模拟石油套管在单井吞吐注蒸汽稠油热采井中复合受力的评价实验研究

在API系列中没有稠油热采井专用套管,油田只能选用普通API套管。但在使用中API套管过早损坏,导致油井提前报废,给油田造成较大的经济损失。通过在实验室进行模拟单井吞吐注蒸汽稠油热采井中油层石油套管柱的复合受力评价试验,证明其屈服强度明显下降既API系列的N80石油套管不适合用作单井吞吐注蒸汽稠油热采井的油层套管。     

稠油热采井专用套管TP90H的开发

在充分了解油田实际使用工况的基础上，成功设计开发出了一种注蒸汽稠油热采井专用的非API系列套管-TP90H。钢种选用热稳定性好的Cr-Mo钢，通过采用纯净钢冶炼技术、限动芯棒轧管技术、调质处理和温矫技术．来保证套管的性能指标满足油田使用要求。模拟套管在注蒸汽热采井中的复合受力的热模拟实验结果表明，套管的热稳定性较好，在350℃环境温度下可以承受640MPa的热应力。经油田的批量使用．该套管可以满足油田的实际使用要求。     

高强度热采井专用套管TP100H的开发

在充分了解油田实际使用工况的基础上，成功开发了一种超稠油热采井专用的非API系列套管TP100H，介绍了该钢级套管的开发背景，套管的性能指标，基本生产工艺流程，实际性能检验结果及油田的使用情况。     

一种经济型稠油热采专用套管的研发

对一种经济型稠油热采井专用套管进行分析研究,其管柱设计采用应变设计准则,同时兼顾应力设计准则,在保证材料的性能条件下采用成本较低的Cr-Mn系钢种。通过与目前国内油田广泛采用的Cr-Mo钢种进行了常规力学性能、高温拉伸、热循环试验及热膨胀系数测定等对比试验以评估产品性能指标,结果显示基于应变的热采井设计新方法开发的经济型稠油热采井专用套管可满足油田开发使用需求且更为经济。     

热采井用筛管热应力试验技术研究

随着油气勘探技术的进步,热采越来越多地应用于稠油的开采中.热采井中的筛管、套管及套管接头的循环耐热能力、实体拉伸与压缩能力是整个管柱的重点考量因素.根据油井管实体性能试验方法,结合热采井中筛管工况,总结出一种模拟热采井管柱服役条件的热循环、实体拉伸与压缩试验方法,并采用宝钢φ139.7 BG110H BC耐热套管为基管,由中海油田服务股份有限公司开发的CMS、CDS两种筛管产品进行了试验验证.该试验技术对热采油气并的筛管的设计、制造有指导意义.     

一种新型高抗挤套管的研制

复杂地质条件下油水井套管早期损坏问题，是油田开发中迫切需要解决的一个重大技术难题。为此，研发了一种非API规格的新型高抗挤套管(TP130TT)，试图从建井源头上有效解决这一难题。重点讨论了该新型高抗挤套管的设计基础、性能特点、评价结果及应用效果等。该套管的抗挤毁强度达到167MPa，能够适应盐膏层等复杂井段对套管抗挤强度的特殊要求，可以有效提高这类油水井的使用寿命及油田的综合开发效益，具有广泛的推广应用价值。     

稠油热采井用110SH-1钢级热釆套管的开发

根据SY/T6952.2-2013标准要求及稠油热采井工况环境,为减少贵重合金的使用,降低生产成本,大冶特殊钢有限公司采用0.9～1.2Cr-0.3～0.6Mo基低合金+Nb-Ti-V分别为0.01～0.05微合金成分设计,按照"70 t电弧炉冶炼→LF+VD→连铸Φ230 mm圆坯→CPE顶管机组成管→调质热处理"工艺流程生产Φ177.8 mm×9.19 mm无缝钢管,根据试验结果确定了920℃淬火,水冷,660℃回火,空冷的热处理工艺,成功开发出一种高强韧性的110SH-1钢级热采套管。测试结果表明,该钢级的热采套管常规性能、高温蠕变性能、全尺寸爆破、全尺寸挤毁等完全满足SY/T 6952.2-2013行业标准要求。     

稠油热采井用110SH-1钢级热采套管的开发

根据SY/T6952.2-2013标准要求及稠油热采井工况环境,为减少贵重合金的使用,降低生产成本,大冶特殊钢有限公司采用0.9～1.2Cr-0.3～0.6Mo基低合金+Nb-Ti-V分别为0.01～0.05微合金成分设计,按照"70 t电弧炉冶炼→LF+VD→连铸Φ230 mm圆坯→CPE顶管机组成管→调质热处理"工艺流程生产Φ177.8 mm×9.19 mm无缝钢管,根据试验结果确定了920℃淬火,水冷,660℃回火,空冷的热处理工艺,成功开发出一种高强韧性的110SH-1钢级热采套管。测试结果表明,该钢级的热采套管常规性能、高温蠕变性能、全尺寸爆破、全尺寸挤毁等完全满足SY/T 6952.2-2013行业标准要求。     

适应非均匀载荷超高强度的套管研制与应用

复杂地质条件下油水井套管早期损坏问题，是油田开发中迫切需要解决的一个重大技术难题。天津钢管公司研发了一种非API规格的新型高抗挤套管(TP130TF)，其抗挤毁强度达到167MPa，能够适应盐膏层等复杂井段对套管抗挤强度的特殊要求，经评价试验和油田使用，可以有效提高这类油水井的使用寿命及油田的综合开发效益，具有广泛的推广应用价值。     

一种适用于稠油热采工况钢种的实验研究

通过对稠油热采井使用工况的研究,针对性设计了一种耐高温、低膨胀钢种,钢种采用中碳Cr-Mo系加微量晶界强化合金元素及稀土的设计思路.试验证明,其高温拉伸性能和线膨胀系数均较C-Mn系钢种优越,适用于稠油热采工况条件,有望用于稠油热采井专用套管的生产.     

China's Major Non-ferrous Metals Imports & Exports

正~~     

Zinc Production by Province in 2014

正~~     

80% of Chinese Firms Purchasing Overseas Mines Ended up in the Red

<正>Minmetals Resources acquired the world’s largest copper mine under construction for USD5.85 billion.One after another,listed companies Jien Nickle,China Molybdenum and Chihong Zinc and Germanium raised money to get involved in overseas mining projects…SOEs and private enterprises are engaged in a frenzy of overseas mine purchasing.A reporter with Economic     

Copper Processing Profit Dropped Sharply,Copper Consumption Will Face Impact in the Second Half of the Year

正Judging from China’s copper consumption field,the biggest consumption unit is electric power,which accounts for 47%of total consumption;it is followed by light industry sector,including household electrical appliance,machinery,durable goods and hardware etc,which accounts for 22%of total consumption;followed by transportation field,     

Central Geological Prospecting Fund Newly Added 16.47 Million Tonnes of Bauxite in 2013

正In 2013,the Central Geological Prospecting Fund(CGPF)Project newly discovered 15 ore fields,including 3 large above ore fields,and 5medium sized ore fields.The reporter learned from the recently published"Annual Report of Central Geological Prospecting Fund Project(2013)"that,from 2006 to 2013 the CGPF     

Manufacturers of Copper Tube for Central Air Conditioner Use Face Mounting Pressure in the Final Quarter of the Year

正This year,the investment growth rate of real estate industry continued to slow down,sold area of commercial housing also dropped significantly,which brought huge pressure to the domestic air conditioning manufactures.In the first half of the year,by relying on high growth in national financial expenditure,along with investment in public infrastructure     

Xinjiang Ranks No.1 in Production of Primary Aluminum in China

正Kang Yi,Honorary Chairman of China Nonferrous Metals Industry Association,said recently at the Forum on Development of the Non-ferrous Metals Industry in Central and Western China held in Zhengzhou that,as more and more electrolytic aluminum factories in Xinjiang came into operation,the electrolytic aluminum output of Xinjiang had reached2,275,000 tons in the first 7 months this year,     

Shenhuo Coal Industry and Electricity Power Completed800,000 t/a Aluminum Project in Xinjiang

正"Xinjiang project has been completed according to schedule,but total completion and total start of production are two different concepts,after completion it still needs a gradual process of reaching production target."On the morning of November 3,Shenhuo Coal Industry and Electricity Power told investors the above statement on the investor interaction platform.     

Guangdong Metal Transaction Center has Become the Second Largest Precious Metal Transaction Platform Nationwide

正The reporter learned from Guangdong Province Precious Metal Transaction Center that in 2013the Center maintained healthy development momentum,and had become the second largest precious metal transaction platform in China in terms of market size;currently Guangdong is quickening steps of financial innovation for the Center,aiming to build a transaction center with international core competitiveness.     

Seven Rare Earth Projects Involving Close to 3 Billion Yuan Investment Landed In the HighTech Zone

正On May 22,Baotou Rare Earth Industry Cooperation Consultation MeetingProject Agreement-signing Ceremony was held in Ningbo,nearly 40 enterprises from Ningbo,Guangdong,Hunan,and Shanxi participated in project consultation.After multi-lateral communication,agreements were signed for a total of 7 rare earth projects successfully.