Flat-time operations are essential to the well construction process in the oil and gas drilling operation. However, the technical time limit (to construct the well as fast as possible for a certain set of conditions) for a well is not always achieved, which leads to increased operating costs. By reducing flat time, the cost of the well can be reduced. The safe handling of the Blowout Preventer (BOP) is one of the basic operations during the flat time period to ensure control of the well during drilling. Therefore, an example case study has been conducted using 14 wells drilled in Malaysia to determine the significance of BOP flat time versus total flat time. Findings of present study clarifies that BOP flat time has a significant impact on the total flat time. Therefore, if the BOP flat time as a total time is reduced, the cost of a well will decrease considerably. Additional research was conducted to analyze BOP flat time using 32 wells drilled in Malaysia for benchmarking purposes. The times for each BOP activity were recorded and a statistical analysis was performed. Mean times for each activity were calculated and outliers were examined. The target time for nippling up (when the BOP is installed onto the wellhead) BOP is 8 hours. The target time for nippling down BOP (BOP is removed from the wellhead) is 6 hours. The target time to change the BOP rams is 2 hours. The target time for the pressure test change out of BOP rams is 1.5 hours. The target duration of the BOP pressure test is 6 hours. Based on the results of the statistical analysis, the factors affecting the BOP flat time were dependent on rig procedure, rig facilities, BOP configuration, BOP pressure rating, and BOP connection type.

在石油和天然气钻井作业中，平时作业对于油井建造过程至关重要。然而，并不总是达到井的技术时间限制（在一定条件下尽可能快地建造井），这导致操作成本增加。通过减少平坦时间，可以降低井的成本。在固定时间内，安全处理防喷器（BOP）是基本操作之一，以确保在钻井过程中对井进行控制。因此，已经使用马来西亚的14口井进行了案例研究，以确定BOP固定时间与总固定时间之间的关系。本研究的结果表明，国际收支平衡时间对总平衡时间有重大影响。因此，如果减少BOP固定时间作为总时间，一口井的成本将大大降低。为了进行基准测试，还使用在马来西亚钻探的32口井进行了额外的研究，以分析国际收支平衡时间。记录每个BOP活动的时间，并进行统计分析。计算每种活动的平均时间并检查异常值。清理的目标时间（将防喷器安装到井口时）为8个小时。压下防喷器（防喷器已从井口移除）的目标时间为6小时。更换BOP撞锤的目标时间为2小时。从BOP滑枕上进行压力测试更改的目标时间为1.5小时。BOP压力测试的目标持续时间为6小时。根据统计分析结果，影响BOP停工时间的因素取决于钻机程序，钻机设施，BOP配置，