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The review of two wide-area electromagnetic exploration projects in the Yuxi block of the Geophysical Exploration Institute has been successfully completed.
From March 19 to 20, the trial results of the “Wide-Area Electromagnetic Survey Project for Well Areas Zu 201–Zu 203 in the Western Chongqing Block of the Sichuan Basin,” undertaken by the Geophysical Exploration Institute, and the results of the “Wide-Area Electromagnetic Survey Project on Electrical Property Variations from Longmaxi to Wufeng Formation in the Qitangchang Syncline of the Western Chongqing Block” were successfully reviewed. Experts from units including the Southwest Oil & Gas Field Branch of China National Petroleum Corporation, the Gas Field Development Management Department, and Chongqing Shale Gas Company participated in the review.
The expert panel visited the project site of the “Wide-Field Electromagnetic Survey in Well Areas Fu201-Fu203, Western Chongqing Block, Sichuan Basin,” where they inspected the wide-field electromagnetic instrument transmitting stations, receiving devices, and supporting equipment. They also listened carefully to a detailed briefing on the acquisition parameters and data processing and interpretation procedures for the wide-field electromagnetic method. The expert panel expressed full affirmation of the project’s pilot tests and put forward refined requirements for the next phase of work in key areas.
The expert panel visited the “Wide-Area Electromagnetic Survey Project for Electrical Property Variations in the Longmaxi–Wufeng Formation of the Qitang Anticline in the Western Chongqing Area.” Based on integrated results from well logging, geological studies, and other sources, the panel acknowledged the technical support provided by the wide-area electromagnetic method in selecting the target area and setting up survey platforms for the Qitang Anticline. The panel confirmed that all task indicators stipulated in the contract have been completed and agreed to accept the project.
The expert panel put forward the following requirements for the next phase of work: further refine and deepen research on the precise identification of faults in complex structural zones, the prediction of reservoir gas content, and the patterns of resistivity variations, so as to elevate the results to a new level and better serve shale gas production.
Executive Producer | Zhang Guangda
Reviewed by | Zou Zhongping
Editor-in-charge | Zhou Huiying
Text | Yin Xuebo
Figure | Zhao Yi
Editor | Wen Han
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