新一代陆上地震采集装备技术展望
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摘要
随着油气勘探目标日趋复杂,对地震数据质量的要求也愈来愈高,同时陆上地震采集道数的急剧增加,使得现有采集设备笨重、成本高、效率低的问题日益突出,地震采集技术面临严峻的挑战。无缆节点型系统、无线检波器网络等新技术的发展,其成本低、重量轻、系统可靠、采集数据质量高等优势在陆上高密度采集中日渐显现。基于数字传感器的加速度检波器与常规地震检波器相比,动态范围更大,更有利于记录深层弱反射信号,拓展地震频带。新一代产品为采集技术带来革命性变化或许很快就会到来。
The exploration targets of oil and gas are getting more and more complicated,which poses stricter requirements for seismic data quality.And the fast increasing number of land seismic traces makes the problems that acquisition instruments are clumsy,costly,and ineffective outstanding.Cable-free node system and wireless geophone network shows great superiority in land high density seismic acquisition in terms of cost,weight,reliability,and data quality.Compared to conventional geophones,digital sensor based acceleration geophones are wide in dynamic range,which is favorable for recording weak signals from deep layers.The new generation products may soon revolutionize acquisition technologies.
The exploration targets of oil and gas are getting more and more complicated,which poses stricter requirements for seismic data quality.And the fast increasing number of land seismic traces makes the problems that acquisition instruments are clumsy,costly,and ineffective outstanding.Cable-free node system and wireless geophone network shows great superiority in land high density seismic acquisition in terms of cost,weight,reliability,and data quality.Compared to conventional geophones,digital sensor based acceleration geophones are wide in dynamic range,which is favorable for recording weak signals from deep layers.The new generation products may soon revolutionize acquisition technologies.
引文
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2李桂林.陆上高分辨率地震勘探炸药震源激发条件分析[J].石油物探,2005,44(2):183～186
3Ait-Messaoud M,Boulegroun M Z,Kasmi R,et al.New dimensions inland seismic technology[J].Oilfield Review,2005,17(3):42～53
4许生卫.沙漠区高分辨率采集研究与试验[J].勘探地球物理进展,2005,28(2):108～116
5曹务祥.模拟和数字检波器的资料响应特征对比分析[J].勘探地球物理进展,2007,30(2):96～99
6Freed D.Cable-free nodes:The next generation land seismic system[J].The Leading Edge,2008,27(7):878～881
7Savazzi S,Spaqnolini U.Wireless geophone networks for high-density land acquisition:Technologies and fu-ture potential[J].The Leading Edge,2008,27(7):882～886
8Hons MS,Stewart R R,Lawton D C,et al.Field data comparisons of MEMS accelerometers and analog geo-phones[J].The Leading Edge,2008,27(7):896～903
9Lansley M,Laurin M,Ronon S.Modernland recording systems[J].The Leading Edge,2008,27(7):888～894
10Heath R G.Trends in land seismic instrumentation[J].The Leading Edge,2008,27(7):872～877
11Akyildiz I F,Su WL,Sankarasubramaniam Y,et al.A survey on sensor networks[J].IEEE Communications Magazine,2002,40(8):102～114
12Ozbeck A.Multichannel adaptive interference cancel-ling[J].Expanded Abstracts of70thAnnual Interna-tional SEG Meeting,2000,2088～2091
13Lansley R M,van Dok R R,Yale M,et al.Multicompo-nent3D seismic pilot study in the Orinoco heavy oil belt[J].The Leading Edge,1998,17(12):1762～1764
14Ronen S,Ansorger C,Wafaman M,et al.Multicompo-nent seismic in rough terrain:an example from Wyo-ming Green River basin[J].Expanded Abstracts of75thAnnual International SEG Meeting,2005,920～924
15Gray F D,Anderson P F,Gunderson J A.Prediction of shale plugs between wells in heavy oil sands using seismic attributes[J].Natural Resources Research,2006,15(2):103～109
16Mattocks B,Montgomery B,Gibson J,et al.Delineating reservoir sands using PP and PS seismic data[J].Ex-tended Abstracts of EAGE68thConference&Exhibi-tion,2006,0217
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