Science Discovery

Volume 12, Issue 3, June 2024

  • Research Article

    Research and Application of Temporary Plugging Agent Technology for High-Pressure Wells in Gas Storage Facilities

    Yang Dong*, Zhang Yi, Ren Yongqiang, Zhang Wei, Wei Zhihong, Wu Shuhe

    Issue: Volume 12, Issue 3, June 2024
    Pages: 41-46
    Received: 3 May 2024
    Accepted: 4 June 2024
    Published: 13 June 2024
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    Abstract: Before various construction of gas storage well, in order to ensure safety, the reservoir must be temporarily blocked, degassed by circulation and no gas in the well can be operated. There are many temporary plugging methods for oil and gas wells. This paper studies the more advanced micro mesh gel temporary plugging technology in the industry and ... Show More
  • Research Article

    Experimental Study on Influencing Factors of Mixing Solidification Strength of Marine Soft Soil

    Zhang Qijun, Wang Zhiqiang, Xiao Huijin, Feng Jialiang, Qiao Fengyang, Bai Xiaoyu*

    Issue: Volume 12, Issue 3, June 2024
    Pages: 47-53
    Received: 5 May 2024
    Accepted: 4 June 2024
    Published: 13 June 2024
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    Abstract: It is a common problem that the soft soil solidified strength by mixing is low. In order to search for the sensitive factors that affect the solidified strength, a certain marine soft soil is taken as an object, four influencing factors, such as solidified material and its dosage, mixing uniformity, water-cement ratio and curing environment, were s... Show More
  • Research Article

    Evaluation of the Pilot Test Effect of Steam Stimulation in Horizontal Wells of Sand Bodies 1-1308 in Bohai L Oilfield

    Shichao Chai*, Zhengxin Lian, Jianjun Zheng, Enlin Li

    Issue: Volume 12, Issue 3, June 2024
    Pages: 54-57
    Received: 11 May 2024
    Accepted: 14 June 2024
    Published: 19 June 2024
    DOI: 10.11648/j.sd.20241203.13
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    Abstract: In order to reduce the risk of large-scale thermal recovery of heavy oil in Bohai Oilfield, L Oilfield is selected to carry out horizontal well steam stimulation pilot tests. Previous studies have summarized the rationality of the injection parameters and initial production characteristics of this experiment, but the evaluation of its development e... Show More
  • Research Article

    Effectiveness Analysis of the Combined Detection of CEA, SCC, CYFRA21-1, NSE and ProGRP for Early Diagnosis of Lung Cancer

    Shufang Zhou, Xiaojun Ge*, Zhifang Yang, Fei Zeng

    Issue: Volume 12, Issue 3, June 2024
    Pages: 58-62
    Received: 25 April 2024
    Accepted: 4 June 2024
    Published: 19 June 2024
    DOI: 10.11648/j.sd.20241203.14
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    Abstract: Objective To explore the diagnostic value and application effect of the combined detection of CEA (carcinoembryonic antigen), SCC (squamous cell carcinoma antigen), CYFRA21-1 (soluble fragment of cytokeratin 19), NSE (neuron specific enolase) and proGRP (gastrin releasing peptide precursor) in early lung cancer. Method 66 patients who admitted to t... Show More
  • Research Article

    Research Progress of Immune Checkpoint Inhibitors in Small Cell Lung Cancer

    Han Han, Yuchen Chen, Xiyong Wang*

    Issue: Volume 12, Issue 3, June 2024
    Pages: 63-67
    Received: 14 May 2024
    Accepted: 17 June 2024
    Published: 19 June 2024
    DOI: 10.11648/j.sd.20241203.15
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    Abstract: Small cell lung cancer has high malignant degree, rapid progression and poor prognosis, and has lacked effective treatment strategies for a long time. In the past, the treatment strategy for small cell lung cancer has been dominated by chemotherapy and radiotherapy, and although first-line treatment is highly effective, the vast majority of patient... Show More
  • Research Article

    Breeding of Crested Ibises Under Artificial Meteorological Conditions Factors

    Pu Shi*, Yutian Zhang, Genggeng Gao, Ling Lei

    Issue: Volume 12, Issue 3, June 2024
    Pages: 68-72
    Received: 21 March 2024
    Accepted: 17 June 2024
    Published: 19 June 2024
    DOI: 10.11648/j.sd.20241203.16
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    Abstract: The crested ibis, also known as the Japanese crested ibis, belongs to the family Threskiornithidae in the order Ciconiiformes, with the scientific name Nipponia nippon Reichenbach. It is also known by other names such as red crane, red-faced ibis and Japanese phoenix. It is distributed in the Palearctic realm, occasionally migrating to the Oriental... Show More
  • Research Article

    Research on the Application of Efficient Replacement Technology for Wellhead Casing Heads in Gas Storage Facilities

    Yang Dong*, Ren Yongqiang, Zhang Wei, Wei Zhihong, Wang Jianbao, Zhou Jianhua

    Issue: Volume 12, Issue 3, June 2024
    Pages: 73-77
    Received: 14 May 2024
    Accepted: 19 June 2024
    Published: 25 June 2024
    DOI: 10.11648/j.sd.20241203.17
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    Abstract: When it comes to gas storage facilities, it generally refers to underground gas storage facilities. Underground gas storage is a supporting project of long-distance pipelines, which is an artificial gas field or reservoir formed by injecting natural gas back into the underground space where gas can be stored. Suqiao Gas Storage is currently the dee... Show More