Bohai drilling logging company completes the perforation task of CBM well
China Petroleum network news, November 9th, Bohai drilling logging company successfully completed the Tarim Oilfield BCS-22D2 well perforation task, get a high evaluation of Party A.
The depth of BCS-22D2 well is 1080 meters, and the design of cable bridge plug is adopted to do the fracturing construction. This segmentation method is widely used in tight oil, shale gas and other fields, and now in the field of coalbed methane. The feature of the process is that the wellhead connection cable blowout preventer can be used to carry out seat sealing, bridge plug and perforating operation with pressure. It has the characteristics of low cost, less time consumption and high accuracy. In the face of poor permeability and difficult exploitation of the coal seam, the logging company optimized the perforation scheme, using 102 guns and 127 bullets, and the bore diameter and penetration depth indexes are better than the requirements of Party A, and the fracturing construction can maximize the communication layer and improve oil recovery.
The perforating operation Department, which undertakes the construction task, attaches great importance to the Xinjiang project department, and works together to collect the construction well data quickly, complete the equipment preparation, and complete the related tools. All the team members overcame the unfavorable factors such as poor climate in front of the mountain, completed the CBM project with high quality and efficiency, and made contributions to further expand the coal bed gas market in Xinjiang.
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