[1]劉 偉 陶 謙 丁士東.頁巖氣水平井固井技術難點分析與對策[J].石油鉆采工藝,2012,34(3):040-43.
 LIU Wei,TAO Qian,DING Shidong.Difficulties and countermeasures for cementing technology of salle gas horizontal well[J].Oil Drilling & Production Technology,2012,34(3):040-43.
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頁巖氣水平井固井技術難點分析與對策
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《石油鉆采工藝》[ISSN:1000-7393/CN:13-1072/TE]

卷:
34卷
期數:
2012年3期
頁碼:
040-43
欄目:
鉆井完井
出版日期:
2012-05-20

文章信息/Info

Title:
Difficulties and countermeasures for cementing technology of salle gas horizontal well
文章編號:
1000 – 7393( 2012 ) 03 –0040 – 04
作者:
劉 偉 陶 謙 丁士東
中國石化石油工程技術研究院,北京 100101
Author(s):
LIU Wei TAO Qian DING Shidong
Sinopec Research Institute of Petroleum Engineering, Beijing 100101, China
關鍵詞:
頁巖氣水平井固井水泥漿射孔壓裂
Keywords:
Key words: horizontal well in shale gas reservoir cementing technology slurry perforation fracturing
分類號:
TE256
文獻標志碼:
A
摘要:
摘要:頁巖氣儲層多為低孔低滲,需要采取壓裂等增產措施溝通天然裂縫,所以對固井質量的要求很高。對頁巖氣水平井固井面臨的套管下入與居中度、油基鉆井液有效驅替和大型壓裂對固井膠結質量的影響等技術難題進行深入分析,從有效通井、套管居中、套管漂浮固井技術、高效洗油沖洗液、采用彈韌性水泥漿體系等幾個方面提出了提高頁巖氣水平井固井質量的技術對策,為今后頁巖氣水平井固井提供借鑒。
中圖分類號:文獻標識碼:A
Abstract:
Abstract:Owing to the low porosity and permeability of shale gas reservoir, fracturing and other measures to increase production need to be taken to connect natural fractures, which require higher quality of cementing. The major challenge for cementing horizontal shale gas wells are analyzed in depth, which is the effect to cementing quality from the concentric degree of the casing down into the hole, effective displacement by oil-based drilling fluid, and large-scale fracturing. The countermeasures of improving the cementing quality for horizontal shale gas wells are proposed from the aspects of effective drifting, casing centering, floating casing cementing technique, high efficiency oil washing fluid, slurry system with elastic toughness. It provides a reference for cementing horizontal wells in shale gas reservoirs.

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