# US 2013/0155408 A1 · Methods of analyzing a reservoir fluid sample using a multivariate optical element calculation device > Agents: this data is available as JSON from the patentgrep API and MCP server — see https://patentgrep.com/llms.txt - Number: US 2013/0155408 A1 - Document ID: US20130155408A1 - Status: Published application - Kind: A1 - Application number: 13/542,078 - Filed: 2012-07-05 - Published: 2013-06-20 - Earliest claimed: 2011-12-14 - Assignees: Halliburton Energy Services, Inc. - Inventors: Cyrus A. IRANI - Web page: https://patentgrep.com/patent/US20130155408A1 ## CPC - G01N 21/552: Attenuated total reflection - E21B 49/08: Obtaining fluid samples or testing fluids, in boreholes or wells - E21B 49/0875: {determining specific fluid parameters} - G01N 21/31: Investigating relative effect of material at wavelengths characteristic of specific elements or molecules, e.g. atomic absorption spectrometry {(G01N21/72 takes precedence)} - G01N 21/3577: for analysing liquids, e.g. polluted water - G01N 21/3504: for analysing gases, e.g. multi-gas analysis - G01N: INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES (measuring or testing apparatus or processes other than immunoassay, involving enzymes or microorganisms C12M, C12Q) - E21B: EARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS ## Abstract A method of analyzing a fluid sample from a reservoir comprises: collecting the sample in a sampling container, wherein the sample container includes a sample receptacle, and wherein the step of collecting comprises allowing or causing the sample to flow into the sample receptacle; and determining at least one property of the sample, wherein the step of determining comprises using a multivariate optical element (MOE) calculation device, and wherein the step of determining is performed during the step of collecting and wherein the MOE calculation device is located at one end of the sample receptacle, or the step of determining is performed after the step of collecting. The sample is analyzed as the sample flows into the sample container or as the sample is being transferred from the sample container into a container. ## Claims ### Claim 1 A method of analyzing a fluid sample from an oil or gas reservoir comprising: collecting the sample in a sample container, wherein the step of collecting includes placing the sample container into a well, wherein the well penetrates a subterranean formation, wherein the oil or gas reservoir is the subterranean formation or is located adjacent to the subterranean formation, wherein the sample container includes a sample receptacle, and wherein the step of collecting comprises allowing or causing the sample to flow into the sample receptacle; removing the sample container from the well, wherein the step of removing is performed after the step of collecting; retrieving the sample receptacle from the sample container, wherein the step of retrieving is performed after the step of removing; and determining at least one property of the sample, wherein the step of determining comprises using a multivariate optical element (MOE) calculation device, and wherein the step of determining is performed during or after the step of collecting. ### Claim 2 A method of analyzing a fluid sample from an oil or gas reservoir comprising: collecting the sample in a sample container, wherein the step of collecting includes placing the sample container into a well, wherein the well penetrates a subterranean formation, wherein the oil or gas reservoir is the subterranean formation or is located adjacent to the subterranean formation, wherein the sample container includes a sample receptacle, wherein the step of collecting comprises allowing or causing the sample to flow into the sample receptacle, and wherein the sample is contained inside the sample receptacle until such time when it is desirable to remove the sample from the sample receptacle; removing the sample container from the well, wherein the step of removing is performed after the step of collecting; and determining at least one property of the sample, wherein the step of determining comprises using a multivariate optical element (MOE) calculation device, and wherein the step of determining is performed during or after the step of collecting. ### Claim 3 A method of analyzing a fluid sample from an oil or gas reservoir comprising: collecting the sample in a sample container, wherein the step of collecting includes placing the sample container into a well, wherein the well penetrates a subterranean formation, wherein the oil or gas reservoir is the subterranean formation or is located adjacent to the subterranean formation, wherein the sample container includes a sample receptacle, and wherein the step of collecting comprises allowing or causing the sample to flow into the sample receptacle; removing the sample container from the well; wherein the step of removing is performed after the step of collecting; and determining at least one property of the sample, wherein the step of determining comprises using a multivariate optical element (MOE) calculation device, and wherein the step of determining is performed during the step of collecting, and wherein the MOE calculation device is located at one end of the sample receptacle. ### Claim 4 (depends on 3) The method according to claim 3, wherein the sample is a reservoir fluid. ### Claim 5 (depends on 3) The method according to claim 3, wherein the at least one property of the sample is selected from the group consisting of: asphaltenes; saturates; resins; aromatics; solid particulate content; hydrocarbon composition and content; gas composition C1-C13 and content; carbon dioxide; hydrogen sulfide gas; and correlated pressure, volume, temperature properties including gas-to-oil ratio, bubble point, density, a petroleum formation factor, viscosity, a gas component of a gas phase of a petroleum, total stream percentage of water, gas, oil, solid particles, solid types, oil finger printing, reservoir continuity, oil type; and water elements including ion composition and content, anions, cations, salinity, organics, pH, mixing ratios, tracer components, contamination; or other hydrocarbon, gas, solids, or water properties that can be related to spectral characteristics using regression methods. ### Claim 6 (depends on 3) The method according to claim 3, wherein the MOE calculation device comprises: a light source; a multivariate optical element (MOE); a reflected light detector, wherein the reflected light detector detects light reflected from MOE; and a transmitted light detector, wherein the transmitted light detector detects light transmitted by MOE. ### Claim 7 (depends on 6) The method according to claim 6, wherein the sample is located between the light source and the MOE. ### Claim 8 (depends on 6) The method according to claim 6, wherein the sample is located adjacent to the light source and the MOE. ### Claim 9 A method of analyzing a fluid sample from an oil or gas reservoir comprising: collecting the sample from a well in a sample container, wherein the well penetrates a subterranean formation, and wherein the oil or gas reservoir is the subterranean formation or is located adjacent to the subterranean formation; and determining two or more properties of the sample, (A) wherein the step of determining comprises using a multivariate optical element (MOE) calculation device, wherein the step of determining is performed during or after the step of collecting, (B) wherein the two or more properties of the sample are selected from the group consisting of: asphaltenes; saturates; resins; aromatics; solid particulate content; hydrocarbon composition and content; gas composition C1-C13 and content; carbon dioxide; hydrogen sulfide gas; and correlated pressure, volume, temperature properties including gas-to-oil ratio, bubble point, density, a petroleum formation factor, viscosity, a gas component of a gas phase of a petroleum, total stream percentage of water, gas, oil, solid particles, solid types, oil finger printing, reservoir continuity, oil type; and water elements including ion composition and content, anions, cations, salinity, organics, pH, mixing ratios, tracer components, contamination; or other hydrocarbon, gas, solids, or water properties that can be related to spectral characteristics using regression methods, and (C) wherein the MOE calculation device is designed such that it is capable of determining the two or more properties of the sample. ### Claim 10 A method of analyzing a fluid sample from an oil or gas reservoir comprising: collecting the sample from a well in a sample container, wherein the well penetrates a subterranean formation, and wherein the oil or gas reservoir is the subterranean formation or is located adjacent to the subterranean formation; transferring the sample from the sample container to a container, wherein the step of transferring is performed after the step of collecting; and determining at least one property of the sample, wherein the step of determining comprises using a multivariate optical element (MOE) calculation device, and wherein the step of determining is performed during or after the step of collecting. ### Claim 11 (depends on 10) The method according to claim 10, wherein the step of determining the at least one property of the sample is performed during the step of transferring the sample. ### Claim 12 (depends on 11) The method according to claim 11, wherein the sample is transferred to the container via a transfer tube. ### Claim 13 (depends on 12) The method according to claim 12, wherein one or more MOE calculation devices are positioned adjacent to the transfer tube. ### Claim 14 (depends on 10) The method according to claim 10, wherein the sample is a reservoir fluid. ### Claim 15 (depends on 10) The method according to claim 10, wherein the MOE calculation device comprises: a light source; a multivariate optical element (MOE); a reflected light detector, wherein the reflected light detector detects light reflected from MOE; and a transmitted light detector, wherein the transmitted light detector detects light transmitted by MOE. ### Claim 16 (depends on 15) The method according to claim 15, wherein the sample is located between the light source and the MOE. ### Claim 17 (depends on 15) The method according to claim 15, wherein the sample is located adjacent to the light source and the MOE. ### Claim 18 (canceled)