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US 2015/0090494 A1Published application
Rfid device for use downhole
AssigneeWeatherford/Lamb, Inc.
InventorsAlexander A. Lazarev, Albert C. Odell, II, Iain Macleod, Marius Raducanu
Life of this patent
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Abstract
In one embodiment, a radio-frequency identification device for use in a wellbore includes a housing made of a polymer; and an antenna disposed in the housing. The polymer may be selected from the group consisting of an elastomer, a plastic, a rubber, a thermoplastic elastomer, and combinations thereof. The RFID device may also include a fill material disposed in the housing.
Claims25
A radio-frequency identification device for use in a wellbore, comprising:
- a housing made of a polymer;
- and
- an antenna disposed in the housing.
A method of drilling a wellbore, comprising:
- running a drilling assembly into the wellbore through a casing string, the drilling assembly comprising a tubular string, a MWD tool or LWD tool, a first underreamer, a second underreamer, and a drill bit;
- injecting drilling fluid through the tubular string and rotating the drill bit, wherein at least one of the first and second underreamers remain locked in the retracted position;
- sending an instruction signal to the first underreamer, thereby extending the first underreamer;
- and
- reaming the wellbore using the first underreamer.
2 more elements
Dependencies are inferred from the claim text.