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US 10,481,087 B2Granted
Simulated integrated computational elements and their applications
AssigneeHalliburton Energy Services, Inc.
InventorsLi Gao, David L. Perkins, Michael T. Pelletier, Christopher Michael Jones
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Abstract
A downhole system in which an agile light source is used to simulate an integrated optical element to measure one or more characteristics of a fluid in a wellbore.
Claims20
An optical measurement system comprising:
- a light source to provide an input light, the light source having a source controller circuit;
- a sample containment area;
- a detector configured to detect a sample light and produce a detector signal;
- a spectral profile for an integrated computational element;
- and
- a detector controller circuit configured to synchronize the input light and the detector and configured to implement the spectral profile, wherein the detector controller circuit is configured to provide and adjust in-situ a light signal to simulate the integrated computational element in a period of time with the input light,
- wherein the light signal is adjusted in-situ by way of the light source.
4 more elements
A light source for use in an optical measurement system, the light source comprising:
- a light emitting circuit having a pre-selected center wavelength, a pre-selected amplitude, and a bandwidth;
- and
- a controller circuit configured to provide and adjust in-situ a signal to the light emitting circuit to simulate an integrated computational element in a period of time with an input light;
- wherein the controller circuit comprises a memory circuit, the memory circuit comprising a spectral profile having a first spectral curve and a second spectral curve associated with the simulated integrated computational element.
1 more element
A method for measuring a desired property of a sample, the method comprising:
- selecting at least one an integrated computational element (ICE) spectral profile to measure the desired property;
- providing a driving signal with the ICE spectral profile to a light source, wherein the driving signal and light source are adjustable in-situ;
- providing an illumination light from the light source to the sample based on the ICE spectral profile;
- collecting a sample light in a detector;
- and
- processing the detector signal using a collection signal with the spectral profile.
3 more elements
An optical measurement system comprising:
- an alternative integrated computational element (ALICE) configured to provide an input light, the ALICE comprising a spectrally tunable light emitter and a spectral profile for an integrated computational element (ICE);
- a sample containment area;
- a detector configured to detect a sample light;
- and
- a detector controller circuit configured to synchronize the input light and the detector and further configured to implement the spectral profile such that the input light from the ALICE is adjustable in-situ and simulates an integrated computational element=wherein the input light from the ALICE is adjusted in-situ by way of the ALICE.
2 more elements
Dependencies are inferred from the claim text.