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玉东1井Φ177.8mm尾管“正注反打”固井工艺技术

Φ177.8mm Liner cementing technology of positive and inverse injection in Well Yudong-1
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摘要 玉东1井是塔里木油田英买力气田群的一口预探井,该井在Φ177.8mm尾管下到位憋通时再次发生恶性漏失-井口失返。为尽快封固裸眼井段,防止发生其它井下复杂情况和保护储层,采用"正注反打"固井工艺技术,在正注时使用快干水泥浆,喇叭口挤水泥时使用两凝水泥浆,同时综合运用"同步法"挤水泥及"间歇挤水泥"工艺技术,成功地完成了该复杂井的施工,为此井后来的勘探打下了良好的基础,并为以后类似井提供了参考。 Well Yudong-1 is a exploratory well in Yingmaili gas fields,the Tarim Oilfield.A vicious loss without returns happened again when shearing seat shear pin of Φ177.8mm liner.For cementing open hole area as soon as possible to prevent other complex situations from happening and to protect reservoir,cementing technology of positive and inverse injection was adopted.Rapid hardening slurry was used when injecting slurry positively and two-stage setting slurry was used when injecting slurry inversely at bell mouth...
出处 《内蒙古石油化工》 CAS 2009年第21期105-107,共3页 Inner Mongolia Petrochemical Industry
关键词 尾管固井 井漏 正注反打 同步法 Liner Cementing Loss Positive and Inverse Injection Synchronal Squeeze Cement
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