伊朗Y油田深部复杂地层钻井液技术

任立伟, 夏柏如, 唐文泉, 宋兆辉

任立伟, 夏柏如, 唐文泉, 宋兆辉. 伊朗Y油田深部复杂地层钻井液技术[J]. 石油钻探技术, 2013, 41(4): 92-96. DOI: 10.3969/j.issn.1001-0890.2013.04.020
引用本文: 任立伟, 夏柏如, 唐文泉, 宋兆辉. 伊朗Y油田深部复杂地层钻井液技术[J]. 石油钻探技术, 2013, 41(4): 92-96. DOI: 10.3969/j.issn.1001-0890.2013.04.020
Ren Liwei, Xia Bairu, Tang Wenquan, Song Zhaohui. Drilling Fluid Technology for Deep Troublesome Formation of Y Oilfield in Iran[J]. Petroleum Drilling Techniques, 2013, 41(4): 92-96. DOI: 10.3969/j.issn.1001-0890.2013.04.020
Citation: Ren Liwei, Xia Bairu, Tang Wenquan, Song Zhaohui. Drilling Fluid Technology for Deep Troublesome Formation of Y Oilfield in Iran[J]. Petroleum Drilling Techniques, 2013, 41(4): 92-96. DOI: 10.3969/j.issn.1001-0890.2013.04.020

伊朗Y油田深部复杂地层钻井液技术

基金项目: 

中国石化科技攻关项目"海外重点区块复杂地层钻完井关键技术研究"(编号:P12077)部分研究成果。

详细信息
    作者简介:

    任立伟(1978—),男,黑龙江巴彦人,2002年毕业于大庆石油学院精细化工专业,2009年获中国石油大学(北京)化学工艺专业硕士学位,在读博士研究生,工程师,主要从事钻井液技术管理及研究工作。

  • 中图分类号: TE254+.4

Drilling Fluid Technology for Deep Troublesome Formation of Y Oilfield in Iran

  • 摘要: 伊朗Y油田深部地层的超厚活跃沥青层和高压差储层钻进过程中,存在沥青侵入、压差卡钻事故频发和149.2 mm井眼地层压力测试困难等问题。在室内试验的基础上,对钻井液的封堵、润滑和抑制防塌等关键性能和相关技术措施进行优化;利用选择性优先粘附和稠化封堵技术措施,有效控制了Kazh地层的沥青侵入程度;在保证钻井液具有良好的封堵和润滑性能的基础上,分段采用强化封堵技术措施有效解决了FLN地层压差卡钻的问题。现场应用表明,FH4井、FH14井和FH17井均实现了28 MPa高压差下的安全施工。
    Abstract: Drilling in deep formation in Iran Y Oilfield,which contains ultra-thick active bitumen and high differential pressure,is facing challenges such as bitumen invasion,differential sticking,difficulty in formation pressure test at 149.2 mm hole section,etc.Therefore,on the basis of laboratory study,the key properties of drilling fluid including plugging,lubricity,inhibition and slough-prevention were optimized.The bitumen invasion was controlled by selective preferential adherence and thickening and plugging technology in Kazhdumi Formation.Apart from keeping good plugging and lubrication of drilling fluids,separated layer sealing technique was applied in Fahliyan Formation to overcome the sticking caused by differential pressure.All these measures that were applied in Well FH4,FH14 and FH17,solving bitumen invasion and differential sticking are effective.There was no trouble and complicated situation happened during drilling operation in high differential pressure (28MPa) formation.
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出版历程
  • 收稿日期:  2012-08-05
  • 修回日期:  2013-03-08
  • 刊出日期:  1899-12-31

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