China Petroleum Network News (correspondent Li Tao Li Yang) July 12th, Xinjiang Fengcheng oilfield operation District 18 FHW3063P well area to throughput measures, from the production side wells successfully injected into the 13.6 tons of high temperature tube dispersing agent. This is the first export operation area of Fengcheng oilfield SAGD composite well stimulation measures.
This process is suitable for Fengcheng oilfield oil characteristics of high temperature composite dispersing agent into the pit, then use steam to increase dissolution and dispersion speed, accelerating the improvement of oil discharge ability between wells. Then the nitrogen and steam injection steam chamber, using nitrogen density characteristics of small, poor heat conduction, the distribution in the interlayer below, reduce the heat loss of steam, the steam chamber prompted accelerate bypass dissection, improve development speed and development effect. This technology can effectively improve inter well oil drain capacity, speed up steam chamber expansion, comprehensively improve production status of well group, and raise oil production level of single well.
In the implementation of the measures, the operation area actively optimize measures, parameters, construction processes and dynamic control measures after measures to ensure safety and efficient completion of measures.
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