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Utilizing wide-area fracturing monitoring technology to support shale gas platform production and construction—An expert team from the Geophysical Exploration Institute conducts a research visit to the wide-area fracturing monitoring project.
From July 18 to 19, 2022, a team of eight experts from the Geophysical Exploration Institute of the Provincial Natural Resources Group conducted on-site research and guidance at the fracture monitoring project.
This fracturing monitoring project in the Changning block represents the second-generation upgraded version of fracturing technology, developed through collaboration between the Institute of Geophysical Exploration and Hunan Jishan High-Tech Co., Ltd. The expert team visited three platforms—Well Ning209H47, Well H9, and Well Yi207—to inspect equipment including 48-channel receivers and monitoring transmitters.
After inquiring about the power supply parameters—such as the transmission frequency and waveform—used for the target strata in the current monitoring wells, the expert panel examined the monitoring results maps.
Since the Institute of Geophysical Exploration began conducting fracture monitoring four years ago, it has completed fracture electromagnetic monitoring tasks for more than 30 shale gas wells. By leveraging wide-area fracture monitoring technology, the institute has achieved a series of remarkable results in supporting the production and construction of shale gas platforms.
The expert panel conducted an on-site visit to the fracturing production platform currently under construction and examined the connections along the wellhead pipelines.
The project team provided a detailed report on the achievements made in 2022 from the fracture monitoring work carried out in the Changning area.
After hearing the report, the expert panel put forward three requirements for the project team:
First, continue to carry out field data collection work in accordance with established standards. Employ appropriate monitoring parameters to ensure the quality of field monitoring data and obtain reliable, firsthand raw data.
Second, we must strengthen the post-processing and interpretation of data. We need to continuously enhance the back-end processing of raw data, cloud computing, and data interpretation efforts. We should intensify the analysis of results—particularly those related to the pathways of fracturing fluids, the direction of fracture propagation, natural fractures in target formations, and the impact of fault zones and fractured zones on fracturing effectiveness—and promptly report our findings to the fracturing production command center. We should strive to carry out these analyses concurrently and in parallel, providing technical reference materials for shale gas fracturing operations and better supporting fracturing work.
Third, we must make every effort to ensure the safety of project construction and production. As we are currently in the summer’s high-temperature and flood season, the project team must diligently carry out safety measures—including epidemic prevention, heatstroke prevention, flood control, lightning protection, and prevention of geological hazards—to guarantee the safety of project personnel, equipment, and operations.
Executive Producer | Zhang Guangda
Reviewed by | Zou Zhongping
Editor-in-charge | Zhou Huiying
Text | Xie Mingxi, Wang Qiang
Figure | Jia Jianchao, Xie Mingxi, Wang Qiang
Editor | Wen Han
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