埕北３０B－１井是胜利油田浅海地区的一口开发井，由海洋钻井公司承钻。该井在钻至太古界片麻岩段时，发现良好油气显示，海洋钻井公司当机立断，不失时机地决定进行中途测试。井下测试大队采用了裸眼支撑测试技术，成功地将BT双封隔器座封在３３９３．６１m和３３９５．３９m Tiebei 30B-1 well is a development well in the shallow sea area of ​​Shengli Oilfield, which is drilled by a marine drilling company. The well, which was drilled into the Archean gneiss block, found that good oil and gas showed that the offshore drilling company was decisive and decided without delay the mid-range test. Underground test brigade used naked eye support test technology, the successful BT double packer seated at 3393.61m and 3395.39m