2014年4月1日 · The mechanical properties of conductor in two conditions were analyzed, including Cam Activated Drilling Ahead (CADA) tool releasing stage and surface casing cementing stage, and the soaking time windows of the two stages were designed.

2022年4月28日 · The CADA allows you to jet in surface pipe and drill out without making an additional trip out of the hole. The 36" relies on skin tension to stay in place, and after observation from the ROV the...

2020年5月8日 · Drilling wells offshore, from a floating vessel, requires special equipment and procedures.

2022年9月22日 · The main function of the CADA tool is to bring the conductor to the sea surface for jetting drilling and unlock after jetting for secondary drilling. The character of this tool is that the primary drilling and the secondary drilling can be completed at one time of lowering the string, saving one time of lowering the string.

2022年6月20日 · 介绍了 cada 工具的结构组成和作业原理 。 针对 CADA 工具在服役过程中的作业流程与所受载荷 ， 对 CADA 关键部件的力学特性进行数值模拟分析和参数敏感性讨论 。

More than 12 hours per well on average in CADA tool releasing stage and 24 hours per well on average in surface casing cementing stage were saved. Key words: deepwater drilling; conductor;...

2024年10月1日 · The experimental apparatus included a CADA tool, conductor casing, drilling rods, stabilizing subs, drilling rig, mud pump, and a comprehensive array of measurement sensors. These components were designed to simulate actual seabed conditions and the jetting installation process to ensure the accuracy and reliability of the data acquired during ...

深水表层连续钻进送入工具(Cam Actuated Drill-Ahead,CADA)是表层导管喷射安装过程中的核心工具,其安全可靠性对于确保深水导管喷射安装顺利进行具有重要意义.介绍了CADA工具的结构组成和作业原理.针对CADA工具在服役过程中的作业流程与所受载荷,对CADA关键部件的 ...

2024年10月12日 · The CADA tool enabled continuous drilling, and the CAN ensured safe conductor landing without waiting for soil consolidation. A pilot hole was drilled 50 meters from the CAN to confirm jetting feasibility.

According to the drilling construction sequence, the deep-water drilling can be divided into four key operation stages: the jetting down stage of surface conductor, the stage of the surface conductor jetting to the designed place and releasing the CADA tool, the cementing stage when the secondary casing is setting on the wellhead, the intallatio...