육상 석유 심부시추 기술 동향 및 적용사례
Current Technologies and Field Cases of Onshore Deep Oil Well Drilling
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초록
석유 심부시추는 천부시추와는 달리 시추 깊이가 깊어질수록 온도 및 압력의 증가로 작업이 어려운 환경에서 시추가 진행된다. 이로 인해 킥, 편향점착, 장비손상, 이수손실 등이 더 자주 발생할 가능성이 높아지므로 시추비용이 증가하고 작업중단기간이 매우 길어질 수 있다. 이러한 시추 환경을 극복하고 생산성을 향상시키기 위해서는 보다 향상된 장비와 기술이 필요하다. 이 연구에서는 석유 심부시추 기술 중 공내감압 시추법 및 압력제어 시추법과 적용사례인 멕시코의 Tizon Field, 베네수엘라의 El Furrial Field에 대해 알아보고자 한다. 또한 최신 석유 심부시추 기술인 케이싱 시추법, 확장성 파이프, Mud hammers, 이수 파동 시추법에 대해 소개하고자 한다.
Abstract
Unlike the shallow drilling, deep oil well drilling may be operated in the high formation pressure and high temperature conditions. In these drilling environments, kick, differential sticking, damage of drilling equipments or lost circulation may occur more frequently. Drilling cost and non-productive time could be increased accordingly. More improved equipments and technologies are required to overcome these difficulties and improve productivity while drilling deep formation. The goals of this study are to investigate current technologies for deep oil well drilling such as underbalanced drilling, managed pressure drilling, casing drilling, expandable tubular, mud hammers, mud-pulse drilling, and their applications at Tizon Field in Mexico and El Furrial Field in Venezuela.
참고문헌 (17)
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