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在钻井施工过程中,钻具在裸眼中的运动及钻头与地层相互作用所产生的振动对井下钻具会产生潜在的危害。振动是不可避免的,剧烈的井下振动是具有破坏性的。DDS是随钻导向中的振动监测传感器,通过DDS对钻进状态的监控,我们可以判断发生振动的原因和推荐矫正施工的方法,及时并有效地避免了井下事故的发生,同时延长了随钻仪器、马达、钻头等井下钻具的使用寿命,提高了钻进效率。SW8P1井是吉林省十屋油田SW8区块的第一口重点水平开发井,根据该井的特点,在该井的地质导向施工钻进过程中除使用常规LWD(随钻测井仪器)外,还成功应用了随钻DDS(振动传感器)技术,应用该技术,很好地避免了井下复杂事故的发生,保证了钻进施工的顺利进行,SW8P1井的成功完钻,为胜利定向井公司在吉林油田SW8区块进行定向施工提供了科学依据。
During the drilling process, the vibration of the drilling tool in the naked eye and the interaction between the drill bit and the formation can potentially harm the downhole drilling tool. Vibrations are inevitable, and violent downhole vibrations are destructive. DDS is the vibration monitoring sensor while drilling. By monitoring the drilling status by DDS, we can determine the cause of vibration and recommend the method of corrective construction, which can avoid the downhole accident timely and effectively, Instruments, motors, drills and other underground drilling tool life, improve drilling efficiency. Well SW8P1 is the first key development well in SW8 block of Shiwu Oilfield in Jilin Province. According to the characteristics of this well, except for the use of conventional LWD (logging-while-drilling tool) during geosteering construction drilling of this well, The DDS (Vibration Sensor While Drilling) technology has also been successfully applied. With the application of this technology, the occurrence of complex accidents in the well is well avoided and the successful drilling operation is completed. The successful drilling of the SW8P1 well completes the successful drilling of the well- Jilin Oilfield SW8 blocks for directional construction provides a scientific basis.