# US 2025/0146997 A1 · Quantitative brine analysis for mineral extraction

> Agents: this data is available as JSON from the patentgrep API and MCP server — see https://patentgrep.com/llms.txt

- Number: US 2025/0146997 A1
- Document ID: US20250146997A1
- Status: Published application
- Kind: A1
- Application number: 18/935,785
- Filed: 2024-11-04
- Published: 2025-05-08
- Earliest claimed: 2023-11-03
- Assignees: Schlumberger Technology Corporation
- Applicants: Schlumberger Technology Corporation
- Inventors: Fazlollah Madani Sani; Sharad Dubey; Lothar Friberg; Prayag Vincent Biswal; Rithika Dsouza; Prasanna Nirgudkar
- Web page: https://patentgrep.com/patent/US20250146997A1

## CPC

- C02F 1/008: {Control or steering systems not provided for elsewhere in subclass C02F}
- C01D 15/02: Oxides; Hydroxides
- C01D 15/08: Carbonates; Bicarbonates
- C22B 3/24: by adsorption on solid substances, e.g. by extraction with solid resins
- C22B 26/12: Obtaining lithium
- G01N 33/1853: {Hardness of water}
- C02F 2301/043: Treatment of partial or bypass streams
- C22B 3/42: by ion-exchange extraction
- C22B 59/00: Obtaining rare earth metals
- G01N 33/1813: {Specific cations in water, e.g. heavy metals}
- Y02W 10/37: using solar energy
- C02F: TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE (separation in general B01D; special arrangements on waterborne vessels of installations for treating water, waste water or sewage, e.g. for producing fresh water, B63J; adding materials to water to prevent corrosion C23F; treating radioactively-contaminated liquids G21F9/04; regeneration of reactants for recirculation into processes, see the relevant places for the processes)
- C01D: COMPOUNDS OF ALKALI METALS, i.e. LITHIUM, SODIUM, POTASSIUM, RUBIDIUM, CAESIUM, OR FRANCIUM (metal hydrides {monoborane, diborane or addition complexes thereof} C01B6/00; salts of oxyacids of halogens C01B11/00; peroxides, salts of peroxyacids C01B15/00; sulfides C01B17/22; thiosulfates, dithionites, polythionates C01B17/64; compounds containing selenium or tellurium C01B19/00; binary compounds of nitrogen with metals C01B21/06; azides C01B21/08; {compounds other than ammonia and cyanogen, containing nitrogen and other non-metals C01B21/082}; metal amides C01B21/092; nitrites C01B21/50; phosphides C01B21/50; {compounds of noble gases C01B23/0005}; phosphides C01B25/08; salts of oxyacids of phosphorus C01B25/16; carbides C01B32/90; compounds containing silicon C01B33/00; compounds containing boron C01B35/00; cyanides C01C3/08; salts of cyanic acid C01C3/14; salts of cyanamide C01C3/16; thiocyanates C01C3/20)
- C22B: PRODUCTION AND REFINING OF METALS (electrolytic C25); PRETREATMENT OF RAW MATERIALS
- 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)
- Y02W: CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT

## Abstract

Certain aspects of the present disclosure provide quantitative brine analysis techniques for mineral extraction. A method includes obtaining parameters of a sample brine extracted from the aqueous source; determining a brine pretreatment score based on one or more of the parameters of the sample brine; determining a brine extraction score based on one or more of the parameters of the sample brine; determining a brine post-extraction score based on one or more of the parameters of the sample brine; determining a brine total score based on the brine pretreatment score, the brine extraction score, and the brine post-extraction score; and outputting a visualization of at least one of: the brine pretreatment score, the brine extraction score, the brine post-extraction score, or the brine total score to a display.

## Claims

### Claim 1

A method for assessing the quality of brines for mineral extraction comprising:
obtaining parameters of a sample brine extracted from an aqueous source;
determining a brine pretreatment score based on one or more of the parameters of the sample brine;
determining a brine extraction score based on one or more of the parameters of the sample brine;
determining a brine post-extraction score based on one or more of the parameters of the sample brine;
determining a brine total score based on the brine pretreatment score, the brine extraction score, and the brine post-extraction score; and
outputting a visualization of at least one of: the brine pretreatment score, the brine extraction score, the brine post-extraction score, or the brine total score to a display.

### Claim 2 (depends on 1)

The method of claim 1, wherein the obtaining the parameters of the sample brine extracted from the aqueous source comprises:
measuring, via one or more sensors, the parameters of the sample brine;
receiving an input indicating the measured parameters of the sample brine.

### Claim 3 (depends on 1)

The method of claim 1, wherein the parameters of the sample brine comprise a plurality of parameters, i, including a plurality of: a temperature of the sample brine, a total dissolved solids (TDS) of the sample brine, a pH level of the brine, a concentration of one or more components present in the sample brine, or a combination thereof.

### Claim 4 (depends on 1)

The method of claim 1, wherein the determining the brine pretreatment score, the brine extraction score, and the brine post-extraction score comprises, for each respective score:
for each parameter, i, of a total number of the parameters, n, applying a respective coefficient value based on whether or not the parameter influences the respective pre-treatment, extraction, or post-extraction processes;
applying a respective weight value to each of the respective coefficient values based on an impact or cost associated with the respective parameter for the respective process;
applying a respective function to each of the parameters based on the value of that parameter in the brine; and
determining the respective score based on the calculated values of the respective function over all of the parameters

### Claim 5 (depends on 4)

The method of claim 4, wherein:
the respective coefficient values is 0 if the parameter i as measured in the brine sample does not influence the respective process or 1 if the parameter i as measured in the brine sample influences the respective process; and
the respective weight value is based on at least one of: a cost of a brine treatment stage, a process efficiency, a capital cost, an operating cost, a technical feasibility, an environmental impact, an environment regulation, a different regulation, or a combination therefore, associated with the parameter.

### Claim 6 (depends on 4)

The method of claim 4, wherein the value of the respective coefficient for each parameter i is determined based on a comparison of a value of the parameter i to at least a threshold.

### Claim 7 (depends on 4)

The method of claim 4, further comprising determining the respective function for each of the parameters based on the quantity of the parameter associated with the brine sample and a plurality of empirical coefficients associated with the parameter.

### Claim 8 (depends on 4)

The method of claim 4, wherein the determining the brine pretreatment score based on the one or more parameters of the sample brine comprises applying the respective coefficient values based on whether or not the parameter is harmful to a sorbent material used for a mineral extraction process for a brine associated with the parameter.

### Claim 9 (depends on 8)

The method of claim 8, wherein the determining the brine pretreatment score comprises computing the brine pretreatment score as:
PTS
=
100
×
(
1
-
∑
i
=
1
n
⁢
S
i
⁢
W
i
⁢
P
i
∑
i
=
1
n
⁢
W
i
)
,
wherein Si is the respective coefficient value, Wi is the respective weight value, and Pi is the respective function applies to the parameters.

### Claim 10 (depends on 4)

The method of claim 4, wherein the determining the brine extraction score based on the one or more parameters of the sample brine comprises applying the respective coefficient value based on whether or not the parameter affects the mineral extraction process for a brine associated with the parameter.

### Claim 11 (depends on 10)

The method of claim 10, wherein the determining the brine extraction score comprises computing the extraction score as:
ES
=
100
×
(
∑
i
=
1
n
⁢
S
i
′
⁢
W
i
′
⁢
P
i
′
∑
i
=
1
n
⁢
W
i
′
)
,
wherein Si′ is the respective coefficient value, Wi′ is the respective weight value, and wherein Pi′ is the respective function applied to the parameters.

### Claim 12 (depends on 4)

The method of claim 4, wherein the determining the brine post-extraction score based on the one or more parameters of the sample brine comprises applying the respective coefficient value based on whether or not the parameter affects the post-extraction stages for a brine associated with the parameter.

### Claim 13 (depends on 12)

The method of claim 12, wherein the determining the brine post-extraction score comprises computing the brine post-extraction score as:
PES
=
100
×
(
1
-
∑
i
=
1
n
⁢
S
i
″
⁢
W
i
″
⁢
P
i
″
∑
i
=
1
n
⁢
W
i
″
)
,
wherein Si″ is the respective coefficient value, Wi″ is the respective weight value, and wherein Pi″ is the respective function applied to the parameters.

### Claim 14 (depends on 1)

The method of claim 1, wherein the determining the brine total score comprises:
applying a first weight value to the brine pre-treatment score;
applying a second weight value to the brine extraction score;
applying a third weight value to the brine post-extraction score; and
determining the brine total score as a weighted average of the brine pre-treatment subscore, the brine extraction subscore, and the brine post-extraction subscore.

### Claim 15 (depends on 1)

The method of claim 1, wherein the visualization comprises a geographic map overlaid with indicators, or one or more charts organized based on different filters such as country, state, basin, region, formation, and reserve, of respective brine pretreatment scores, brine extraction scores, brine post-extraction scores, or brine total scores at a plurality of respective geographic locations of a plurality of brines on the geographic map.

### Claim 16 (depends on 1)

The method of claim 1, wherein the visualization comprises a geographic map overlaid with indicators, or one or more charts organized based on different filters such as country, state, basin, region, formation, and reserve, of respective brine feasibility for mineral extraction at a plurality of respective geographic locations of a plurality of brines on the geographic map.

### Claim 17 (depends on 1)

The method of claim 1, further comprising selecting the brine for performing the mineral extraction based on the total score.

### Claim 18 (depends on 1)

The method of claim 1, further comprising selecting one or more brine pre-treatments to perform before the mineral extraction process based on the brine pre-treatment score.

### Claim 19 (depends on 1)

The method of claim 1, further comprising selecting one or more brine post-processing treatments to perform after, or as part of, the mineral extraction process based on the brine post-processing score.

### Claim 20

A non-transitory computer-readable medium storing computer-executable code, the computer-executable code comprising:
code for obtaining parameters of a sample brine extracted from the aqueous source;
code for determining a brine pretreatment score based on one or more of the parameters of the sample brine;
code for determining a brine extraction score based on one or more of the parameters of the sample brine;
code for determining a brine post-extraction score based on one or more of the parameters of the sample brine;
code for determining a brine total score based on the brine pretreatment score, the brine extraction score, and the brine post-extraction score; and
code for outputting a visualization of at least one of: the brine pretreatment score, the brine extraction score, the brine post-extraction score, or the brine total score to a display.
