|本期目录/Table of Contents|

[1]蔡 斌 张海山 王 荐 向兴金 史茂勇 舒福昌 吴 彬.东海抗高温低自由水钻井液体系构建与应用[J].中国海上油气,2019,31(05):147-153.[doi:10.11935/j.issn.1673-1506.2019.05.016]
 CAI Bin ZHANG Haishan WANG Jian XIANG Xingjin SHI Maoyong SHU Fuchang WU Bin.Construction and application of high temperature resistance and low free water drilling fluid system in the East China Sea[J].China Offshore Oil and Gas,2019,31(05):147-153.[doi:10.11935/j.issn.1673-1506.2019.05.016]
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东海抗高温低自由水钻井液体系构建与应用()

《中国海上油气》[ISSN:1673-1506/CN:11-5339/TE]

卷:
第31卷
期数:
2019年05期
页码:
147-153
栏目:
钻采工程
出版日期:
2019-10-10

文章信息/Info

Title:
Construction and application of high temperature resistance and low free water drilling fluid system in the East China Sea
文章编号:
1673-1506(2019)05-0147-07
作者:
蔡 斌1 张海山1 王 荐23 向兴金2 史茂勇23 舒福昌23 吴 彬2
(1. 中海石油(中国)有限公司上海分公司 上海 200335; 2. 荆州市汉科新技术研究所 湖北荆州 434000; 3. 湖北省油田化学产业技术研究院 湖北荆州 434000)
Author(s):
CAI Bin1 ZHANG Haishan1 WANG Jian23 XIANG Xingjin2 SHI Maoyong23 SHU Fuchang23 WU Bin2
(1. CNOOC China Limited, Shanghai Branch, Shanghai 200335, China; 2. Jingzhou HANC New Technology Research Institute, Jingzhou, Hubei 434000, China; 3. Hubei Oilfield Chemical Industry Technology Research Institute, Jingzhou, Hubei 434000, China)
关键词:
东海 高温 低自由水钻井液 流型调节剂HTV-8
Keywords:
East China Sea high temperature low free water drilling fluid flow regulator HTV-8
分类号:
TE254+.4; TQ317
DOI:
10.11935/j.issn.1673-1506.2019.05.016
文献标志码:
A
摘要:
东海天然气藏埋藏深、压力高,井底最高温度达180 ℃以上,易使钻井液重晶石和岩屑沉降造成起下钻遇阻、卡钻事故,严重影响钻井作业效率。由长链磺酸、疏水单体和交联剂等共聚反应,通过室内实验研发了一种抗高温流型调节剂HTV-8,并以该调节剂构建了东海抗高温低自由水钻井液体系。实验结果表明:HTV-8在无黏土或低固相钻井液中的提切能力强,抗温能力达200 ℃,可使钻井液具有优良的高温流变性; 所构建的抗高温低自由水钻井液体系具有较好的抗岩屑污染能力、抗盐污染能力、抑制性和储层保护等性能。目前该抗高温低自由水钻井液体系已在东海气田取得成功应用,钻井液携砂性能好、钻进过程中返砂顺利,长时间避台后重晶石无沉降,为东海深层天然气藏安全高效开发奠定了良好基础。
Abstract:
The natural gas reservoirs in the East China Sea are characterized by large buried depth, high pressure, and high bottomhole temperature of over 180 °C. The drilling accidents such as resistance and stuck string are frequently encountered caused by the settlement of barite and cuttings, which affects the drilling efficiency seriously. The HTV-8 high temperature resistance flow regulator was developed by the copolymerization of long chain sulfonic acid, hydrophobic monomer, fiber and crosslinker through laboratory experiments, and an high temperature resistance low free water drilling fluid system suitable for the East China Sea was developed on the basis of this regulator. The experimental results show that HTV-8 has strong gel enhancing in bentonite-free or low-solid phase drilling fluid, and its temperature resistance reaches 200 °C, which enables the excellent high-temperature rheology of drilling fluid. The developed high temperature resistance low free water drilling fluid system has good resistances to cuttings and salt pollution, perfect inhibition and reservoir protection. At present, this drilling fluid system has been successfully applied in the East China Sea gas field. The drilling fluid shows good sand carrying performance and smooth sand return during drilling, and there is free of barite sedimentation after long-term shut-in against typhoon, which lays a solid foundation for the safe and efficient development of deep sea gas reservoirs in the East China Sea.

参考文献/References:

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备注/Memo

备注/Memo:
* “十三五”国家科技重大专项“大型油气田及煤层气开发(编号:2016ZX05027-003-002)”部分研究成果。 第一作者简介: 蔡斌,男,工程师,毕业于中国石油大学(北京)油气井工程专业,主要从事海上钻完井工程技术方面的研究和生产工作。地址:上海市长宁区通协路388号中海油大厦(邮编:200335)。E-mail:caibin4@cnooc.com.cn。 通信作者简介: 王荐,男,高级工程师,毕业于长江大学石油工程专业,主要从事钻完井液及储层保护方面的研究工作。地址:湖北省荆州市沙市区月堤路39号(邮编:434000)。E-mail:27576976@qq.com。
更新日期/Last Update: 1900-01-01