Volume 32 Issue 6
Nov.  2015
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DUAN Zehui, LI Weiping, MENG Wenbo, LI Zhujun, ZHANG Chong, HU Yixu. Analysis of Causes of Reservoir Damage in Lingshui 17-2 Gas Field and Selection of Test Fluid for Reservoir Protectionin Deep Water Area[J]. DRILLING FLUID & COMPLETION FLUID, 2015, 32(6): 39-42. doi: 10.3969/j.issn.1001-5620.2015.06.010
Citation: DUAN Zehui, LI Weiping, MENG Wenbo, LI Zhujun, ZHANG Chong, HU Yixu. Analysis of Causes of Reservoir Damage in Lingshui 17-2 Gas Field and Selection of Test Fluid for Reservoir Protectionin Deep Water Area[J]. DRILLING FLUID & COMPLETION FLUID, 2015, 32(6): 39-42. doi: 10.3969/j.issn.1001-5620.2015.06.010

Analysis of Causes of Reservoir Damage in Lingshui 17-2 Gas Field and Selection of Test Fluid for Reservoir Protectionin Deep Water Area

doi: 10.3969/j.issn.1001-5620.2015.06.010
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  • Corresponding author: 李蔚萍,电话(0716)8329792
  • Received Date: 2015-08-09
  • Publish Date: 2015-11-30
  • Lingshui 17-2 gas field in the deep water area in South China Sea has reservoir formations that are controlled by these parameters:formation pressure coefficient 1.19, average porosity 31.5%, range of permeability 0.08×103 μm2-2.512×103 μm2, averaged at 633×103 μm2, and clay content 16.1%.The porosity has regular relation with permeability, and the clay is sensitive to salt contamination and water flow.When transfer an exploration well to a production well, the test fluid to be used shall satisfy these needs such as balancing the formation pressures, inhibiting the generation of gas hydrates, and protecting reservoirs.A test fluid formulated with "aquo complex" was used in the gas field, giving gas production of 1.60×106 m3/d, and skin factor as low as 0.2.

     

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