Contrast component coating for sensor analysis

1 . A contrast device for determining at least one property of a wellbore fluid from a first contrast agent and at least a second contrast agent, the device comprising:

a disposable insertable structure comprising at least one crosslinked substrate;

a support, wherein the at least one crosslinked substrate is adhered to the support, wherein the support is selectively permeable to one or more analytes within the wellbore fluid, and wherein the support is more resilient than the substrate;

the first contrast agent adhered to at least one crosslinked substrate, wherein the first contrast agent is configured to respond to the one or more analytes thereby altering a measurable characteristic of the contrast device; and

at least the second contrast agent juxtaposed in the contrast device and adhered to at least one crosslinked substrate, wherein the second contrast agent is configured to respond to the one or more analytes thereby altering a measurable characteristic of the contrast device,

wherein the first contrast agent and the second contrast agent adhered to different locations on the crosslinked substrate, and

wherein sensitivity of the second contrast agent to at least one of the one or more analytes is different from that of the first contrast agent.

2 . The device according to claim 1 , wherein the substrate comprises a crosslinked silicone and/or a crosslinked silane.

3 . The device according to claim 1 , wherein the first contrast agent is dispersed throughout at least one crosslinked substrate.

4 . The device according to claim 3 , wherein the support is a porous support having a mesh size of 1 to 150 microns.

5 . The device according to claim 1 , wherein the disposable insertable structure is removably installed in a probe path of a wellbore sensor.

6 . The device according to claim 1 , wherein a wellbore sensor attached to the disposable insertable structure is an acoustic sensor, an NMR sensor, a dielectric sensor, an optical sensor, or a resistivity sensor.

7 . The device according to claim 1 , wherein the substrate comprises a hydrophilic component.

8 . The device according to claim 1 , wherein the substrate comprises a hydrophobic component.

9 . The device according to claim 1 , wherein the substrate comprises at least one polymer.

10 . The contrast device of claim 1 , wherein the at least an analyte comprises at least one analyte selected from the group consisting of an elemental ion, a polyatomic ion, pH, a neutral component, and any combination thereof.

11 . The contrast device of claim 1 , wherein the at least an analyte comprises at least one analyte selected from the group consisting of Na, K, Ca, Mg, H, Cl, Br, I, S, SO 4 , CO 3 , HCO 3 , H 2 S, CO 2 , an amine, and any combination thereof.

12 . A system for determining at least one property of a wellbore fluid from a first contrast agent and at least a second contrast agent, the system comprising:

a wellbore fluid comprising at least an analyte;

a contrast device in fluid communication with the wellbore fluid, the contrast device comprising:

a disposable insertable structure comprising at least one crosslinked substrate;

a support, wherein the support is adhered to at least one crosslinked substrate, wherein the support is selectively permeable to at least one analyte, and wherein the support is more resilient than the substrate;

the first contrast agent adhered to at least one crosslinked substrate, wherein the first contrast agent is configured to respond to at least one analyte thereby altering a first measurable characteristic of the system;

at least the second contrast agent juxtaposed in the contrast device and adhered to at least one crosslinked substrate, wherein the second contrast agent is configured to respond to at least one analyte thereby altering the first and/or a second measurable characteristic of the system, wherein sensitivity of the second contrast agent to the at least one analyte is different from that of the first contrast agent,

wherein the first contrast agent and the second contrast agent adhered to different locations on the crosslinked substrate;

an energy source configured to transfer energy to or through the contrast device; and

a detector configured to detect or measure the first and/or the second measurable characteristic of the system.

13 . The system according to claim 12 , wherein the contrast device is a disposable insertable structure removably installed between the energy source and the detector.

14 . The system according to claim 12 , further comprising at least one wellbore sensor selected from the group consisting of an acoustic sensor, an NMR sensor, a dielectric sensor, and a resistivity sensor, and an optical sensor, wherein the first contrast agent comprises a metal porphyrin.

15 . The system according to claim 14 , wherein the energy source is configured to produce electromagnetic radiation having wavelengths from 400 nm to 8000 nm.

16 . The system of claim 14 , wherein the metal porphyrin is chelated with at least one metal ion selected from the group consisting of Gd, Mn, Fe, Cu, and any combination thereof, wherein the one or more analytes comprise hydrogen sulfide, wherein the metal porphyrin comprises cobalt (II) phthalocyanine, wherein the disposable insertable structure is a cartridge, wherein the contrast device is operable to deconvolute an influence of an interfering analyte, and wherein the cartridge is attached to a filter array or a waveguide.

17 . The system according to claim 12 , wherein the first contrast agent is dispersed within at least one crosslinked substrate in an amount between 50 and 500 ppm.

18 . A method of determining at least one property of a wellbore fluid from a first contrast agent and at least a second contrast agent, the method comprising:

removably installing a contrast device within a probe path of a wellbore sensor, the contrast device comprising at least one crosslinked substrate with a support adhered thereto, wherein the contrast device comprises the first contrast agent and at least the second contrast agent juxtaposed in the contrast device, wherein a sensitivity of the first contrast agent is different than a sensitivity of the second contrast agent to one or more analytes of the wellbore fluid, the first contrast agent being configured to respond to the one or more analytes thereby altering a measurable characteristic of the contrast device, wherein the support is more resilient than the substrate, wherein the support is selectively permeable to at least one of the one or more analytes, and wherein the juxtaposition comprises at least the first and second contrast agents separately incorporated into distinct substrates;

contacting the wellbore fluid with the contrast device such that the one or more analytes contact the first contrast agent and at least the second contrast agent; and

measuring, using the wellbore sensor, the altered measurable characteristic of the contrast device.

19 . The method according to claim 18 , wherein the wellbore sensor is an optical sensor, an acoustic sensor, an NMR sensor, a dielectric sensor, or a resistivity sensor.

20 . The method according to claim 18 , further comprising forming the contrast device, wherein forming the contrast device comprises:

mixing a silane or silicone prepolymer with at least the first contrast agent to form a contrast agent mixture; and

crosslinking the contrast agent mixture.

21 . The method according to claim 20 , wherein forming the contrast device further comprises:

after crosslinking the contrast agent mixture, adhering the crosslinked contrast agent mixture to the support; or

before crosslinking the contrast agent mixture, applying the contrast agent mixture to the support.

22 . The method according to claim 18 , further comprising removing and replacing the contrast device.

23 . The method according to claim 18 , further comprising adjusting, in response to the measurement of the characteristic, at least one drilling or production parameter.