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针对青海砂西模拟区的低渗透储层特性,利用油藏数值模拟技术和开发压裂的思路,分析不同的压裂因素对该模拟区块开发效果的影响,优选出适合本区块现场实施的最佳压裂方案。 相似文献
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水力压裂是低渗透油藏储层改造的主要工艺措施之一。针对腰滩油田低渗透油藏特点开展了区块整体压裂工艺技术研究,优选了适合强水敏油藏的低伤害、低滤失、低摩阻、低残渣压裂液;筛选与地层裂缝相适应的支撑剂;根据井网布置,以经济效益为中心优化裂缝参数;采用防止裂缝向下延伸、封隔器+填砂的选择性压裂或薄互层的笼统压裂工艺、前置加陶粒降滤工艺等区块整体压裂工艺方案,同时在实施过程中全方位的监督和实时数据采集、分析诊断、后评估,现场应用后取得明显效果,使腰滩油田低渗透油藏采油速度得到大幅度的提高。 相似文献
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坪北区块属于低压、低渗透油藏,为提高压裂开发效果,于1998~2000年进行了压裂整体改造研究工作。通过地应力方向测试、地应力剖面测试等措施,取得地层岩石力学性质参数,以油藏研究为基础,以数字模拟为手段,采用三维压裂设计软件,优化施工设计,确定了“小排量、高砂比、深穿透”的压裂施工方案。经过三年的实践证明,裂缝与井网匹配合理,开发效果良好。 相似文献
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根据产量预测,在室内配制混合水,对锦州南高点油田的JZ21、JZ20和Jz9共3个区块进行配伍性试验.通过水质分析、软件模拟、混合试验和理论分析,确定了3种采出水的配伍性.总铁、硫化物、细菌和平均腐蚀率对采出水的配伍性没有影响,影响采出水、采出液配伍性的主要因素是结垢.从2011~2021年各年份的混合水都有结垢趋势,而以2020年的结垢趋势最为严重,以C<,a>CO<,3>垢为主.为了防止污水系统结垢,从2012年开始,应向混合水中投加适量防垢剂或缓蚀防垢剂. 相似文献
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长庆陇东低渗油田重复压裂技术研究 总被引:2,自引:0,他引:2
针对长庆陇东油田压裂液、压裂工艺存在的问题,对压裂液和压裂方式进行了改进;介绍了多级充填压裂、暂堵压裂等两项压裂技术及相关配套技术,现场应用后取得了较好的增产效果。 相似文献
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《世界石油工业》2006,13(5):9-9
塔里木油田公司是中国石油天然气股份有限公司的地区公司。目前拥有资产总量255亿元,员工12400人.是一家在塔里木盆地进行油气勘探、开发、炼油、化工,销售为一体的大型石油公司。实行市场化运行.合同化管理。专业化服务.社会化依托管理摸式。形成了适合塔里木前陆盆地、海相克拉通盆地油气勘探开发理论和具有国内外领先水平的沙漠和山地勘探技术、深井及超深井钻井试油技术、深层高压油气田开发等技术系列。目前已探明油气储量当量达到1098亿t。原油产量由1989年的338万t发展到2005年的600万t,天然气产量已达到57亿m^3,油气当量突破1100万t,成为中国石油第五个千万吨级大油气田。目前塔里木油田已探明的天然气地质储量可以确保西气东输工程每年供气200亿m^3稳定供气30年以上。 相似文献
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针对油田电网现状,提出了优化电力网络,降低输电损失;改变变电装置,提高电网效率;优化配置无功补偿,提高配电效率;采用新技术,提高用电效果等措施以达到提高供电效率,降低原油生产成本的目的。 相似文献
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《中国油气》2007,14(2):34-35
PetroChina Tarim Oilfield Company, former Tarim Petroleum Exploration & Development Bureau founded in April 1989, is one of the regional subsidiaries under PetroChina Company Limited (PetroChina). It is a large-scale oil company integrated in petroleum exploration and development, oil refining, production of petrochemicals, technological study and marketing business. Headquartered on the bank of Peacock River in Korle City of Xinjiang Uygur Autonomous Region, the company operates itself in more than 20 counties of five prefectures around Tarim Basin. It has since its foundation adhered to the principles of"adopting new management system and new technology, as well as realizing high-grade and high-efficiency battle for oil", implemented market operation, contract management, professional service, and socialization dependence. The engineering service personnel of the company are mainly from the nation's bigthree oil companies - China National Petroleum Corporation (CNPC), China National Petrochemical Corporation (Sinopec), and China National Offshore Oil Corporation (CNOOC), while the logistic service mainly depends on the local specialization service personnel. It is the first oil company to establish and implement the standardized system that has approached the international level among all onshore oilfields in China. 相似文献
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Chen Licheng 《中国油气》2005,12(3):28-30
Ordos Basin, the second largest sedimentary basin located in central China with an area of 250,000 square kilometers, spreads over 5 provinces including Shaanxi, Gansu, Ningxia Hui Autonomous Region, Inner Mongolia Autonomous Region and Shanxi. As one of China's major energy resource bases, Ordos Basin contains abundant petroleum resources. Changqing oilfield located in Ordos Basin has long been the key exploration area of China National Petroleum Corporation (CNPC). In recent years, along with the rising of control level and advancement of science and technology, both oil and gas productions have been growing rapidly. By the end of 2001, 41 oilgas fields had been discovered in Changqing oilfield. The cumulative proved oil reserves is 1.0045 billion tons and proved gas reserves is 1.183 l trillion cubic meters. The annual oil production is 5.20 million tons, ranking the fifth in China, and annual gas production is 3.46 billion cubic meters, the second largest in China. It has 4 world-class large gasfields with proved gas reserves over 100 billion cubic meters and becomes the first large gas province with gas reserves over 1 trillion cubic meters, ranking among the 15 largest gas provinces in the world. 相似文献
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从大庆油田开发历史看,油田开发的过程就是思想不断解放的过程。大庆油田的开发实践表明,每一次思想上的新解放都带来了油田开发工作的新发展。 相似文献