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  1. No Access

    Chapter and Conference Paper

    Research and Application of Oil Well Working Condition Analysis Targeted on Achieving Maximum Production Profit

    With the development of Daqing oilfield, mechanical wells are confronted with more complex influencing factors. And submergence depth is one of the most important indexes to measure working condition of the me...

    Yu Hou, Kai-bo Zhang, Yan-an Sun… in Proceedings of the International Field Exp… (2023)

  2. No Access

    Chapter and Conference Paper

    Evaluation of Injection-Production Overflow of Gas Storage Reconstructed by Lithologic Gas Reservoir

    s7 block is located on the southwest side of the yulin gas field in Ordos Basin, the central area of the block has good physical properties and high productivity, but the peripheral area of the block are tight .....

    De-long Wang, **-bu Li, Jian- guo Zhang… in Proceedings of the International Field Exp… (2023)

  3. No Access

    Chapter and Conference Paper

    Study on Site Selection Method for Rebuilding Gas Storage by Lithologic Gas Reservoir – Taking S Gas Storage as an Example

    The underground gas storage converted from gas reservoir is the main facility for natural gas storage, and site selection is an important link in the construction of type gas storage. In the screening process,...

    Qiong-**g Yang, De-long Wang, Ya-lan Wang… in Proceedings of the International Field Exp… (2023)

  4. No Access

    Chapter and Conference Paper

    Research on High Gas-Liquid Ratio Lifting Technology in Carbon Dioxide Flooding for Pum** Unit Wells

    In view of the problems of low liquid production, high gas-liquid ratio, high casing tube pressure during carbon dioxide flooding for pum** unit wells, which has many has a negative impact on the production ...

    Meng Cai, Yang Wang, Chunlong Sun… in Proceedings of the International Field Exp… (2023)

  5. No Access

    Chapter and Conference Paper

    Investigation on the Mechanisms and Effects of Water Shut-Off by Blind Pipe in High Water Cut Oil Well

    Based on the blind water shut-off test carried out in Shengli Oilfield, the mechanisms and effects of water shut-off were analyzed under the varying lengths of blind pipe, and the relationship between differen...

    Yi Chen, De-chun Chen, Jie-xiang Wang… in Proceedings of the International Field Exp… (2023)

  6. No Access

    Chapter and Conference Paper

    Research of Throttle Salvaging Technology by Lubricating and Reducing Friction

    Sulige gas field is a typical low permeability and low production gas field. In order to achieve economic and effective development, the development mode of downhole throttling and low pressure gas gathering i...

    Chang-ling Wang, Zhao Dong, Bing Huang… in Proceedings of the International Field Exp… (2023)

  7. No Access

    Chapter and Conference Paper

    Construction of Anti-channeling and Plugging Agent Assisted Oxygen-Reducing Air Flooding System and Its EOR Effects

    Relying on the oxygen-reduced air flooding (ORAF) and anti-channeling test in Changqing Oilfield A test area, the static performance evaluation experiments of different plugging agents such as particle size di...

    Wei Song, De-chun Chen, Jie-xiang Wang… in Proceedings of the International Field Exp… (2023)

  8. No Access

    Chapter and Conference Paper

    Research on Optimization of Energy Storage Re-fracturing for the Old Vertical Wells in Tight Oil

    At present, after the production life of the old tight vertical wells is too long, the original hydraulic fractures will gradually fail, and the high conductivity channels will gradually close. At the same tim...

    Yi Zou, De-sheng Zhou, Ye-nan Jie… in Proceedings of the International Field Exp… (2023)

  9. No Access

    Chapter and Conference Paper

    Study on Imbibition Mode of Reservoir Fracturing

    The high production period of oil Wells in tight reservoirs represented by Yingxi area in Qaidam Basin is less than 60 days after fracturing, and the initial decline rate is more than 70%, making it difficult ...

    De-long Guo, Hai Lin, You-yu Wan… in Proceedings of the International Field Exp… (2023)

  10. No Access

    Chapter and Conference Paper

    Integration and Application of Wellbore Quality Assurance Technology for Shalestone in Agadem Oilfield, Niger

    Niger project, with abundant oil and gas resources (proven geological reserves of 700 million tons and exploitable reserves of 127 million tons), is an important area for PetroChina’s oil and gas cooperation i...

    Gang Wang, De-xiang Duan, Yue **ao… in Proceedings of the International Field Exp… (2023)

  11. No Access

    Chapter and Conference Paper

    “Six in One” Management Aiming at Improving Pump Inspection Period of ASP Flooding

    Field application shows that ASP flooding can enhance oil recovery by more than 20% on the basis of water flooding, 10% more than polymer flooding. However, due to the existence of alkali, the scaling of mecha...

    Chang-ming Zhao, Qing-guo Wang… in Proceedings of the International Field Exp… (2022)

  12. No Access

    Chapter and Conference Paper

    Study on Sand and Its Connectivity of an Oilfield in Qaidam Basin

    The oilfield in the case study is in development stage, which is located in the Qaidam Basin. The oil-water relationship of sand body is complex. How to use well seismic and production data to study the connec...

    Jie Wang, Yin-tao Cai, De-sheng Sun… in Proceedings of the International Field Exp… (2022)

  13. No Access

    Chapter and Conference Paper

    Study on Analysis Method of Horizontal Well Staging Testing After Fracturing in Tight Reservoir

    The staged fracturing technology of horizontal wells is the primary technology in the development of unconventional oil and gas resources such as tight oi

    Yang Zhang, Cheng **g, **n Fan… in Proceedings of the International Field Exp… (2022)

  14. No Access

    Chapter and Conference Paper

    Simulation Study on Stress Field Around Hydraulic Fractured Wellbore in Low Permeability Sandstone Reservoir

    Hydraulic fracturing technology is commonly used to stimulate low-permeability reservoirs. During fracturing processes, the stress field around wellbores directly affects the initiation and propagation of frac...

    **n Fan, Hai-yang Wang, Ye-nan Jie… in Proceedings of the International Field Exp… (2022)

  15. No Access

    Chapter and Conference Paper

    Simulation Study on the Influence of Fracture Distribution Mode on Gas Production in Horizontal Wells in Tight Sandstone Gas Reservoir

    Horizontal well-staged fracturing technology is the most important stimulation technology for the development of tight sandstone oil and gas reservoirs. However, when using this technology to develop tight san...

    Ye-nan Jie, Meng Li, Le Yan, **n Fan… in Proceedings of the International Field Exp… (2022)

  16. No Access

    Chapter and Conference Paper

    Jamming Test Scenario Design for Satellite-Based Train Positioning in Railway Signaling Systems

    The implementation of satellite positioning technology in determining the train speed and location has been an important choice to promote the autonomous and intelligent development of new generation railway s...

    Kang-zhi Xu, Jiang Liu, Bai-gen Cai… in China Satellite Navigation Conference (CSN… (2022)

  17. No Access

    Chapter and Conference Paper

    New Predicting Method of UGS Well Performance in Strongly Heterogeneous Gas Reservoir

    Gas well performance is one of the key indexes to determine the working gas volume, peaking capacity and the economy of the underground gas storage. The reconstruction of deep medium-low permeability depleted ...

    Shao-**g Zheng, **an-shan Liu… in Proceedings of the International Field Exp… (2022)

  18. No Access

    Chapter and Conference Paper

    Remaining Oil Prediction of Limestone Reservoir in Qaidam Basin

    Study area is a development oilfield, and the water content of algal limestone reservoir is up to 90%. How to predict the remaining oil distribution in algal limestone block is difficulty in the study area. W...

    Jie Wang, Yintao Cai, Shao-hua Hu… in Proceedings of the International Field Exp… (2022)

  19. No Access

    Chapter and Conference Paper

    Gas Leak Risk Assessment of Reservoir in Block S7 into Underground Gas Storage Reservoir

    Block S7 is located in the southwest of Y gas field. There is no definite boundary between gas reservoir of Block S7 and Block L, so the risk of gas leak should be evaluated. In this paper, the interlayer bloc...

    Wang Lei-lei, Zhang Jian-guo, Wang De-long… in Proceedings of the International Field Exp… (2022)

  20. No Access

    Chapter and Conference Paper

    Design and Numerical Simulation of New Type Drainage Gas Recovery Device

    Liquid loading is one of the important reasons for the production decline or even shutdown of water-bearing gas wells. In the production process of gas wells, it is necessary to drain the bottom hole liquid l...

    Hai-yang Wang, De-sheng Zhou, **n Fan… in Proceedings of the International Field Exp… (2022)

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