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A new addition to the 1000-ton family in Changqing Oilfield

A new addition to the 1000-ton family in Changqing Oilfield

(Summary description)China Petroleum net news(reporter Yang Wenli correspondent Li Peng)on September 7,with a daily crude oil output of 1023 tons as the symbol,changqing oilfield oil production plant 7 huanjiang area in Huanjiang area,Gansu province,for the oil field daily kiloton family to add another new ding.This is changqing oilfield this year built the fourth kiloton level of the operating area.Up to now,there are 26 kiloton operating areas in Changqing Oilfield.

A new addition to the 1000-ton family in Changqing Oilfield

(Summary description)China Petroleum net news(reporter Yang Wenli correspondent Li Peng)on September 7,with a daily crude oil output of 1023 tons as the symbol,changqing oilfield oil production plant 7 huanjiang area in Huanjiang area,Gansu province,for the oil field daily kiloton family to add another new ding.This is changqing oilfield this year built the fourth kiloton level of the operating area.Up to now,there are 26 kiloton operating areas in Changqing Oilfield.

Information
China Petroleum net news(reporter Yang Wenli correspondent Li Peng)on September 7,with a daily crude oil output of 1023 tons as the symbol,changqing oilfield oil production plant 7 huanjiang area in Huanjiang area,Gansu province,for the oil field daily kiloton family to add another new ding.This is changqing oilfield this year built the fourth kiloton level of the operating area.Up to now,there are 26 kiloton operating areas in Changqing Oilfield.
After a systematic understanding of the ultra-low permeability reservoir in this area,changqing Oil Field No.7 oil Production Plant began to target the huanjiang area for oil production in 2008.For several years,the daily crude oil production in huanjiang operation area has reached more than 900 tons at one time,but due to the special formation environment,each well cannot get away from the trouble that"the day of production is the day of production reduction".
To the plight of the crude oil production,huanjiang areas combined with water cut rising fast,severe fouling in wellbore,wax,difficult problems,such as system,the author analyzes the reasons of oil field rapidly diminishing,on the one hand,through"note enough water and enough water injection"thoroughly solve the problem of owe note,increase formation energy,ensure formation pressure increased by 4%,the production decline rate reduced to 18.7%from 11.5%;On the other hand,measures have been taken to strengthen old Wells.Through fracturing and acidification,measures have been taken to 51 Wells successively,resulting in an increase of 53 tons of crude oil per day and a total increase of 4,868 tons this year.Especially after horizontal well sand washing treatment was carried out in Huping well 5-16,the daily output increased from 1 ton to 6.5 tons.
On the basis of the measures to stabilize the production and increase the yield of the old Wells,the geological research on the developed reservoirs in huanjiang operation area was intensified,and the data of the developed Wells were compared and analyzed,a new horizon was found,and the high yield was obtained.The huanjiang operation area adheres to the idea of quality production,technology production and safety production,and precisely distributes Wells.52 Wells have been put into production in the newly discovered horizon,and the newly put into production Wells have added 249.3 tons of oil per day.

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