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NTIS 바로가기국가/구분 | United States(US) Patent 등록 |
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국제특허분류(IPC7판) |
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출원번호 | US-0993949 (1992-12-18) |
발명자 / 주소 |
|
출원인 / 주소 |
|
인용정보 | 피인용 횟수 : 32 인용 특허 : 0 |
Methods and apparatus are provided for programming a remotely controlled downhole tool after the tool is located at a downhole location within a well. Thus the tool is programmed to recognize a distorted form of a command signal after that command signal has traveled down through the well.
A method of remote control of a downhole tool in a well, comprising: (a) placing said downhole tool at a downhole location within said well, said downhole tool including a receiver for receiving remote command signals transmitted into said well and including a controller having memory; (b) introduci
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