气体钻井MMWD随钻测量方法研究

李皋, 陈泽, 孟英峰, 陈一健, 蒋祖军

李皋, 陈泽, 孟英峰, 陈一健, 蒋祖军. 气体钻井MMWD随钻测量方法研究[J]. 石油钻探技术, 2018, 46(5): 52-56. DOI: 10.11911/syztjs.2018055
引用本文: 李皋, 陈泽, 孟英峰, 陈一健, 蒋祖军. 气体钻井MMWD随钻测量方法研究[J]. 石油钻探技术, 2018, 46(5): 52-56. DOI: 10.11911/syztjs.2018055
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LI Gao, CHEN Ze, MENG Yingfeng, CHEN Yijian, JIANG Zujun. Research on Measurement Methods of MMWD during Gas Drilling[J]. Petroleum Drilling Techniques, 2018, 46(5): 52-56. DOI: 10.11911/syztjs.2018055
Citation: LI Gao, CHEN Ze, MENG Yingfeng, CHEN Yijian, JIANG Zujun. Research on Measurement Methods of MMWD during Gas Drilling[J]. Petroleum Drilling Techniques, 2018, 46(5): 52-56. DOI: 10.11911/syztjs.2018055
shu

气体钻井MMWD随钻测量方法研究

  • 1.

    油气藏地质及开发工程国家重点实验室(西南石油大学), 四川成都 610500;

  • 2.

    中国石化西南油气分公司工程技术研究院, 四川德阳 618000

基金项目: 

国家科技重大专项课题"复杂地层钻井提速提效关键工具与装备"（2016ZX05021-003）和四川省省属高校科研创新团队基金（编号：2014TD0006）联合资助。

详细信息
    作者简介:

    李皋(1976-),男,四川武胜人,1999年毕业于西南石油学院资源勘查工程专业,2002年获西南石油学院地质资源与地质工程专业硕士学位,2005年获西南石油大学油气井工程专业博士学位,研究员,博士生导师,主要从事欠平衡钻井、控压钻井、气体钻井和储层保护等方面的研究。

  • 中图分类号: TE27+1

Research on Measurement Methods of MMWD during Gas Drilling

  • 1.

    State Key Laboratory of Oil & Gas Reservoir Geology and Exploitation, Southwest Petroleum University, Chengdu, Sichuan, 610500, China;

  • 2.

    Engineering Technology Research Institute of Sinopec Southwest Branch Company, Deyang, Sichuan, 618000, China

摘要

    摘要
  • 摘要: 气体钻井中EM-MWD技术受复杂地层影响大、信号衰减快和抗噪声能力差，导致其信号测传深度受限，为此提出了在气体钻井中利用钻杆作为微波波导实现井下参数随钻测量与信号传输的MMWD技术。在研究钻杆内高频波传输特性与影响微波传输的主要因素基础上，优选了微波频率并验证了其适用性，得到了可在钻杆中传播的8个波形及其衰减系数，研制出了MMWD样机，并开发了配套的控制处理软件。该样机在元坝气田元陆x井进行了多次下井试验，单次入井无故障工作时间达120.0 h，总工作时间234.0 h，最大测传深度超过3 000.00 m，测传的井下温度数据基本符合地层温度分布规律，且测传井斜角与测井井斜角也较为吻合。研究表明，MMWD技术弥补了EM-MWD技术测传深度受限的不足，测量结果准确可靠，为气体钻井提供了一种新的高效随钻测量手段。
    Abstract: EM-MWD technology has limited signal transmission efficiency during gas drilling,because of a high degree of interference from complex strata,rapid signal attenuation,and poor noise-resistance capacity.To solve the problems,MMWD technology would be used because it can use the drillstring as a microwave waveguide to use the MWD for parameters and signal transmission during the gas drilling.Based on the study of the high frequency wave transmission characteristics and the main influencing factors of microwave transmission along the string,the selected microwave frequency was verified,and eight wave types that could propagate along the string and their attenuation coefficients were obtained.After completing that phase,the MMWD prototype and supporting control and processing software were developed.The prototype was tested several times in Well YL-x of the Yuanba Gas Field in Sichuan,and the fault-free operation duration for one run reached 120.0 h,and the total operation time reached 234.0 h.The maximum measured depth exceeded 3 000.00 m,and the measured and transmitted downhole temperature data generally conformed to the ground temperature distribution law;the well inclination was in consistence with the wire-logging inclination.The study showed that MMWD technology could solve the problem of limited measured depth of EM-MWD technology,and had accurate and reliable measurement results,which provided a new high-efficiency MWD method for gas drilling.
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  • 收稿日期:  2017-11-06
  • 刊出日期:  1899-12-31

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