完整的论文回顾了泥浆冷却和控压钻井 (MPD) 系统在高压/高温 (HP/HT) 井中的成功应用，以探索具有压力斜坡的中生代碳酸盐岩平台的潜力以及尼罗河三角洲的窄泥重窗口（NMWW）。MPD 的恒定井底压力（CBHP）变化与泥浆冷却相结合，用于从压力斜坡中部钻至目标深度，将泥浆入口温度保持在约 50°C。
T-1井的主要目标是中生代碳酸盐台地边缘。这些碳酸盐岩预计将是高能浅海沉积物，具有良好的储层特性（20-50% 净总孔隙度，5-10% 孔隙度）。次要目标是渐新世的浑浊砂岩河道。这些砂岩预计孔隙度为 9-20%，渗透率为 50-300 md。
潜在的中新世中晚期地质灾害包括与损失、冲击和钻孔退化相关的压力升高，包括小孔、超拉和洞穴；并报告卡住和挂断事件。
The complete paper reviews the successful application of a mud-cooling and managed-pressure-drilling (MPD) system in a high-pressure/high-temperature (HP/HT) well to explore the potential of the Mesozoic carbonate platform with a pressure ramp and narrow mud-weight window (NMWW) in the Nile Delta. The constant bottomhole pressure (CBHP) variation of MPD in combination with mud cooling was used to drill from the middle of the pressure ramp to the target depth, maintaining the mud-inlet temperature at approximately 50°C.
The primary objective of Well T-1 is the edge of a Mesozoic carbonate platform. These carbonates are expected to be high-energy shallow marine deposits with fair reservoir properties (20–50% net‑to-gross, 5–10% porosity). The secondary objectives are turbiditic sandstone channels of the Oligocene. These sandstones are expected to have 9–20% porosity and 50–300 md permeability.
Potential Middle and Late Miocene geohazards include pressure rampup associated with losses, kicks, and borehole degradation, including tight holes, overpull, and caves; and reported sticking and hangup events.
