On February 19, the reporter learned from Sinopec that Sinopec deployed a key pre-exploration well in Qijiang District, ChongqingWell Dingye 11 obtained high-yield shale gas flow in the shale of Wufeng Formation-Longmaxi Formation, with a daily gas production of 20450,000 cubic metersIt means that Sinopec has discovered a new large-scale reserve-rich belt in the Sichuan Basin.
According to reports, the Qijiang shale gas field is the first medium-deep-deep shale gas gas field found in the complex structural area of the basin margin in China. In 2022, Sinopec submitted the first phase of the Dingshan block with proven geological reserves of 14596.8 billion square meters, which is currently under active construction.
Well Dingye 11, which obtained high-yield shale gas this time, is located in the shallow burial zone of complex structure in the basin margin of the Sichuan Basin. The Dingye 11 well is located in an area with a high degree of fault and fracture development and a large dip angle of tectonic strata, and Sinopec Exploration Branch has accurately depicted the high-quality shale "sweet spot" area (i.e., the area where shale gas is rich and easy to develop) through the integration of geology, geophysical prospecting and engineering. At the same time, the fracturing technology explored and formed can effectively form a complex fracture network around the well, and realize the high-yield development of Well Dingye 11.
*:Technology**.
Review: Yu Zaozao.
Editor-in-charge: Huo Yue.
Editor: Hu Na.