최소 단어 이상 선택하여야 합니다.
최대 10 단어까지만 선택 가능합니다.
다음과 같은 기능을 한번의 로그인으로 사용 할 수 있습니다.
NTIS 바로가기다음과 같은 기능을 한번의 로그인으로 사용 할 수 있습니다.
DataON 바로가기다음과 같은 기능을 한번의 로그인으로 사용 할 수 있습니다.
Edison 바로가기다음과 같은 기능을 한번의 로그인으로 사용 할 수 있습니다.
Kafe 바로가기국가/구분 | United States(US) Patent 등록 |
---|---|
국제특허분류(IPC7판) |
|
출원번호 | US-0072290 (1993-06-07) |
우선권정보 | EP-0201669 (1992-06-09) |
발명자 / 주소 |
|
출원인 / 주소 |
|
인용정보 | 피인용 횟수 : 558 인용 특허 : 0 |
Method of completing an uncased section (10) of a borehole (1) in an underground formation (2) comprising the steps of: (a) placing at a predetermined position in the borehole (1) a slotted liner (11) provided with overlapping longitudinal slots (12); (b) fixing the upper end of the slotted liner (1
Method of completing an uncased section (10) of a borehole (1) in an underground formation (2) comprising the steps of: (a) placing at a predetermined position in the borehole (1) a slotted liner (11) provided with overlapping longitudinal slots (12); (b) fixing the upper end of the slotted liner (11); and (c) moving upwardly through the slotted liner (11) an upwardly tapering expansion mandrel (15) having a largest diameter which is larger than the inner diameter of the slotted liner (11).
A method of completing an uncased section of a borehole in an underground formation comprising the steps of: (a) placing at a predetermined position in the borehole a slotted liner provided with overlapping longitudinal slots; (b) fixing the slotted liner; and (c) moving through the slotted liner an
A method of completing an uncased section of a borehole in an underground formation comprising the steps of: (a) placing at a predetermined position in the borehole a slotted liner provided with overlapping longitudinal slots; (b) fixing the slotted liner; and (c) moving through the slotted liner an expansion mandrel which is tapered in the direction in which the mandrel is moved through the slotted liner, which mandrel has a largest diameter which is larger than the inner diameter of the slotted liner whereby the inner diameter of the slotted liner is increased to a diameter that is greater than the largest diameter of the mandrel and slots of the slotted liner are expanded.
Copyright KISTI. All Rights Reserved.
※ AI-Helper는 부적절한 답변을 할 수 있습니다.