探矿工程-岩土钻掘工程
探礦工程-巖土鑽掘工程
탐광공정-암토찬굴공정
EXPLORATION ENGINEERING (DRILLING & TUNNELING)
2014年
4期
5-9
,共5页
陈浩东%张勇%黄熠%邵诗军%鹿传世
陳浩東%張勇%黃熠%邵詩軍%鹿傳世
진호동%장용%황습%소시군%록전세
油基钻井液%易坍塌地层%高温高压井%超低压地层%储层保护%南海西部油气田
油基鑽井液%易坍塌地層%高溫高壓井%超低壓地層%儲層保護%南海西部油氣田
유기찬정액%역담탑지층%고온고압정%초저압지층%저층보호%남해서부유기전
oil base drilling fluid%easy-collapsed formation%HTHP%super-low pore pressure formation%reservoir protec-tion%oil and gas field in western South China Sea
油基钻井液成本高昂,但对在复杂地层进行的海洋钻井而言,依然具有水基钻井液不可比拟的优势。针对南海西部油气田3个高难度钻井区块钻井过程中遇到的工程难题,给出了相应的油基钻井液体系配方、性能和维护方法;阐述了不同海域含油钻屑的处理方法。钻井实践证明,油基钻井液体系不仅是易坍塌井、高温高压井及老油田超低压调整井钻井作业顺利进行的重要保障,而且具有良好的储层保护性能,有利于油气田的勘探和开发。
油基鑽井液成本高昂,但對在複雜地層進行的海洋鑽井而言,依然具有水基鑽井液不可比擬的優勢。針對南海西部油氣田3箇高難度鑽井區塊鑽井過程中遇到的工程難題,給齣瞭相應的油基鑽井液體繫配方、性能和維護方法;闡述瞭不同海域含油鑽屑的處理方法。鑽井實踐證明,油基鑽井液體繫不僅是易坍塌井、高溫高壓井及老油田超低壓調整井鑽井作業順利進行的重要保障,而且具有良好的儲層保護性能,有利于油氣田的勘探和開髮。
유기찬정액성본고앙,단대재복잡지층진행적해양찬정이언,의연구유수기찬정액불가비의적우세。침대남해서부유기전3개고난도찬정구괴찬정과정중우도적공정난제,급출료상응적유기찬정액체계배방、성능화유호방법;천술료불동해역함유찬설적처리방법。찬정실천증명,유기찬정액체계불부시역담탑정、고온고압정급로유전초저압조정정찬정작업순리진행적중요보장,이차구유량호적저층보호성능,유리우유기전적감탐화개발。
Although the cost of oil base drilling fluid is extremely high, it always has incomparable advantages compared with water base drilling fluid for the complex formation drilling in offshore.According to the difficulties encountered in 3 complex blocks of an oil and gas field in western South China Sea, corresponding oil base drilling fluid formula, perform-ance and maintenance methods are presented, the processing methods for oily drilling cuttings in different sea areas are dis-cussed.The drilling practice proves that oil base drilling fluid is not only a very important guarantee for smooth drilling op-eration in easy-collapsed wells, HTHP wells and super-low pore pressure adjustment wells in old oil field, but also has good reservoir protection performance for oilfield exploration and development.