石油与天然气化工
石油與天然氣化工
석유여천연기화공
CHEMICAL ENGINEERING OF OIL AND GAS
2014年
1期
73-77
,共5页
胜利油田%注水井增注%酸化解堵%表面改性%高聚能电脉冲
勝利油田%註水井增註%痠化解堵%錶麵改性%高聚能電脈遲
성리유전%주수정증주%산화해도%표면개성%고취능전맥충
Shengli oilfield%injection well stimulation%acid defuse plugging%surface modifi-cation%high energy electrical pulses
胜利油田主要以注水开发为主，油田现有欠注层1954层，日欠注8．6×104 m 3，其中低渗欠注层576层，日欠注1．2×104 m3。对国内外解堵增注技术主要进展进行了阐述，对胜利油田近年来在注水井增注方面进展情况进行总结，针对不同欠注原因实施了相应的解堵增注措施，主要有在中高渗储层实施了以盐酸、土酸为主的酸化解堵增注措施，在低渗油田中实施了解堵、基质处理及活性降压增注工艺技术，在物理增注方面，主要实施了水力深穿透射流射孔、水平井径向钻进技术、振动解堵增注技术，配套了前期预处理及后期排液等配套技术，并简要进行了对比分析。在新技术应用方面，主要对表面改性降压增注技术、脉冲解堵增注技术试验应用情况进行了总结分析，针对目前欠注注水井存在的问题提出了下步攻关方向。
勝利油田主要以註水開髮為主，油田現有欠註層1954層，日欠註8．6×104 m 3，其中低滲欠註層576層，日欠註1．2×104 m3。對國內外解堵增註技術主要進展進行瞭闡述，對勝利油田近年來在註水井增註方麵進展情況進行總結，針對不同欠註原因實施瞭相應的解堵增註措施，主要有在中高滲儲層實施瞭以鹽痠、土痠為主的痠化解堵增註措施，在低滲油田中實施瞭解堵、基質處理及活性降壓增註工藝技術，在物理增註方麵，主要實施瞭水力深穿透射流射孔、水平井徑嚮鑽進技術、振動解堵增註技術，配套瞭前期預處理及後期排液等配套技術，併簡要進行瞭對比分析。在新技術應用方麵，主要對錶麵改性降壓增註技術、脈遲解堵增註技術試驗應用情況進行瞭總結分析，針對目前欠註註水井存在的問題提齣瞭下步攻關方嚮。
성리유전주요이주수개발위주，유전현유흠주층1954층，일흠주8．6×104 m 3，기중저삼흠주층576층，일흠주1．2×104 m3。대국내외해도증주기술주요진전진행료천술，대성리유전근년래재주수정증주방면진전정황진행총결，침대불동흠주원인실시료상응적해도증주조시，주요유재중고삼저층실시료이염산、토산위주적산화해도증주조시，재저삼유전중실시료해도、기질처리급활성강압증주공예기술，재물리증주방면，주요실시료수력심천투사류사공、수평정경향찬진기술、진동해도증주기술，배투료전기예처리급후기배액등배투기술，병간요진행료대비분석。재신기술응용방면，주요대표면개성강압증주기술、맥충해도증주기술시험응용정황진행료총결분석，침대목전흠주주수정존재적문제제출료하보공관방향。
Shengli oilfield was mainly developed by water flooding .There were 1 954 layers that had not adequate water injection ,which was short of 8 .6 × 104 m3 per day .There were 576 layers in low permeability oilfield among them ,which was short of 1 .2 × 104 m3 per day .The main plugging removal and increase injection techniques at home and abroad are described in this paper .Particularly ,the development of these techniques in Shengli oilfield was summarized ,and the fitting injection measures were collected according to different short shot reasons in Shengli oilfield .The acidification with hydrochloric acid and mud acid in mid-high permeability reservoir and plug removal ,matrix processing and activity of decreasing pressure and augmented injection technology in low permeability oilfield are implemented .In the aspect of physical stimulation , the technologies such as hydraulic deep penetration perforation ,horizontal well drilling technolo-gy and the radial vibration of plugging removal technology ,and added the matching technology of preprocessing and post discharge were mainly implemented .With the application of new technol-ogy ,the surface modification of increasing injection technology ,and pulse plugging removal test application technology conditions were analyzed .Finally ,the research direction for the next step was put forward ,aiming at the problems in short injection .
