加砂压裂压力分析及应用。
加砂压裂是川西致密气层普遍采用的改造技术措施；
Sand fracturing is the major stimulation measure in Western Sichuan tight sandstone gas reservoir.
由于施工井口压力高，常规加砂压裂工艺无法实施作业。
For high well head pressure, the operation of conventional adding sand fracture treatment tech can not fulfilled.
经过效果分析及评价，认为酸压裂如加砂压裂优于基岩酸化。
Through effect analysing and evaluating, the acid and sand fracturings are considered to be better than bed rock aciding.
在研究分析低效及无效原因的基础上，研究出二次加砂压裂工艺。
The article based on the research and analysis causing ineffective and low-effective, and conducted the process of second sand filling fracturing.
采用多级阶梯加砂压裂技术，使裂缝充填合理，同时保证压裂施工成功。
It makes fissure occupation in reason and at the same time guarantee the construction success by using multistage ladder sand-franc technique.
酸化与加砂压裂协同作业工艺技术，是近年来针对低渗透等复杂油气藏所开展的热门新技术。
Aeidization and sand fracturing cooperation operation technology is a hot spot of new technologies developed for complicated hydrocarbon reservoir with low permeability.
蓬莱镇组气藏是川西北地区新场气田成组气藏中的主力气藏，加砂压裂改造储层取得重大进展。
Gas reservoirs situated in Penglaizhen sector are major ones in northwest area, reservoir improvements make significant development by sand fracturing.
通过实验对前置酸加砂压裂配套液体体系进行性能评价，优化并完善了本工艺技术工作液体系。
Through laboratory experiments, evaluated the relevant fluid system, optimized and improved the working fluid system of the Pad-Acid-Hydraulic Fracturing technology.
目前国内外储层改造界均在积极探索碳酸盐岩储层加砂压裂改造技术，但尚无成熟的经验可供借鉴。
The tech of adding sand fracture treatment in carbonate reservoir is on the process of exploring in domestic and abroad which has not rich experience for reference.
另一方面，大型加砂压裂作业有效，需有机地匹配和优化储层、压裂液和工艺，并系统地控制压裂质量。
On the other hand, the effective large-scale sand fracturing requires optimum reservoir formation, fracturing fluid and techniques, and systematic control of the fracturing quality.
文章介绍了超正压射孔与加砂压裂联作的工艺技术原理、技术特点、工艺流程，以及该联作技术在白马庙气田的应用。
The article introduces the principle, features and procedures of joint operation techniques of overpressure perforating and sand fracturing, and its application in Baimamiao gas field.
通过本文研究，为砂岩储层的前置酸加砂压裂增产技术提供有效的酸液体系，进一步提高砂岩储层压裂增产改造效果。
Through this research, provided an effective acid system for Pad-acid-hydraulic fracturing technology that can further enhance the effect of production growth of sandstone reservoirs.
从而实现了一次加砂处理同一卡距内的2个及以上目的层，提高了压裂层段改造强度。
It realizes one sand fracturing for 2 and more target formations in a same distance, increasing the stimulation strength of the fractured interval.
通过不断自动调整各段防砂液体积、地面加砂浓度、支撑剂类型和粒径等，设计出压裂施工程序。
Through continuous automatical adjustion of the paragraphs fluid volume, ground sand concentration, proppant type and size and so on, the software finally designs fracturing process.
通过不断自动调整各段防砂液体积、地面加砂浓度、支撑剂类型和粒径等，设计出压裂施工程序。
Through continuous automatical adjustion of the paragraphs fluid volume, ground sand concentration, proppant type and size and so on, the software finally designs fracturing process.
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