松南地区火山岩水平井优快钻井技术

巢贵业

doi:10.3969/j.issn.1001-0890.2013.06.012

松南地区火山岩水平井优快钻井技术

巢贵业

中国石化东北油气分公司工程技术研究院, 吉林长春 130062

详细信息

作者简介:
巢贵业（1973- ），男，青海互助人，1993年毕业于长春地质学校钻探专业，工程师，主要从事钻完井工艺技术研究。

中图分类号: TE243⁺.1
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出版历程
- 收稿日期: 2012-12-12
- 修回日期: 2013-07-28
- 刊出日期: 1899-12-31

Optimized Horizontal Well Drilling Technologies for Volcanic Formations in Songnan Area

Chao Guiye

Exploration & Development Institute of Dongbei Branch, Sinopec, Changchun, Jilin, 130062, China

摘要

摘要: 松南火山岩地层抗压强度高、研磨性强，裂缝、断层发育，导致水平井钻井过程中易漏、易坍塌，机械钻速低，周期长。为了进一步提高松南火山岩地层的水平井机械钻速、缩短钻井周期、降低钻井成本，以地层可钻性级值、三压力剖面和节点分析法为依据，采用钻头效益指数法和纵横弯曲梁理论及微单元力平衡分析法，通过软件模拟优选出KS1952SGR等高效PDC钻头，优化出φ152.4 mm小井眼三级井身结构、能够提高中靶成功率的“直—增—稳—增—平”井眼剖面、合适的靶前距及全井段复合钻井等优快钻井技术。该系列技术在松南地区5口火山岩水平井进行了现场应用，全井平均机械钻速提高了23.9%，平均钻井周期缩短了25.2%，取得了很好的应用效果。
- 火山岩 /
- 水平井 /
- 井身结构 /
- 机械钻速 /
- 松南地区
Abstract: As the features of volcanic formations in Songnan Area are strong abrasion,high compressive strength,rich fractures and faults,the drilling of horizontal wells in these formation is likely to encounter the loss of circulation,collapse,low rate of penetration(ROP),which leads to long drilling cycle time.To improve ROP,shorten drilling time and cut the cost of horizontal wells in this area,based on maximum drillability value of formation,three pressure profiles and nodal analysis methods,KS1952SGR high efficiency PDC drilling bit was selected and optimized the 3-stage casing program in slim holes(the hole size of 152.4 mm in the third spuding stage),the well trajectory including vertical,build-up,stabilizing and horizontal sections,proper displacement from landing point to first target point as well as composite drilling technology were optimized by using software modeling.The application of these techniques in 5 wells in Songnan Area showed the average rate of penetration increased by 23.9%,and the average drilling time reduced by 25.2%.
- volcanic rock /
- horizontal well /
- casing program /
- penetration rate /
- Songnan Area

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参考文献(7)

[1]	穆国臣, 陈晓峰, 王雪.松南地区深井钻井提速难点与对策[J].石油钻探技术, 2011, 39(6):19-22. Mu Guochen, Chen Xiaofeng, Wang Xue.Difficulties and applied technical strategy in deep well drilling in Songnan Area[J].Petroleum Drilling Techniques, 2011, 39(6):19-22.
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松南地区火山岩水平井优快钻井技术

作者简介: 巢贵业（1973- ），男，青海互助人，1993年毕业于长春地质学校钻探专业，工程师，主要从事钻完井工艺技术研究。

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Optimized Horizontal Well Drilling Technologies for Volcanic Formations in Songnan Area

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目录

作者简介:
巢贵业（1973- ），男，青海互助人，1993年毕业于长春地质学校钻探专业，工程师，主要从事钻完井工艺技术研究。