复杂油气藏
複雜油氣藏
복잡유기장
COMPLEX HYDROCARBON RESERVOIRS
2012年
2期
80-83
,共4页
浅层超稠油%汽窜井%组合式蒸汽吞吐%氮气泡沫调剖
淺層超稠油%汽竄井%組閤式蒸汽吞吐%氮氣泡沫調剖
천층초주유%기찬정%조합식증기탄토%담기포말조부
shallow ultra - heavy oil%steam channeling well%combination of cyclic steam stimulation%nitrogen loam profile control
春风油田排601区块属于浅薄层超稠油油藏，由于油稠、地层非均质以及钻井轨迹的影响，先期开发的北区已出现9个井组、23个井次的热干扰现象，严重影响了蒸汽吞吐的开发效果。为解决热干扰问题，采取了组合式蒸汽吞吐和氮气泡沫调剖等措施，有效抑制和利用了汽窜，提高了蒸汽热能利用率，改善了油层动用状况，油井的周期产油量和油汽比均得到了提高。
春風油田排601區塊屬于淺薄層超稠油油藏，由于油稠、地層非均質以及鑽井軌跡的影響，先期開髮的北區已齣現9箇井組、23箇井次的熱榦擾現象，嚴重影響瞭蒸汽吞吐的開髮效果。為解決熱榦擾問題，採取瞭組閤式蒸汽吞吐和氮氣泡沫調剖等措施，有效抑製和利用瞭汽竄，提高瞭蒸汽熱能利用率，改善瞭油層動用狀況，油井的週期產油量和油汽比均得到瞭提高。
춘풍유전배601구괴속우천박층초주유유장，유우유주、지층비균질이급찬정궤적적영향，선기개발적북구이출현9개정조、23개정차적열간우현상，엄중영향료증기탄토적개발효과。위해결열간우문제，채취료조합식증기탄토화담기포말조부등조시，유효억제화이용료기찬，제고료증기열능이용솔，개선료유층동용상황，유정적주기산유량화유기비균득도료제고。
Pal 601 block of Chunfeng Oilfield is a shallow, thin layer and ultra -heavy oil reservoir. As a result of high oil viscosity,formation heterogeneity and drilling trajectory, thermal interference has been emerged in 23 wells of 9 well groups of its north part in the early stage of development, which caused a serious impact on steam stimulation. So the combination of cyclic steam stimulation and nitrogen foam profile control were carried out, which has inhibited and utilized steam channeling effectively,improved heat efficiency, reservoir production and enhanced cyclic oil production and oil - steam ratio.
