بعض محتويات هذا التطبيق غير متوفرة في الوقت الحالي.
إذا استمرت هذه الحالة ، يرجى الاتصال بنا علىتعليق وإتصال
1. (WO2018045254) SYSTEMS AND METHODS FOR DETECTION OF MERCURY IN HYDROCARBON-CONTAINING FLUIDS USING OPTICAL ANALYSIS OF SLUG FLOW
ملاحظة: نص مبني على عمليات التَعرف الضوئي على الحروف. الرجاء إستخدام صيغ PDF لقيمتها القانونية

WHAT IS CLAIMED IS:

1. A system for detecting mercury in hydrocarbon-containing fluid, comprising:

a first reservoir storing a sample of the hydrocarbon-containing fluid;

a second reservoir storing a liquid phase reagent solution, wherein the liquid phase reagent solution includes nanoparticles with an affinity to mercury, wherein the nanoparticles are suspended as a colloid in the liquid phase reagent solution;

a fluidic device having a first input port, a second input port, and an output port, wherein the first input port is configured to receive a flow of the sample of the hydrocarbon-containing fluid delivered from the first reservoir, wherein the second input port is configured to receive a flow of the liquid phase reagent solution delivered from the second reservoir, and wherein the output port is configured to supply slug-flow produced by the fluidic device where the slug flow includes the sample of the

hydrocarbon-containing fluid and the liquid phase reagent solution; and

an optical analyzer configured to analyze the slug flow produced by the fluidic device to determine concentration of mercury in the sample of the hydrocarbon-containing fluid.

2. A system according to claim 1, further comprising:

a first pump configured to pump the sample hydrocarbon-containing fluid pumped from the first reservoir to the first input port of the fluidic device; and

a second pump configured to pump the liquid phase reagent solution from the second reservoir to the second input port of the fluidic device.

3. A system according to claim 1, wherein:

the liquid phase reagent solution includes water and water-soluble polymer that stabilizes the suspension of the nanoparticles in the liquid phase reagent solution at high temperature conditions.

4. A system according to claim 3, wherein:

the water-soluble polymer comprises at least one of poly(acrylic acid), poly(aciylamide-co-acrylic acid), poly(vinyl pyridine), poly(ethylene oxide), poly(vinyl alcohol), poly(4-styrene sulfonic acid), a poly (methacrylic acid), and poly (vinyl pyrrolidone).

5. A system according to claim 1, wherein:

the nanoparticles are formed from a noble metal, a silica core coated with a noble metal shell, a noble metal coated with a silica shell, or recursive layers of silica and a noble metal.

6. A system according to claim 1, wherein:

the nanoparticles have a concentration of up to 1 x 1015 nanoparticles/cm3 in the liquid phase reagent solution

7. A system according to claim 1, wherein:

The system is configured such that the slug flow produced by the fluidic device includes a liquid phase that carries amalgam nanoparticles that are suspended as a colloid in the liquid phase of the slug flow.

8. A system according to claim 1, wherein:

the system is configured such that the slug flow produced by the fluidic device is controlled by the flow rate of the hydrocarbon-containing fluid sample and the flow rate of the liquid phase reagent solution supplied to the fluidic device.

9. A system according to claim 8, wherein:

the system is configured to control the flow rate of the hydrocarbon-containing fluid sample and the flow rate of the liquid phase reagent solution supplied to the fluidic device according to fluid analysis that determines the appropriate class of fluid sample type and pump control settings that dictate the flow rate of the hydrocarbon-containing fluid sample and the flow rate of the liquid phase reagent solution for producing the desired slug flow.

10. A system according to claim 1, wherein:

the fluidic device includes a mixer section upstream from a reactor section, wherein the mixer section is configured to produce slug flow from the hydrocarbon-containing fluid sample and the liquid phase reagent solution introduced into the first and second input ports, and wherein the reactor section is configured to extract mercury of hydrocarbon-containing fluid sample where it adsorbs on the nanoparticles to form the amalgam nanoparticles contained in the slug flow.

11. A system according to claim 10, wherein:

the fluidic device further includes a third input port configured to receive a flow of a diluent and a diluter section upstream of the mixer section that dilutes the liquid phase reagent solution with the diluent introduced into the third input port; and

the mixer section is configured to produce slug flow from the hydrocarbon-containing fluid sample introduced into the first input port and the diluted liquid phase reagent solution produced by the diluter section.

12. A system according to claim 1, wherein:

the optical analyzer includes a flow-thru optical cell, a light source, and a detector.

13. A system according to claim 12, wherein:

the light source and the detector are configured to perform absorption

spectroscopy.

14. A system according to claim 13, wherein:

the detector is configured to measure the transmission spectrum of light for the slug flow passing through the flow-thru optical cell.

15. A system according to claim 14, wherein:

the optical analyzer further includes a data processing system configured to process the transmission spectrum to determine a shift in SPR peak wavelength and uses the shift in SPR peak wavelength to determine mercury concentration in the hydrocarbon-containing fluid sample.

16. A system according to claim 1, wherein:

the hydrocarbon-containing fluid sample is selected from: a gas phase fluid sample that includes gaseous hydrocarbons, a liquid phase fluid sample that includes oil, and a gas and liquid phase fluid sample including a mixture of gaseous hydrocarbons and oil.

17. A system according to claim 1, wherein the system is part of a downhole tool configured to determine mercury concentration in a sample of formation fluid collected by the downhole tool.

18. A system according to claim 1, wherein the system is part of a surface-located facility to determine mercury concentration in fluids produced from a production well.

19. A downhole tool comprising:

a probe and flowline, wherein the probe is configured to collect formation fluid that flows into the flowline; and

the system of claim 1, fluidly coupled to the flowline, wherein the system is configured to determine mercury concentration in a sample of the formation fluid that flows into the flowline.

20. A method for detecting mercury in hydrocarbon-containing fluid, comprising:

storing a sample of the hydrocarbon-containing fluid in a first reservoir;

storing a liquid phase reagent solution in a second reservoir, wherein the liquid phase reagent solution includes nanoparticles with an affinity to mercury, and wherein the nanoparticles are suspended as a colloid in the liquid phase reagent solution;

delivering the sample of the hydrocarbon-containing fluid from the first reservoir into a first port of a fluidic device while delivering the liquid phase reagent solution from the second reservoir into a second port of the fiuidic device such that the fiuidic device produces slug flow that includes the sample of the hydrocarbon-containing fluid and the liquid phase reagent solution; and

optically analyzing the slug flow produced by the fluidic device to determine concentration of mercury in the sample of the hydrocarbon-containing fluid.

21. A method according to claim 20, wherein:

the liquid phase reagent solution includes water and water-soluble polymer that stabilizes the suspension of the nanoparticles in the liquid phase reagent solution at high temperature conditions.

22. A method according to claim 21, wherein:

the water-soluble polymer comprises at least one of poly(acrylic acid), poly(aciylamide-co-acrylic acid), poly(vinyl pyridine), poly(ethylene oxide), poly(vinyl alcohol), poly(4-styrene sulfonic acid), a poly (methacrylic acid), and poly (vinyl pyrrolidone).

23. A method according to claim 20, wherein:

the nanoparticles are formed from a noble metal, a silica core coated with a noble metal shell, a noble metal coated with a silica shell, or recursive layers of silica and a noble metal.

24. A method according to claim 20, wherein:

the nanoparticles have a concentration of up to 1 x 1015 nanoparticles/cm3 in the liquid phase reagent solution

25. A method according to claim 20, wherein:

the slug flow produced by the fluidic device includes a liquid phase that carries amalgam nanoparticles that are suspended as a colloid in the liquid phase of the slug flow.

26. A method according to claim 25, wherein:

the slug flow produced by the fluidic device is controlled by the flow rate of the hydrocarbon-containing fluid sample and the flow rate of the liquid phase reagent solution supplied to the fluidic device.

27. A method according to claim 26, wherein:

the flow rate of the hydrocarbon-containing fluid sample and the flow rate of the liquid phase reagent solution supplied to the fluidic device are controlled according to fluid analysis that determines the appropriate class of fluid sample type and pump control settings that dictate the flow rate of the hydrocarbon-containing fluid sample and the flow rate of the liquid phase reagent solution for producing the desired slug flow.

28. A method according to claim 20, further comprising:

delivering a diluent into a third port of the fluidic device for dilution of the liquid phase reagent solution such that the fluidic device produces slug flow from the hydrocarbon-containing fluid sample and the diluted liquid phase reagent solution.

29. A method according to claim 20, wherein:

the optical analysis involves a flow-thru optical cell, a light source, and a detector.

30. A method according to claim 29, wherein:

the light source and the detector are configured to perform absorption

spectroscopy.

31. A method according to claim 29, wherein:

the detector measures the transmission spectrum of light for the slug flow passing through the flow-thru optical cell.

32. A method according to claim 29, wherein:

the optical analysis further involves processing the transmission spectrum to determine a shift in SPR peak wavelength and uses the shift in SPR peak wavelength to determine mercury concentration in the hydrocarbon-containing fluid sample.

33. A method according to claim 20, wherein:

the hydrocarbon-containing fluid sample is selected from: a gas phase fluid sample that includes gaseous hydrocarbons, a liquid phase fluid sample that includes oil, and a gas and liquid phase fluid sample including a mixture of gaseous hydrocarbons and oil.

34. A method according to claim 20, wherein the method is carried out by a downhole tool to determine mercury concentration in a sample of formation fluid collected by the downhole tool.

35. A method according to claim 20, wherein the method is carried out by a surface-located facility to determine mercury concentration in fluids produced from a production well.