Use of micro-electro-mechanical systems (MEMS) in well treatments
First Claim
1. A method of servicing a wellbore, comprising:
- placing a plurality of Micro-Electro-Mechanical System (MEMS) sensors in a wellbore composition;
pumping the wellbore composition into the wellbore at a flow rate;
determining velocities of the MEMS sensors along a length of the wellbore; and
determining an approximate cross-sectional area profile of the wellbore along the length of the wellbore from at least the velocities of the MEMS sensors and the fluid flow rate.
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Abstract
A method of servicing a wellbore, comprising placing a plurality of Micro-Electro-Mechanical System (MEMS) sensors in a wellbore composition, pumping the wellbore composition into the wellbore at a flow rate, determining velocities of the MEMS sensors along a length of the wellbore, and determining an approximate cross-sectional area profile of the wellbore along the length of the wellbore from at least the velocities of the MEMS sensors and the fluid flow rate. A method of servicing a wellbore, comprising placing a plurality of Micro-Electro-Mechanical System (MEMS) sensors in a wellbore composition, pumping the wellbore composition into the wellbore, determining positions of the MEMS sensors relative to one or more known positions along a length of the wellbore, and determining an approximate cross-sectional area profile of the wellbore along the length of the wellbore from at least the determined positions of the MEMS sensors.
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Citations
24 Claims
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1. A method of servicing a wellbore, comprising:
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placing a plurality of Micro-Electro-Mechanical System (MEMS) sensors in a wellbore composition; pumping the wellbore composition into the wellbore at a flow rate; determining velocities of the MEMS sensors along a length of the wellbore; and determining an approximate cross-sectional area profile of the wellbore along the length of the wellbore from at least the velocities of the MEMS sensors and the fluid flow rate. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15)
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16. A method of servicing a wellbore, comprising:
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placing a plurality of Micro-Electro-Mechanical System (MEMS) sensors in a wellbore composition; pumping the wellbore composition into the wellbore; determining positions of the MEMS sensors relative to one or more known positions along a length of the wellbore; and determining an approximate cross-sectional area profile of the wellbore along the length of the wellbore from at least the determined positions of the MEMS sensors. - View Dependent Claims (17, 18, 19, 20)
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21. A method of servicing a wellbore, comprising:
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placing a plurality of Micro-Electro-Mechanical System (MEMS) sensors in a sealant; placing the sealant in an annulus disposed between a wall of the wellbore and a casing positioned in the wellbore; allowing the sealant to cure to form a sealant sheath; determining spatial coordinates of the MEMS sensors with respect to the casing; and mapping planar coordinates of the MEMS sensors in a plurality of cross-sectional planes.
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22. A method of servicing a wellbore, comprising:
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placing a plurality of Micro-Electro-Mechanical System (MEMS) sensors in a wellbore composition, wherein one or more of the MEMS sensors is uniquely identified; pumping the wellbore composition into the wellbore at a flow rate; determining positions of the uniquely identified MEMS sensors relative to one or more known positions along a length of the wellbore; and determining a decrease in the flow rate of the wellbore composition based upon the positions of the uniquely identified MEMS sensors. - View Dependent Claims (23, 24)
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Specification