随着油气田勘探开发向深层和新领域的不断扩展，深层成为建产重点，深井超深

随着油气田勘探开发向深层和新领域的不断扩展，深层成为建产重点，深井超深井成为建井的主要形式，钻完井工程面临的深井复杂井不断增多，固井技术面临的挑战高温、高压、气窜、漏失以及地层压力体系复杂导致固井质量差、环空带压等诸多问题，对高温高压油气井固井提出了更高的要求。采用高温高密度水泥浆体系，用于国内、国际市场的复杂地层井及页岩气井等非常规油气藏固井技术服务，有效解决了高压油气井固井难题，成为高温高压油气井固井关键技术之一。<br>渤海钻探通过对高密度水泥浆固相颗粒堆积理论的实验分析，建立起三级颗粒的紧密堆积，设计出高密度水泥浆固相材料的粒度分布，优选出了与G级水泥匹配的国产加重剂、硅粉和微硅，自主研发出BH-HTC高温高密度水泥浆体系，有效地解决了高密度水泥浆密度流变性、沉降稳定性、稠化敏感性之间无法调节和混拌不均的世界级技术难题。

随着油气田勘探开发向深层和新领域的不断扩展，深层成为建产重点，深井超深井成为建井的主要形式，钻完井工程面临的深井复杂井不断增多，固井技术面临的挑战高温、高压、气窜、漏失以及地层压力体系复杂导致固井质量差、环空带压等诸多问题，对高温高压油气井固井提出了更高的要求。 采用高温高密度水泥浆体系，用于国内、国际市场的复杂地层井及页岩气井等非常规油气藏固井技术服务，有效解决了高压油气井固井难题，成为高温高压油气井固井关键技术之一。<br>渤海钻探通过对高密度水泥浆固相颗粒堆积理论的实验分析，建立起三级颗粒的紧密堆积，设计出高密度水泥浆固相材料的粒度分布，优选出了与G级水泥匹配的国产加重剂、硅粉和微硅，自主研发出BH-HTC高温高密度水泥浆体系，有效地解决了高密度水泥浆密度流变性、沉降稳定性、稠化敏感性之间无法调节和混拌不均的世界级技术难题。

With the continuous expansion of oil and gas exploration and development to the deep and new fields, deep wells become the focus of production construction, deep wells and ultra deep wells become the main form of well construction, drilling and completion projects are facing more and more complex deep wells, cementing technology is facing challenges, such as high temperature, high pressure, gas channeling, leakage and complex formation pressure system, resulting in poor cementing quality and annulus pressure Higher requirements are put forward for cementing of pressure oil and gas wells. High temperature and high density cement slurry system is used for cementing unconventional oil and gas reservoirs such as complex formation wells and shale gas wells in domestic and international markets, which effectively solves the cementing problems of high-pressure oil and gas wells, and becomes one of the key cementing technologies for high-temperature and high-pressure oil and gas wells.<br>Based on the experimental analysis of solid particle accumulation theory of high-density cement slurry, Bohai Drilling Company established three-level particle close packing, designed the particle size distribution of high-density cement slurry solid material, optimized domestic weighting agent, silica fume and micro silica matched with grade g cement, independently developed bh-htc high-temperature high-density cement slurry system, effectively solved the density rheology of high-density cement slurry It is a world-class technical problem that the properties, sedimentation stability and thickening sensitivity cannot be adjusted and mixed unevenly.<br>