GWDC Solves World-class Drilling Bottleneck in Kenkijak Oil Field

The news that Greatwall Drilling Company Limited (GWDC) has drilled a well with the daily oil production of more than one thousand tons spread quickly when the Well H8010 of CNPC Aktobin Oil and Gas Shareholding Company (CNPC Aktobin) in Kenkijak Oil Field in Kazakhstan produced 1,170 tons on July 1, 2004; both the employees of GWDC and CNPC Aktobin could not hold their excited feeling and cheered at such encouraging news.     

世界石油钻井科技发展水平与展望

较全面地总结了世界石油钻井科技的主要成果水平,分析了我国石油钻井科技现状及其与国外的主要差距,展望了未来石油钻井技术的发展趋势。     

GWDC Wins the Lekhwair Drilling Contract on a Lump Sum Basis in Oman

GWDC （GreatWall Drilling Company Ltd.） has become the first Chinese drilling contractor to win a contract on a lump sum basis in PDO （Petroleum Development Oman） to carry out a major strategic drilling campaign in Lekhwair, Oman. The Lekhwair Drilling Campaign Contract was signed in August, 2005 following acceptance of the award by PDO.     

GWDC Wins the Lekhwair Drilling Contract on a Lump Lump Sum Basis in Oman

GWDC (Great Wall Drilling Company Ltd.) has become the first Chinese drilling contractor to win a contract on a lump sum basis in PDO (Petroleum Development Oman) to carry out a major strategic drilling campaign in Lekhwair, Oman. The Lekhwair Drilling Campaign Contract was signed in August, 2005 following acceptance of the award by PDO.     

GWDC Sets New Records in Its International Marketing and Operation in 2004

Greatwall Drilling Company Ltd.(GWDC),the largest international drilling contractor in China, set historic records in all its marketing and operation indices in 2004 lunching a leap in its development over consecutive 4 years after its reorganization in 2001.     

China Looks to Worldwide Resources to Sate Its Energy Appetite

An appetite for resources has long been a key determinant of Chinese foreign policy and recent figures detailing China's crude imports have posed further daunting geopolitical challenges over how China can ensure its oil supply. China surpassed Japan as the world's second largest     

MPD技术及其在钻井中的应用

MPD（Managed Pressure Drilling）即控制压力钻井是在国外得到应用的一种先进技术。该技娄登竺解决夏杂地层钻井所出现的复杂问题，如由漏失造成的钻井液费用过高、压差卡钻、井控问题，以及在狭窄压力窗口下钻进时可能发生的涌-漏现象等等，以提高钻井效率、降低钻井成本。     

胜利钻井企业走向国际市场初探

分析了国际国内钻井市场面临的形势，阐述了胜利钻井企业开拓国际市场的必然性及存在的问题，并指出，目前胜利钻井企业应通过拥有高素质人才及树立良好的企业形象来提高国际竞争能力，在国际市场上谋发展，在国际竞争中求生存。     

2005年国外钻井液新技术

介绍了2005年钻井液技术在新型钻井液、保护油气层技术、防漏堵漏、井壁稳定等方面的新进展。新型钻井液方面介绍了高效水基钻井液、可防止重晶石沉降的INNOVERT钻井液体系、超临界二氧化碳钻井液、甲酸铯盐水高温高压井钻井液和完井液、乳化隔离液等。在保护油气层新技术方面介绍了新一代打开油层钻井液、油基钻井液滤液对气层影响的研究等。在防漏堵漏新技术方面介绍了含有膨胀聚合物颗粒和胶体颗粒的微复合有机／无机胶堵漏剂、可变形的密封剂（MAX_sHIELDTM）、一种新的漏失机理——注水冷却会诱发地层在钻井时发生漏失、交联水泥堵漏剂等。在井壁稳定技术方面介绍了利用分子模型对聚合物稳定页岩的机理进行了解，一种有效的高温高压降滤失剂——新型共聚物Hostadrill4706，预测油基和合成基钻井液密度的模型，降当量循环密度工具等。对振动筛筛网新的API标准等其它钻井液新技术也进行了介绍。     

白音查干区块气体钻井技术研究与应用

气体钻井技术是一种特殊的欠平衡钻井技术,合理使用可以极大地提高钻进时效,降低钻井作业成本。为了加快白音查干区块的勘探开发速度,缩短钻井周期,将气体钻井技术应用于白音查干区块。现场实践表明,气体钻井技术的应用,在硬地层、可钻性差、研磨性强的非储层段,对提高钻井速度及克服复杂情况等,比常规钻井液钻井更有优势。     

GWDC to Become Domestically First-class and Internationally Advanced General Contractor in Petroleum Engineering Technology Market

正Status Greatwall Drilling Company(GWDC),an integrated petroleum engineering services company,mainly focuses on drilling,geophysical prospecting,logging,cementing as well as the development of oil well construction including top driving,mud,and well completion.It provides general contracting services of well construction for oilfield development.What's more,GWDC devotes major efforts to reservoir geological study,workover and lateral drilling,acid fracturing treatment of formations,gas     

GWDC to Become Domestically First-class and Internationally Advanced General Contractor in Petroleum Engineering Technology Market

正Status Greatwall Drilling Company(GWDC),an integrated petroleum engineering services company,mainly focuses on drilling,geophysical prospecting,logging,cementing as well as the development of oil well construction including top driving,mud.and well completion.It provides general contracting services of well construction for oilfield development.What's more.GWDC devotes major efforts to reservoir geological study,workover and lateral     

GWDC to Become Domestically First-class and Internationally Advanced General Contractor in Petroleum Engineering Technology Market

<正>Status Greatwall Drilling Company(GWDC).an integrated petroleum engineering services company,mainly focuses on drilling,geophysical prospecting,logging,cementing as well as the development of oil well construction including top driving.mud.and well completion.It provides general contracting services of well construction for oilfield development.What's more.GWDC devotes major efforts to reservoir geological study,workover and lateral drilling,acid fracturing treatment of formations.gas dovelopment.providing other rated technical services.It is dedicated to becoming the general contractor of petroleum engineering technologies in the world.     

GWDC to Become Domestically First-class and Internationally Advanced General Contractor in Petroleum Engineering Technology Market

正Status Greatwall Drilling Company(GWDC),an integrated petroleum engineering services company,mainly focuses on drilling,geophysical prospecting,logging,cementing as well as the development of oil well construction including top driving,mud,and well completion.It provides general contracting services of well construction for oilfield development.What's more,GWDC devotes major efforts to reservoir geological study,workover and lateral drilling,acid fracturing treatment of formations,gas development,providing other rated technical services;It is dedicated to becoming the general contractor of petroleum engineering technologies in the world.     

GWDC to Become Domestically First-class and Internationally Advanced General Contractor in Petroleum Engineering Technology Market

Status Greatwall Drilling Company (GWDC) an integrated petroleum engineenng services company, mainly focuses on drilling, geophysical prospecting, logging, cementin9 as well as the development of oil well construction including top driving, mud, and well completion. It provides general contracting services of well construction for oilfield development. What’s more. GWDC devotes major efforts to reservoir geological study, workover and lateral drilling, acid fracturing treatment of formations gas development providing other rated technical services. It is dedicated to becoming the     

GWDC to Become Domestically First-class and Internationally Advanced General Contractor in Petroleum Engineering Technology Market

<正>Status Greatwall Drilling Company(GWDC),an integrated petroleum engineering services company,mainly focuses on drilling,geophysical prospecting,logging,cementing as well as the development of oil well construction including top driving,mud.and well completion.It provides general contracting services of well construction for oilfield development.What's more,GWDC devotes major efforts to reservoir geological study,workover and lateral     

GWDC to Become Domestically First-class and Internationally Advanced General Contractor in Petroleum Engineering Technology Market

<正>Status Greatwall Drilling Company(GWDC),an integrated petroleum engineering services company,mainly focuses on drilling,geophysical prospecting,logging,cementing as well as the development of oil well construction including top driving,mud,and well completion.It provides general contracting services of well construction for oilfield development.What's more,GWDC devotes major efforts to reservoir geological study,workover and lateral     

DNV GL Steps up Its Presence in China

As the company made from the merger of Norway＇s Det Norske Veritas and Germanischer Lloyd, the world＇s largest risk management company DNV GL will further broaden its China service portfolio especially in the fields of maritime, oil and gas, energy industries and management certification business over the years to come, it said in a recent statement.     

欠平衡钻井技术及其在焉耆盆地探井中的应用

对欠平衡钻井技术在国内几个油田的应用情况进行了调研,分析总结了该技术的主要优点和技术关键,针对焉耆盆地宝221井储层特点,设计并实施了欠平衡泡沫钻井,并对该井的应用效果及经验教训进行了分析总结。