Second Drilling Engineering Company of BHDC

Langfang, China

Second Drilling Engineering Company of BHDC

Langfang, China

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Liu H.,Second Drilling Engineering Company of BHDC | Liang C.,Second Drilling Engineering Company of BHDC | Zhong D.,Second Drilling Engineering Company of BHDC | Li H.,Second Drilling Engineering Company of BHDC | And 2 more authors.
Drilling Fluid and Completion Fluid | Year: 2011

A polyamine low solids high performance water base drilling fluid is developed to solve the drilling difficulties in Erlian oil field, such as low ROP, wellbore instability and formation damage. This drilling fluid has good characteristics of inhibiting and sealing, percent ratio of permeability recovery is over 85%. The application in Well Hong69 gives the satisfactory results that there is no caving and the diameter enlargement rate is less than 5%. Compared with offset wells, the ROP is doubled and the density of drilling fluid is much lower.

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