2022
DOI: 10.1007/s13202-021-01422-9
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High-resolution pressure transducer design and associated circuitry to build a network-ready smart sensor for distributed measurement in oil and gas production wells

Abstract: Miniaturized single-mode thickness-shear pressure transducer combined with high-temperature SOI, silicon on insulator, integrated circuit technology is proposed as network-ready high-pressure high-resolution smart sensor for distributed data acquisition in oil and gas production wells. The transducer miniaturization is investigated with a full 3D computer model previously developed by the authors to assess the impact of intrinsic losses and various geometrical features on transducer performance. Over the last … Show more

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Cited by 5 publications
(4 citation statements)
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References 38 publications
(32 reference statements)
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“…A single piece of crystalline quartz is used to construct the resonator and cylinder, and, consequently, the periphery of the former will be uniformly and elastically stressed by the external pressure [ 20 ]. The cylindrical walls act as a diaphragm, effectively transferring and concentrating the stress from the external pressure radially about the periphery of the resonator [ 12 ]. This process attenuates hysteresis errors, unlike the conventional method that applies force with anvils at the resonator’s edge, leading to localized stress concentration that is the primary cause of hysteresis [ 21 ].…”
Section: Methodsmentioning
confidence: 99%
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“…A single piece of crystalline quartz is used to construct the resonator and cylinder, and, consequently, the periphery of the former will be uniformly and elastically stressed by the external pressure [ 20 ]. The cylindrical walls act as a diaphragm, effectively transferring and concentrating the stress from the external pressure radially about the periphery of the resonator [ 12 ]. This process attenuates hysteresis errors, unlike the conventional method that applies force with anvils at the resonator’s edge, leading to localized stress concentration that is the primary cause of hysteresis [ 21 ].…”
Section: Methodsmentioning
confidence: 99%
“…The active compensation method is described from the perspective of signal processing and involves the following points: Fabricating temperature-sensitive circuitry to generate temperature-dependent electrical signals, which are used by high-precision logic devices or ASIC to compensate for the output signals from the resonator, thus reducing the temperature drift of the sensor [ 10 , 11 ]; Establishing the mapping relationship between the physical parameters, i.e., pressure and sensor signals, as well as the temperature information, which is known as multiple regression analysis in statistics [ 12 , 13 ]. …”
Section: Introductionmentioning
confidence: 99%
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“…The AIZ ΔP decreases more quickly with increasing distance from the injector. The AIZ ΔP is less than 4 kPa when the distance is larger than 880 m. The detection limit to pressure variations depends on: (1) pressure transducer resolution, usually about (maximum pressure)×10 -6 (Santos & Silva, 2022), and (2) background electrical and mechanical noise. For example, the maximum pressure resolution possible for a transducer with 10 -6 resolution rated to 100 MPa is ~0.1 kPa.…”
Section: Pressure Increases Above a Fully Covering Caprockmentioning
confidence: 99%