这个数值化的酸岩反应模型可以与酸注入模型进行耦合求解,同时,数值模拟的结果可以直接提交水平井产能模型,进行水平井酸化后产能预测。
The result of simulation can directively be applied for models calculating the productivity of a horizontal well, which can predict the productivity after acidizing treatment.
碳酸盐岩储层在酸化、酸压等增产措施中应该重视酸蚀后敏感性的强化问题,加强实验评价。
The enhancement of the sensitivity of carbonate reservoir during acidization and acid fracturing should be valued and the experiment evaluation should be strengthened.
烃源岩—地层水相互作用生成的有机酸促使烃源岩中矿物、特别是碳酸盐矿物溶解。
The interaction of hydrocarbon source rocks and formation water produces organic acid that can dissolve minerals, especially carbonate minerals.
渤海湾盆地歧口凹陷超压对有机质热演化、有机酸生成和水岩反应具有明显的抑制作用。
The organic matter maturation, organic acid generation and water-rock reaction were retarded by overpressure in the Qikou Sag of the Bohaiwan Basin.
结果表明:研制的酸液体系具有良好的抗温性能,可有效地降低酸液滤失和延缓酸-岩反应速度。
Show as a result: the acid liquid has good temperature-tolerance performance; it also can reduce the filtration efficiently and delay acid - rock reaction speed.
试验证明:温度和转速对酸岩反应的反应级数无影响。
Experiments showed that temperature and rotating rate did not affect reaction indices.
碳水化合物部分由半乳糖、葡糖胺、岩藻糖和唾液酸组成。
The carbohydrate portion is MADE of galactose, glucosamine, fucose and sialic acid.
碳酸盐岩储层通过酸压改造,提高裂缝长度和酸液有效作用距离,是提高酸压措施建产率的关键。
Increase the effective distance between fracture length and acid by acid-fracturing treatment is a key to improve acid-fracturing producing rate for carbonate reservoir.
复杂岩性储层的酸压反应机理、酸压工艺方法不同于常规碳酸盐岩储层,而目前国内外对于复杂岩性储层岩石导流能力认识较少。
The kinetic mechanism of the rock with acid and the fracturing methods of complex lithology, on which people have little knowledge, have much different from common carbonate formations.
近年来碳酸盐岩储层酸压裂推动技术进步的主要因素是能有效地控制酸液的滤失。
In recent years, controlling acid leaking effectively is key factor in improving acid fracturing technology in carbonate reservoir.
压裂酸化,一般简称酸压,已经成为低渗透碳酸盐岩油气藏的主要增产措施。
Fracturing acidizing, commonly called "acid fracturing", has been playing a main role in carbonate gas or oil reservoir stimulation.
针对复杂岩性储层的特点和依据该类储层的改造经验,本文提出了新型乳化酸携砂压裂工艺。
Based on the characteristic of complex lithologic reservoir and the modified experience of the reservoir, sand-propped fracturing technology with novel emulsified acid is put forward.
针对塔里木探区轮南碳酸岩储层非均质性强的特点,根据酸压施工曲线形态,结合测录井资料,可大致判断酸压裂范围内储层的基本情况。
To the heterogeneous property of Lunnan carbonate reservoir in Tarim oilfield, according to shape of operation curve and combining logging data, general situation of fractured reservoir can be judged.
介绍了塔河油田碳酸岩储层的基本概况,酸压管柱结构,酸压液体的配方及酸压效果。
The paper introduces a basic situation, acidding and fracture string structure, matching prescription of acidding and fracture fluid and its effect of carbonate rock reservoir of Tahe oilfield.
通过岩芯驱替实验发现该缓速酸工作液具有打开油流通道,提高地层增产增注的能力。
The core displacement experiment found that the retarded acid working fluid has the capacity of opening the oil flow passage, increasing reservoir production and increasing injection.
酸液和稠油接触后易产生酸渣以及酸化后酸岩二次产物造成的伤害(堵塞地层通道,不能有效增产)等。
Acid and heavy oil contact is easy to produce acid sludge and secondary products and which would make damage (Plug formation channel, Can not effectively increase production) etc.
酸压是碳酸盐岩油气层增产的重要措施之一,广泛的应用于国内外油田。
Acid fracturing is an important stimulation treatment of carbonate reservoir, which has been widely used both at home and abroad.
酸化压裂是低渗透碳酸盐岩地层进行增产改造的一项重要措施,酸液向地层大量滤失受多种因素控制。
The acid fracturing is an important measure which increases the output of the low-permeability carbonate formation. The leaking into reservoir of acid is controlled by many factors.
酸压是碳酸盐岩储层增产的重要措施。
Acid fracturing is an important treatment for the stimulation of the carbonate reservoir.
酸压工艺技术逐渐成为碳酸盐岩油气藏勘探、开发和增储稳产的关键技术之一。
The acid fracturing has gradually become one of the most important stimulation techniques of exploration and development in carbonate reservoir.
本文在水平井酸压工艺及设计方法方面的研究成果,为裂缝性碳酸盐岩储层水平井酸压改造提供了有力技术支持。
The study results of this paper about acid fracturing process and design proposal for horizontal well have siginificantly guidance for the same fractured carbonate reservoirs.
烃源岩的热降解和储层中的烃类热催化裂解,生成有机酸和二氧化碳,引起深层碳酸盐岩发生溶解作用。
Organic acid and CO2, generated from thermal degradation of source rocks and thermo-catalytic cracking of hydrocarbons in reservoirs, destabilized and dissolved the carbonates at depth.
单岩心驱替实验表明:基质渗透率很低的碳酸岩岩心,很难形成深穿透酸蚀蚓孔。
Through single rock test shows that: for carbonate rock with very low permeability, it is hardly can form deep penetrated wormhole.
对该类型碳酸盐岩储层酸压改造有普遍的借鉴价值。
Carbonate reservoirs of the type of acid fracturing a general reference value.
本文完成的主要工作有:1、通过酸化理论分析,确定酸岩反应过程中可能产生的各种沉淀,为酸化液及酸化工艺的研究提供理论依据。
By the analysis of acidizing theory, we make sure the deposition in the reaction between the acid and rocks, to provide proof for the acidizing technics research.
烃源岩是一种富含有机质和各种无机矿物的集合体,而有机酸普遍存在于沉积有机质中,是未熟-低熟原油和烃源岩抽提物的常见组分。
Source rocks are rich in organic and inorganic matter. Organic acids are commonly found in sedimentary organic matter, are common components of immature-low mature oil and source rocks extraction.
烃源岩是一种富含有机质和各种无机矿物的集合体,而有机酸普遍存在于沉积有机质中,是未熟-低熟原油和烃源岩抽提物的常见组分。
Source rocks are rich in organic and inorganic matter. Organic acids are commonly found in sedimentary organic matter, are common components of immature-low mature oil and source rocks extraction.
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