검색연산자 | 기능 | 검색시 예 |
---|---|---|
() | 우선순위가 가장 높은 연산자 | 예1) (나노 (기계 | machine)) |
공백 | 두 개의 검색어(식)을 모두 포함하고 있는 문서 검색 | 예1) (나노 기계) 예2) 나노 장영실 |
| | 두 개의 검색어(식) 중 하나 이상 포함하고 있는 문서 검색 | 예1) (줄기세포 | 면역) 예2) 줄기세포 | 장영실 |
! | NOT 이후에 있는 검색어가 포함된 문서는 제외 | 예1) (황금 !백금) 예2) !image |
* | 검색어의 *란에 0개 이상의 임의의 문자가 포함된 문서 검색 | 예) semi* |
"" | 따옴표 내의 구문과 완전히 일치하는 문서만 검색 | 예) "Transform and Quantization" |
국가/구분 | United States(US) Patent 등록 |
---|---|
국제특허분류(IPC7판) | E02B-017/00 E21B-007/12 |
미국특허분류(USC) | 405/2242 ; 405/1951 ; 405/224 ; 405/2231 |
출원번호 | US-0013008 (1993-02-03) |
발명자 / 주소 | |
인용정보 | 피인용 횟수 : 17 인용 특허 : 0 |
A deep water platform, suitable for use as a hydrocarbon exploration or production facility in very deep offshore waters, and a method of constructing the same are shown. The platform is positioned on top of flexible, buoyant piles made of large diameter, high strength steel tubing. A watertight bulkhead is located within the pile and the portion of the pile below is filled with seawater, while the portion above the bulkhead is substantially empty and in communication with the atmosphere. The bulkhead is positioned to cause the pile to have a predetermin...
A deep water support system for supporting a structure adjacent to the surface of a body of water at a preselected site, comprising; a buoyant pile having a lower end rigidly anchored to the bottom of said body of water, said pile being of a length greater than the depth of said body of water at said site, bending member means coupled to the upper end of said pile for securing said structure and for resisting any departure from the vertical of the portion of said upper end of said pile above the surface of said body of water, a plurality of tendons coupl...