SAGD first broken million tons in Liaohe Oilfield
CNPC news reporter learned from Liaohe Oilfield in January 6th that SAGD produced 1 million 60 thousand tons of oil in 2017, and the annual oil production broke through the first million tons mark for the first time, which provided strong support for the oilfield to achieve ten million tons of crude oil stable production.
"SAGD to achieve a million, means that the Liaohe oilfield production of 10 tons of crude oil, 1 tons is the contribution of the SAGD." Yu Tianzhong, the manager of the development and Development Department of Liaohe Oilfield, said. Since it was put into development in 2005, SAGD has been an important weapon for the Liaohe oil field to achieve a steady production of tens of millions of tons, and has maintained a strong momentum. In 2017, the oil field company continued to promote the construction of SAGD production project, which strongly promoted the continuous production of SAGD.
Expand the scale of SAGD. At the beginning of 2017, the company actively carry out from oil well group construction work, through perfect well network, the implementation of overhaul 8 port, 1 port side drilling operation, centralized preheating flooding of 6 well groups, realize the legacy of all transferred to the production of SAGD. At the same time, according to the principle of "well cavity development, perfect well production and good liquid production and good well rotation", the researchers deployed 8 new SAGD well groups in Guantao area, with geological reserves of 2 million 220 thousand tons. SAGD well group Genshenzhimao, help SAGD oil production increased by more than 100 tons, to lay the foundation for pobai.
A hundred tons of SAGD are carefully cultivated. At the end of 2016, the output of 6 SAGD hundred tons of wells was too high and the output declined. In the first half of 2017, Liaohe technical personnel realized the production of SAGD 100 ton wells by increasing steam injection point, adjusting steam injection volume and regulating liquid output. In 2017, the total daily oil production of 13 hundred tons of wells was 1373 tons, up by more than 100 tons in the beginning of the year.
The well set is preheated to strengthen the regulation of injection and production. The connection between steam injection well and production well is not smooth, which hinders the wave and volume of steam cavity after steam injection, which is a stubborn disease affecting the oil discharge capacity of SAGD well. Through continuous injection and production regulation, technicians increase the production volume of 13 well points and adjust production parameters, so as to achieve the overall oil production capacity of SAGD well group increasing day by day.
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