永553低渗砂砾岩区块一体化(IPM)钻井技术
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摘要
永安油田永553区块目的层为沙四段,以含砾砂岩、砾岩为主,为低孔低渗油藏。前期施工井存在钻进速度慢、开采程度低、经济效益差等特点。针对永553低渗区块开发现状及开发难点,对该区块进行了一体化(IPM)钻井方案设计,并对钻井设计进行了优化。通过优化钻井技术,钻井提速明显,提高了井身质量,延长了油井寿命。永553低渗区块IPM钻井项目的成功实施,说明IPM钻井模式对于提高油井质量、节约钻井成本、提高经济效益是行之有效的。
The target section of Yong 553 block in Yong'an oilfield is Sha-4,low permeability reservoir mainly containing glutenite and conglomerate. There are problems such as low drilling efficiency,low exploitation degree and poor economic benefit in early construction. To realize overall high quality and efficient development in Yong 553 block of Yong'an oilfield,IMP was carried out. The overall development program was designed for low permeability 553 block according to the development status and difficulties. By optimizing drilling design,the drilling efficiency was obviously improved with higher quality of wellbore and longer service life of oil well. The successful practice of IPM in Yong 553 low permeability block shows that IPM drilling model is an effective way to improve the quality of oil well,save drilling cost and increase economic efficiency.
The target section of Yong 553 block in Yong'an oilfield is Sha-4,low permeability reservoir mainly containing glutenite and conglomerate. There are problems such as low drilling efficiency,low exploitation degree and poor economic benefit in early construction. To realize overall high quality and efficient development in Yong 553 block of Yong'an oilfield,IMP was carried out. The overall development program was designed for low permeability 553 block according to the development status and difficulties. By optimizing drilling design,the drilling efficiency was obviously improved with higher quality of wellbore and longer service life of oil well. The successful practice of IPM in Yong 553 low permeability block shows that IPM drilling model is an effective way to improve the quality of oil well,save drilling cost and increase economic efficiency.
引文
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[2]淩立苏,张伟,徐新纽,等.石油钻探一体化管理模式的探索与实践[J].科技创业,2011,7(7):75-76.
[3]李新红,陈余万,蔡刚.W2低渗—特低渗油藏高速高效开发实践[J].钻采工艺,2003,40(4):40-43.
[4]梁柱,申志军,齐梅,等.宝浪油田低渗油藏高效开发技术研究[J].西南石油大学学报,2007,29(2):100-102.
[5]李道品.低渗透砂岩油田开发[M].北京:石油工业出版社,1997.
[6]张英芝.特低渗透油藏开发技术研究[M].北京:石油工业出版社,2005.
[7]孙焕泉,杨勇.低渗透砂岩油藏开发技术[M].北京:石油工业出版社,2008.
[8]尹祥翔,刘林泉,柯贤贵,等.砂砾岩稠油油藏储层伤害机理研究[J].新疆石油天然气,2013,60(4):60-63.
[9]张云鹏,卢宗盛,王玉娟,等.辽河油田沈95块储层伤害研究[J].岩石矿物学杂志,2008,27(3):109-115.
[10]戎克生,李建国,徐生江,等.准格尔盆地砂砾岩气层钻井中的储层保护技术[J].天然气工业,2012,32(2):63-66.
[11]郑淑杰,窦同伟,丁丽芳,等.理想充填理论在大港油田的应用[J].钻井液与完井液,2009,26(2):123-125.
[12]马平平,熊开俊,杨荣奎,等.理想充填理论在吐哈油田温西三区块的应用[J].天然气勘探与开发,2012,35(2):57-60.
[13]孟尚志,鄢捷年,艾贵成,等.理想充填暂堵新方法在昆2井储层保护中的应用[J].天然气工业,2007,27(8):79-81.
[14]张凤英,鄢捷年,杨光,等.理想充填暂堵新方法在吐哈丘东低渗透气田的应用[J].钻采工艺,2009,32(6):88-90.
[15]鄢捷年,王建华,张金波.优选钻井液中暂堵剂颗粒尺寸的理想充填新方法[J].石油天然气学报,2007,29(4):129-135.