Title: GAS DRILLING TECHNOLOGY AND ITS APPLICATION EFFECT IN SICHUAN OIL/GAS FIELD
Abstract:In view of the difficulties of low speed,complex leakage,reservoir damage in Sichuan oil and gas fields,the gas drilling technology has been researched and tested. It has formed four subject technolog...In view of the difficulties of low speed,complex leakage,reservoir damage in Sichuan oil and gas fields,the gas drilling technology has been researched and tested. It has formed four subject technologies of dry air drilling,atomization drilling,foam drilling and aeration drilling,and eight supporting technologies including geological adaptability evaluation,optimization design,underground fluid monitoring and control,air hammer drilling,medium conversion,gas coring,gas drilling horizontal well,dry casing cementing. The equipment and tools of gas drilling have realized localization of manufactures,the dry gas drilling technology has matured and been popularized. The technology has been applied in 192 wells in Sichuan and Xinjiang area since 2008,the average drilling speed is 11.85 meters every hour which is two to twelve times compared with mud drilling,and it has gained the significant effect in finding and protecting reservoir,speeding up the exploration and development process and solving the engineering complex.Read More
Publication Year: 2011
Publication Date: 2011-01-01
Language: en
Type: article
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