International Journal of Oil, Gas and Coal Engineering

Volume 6, Issue 6, November 2018

  • New Advances and Existed Problems for the Forming Mechanism of the Microbial Dolomite

    Hao Wang, Enzhao Xiao, Yiyao Li, Khalid Latif, Muhammad Riaz

    Issue: Volume 6, Issue 6, November 2018
    Pages: 126-133
    Received: 4 July 2018
    Accepted: 22 August 2018
    Published: 12 October 2018
    DOI: 10.11648/j.ogce.20180606.11
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    Abstract: In the recent years, the study on the formation mechanism of microbial dolomite broadens the concept of "dolomite problem" perspective in sedimentology. The microbial dolomite model discusses sulfate reduction reaction, methane production, organic molecular hydrolysis and many other related topics under the same heading, which help in explaining th... Show More
  • Application of Low Pressure N2 Adsorption on Shale Nanoscale Pore Structure: Examples from the Permian Shanxi Formation of Transitional Facies Shale

    Delu Xie, Suping Yao, Rongjie Hu, Biao Liu

    Issue: Volume 6, Issue 6, November 2018
    Pages: 134-141
    Received: 15 August 2018
    Accepted: 29 August 2018
    Published: 12 October 2018
    DOI: 10.11648/j.ogce.20180606.12
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    Abstract: Shale gas resources in transitional facies are important unconventional energy sources. In order to understand the seepage characteristics of shale reservoir, low pressure nitrogen adsorption experiment were applied to investigate the nanoscale pore structure and adsorption fractal characteristics of shale in Shanxi Formation. FHH fractal model was... Show More
  • Research and Application of Commissioning Technology for LNG Tank Zero Discharge Commissioning

    Kong Linghai, Li Wenfeng, Deng Wenyuan, Tong Wenlong

    Issue: Volume 6, Issue 6, November 2018
    Pages: 142-149
    Received: 21 August 2018
    Accepted: 4 September 2018
    Published: 12 October 2018
    DOI: 10.11648/j.ogce.20180606.13
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    Abstract: Before cooling, the LNG tank is filled with nitrogen. During the test run, the tank will be gradually cooled from normal temperature to - 162 C. A large amount of BOG with high nitrogen content will be discharged to the torch in a short time, resulting in a great waste of resources. This paper discusses the difficulty of BOG recovery in LNG tank co... Show More
  • Analysis of Factors Affecting Residual Moveout Picking and Solutions

    Hui Zhang

    Issue: Volume 6, Issue 6, November 2018
    Pages: 150-158
    Received: 10 September 2018
    Accepted: 21 September 2018
    Published: 23 October 2018
    DOI: 10.11648/j.ogce.20180606.14
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    Abstract: Reflection tomography on the base of common image gathers (CIGs) in offset domain or angle domain is the powerful and mostly used tool for velocity inversion. There are many factors that affect the accuracy and resolution of reflection tomography, in which RMO picking is a quite important one that can’t be ignored. Residual moveout Auto Picking on ... Show More
  • Research & Prospect on Technical Essentials and Benefits of Input-Output of Alkali Surfactant Polymer

    Zhang Qingsheng, Yang Haiyan, Zhou Xiya, Sun Xiaobao, Xiao Zuowei, Li Yuqi, Zhou Xianjun, Liu Qingmei

    Issue: Volume 6, Issue 6, November 2018
    Pages: 159-163
    Received: 12 August 2018
    Accepted: 8 October 2018
    Published: 7 November 2018
    DOI: 10.11648/j.ogce.20180606.15
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    Abstract: In its 60 years’ development, Daqing oilfield has come to the later developing phrase of high water cut after going through the primary flowing production and secondary water flooding production, and faces a quite severe quandary. As the most important tertiary oil recovery technologies to increase crude oil production, the Alkali Surfactant Polyme... Show More
  • Qualitative Discuss on Well Test Curve Uncertainty Analysis in Remaining oil Evaluation of Thick Bottom Reservoir

    Ren Chaoqun, Li Wenhong, Xue Guoqing, Chen Xin, Lin Ruimin, Zhang Peng, Wang Mingwei

    Issue: Volume 6, Issue 6, November 2018
    Pages: 164-170
    Received: 31 July 2018
    Accepted: 18 October 2018
    Published: 9 November 2018
    DOI: 10.11648/j.ogce.20180606.16
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    Abstract: In directional wells of thick bottom water reservoir, partial perforation is usually applied to prevent rapid coning of bottom water. Because of the existence of interlayers, water driving conditions and remaining oil distribution become complex. In partially perforated wells in the survey area oil saturation of lower unperforated section can’t be ... Show More
  • An Equation for the Adsorption Under Variable Temperature and Pressure Condition

    Li Dong, Hao Jingyuan, Ma Qinghua, Zhang Xuemei

    Issue: Volume 6, Issue 6, November 2018
    Pages: 171-176
    Received: 9 October 2018
    Accepted: 21 November 2018
    Published: 19 December 2018
    DOI: 10.11648/j.ogce.20180606.17
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    Abstract: A temperature-pressure-adsorption equation (TPAE) has been introduced to treat accurately the adsorption under variable temperature and pressure of 4 coal seams with different ranks. The TPAE has four parameters, two parameters (A, B) relate the testing coal properties, one parameter ∆ relates temperature influence, one parameter β relate to pressu... Show More
  • The Mathematical Analysis of Temperature-Pressure-Adsorption Data of Deep Shale Gas

    Hao Jingyuan, Li Dong, Zhang Xuemei, Ma Qinghua

    Issue: Volume 6, Issue 6, November 2018
    Pages: 177-182
    Received: 9 October 2018
    Accepted: 14 November 2018
    Published: 19 December 2018
    DOI: 10.11648/j.ogce.20180606.18
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    Abstract: Coal is a porous medium and natural adsorbent with well-developed void system. Coal bed gas is usually defined as a hydrocarbon gas, which is adsorbed mainly on the surface of coal matrix particles, free in coal pores or dissolved in coal seam water. The adsorption amount of solid to gas is a function of temperature and gas pressure. Adsorption of ... Show More
  • Development and Application of High Thermostable Elasto-Toughness Latex Cement Slurry System for Ultra-deep Gas Wells

    Guangguo Yang, Peiqing Lu, Xiaoyu Du, Yuan Gao, Laiyu Sang

    Issue: Volume 6, Issue 6, November 2018
    Pages: 183-189
    Received: 1 November 2018
    Accepted: 30 November 2018
    Published: 19 December 2018
    DOI: 10.11648/j.ogce.20180606.19
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    Abstract: To solve the challenges in the cementing of ultra-deep high-temperature and high-pressure (HTHP) gas wells, a latex cement slurry system with good high thermostable anti-gas channeling and elasto-toughness performances was developed, which uses the styrene-butadiene latex DC200 to enhance the anti-channeling performance of cement slurry and reduce ... Show More
  • The Research of Bohai Sea-Based Annulus Protection Fluid

    Ren Yi, Lu Yuan, Zhang Mao, Cheng Yan, Sun Jixing, Wang Zhongguang

    Issue: Volume 6, Issue 6, November 2018
    Pages: 190-195
    Received: 8 November 2018
    Accepted: 4 December 2018
    Published: 26 December 2018
    DOI: 10.11648/j.ogce.20180606.20
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    Abstract: The advantages and disadvantages of oil-based and freshwater-based annulus protection fluids were compared. According to the characteristics of freshwater shortage on offshore platforms, the quality of Bohai sea water was analyzed in detail. The sterilization effect of various fungicides was evaluated by extinction dilution method in the laboratory... Show More
  • The Study of Sedimentary Facies in Daqing Oilfield from the Perspective of Science of Science

    Jiang Qikai, Ji Ning

    Issue: Volume 6, Issue 6, November 2018
    Pages: 196-200
    Received: 8 November 2018
    Accepted: 13 December 2018
    Published: 14 January 2019
    DOI: 10.11648/j.ogce.20180606.21
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    Abstract: The sedimentary facies research in Daqing oilfield has gone through a process of generating ideas, conducting research, and achieving results, the achievements of which have been widely applied in oilfield production1. The research is a very typical case in the history of petroleum science and technology with strong science of science significance,... Show More
  • Experimental and Theoretical Characterization of Sand-Carrying by Heavy Oil-Flow in a Horizontal Wellbore

    Hong Gao, Zhiming Wang, Xiaoqiu Wang, Dongying Wang

    Issue: Volume 6, Issue 6, November 2018
    Pages: 201-213
    Received: 13 November 2018
    Accepted: 4 December 2018
    Published: 18 January 2019
    DOI: 10.11648/j.ogce.20180606.22
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    Abstract: The world's heavy oil reserves are very large. With the wide application of heavy oil cold recovery technology, the problem of blockage in oil well caused by the deposition of sand in the wellbore is becoming more and more serious. Therefore, it is very important to study the deposition and migration of sand in the wellbore. Based on indoor full-si... Show More