium of Japan, September 25-26, 2019 -1- WELL LOG ANALYSIS FOR SURVEYING OPTIMUM CCS RESERVOIR LOCATION A CASE STUDY Kunio Akihisa1., Shingo Tokuyasu2., Kohei Takayama2., Kohei Yamaguchi3. 1. Oil Research, Limited 2. NC Geophysical Survey Company Limited 3...
Proceedings Papers
The Investigation of Sonic Log Response in Gas Dissolved in Water Reservoir - Case Study of Nakajo
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Paper presented at the SPWLA 25th Formation Evaluation Symposium of Japan, September 25–26, 2019
Paper Number: SPWLA-JFES-2019-R
...The 25th Formation Evaluation Symposium of Japan, September 25-26, 2019 -1- THE INVESTIGATION OF SONIC LOG RESPONSE IN GAS DISSOLVED IN WATER RESERVOIR CASE STUDY OF NAKAJO Takuya Mizukami1, Tetsuo Fukano1, Takeo Aoyama1 and Yuki Maehara 2 1. JX Nippon Oil & Gas Exploration Corporation (JX Nippon...
Proceedings Papers
Applicability of Low-Salinity EOR to an Offshore Clastic Reservoir in Vietnam Through Experiments and Simulation
Available to PurchaseRyoichi Morishita, Ryusuke Matsuyama, Masazumi Takayanagi, Satoru Takahashi, Din Duc Huy, Pham Truong Giang, Nguyen Manh Hung, Nguyen Minh Quy
Paper presented at the SPWLA 25th Formation Evaluation Symposium of Japan, September 25–26, 2019
Paper Number: SPWLA-JFES-2019-J
...The 25th Formation Evaluation Symposium of Japan, September 25-26, 2019 -1- APPLICABILITY OF LOW-SALINITY EOR TO AN OFFSHORE CLASTIC RESERVOIR IN VIETNAM THROUGH EXPERIMENTS AND SIMULATION Ryoichi Morishita 1, Ryusuke Matsuyama 1, Masazumi Takayanagi 1, Satoru Takahashi 1, Din Duc Huy 2, Pham...
Proceedings Papers
First Hexa-Combo Logging While Drilling Run in Kuwait: A Case Study
Available to PurchaseKhaled Saleh, Abdulaziz Al-Khudari, Mejbel Saad Al-Azmi, Fahad Barrak Al-Otaibi, Chinmaya Patnaik, Girija Kumar Joshi, Anar Abdulkarim, Ahmet Aki, Nadir Fahri, Aniket Sanyal, Shahrin Sainuddin, Benjamin Clarion
Paper presented at the SPWLA 25th Formation Evaluation Symposium of Japan, September 25–26, 2019
Paper Number: SPWLA-JFES-2019-N
... sections in the Marrat reservoir of the Jurassic formations have traditionally required several wireline logging and hole conditioning runs for comprehensive petrophysical interpretation and completion design. As the planned well inclinations increase to maximize reservoir exposure and sweep efficiency, WL...
Proceedings Papers
Arresting the Production Decline and Increasing the Ultimate Recovery of a Mature Oilfield in Offshore South China Sea
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Paper presented at the SPWLA 25th Formation Evaluation Symposium of Japan, September 25–26, 2019
Paper Number: SPWLA-JFES-2019-O
... and exploiting of these targets present technical and operational challenges. Not only the horizontal well needs to be optimally placed within complex target zone, the lateral also needs to be placed close to the reservoir top to keep it away from the unknown current fluid contact. Real-time evaluation...
Proceedings Papers
Application of FPWD to the Reservoir Description and Completion Optimization in Highly Deviated Wells in South China Sea
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Paper presented at the SPWLA 25th Formation Evaluation Symposium of Japan, September 25–26, 2019
Paper Number: SPWLA-JFES-2019-M
...The 25th Formation Evaluation Symposium of Japan, September 25-26, 2019 -1- APPLICATION OF FPWD TO THE RESERVOIR DESCRIPTION AND COMPLETION OPTIMIZATION IN HIGHLY DEVIATED WELLS IN SOUTH CHINA SEA Sheng Lin HE1, Lei ZHANG2, Shim Yen Han2, Sai Jun DING2, Xiao Jie GUO2 1. CNOOC Zhanjiang 2...
Proceedings Papers
A New Measurement of Evaluating Gas or CO 2 in Formation - Fast Neutron Cross Section
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Paper presented at the SPWLA 25th Formation Evaluation Symposium of Japan, September 25–26, 2019
Paper Number: SPWLA-JFES-2019-G
... scenarios to identify gas or CO 2 in reservoirs and determine the gas saturation with case studies (Iglesias et al., 2016; Rose et al., 2017). Simulated log response in a forward formation model of shale and sand, that shows FNXS is sensitive to gas-filled porosity variation, but insensitive to liquid...
Proceedings Papers
Improved Permeability Estimation: From Static to Dynamic To Understand Productivity Better
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Paper presented at the SPWLA 25th Formation Evaluation Symposium of Japan, September 25–26, 2019
Paper Number: SPWLA-JFES-2019-Q
... permeability has been overlooked; the result therefore can lead to the big error for production prediction in the early stage of life cycle, especially in complex reservoir system, such as heterogeneity and low permeability formations etc., consequently impact the decision-making process of completion schemes...
Proceedings Papers
New Generation of Pulse Neutron Multi Detector Comparison in a Challenging Multi Stack Clastic Reservoirs: A Case Study in Brown Field Malaysia
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Paper presented at the SPWLA 25th Formation Evaluation Symposium of Japan, September 25–26, 2019
Paper Number: SPWLA-JFES-2019-S
... ABSTRACT Running Pulse Neutron logs in Malaysia has previously been plagued by high uncertainties, especially in brown fields with complex multi stacked clastic reservoirs. Together with a wide range of porosities and permeabilities, the acquired logs quite often than not, tend to yield...
Proceedings Papers
Case Study: Uncertainty Analysis of Reservoir Parameters in Low Resistivity Heavy Oil Reservoir To Understand Reservoir Performance
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Paper presented at the SPWLA 24th Formation Evaluation Symposium of Japan, October 11–12, 2018
Paper Number: SPWLA-JFES-2018-H
... ABSTRACT With the fast pace of technology utilization, South China Sea has been having continuous exploration success, especially in shallow heavy oil reservoir with low resistivity contrast. The big uncertainty in this type of reservoir in this area is the well performance in the development...
Proceedings Papers
Production Evaluation for Gas Condensate at Early Exploration Stage Based on Comprehensive Well Log Analysis and Downhole Fluid Analysis (DFA): Case Study From Bohai Bay
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Paper presented at the SPWLA 24th Formation Evaluation Symposium of Japan, October 11–12, 2018
Paper Number: SPWLA-JFES-2018-N
... ABSTRACT As a result of a new exploration strategy focused on deep rather than shallow formations, the largest gas condensate reservoir has been discovered recently in Bohai Bay, China. Due to the complex fluid behaviour, appropriate characterization of the in-situ fluids and relevant flow...
Proceedings Papers
Productivity Evaluation of Pronounced Heterogeneous Gas Reservoir Drilled at High Overbalance
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Paper presented at the SPWLA 24th Formation Evaluation Symposium of Japan, October 11–12, 2018
Paper Number: SPWLA-JFES-2018-D
... ABSTRACT Reservoir heterogeneity is the key factor which impact production, the water flooding efficiency and ultimate hydrocarbon recovery during the reservoir development. Reliable productivity evaluation from early stage is needed to understand reservoir characteristics and minimize...
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