The water plugging effect of the heavy oil thermal recovery horizontal well in Henan Oilfield is good

News from China Petrochemical News "Comparing the production curves of the heavy oil thermal recovery well Chun 1II1-3-8H in the Chunguang Oilfield before and after the measures, it can be seen that the application of water shutoff technology effectively inhibits the water channeling of the lower water and increases the oil production.
The effect of the measures is obvious
.
” Recently, Zhao Changxi, the leader of the heavy oil thermal recovery horizontal well water plugging technology project team of Henan Oilfield Engineering Institute, said

In response to the serious problem of water channeling in horizontal wells of heavy oil thermal recovery in different blocks of Henan Oilfield, the Henan Oilfield Engineering Institute has developed dual-parameter dynamic multi-point water search, thin permeability barrier plugging, low-density high-strength plugging, and high-temperature resistant gel.
Key water-seeking technology technologies such as plugging agent plugging and expandable particle plugging, realize accurate identification of the water outlet section of horizontal wells, effective plugging of different water channeling positions, delay the water channeling speed of heavy oil horizontal wells, and enhance the thermal water production of heavy oil Hirai development effect
.

Up to now, the technology has been applied in 195 well times, accumulatively increasing the oil by 23,000 tons, and the oil-gas ratio has increased by 23.
8%
.
The technicians have declared 5 national invention patents, and two of them have been authorized

(Qiao Qingfang and Cheng Hongxiao)