调整水平井固井工艺技术
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摘要
实践证明水平井不仅可以成功地用于开采低渗透油藏、地层不整合油藏、裂缝性油藏及超薄油层,使油气产量大幅增加;而且能有效对老油气田再次进行勘探和开发,最大限度地把残余存油开采出来。A油田地质构造较为复杂,断层多,地层倾角大,地层压力层系错杂,低渗、多裂缝、薄油层油藏较多,地层富含盐膏层,漏失量大,固井难点多,固井效果难以提升。针对A油田特定区块较为复杂的地质构造,从固井工艺和完善水泥浆性能两方面进行了完善,旨在改善并提高A油区的固井质量。
The practice proves that the horizontal well not only can be successfully used in low permeability reservoirs, stratigraphic unconformity reservoirs, fractured reservoirs and thin oil reservoirs to greatly increase oil and gas production, but also can be efficiently used in exploration and development of old gas fields. A oilfield geological structure is relatively complex, the dip angle is large, the formation pressure layer system is heterogeneous; low permeability thin oil reservoirs are rich, there are rich salt paste layers in the formation, the loss is big, the cementing is difficult, it is difficult to improve cementing effect. According to specific block complex geological structure in A oilfield, the cementing technology and cement properties have been improved to increase the quality of cementing.
The practice proves that the horizontal well not only can be successfully used in low permeability reservoirs, stratigraphic unconformity reservoirs, fractured reservoirs and thin oil reservoirs to greatly increase oil and gas production, but also can be efficiently used in exploration and development of old gas fields. A oilfield geological structure is relatively complex, the dip angle is large, the formation pressure layer system is heterogeneous; low permeability thin oil reservoirs are rich, there are rich salt paste layers in the formation, the loss is big, the cementing is difficult, it is difficult to improve cementing effect. According to specific block complex geological structure in A oilfield, the cementing technology and cement properties have been improved to increase the quality of cementing.
引文
[1]支印民.杜229块超稠油油藏整体评价及开发技术对策研究[D].中国石油大学,2006.
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[5]田常铭.八面河地区固井综合技术应用分析[J].江汉石油科技,2010(09):25.
[6]万曦超,马超,贾全忠,路来宾.苏丹六区FN油田固井技术[J].中国石油和化工标准与质量,2013(17):177-178.
[7]罗德明,舒秋贵,姚勇,焦建芳.川西地区蓬莱镇组开发水平井固井难点及对策[J].钻采工艺,2014(2):28-30.
[8]游耀辉.多套压力层系固井技术的应用研究[D].大庆石油学院硕士论文,2008-06-10.
[9]王刚,康世柱,沈勇,王翱飞,李亮祖,谭靖儇.提高柴东气田天然气井固井质量技术[J].钻井液与完井液,2010(7):30.
[10]刘宏梁.埕海一区大位移井固井技术研究应用[C].中国石油工程学会,2011-09-01.
[2]陈向军,何正双.鄂、渝、川地区固井工艺技术探讨[J].西部探矿工程,2005(01):25.
[3]李庆平.我国水平井固井技术以及发展[J].中国石油和化工标准与质量,2014(10):246.
[4]刘华祺.长水平段水平井固井技术探讨[J].江汉石油职工大学学报,2014(1):36-38.
[5]田常铭.八面河地区固井综合技术应用分析[J].江汉石油科技,2010(09):25.
[6]万曦超,马超,贾全忠,路来宾.苏丹六区FN油田固井技术[J].中国石油和化工标准与质量,2013(17):177-178.
[7]罗德明,舒秋贵,姚勇,焦建芳.川西地区蓬莱镇组开发水平井固井难点及对策[J].钻采工艺,2014(2):28-30.
[8]游耀辉.多套压力层系固井技术的应用研究[D].大庆石油学院硕士论文,2008-06-10.
[9]王刚,康世柱,沈勇,王翱飞,李亮祖,谭靖儇.提高柴东气田天然气井固井质量技术[J].钻井液与完井液,2010(7):30.
[10]刘宏梁.埕海一区大位移井固井技术研究应用[C].中国石油工程学会,2011-09-01.