Volume 32 Issue 3
Jul.  2015
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ZOU Dapeng. Drilling Fluid Technology for Well SN-2 in Kurdish Oilfield[J]. DRILLING FLUID & COMPLETION FLUID, 2015, 32(3): 51-54. doi: 10.3969/j.issn.1001-5620.2015.03.014
Citation: ZOU Dapeng. Drilling Fluid Technology for Well SN-2 in Kurdish Oilfield[J]. DRILLING FLUID & COMPLETION FLUID, 2015, 32(3): 51-54. doi: 10.3969/j.issn.1001-5620.2015.03.014

Drilling Fluid Technology for Well SN-2 in Kurdish Oilfield

doi: 10.3969/j.issn.1001-5620.2015.03.014
  • Received Date: 2015-01-18
  • Publish Date: 2015-05-31
  • Lost circulation borehole collapse and pipe sticking were encountered in the Kurdish Oilfield, leading to prolonged drilling time and high drilling cost. Hydrogen sulfide in the reservoir formations poses threats to human life. The Well SN-2 was drilled with drilling fluid optimized for each interval to solve the problems mentioned above. A 2.2 g/cm3 undersaturated saltwater drilling fluid was used to drill the salt and gypsum formations and to deal with hydrogen sulfide. Time spent drilling the Well SN-2 was 65 days less than the adjacent wells.

     

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