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Sinopec News Network News on August 30, with the successful completion of the fourth stage fracturing transformation of Li 93-Xiao 29 well, it marked the complete success of the fracturing transformation of six wells of the Li 93 well factory in Shengli Oilfield
.
The Li 93 block is located in the western section of the steep slope belt in the northern part of the Dongying Sag.
The target layer is many and the span is large
.
The perforation section is optimized according to the drilling and logging conditions, and the bridge plug perforation is used as a staged fracturing technology to improve the fracturing effect and construction efficiency
The Downhole Fracturing Engineering Department of Shengli Project, which undertook the construction, continued to optimize the fracturing construction mode of the well factory, connecting 6 fracturing wells at a time, and realizing the fluidized fracturing of the well group by opening and closing the gates, which greatly shortened the construction period
.
In order to ensure the continuous use of the liquid supply, the continuous mixing process is adopted, which is simpler and easier to operate than the traditional instant guar gum online mixing mode.
The viscosity can be changed in real time, the construction friction is low, the sand carrying effect is excellent, the temperature resistance performance is good, and the glue is broken completely , The equipment is easy to configure, the process is simple, and the requirement on the well site is small.
The fracturing tank only needs to store water, and there is no hidden danger of fracturing fluid leakage and pollution
.
During the construction period, the cadres and employees strictly controlled the quality of each process, implemented various requirements such as process technology, safety and environmental protection, and continued to increase the speed and efficiency improvement.
Since the beginning of this year, Shengli Engineering’s downhole fracturing project aims to improve the quality, speed and efficiency of the demonstration project, and has successively organized and implemented well factory fracturing projects in the Bin 450, Li 38, and Gudong 281 blocks.
The exploration and development of mobilized reserves provide high-quality and efficient construction service guarantee
.
(Peng Zhen)
