CN104374868A - Method for detecting content of microsphere mobile gel in produced liquid and application thereof - Google Patents
Method for detecting content of microsphere mobile gel in produced liquid and application thereof Download PDFInfo
- Publication number
- CN104374868A CN104374868A CN201410705366.9A CN201410705366A CN104374868A CN 104374868 A CN104374868 A CN 104374868A CN 201410705366 A CN201410705366 A CN 201410705366A CN 104374868 A CN104374868 A CN 104374868A
- Authority
- CN
- China
- Prior art keywords
- microballoon
- ammonium sulfate
- concentration
- produced liquid
- iron ammonium
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
Landscapes
- Investigating Or Analyzing Non-Biological Materials By The Use Of Chemical Means (AREA)
Abstract
The invention provides a method for detecting the content of microsphere mobile gel in produced liquid, which comprises the following steps: preparing a microsphere mobile gel aqueous solution with known microsphere mobile gel concentration, adding the microsphere mobile gel aqueous solution into a container respectively, adding a potassium dichromate solution and a silver sulfate-sulfuric acid solution respectively, carrying out heating reaction, titrating with ammonium ferrous sulfate after the reaction is finished, and drawing a linear regression equation of the mass of ammonium ferrous sulfate converted from the microsphere mobile gel concentration-potassium dichromate consumed by the microspheres; and (3) taking a sample to perform an experiment according to the method, and calculating the content of the microsphere mobile gel in the produced liquid through a linear regression equation according to the mass of the consumed ammonium ferrous sulfate. The method for measuring the concentration of the movable gel of the microspheres in the produced liquid is beneficial to measuring the movable gel of the microspheres in the produced liquid, eliminates the interference of oil content, inorganic ions and the chromaticity of the produced liquid in the measuring process, and achieves the aim of accurately measuring the concentration of the movable gel of the microspheres in the produced liquid.
Description
Technical field
The invention belongs to petroleum production engineering field, be specifically related to a kind of Produced Liquid microballoon shake gels detection method of content and application thereof, reach the object understanding combination of zones situation.
Background technology
Microballoon shake gels is a kind of novel deep profile correction chemical agent, oil field that is serious for major reservoir water logging, remaining oil distribution high degree of dispersion has good transfer drive effect, this transfer drive technology can directly adjust the uneven situation of reservoir deep water drive effectively, improves sweep efficiency.
Microballoon shake gels is a kind of polyacrylamide polymers W/O emulsion fluid microballoon, existing detection method is by the impact of the factors such as oil content, inorganic ions and the colourity of Produced Liquid own in temperature, Produced Liquid, cause the mass concentration deviation that measures comparatively large or exceed measurement range, cannot the content of Measurement accuracy microballoon shake gels in Produced Liquid.At present, Kjeldahl's method is only had to measure this Realization of Product accurate quantitative analysis in document.
Summary of the invention
One object of the present invention is to provide a kind of Produced Liquid microballoon shake gels detection method of content; The method consumes the quality of iron ammonium sulfate by back titration, eliminates metallic ion, disturbing factor that nitrogen-containing group (Kjeldahl's method) produces, improves the accuracy of testing result.
Another object of the present invention is to provide the application of the inventive method in Produced Liquid microballoon shake gels content detection.
For reaching above-mentioned purpose, on the one hand, the invention provides a kind of Produced Liquid microballoon shake gels detection method of content, described method comprises:
(1) equation of linear regression is drawn: the microballoon shake gels aqueous solution that preparation microballoon shake gels concentration is known, get microballoon shake gels aqueous solution noted earlier to be added to respectively in container, add potassium bichromate solution and silver sulfate-sulfuric acid solution respectively, add thermal response, reaction terminates rear iron ammonium sulfate titration, and the potassium dichromate drawing the concentration-microballoon consumption of microballoon shake gels is converted into the equation of linear regression of the quality of iron ammonium sulfate;
(2) cubage: materials and test as stated above, according to the quality of the iron ammonium sulfate consumed, calculates the content of microballoon shake gels in Produced Liquid by equation of linear regression.
According to method of the present invention, described method comprises:
(1) equation of linear regression is drawn: the microballoon shake gels aqueous solution that preparation microballoon shake gels concentration is known, get microballoon shake gels aqueous solution noted earlier to be added to respectively in container, add potassium bichromate solution and silver sulfate-sulfuric acid solution respectively, add thermal response, reaction terminates rear iron ammonium sulfate titration, the volume of the consumption of record iron ammonium sulfate, blank assay is done with Produced Liquid before noting microballoon, calculate the volume that iron ammonium sulfate consumes, the potassium dichromate drawing the concentration-microballoon consumption of microballoon shake gels is converted into the equation of linear regression of the quality of iron ammonium sulfate:
y＝5.907x+0.212 (R
2＝0.999)
The potassium dichromate of microballoon consumption is converted into the computing method of iron ammonium sulfate quality:
M=C (V
blank-V) × 392
The quality that m---iron ammonium sulfate consumes, g;
The concentration of c---iron ammonium sulfate, mol/L;
V is blank---and blank assay consumes the volume of iron ammonium sulfate;
V---sample consumes the volume of iron ammonium sulfate;
(2) cubage: get 20mL sample and test as stated above, according to the quality of the iron ammonium sulfate consumed, calculates the content of microballoon shake gels in Produced Liquid by the equation of linear regression described in step (1).
According to method of the present invention, it is characterized in that the concentration of the microballoon shake gels aqueous solution of the concentration known described in step (1) is respectively 10mg/L, 20mg/L, 50mg/L, 100mg/L, 150mg/L, 200mg/L, 250mg/L and 300mg/L.
According to method of the present invention, be get each 20mL of described microballoon shake gels aqueous solution to be added to respectively in container in step (1), add potassium bichromate solution and 30mL silver sulfate-sulfuric acid solution that 5mL concentration is 1.5mol/L respectively.
According to method of the present invention, add thermal response described in step (1) for backflow 2h.
According to method of the present invention, add examination iron after step (1) reaction terminates and try clever indicator, then use ferrous sulphate titration.
According to method of the present invention, in step (1), ferroin indicator consumption is that 2-6 drips; Be preferably 4.
According to method of the present invention, in step (1), ferrous ammonium sulfate concentration is 0.1mol/L.
According to method of the present invention, reaction is indicator with ferroin after terminating in step (1), and with the titration of 0.1mol/L iron ammonium sulfate, solution has yellow to become blue-green to bronzing, is terminal.
Method according to claim 1 and 2, in step (1), described microballoon shake gels aqueous solution is added to after in container respectively, first add potassium bichromate solution and anti-bumping beaded glass respectively, connect reflux condensing tube, add silver sulfate-sulfuric acid solution from condenser pipe top again, add thermal response; Wherein preferably add 3 anti-bumping beaded glasses.
According to method of the present invention, in described Produced Liquid, microballoon shake gels content is 10mg/L ~ 500mg/L.
On the other hand, present invention also offers the application of the inventive method in Produced Liquid microballoon shake gels content detection.
According to application of the present invention, in described Produced Liquid, microballoon shake gels content is 10mg/L ~ 300mg/L.
In sum, the invention provides a kind of Produced Liquid microballoon shake gels detection method of content and application thereof.Method tool of the present invention has the following advantages:
(1) concentration range 10mg/L ~ 300mg/L is measured,
(2)R
2＝0.999，
(3) detection limit 10mg/L,
(4) a large amount of metal ion disturbance is got rid of.
Accompanying drawing explanation
Fig. 1 is the embodiment of the present invention 1 checkout equipment figure, and wherein drawing reference numeral is: 1, condenser pipe 2, conical flask 3, heating jacket.
Embodiment
Describe the beneficial effect of implementation process of the present invention and generation below by way of specific embodiment in detail, be intended to help reader to understand essence of the present invention and feature better, not as can the restriction of practical range to this case.
1, the drafting of microballoon shake gels typical curve
Preparation microballoon shake gels concentration known is 10mg/L, 20mg/L, 50mg/L, 100mg/L, 150mg/L, 200mg/L, 250mg/L, (application block generally microballoon shake gels is same manufacturer production to the microballoon shake gels aqueous solution of 300mg/L, as manufacturer changes or production specifications change, new standard solution need be prepared), as shown in Figure 1, getting standard solution 20mL is added in 250mL ground conical flask, (adding 5mL concentration is 1.5mol/L potassium bichromate solution (concentration of the Produced Liquid potassium dichromate of variable concentrations is all consistent with consumption) and 3 anti-bumping beaded glasses, connect reflux condensing tube, 30mL silver sulfate-sulfuric acid solution is added from condenser pipe top, heating, timing is started from solution boiling, backflow 2h, be indicator with ferroin after reaction terminates, with the titration of 0.1mol/L iron ammonium sulfate, solution has yellow to become blue-green to bronzing, be terminal, the volume of the consumption of record iron ammonium sulfate, blank assay is done with Produced Liquid before noting microballoon, calculate the volume that iron ammonium sulfate consumes, the potassium dichromate drawing the concentration-microballoon consumption of microballoon shake gels is converted into the equation of linear regression of the quality of iron ammonium sulfate:
y＝5.907x+0.212 (R
2＝0.999)
The potassium dichromate of microballoon consumption is converted into the computing method of iron ammonium sulfate quality:
M=C (V
blank-V) × 392
The quality that m---iron ammonium sulfate consumes, g;
The concentration of c---iron ammonium sulfate, mol/L;
V is blank---and blank assay consumes the volume of iron ammonium sulfate;
V---sample consumes the volume of iron ammonium sulfate.
392---the relative molecular mass of six ferrous sulfate hydrate ammoniums.
2, the pre-treatment of Produced Liquid
Measure Produced Liquid 100mL, use quantitative filter paper filters out Residual oil and impurity is for subsequent use.
3, measure 20mL Produced Liquid to measure by method described in 1, the quality of the iron ammonium sulfate that record consumes, calculates the mass concentration of microballoon.(because the concentration of microballoon in Produced Liquid is unknown, when measurement result is greater than 300mg/L, answering the solution after dilution process to redeterminate)
This detection method adds up detection 22 well at the displacement of reservoir oil block 9 of Jilin Oil Field microballoon shake gels, block 11, block 12.
Remarks: testing result is greater than 300mg/L are converted by dilution Produced Liquid to obtain.
4, preparing mass concentration with distilled water and on-the-spot water is the microballoon shake gels 500mL being respectively 100mg/L, measure the concentration of microballoon shake gels in known solution according to 5.3 starch iodide methods in this method and SY/T 6576-2003 respectively, measurement result is as follows:
Conclusion:
1, carry out mensuration by this method and standard method to the microballoon shake gels solution that the concentration that distilled water is prepared is 100mg/L to draw: use the microballoon shake gels solution concentration measurement result of distilled water preparation close to true value, relative deviation is less, and two kinds of method measurement result relative deviations are respectively 3.5% and 3.3%.
2, carry out mensuration by this method and standard method to the microballoon shake gels solution that the concentration that on-the-spot water is prepared is 100mg/L to draw: the obvious deviation true value of standard method measurement result, and our rule is close to true value 100mg/L, standard deviation is respectively 4.75% and 10.00%.
3, describe according to standard, starch iodide method can not eliminate the interference of oil, amine goods and materials, iodate ion and dark matter in solution, and therefore starch iodide method measurement result deviation true value is comparatively large, and these materials then affect less on this method measurement result.
Claims (10)
1. a Produced Liquid microballoon shake gels detection method of content, is characterized in that, described method comprises:
(1) equation of linear regression is drawn: the microballoon shake gels aqueous solution that preparation microballoon shake gels concentration is known, get microballoon shake gels aqueous solution noted earlier to be added to respectively in container, add potassium bichromate solution and silver sulfate-sulfuric acid solution respectively, add thermal response, reaction terminates rear iron ammonium sulfate titration, and the potassium dichromate drawing the concentration-microballoon consumption of microballoon shake gels is converted into the equation of linear regression of the quality of iron ammonium sulfate;
(2) cubage: materials and test as stated above, according to the quality of the iron ammonium sulfate consumed, calculates the content of microballoon shake gels in Produced Liquid by equation of linear regression.
2. method according to claim 1, is characterized in that, described method comprises:
(1) equation of linear regression is drawn: the microballoon shake gels aqueous solution that preparation microballoon shake gels concentration is known, get microballoon shake gels aqueous solution noted earlier to be added to respectively in container, add potassium bichromate solution and silver sulfate-sulfuric acid solution respectively, add thermal response, reaction terminates rear iron ammonium sulfate titration, the volume of the consumption of record iron ammonium sulfate, blank assay is done with Produced Liquid before noting microballoon, calculate the volume that iron ammonium sulfate consumes, the potassium dichromate drawing the concentration-microballoon consumption of microballoon shake gels is converted into the equation of linear regression of the quality of iron ammonium sulfate:
y＝5.907x+0.212(R
2＝0.999)
The potassium dichromate of microballoon consumption is converted into the computing method of iron ammonium sulfate quality:
M=C (V
blank-V) × 392
The quality that m---iron ammonium sulfate consumes, g;
The concentration of c---iron ammonium sulfate, mol/L;
V is blank---and blank assay consumes the volume of iron ammonium sulfate;
V---sample consumes the volume of iron ammonium sulfate;
(2) cubage: get 20mL sample and test as stated above, according to the quality of the iron ammonium sulfate consumed, calculates the content of microballoon shake gels in Produced Liquid by the equation of linear regression described in step (1).
3. method according to claim 1 and 2, is characterized in that the concentration of the microballoon shake gels aqueous solution of the concentration known described in step (1) is respectively 10mg/L, 20mg/L, 50mg/L, 100mg/L, 150mg/L, 200mg/L, 250mg/L and 300mg/L.
4. method according to claim 1 and 2, it is characterized in that, be get each 20mL of described microballoon shake gels aqueous solution to be added to respectively in container in step (1), add silver sulfate-sulfuric acid solution that potassium bichromate solution that 5mL concentration is 1.5mol/L and 30mL mass concentration are 0.5% respectively.
5. method according to claim 1 and 2, is characterized in that, adds thermal response for backflow 2h described in step (1).
6. method according to claim 1 and 2, is characterized in that, adds examination iron and tries clever indicator, then use ferrous sulphate titration after step (1) reaction terminates; Wherein preferably ferroin indicator consumption is that 2-6 drips; Be more preferably 4; Wherein going back preferably sulfuric acid ferrous ammonium concentration is 0.1mol/L.
7. method according to claim 1 and 2, is characterized in that, reaction is indicator with ferroin after terminating in step (1), and with the titration of 0.1mol/L iron ammonium sulfate, solution has yellow to become blue-green to bronzing, is terminal.
8. method according to claim 1 and 2, it is characterized in that, in step (1), described microballoon shake gels aqueous solution is added to after in container respectively, first add potassium bichromate solution and anti-bumping beaded glass respectively, connect reflux condensing tube, add silver sulfate-sulfuric acid solution from condenser pipe top again, add thermal response; Wherein preferably add 3 anti-bumping beaded glasses.
9. method according to claim 1 and 2, is characterized in that, in described Produced Liquid, microballoon shake gels content is 10mg/L ~ 500mg/L.
10. the application of claim 1 ~ 9 any one method in Produced Liquid microballoon shake gels content detection; Wherein in preferred described Produced Liquid, microballoon shake gels content is 10mg/L ~ 300mg/L.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410705366.9A CN104374868B (en) | 2014-11-27 | 2014-11-27 | Method for detecting content of microsphere mobile gel in produced liquid and application thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410705366.9A CN104374868B (en) | 2014-11-27 | 2014-11-27 | Method for detecting content of microsphere mobile gel in produced liquid and application thereof |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104374868A true CN104374868A (en) | 2015-02-25 |
| CN104374868B CN104374868B (en) | 2016-04-06 |
Family
ID=52553913
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410705366.9A Active CN104374868B (en) | 2014-11-27 | 2014-11-27 | Method for detecting content of microsphere mobile gel in produced liquid and application thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104374868B (en) |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| RU2283429C1 (en) * | 2005-11-21 | 2006-09-10 | Давид Аронович Каушанский | Method for highly-viscous oil field development |
| CN101598722A (en) * | 2009-07-03 | 2009-12-09 | 东华大学 | A kind of oxidative digestion method of polyamide fiber |
| CN101750414A (en) * | 2008-12-09 | 2010-06-23 | 周建飞 | Method for measuring chemical oxygen demand of waste water |
| CN101813635A (en) * | 2010-04-08 | 2010-08-25 | 中国石油大学(华东) | Method for detecting content of nitrogenous polymer gel micro-sphere |
| CN102399543A (en) * | 2010-09-15 | 2012-04-04 | 中国石油天然气股份有限公司 | Preparation method of partially hydrolyzed polyacrylamide gel blocking agent |
| CN102466610A (en) * | 2010-11-18 | 2012-05-23 | 中国石油天然气股份有限公司 | Method for detecting concentration of flexible and movable gel microspheres of deep profile control agent |
| CN103728292A (en) * | 2012-10-10 | 2014-04-16 | 肖泸燕 | Method for testing chemical oxygen demand of degradable water-soluble polymer |
-
2014
- 2014-11-27 CN CN201410705366.9A patent/CN104374868B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| RU2283429C1 (en) * | 2005-11-21 | 2006-09-10 | Давид Аронович Каушанский | Method for highly-viscous oil field development |
| CN101750414A (en) * | 2008-12-09 | 2010-06-23 | 周建飞 | Method for measuring chemical oxygen demand of waste water |
| CN101598722A (en) * | 2009-07-03 | 2009-12-09 | 东华大学 | A kind of oxidative digestion method of polyamide fiber |
| CN101813635A (en) * | 2010-04-08 | 2010-08-25 | 中国石油大学(华东) | Method for detecting content of nitrogenous polymer gel micro-sphere |
| CN102399543A (en) * | 2010-09-15 | 2012-04-04 | 中国石油天然气股份有限公司 | Preparation method of partially hydrolyzed polyacrylamide gel blocking agent |
| CN102466610A (en) * | 2010-11-18 | 2012-05-23 | 中国石油天然气股份有限公司 | Method for detecting concentration of flexible and movable gel microspheres of deep profile control agent |
| CN103728292A (en) * | 2012-10-10 | 2014-04-16 | 肖泸燕 | Method for testing chemical oxygen demand of degradable water-soluble polymer |
Non-Patent Citations (2)
| Title |
|---|
| 宋绍富等: "聚丙烯酰胺浓度检测方法研究进展", 《广东化工》 * |
| 陈健斌等: "油田深部调驱采出液中柔性可动凝胶微球的检测", 《西安石油大学学报(自然科学版)》 * |
Also Published As
| Publication number | Publication date |
|---|---|
| CN104374868B (en) | 2016-04-06 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN103926300A (en) | Improved method for determining free chlorine ions in cement paste or mortar | |
| CN102359944A (en) | Determination method of chlorine content in iron-containing dust mud | |
| CN104297246B (en) | Method for measuring magnesium content in aluminum magnesium alloy powder | |
| CN104964937A (en) | Method for conducting spectrophotometric determination on formaldehyde content of water-based coating through acetylacetone | |
| CN102519894A (en) | Ferric ion stabilizing capability measurement method of acidification ferric ion stabilizer | |
| CN105021545A (en) | Method for measuring contents of bismuth and lead ions in tin lead bismuth alloy electroplating solution | |
| CN103344667B (en) | Lubricating oil moisture calorimetric titration rapid assay methods | |
| CN105115922A (en) | Method for detecting iron content of lithium iron phosphate-carbon composite material | |
| CN106885780A (en) | A kind of method for determining soil nitrate-N | |
| CN106568816A (en) | Reagent and method for rapidly measuring ammonia nitrogen content of oil refining sewage through electrode method | |
| CN104730201A (en) | Measurement method for content of hydrofluoric acid in titanium alloy pickling solution | |
| CN104374868B (en) | Method for detecting content of microsphere mobile gel in produced liquid and application thereof | |
| CN101655461A (en) | Method for determining ion content of cationic polyacrylamide by utilizing spectrophotometry | |
| CN106841513A (en) | Method for testing chelating ability of chelating acid to metal iron ions | |
| CN104360010A (en) | Analysis method for determining content of each component in sulfuric acid and nitric acid mixture | |
| Basova et al. | Photometric detection of urea in natural waters | |
| CN113008808A (en) | Method for detecting nickel, cobalt, manganese and sulfate radicals in precursor of ternary cathode material | |
| CN103018398B (en) | Quantitative detection method for corrosive sulphur in insulating oil | |
| CN105223143A (en) | A kind of method measuring fracturing liquid content in oilfield sewage | |
| CN103616379B (en) | The quantitative determination method of 4-propyl bromide content in zeolite synthesis waste liquid | |
| CN107300531A (en) | The detection method of N methylimidazoles content in a kind of glyoxaline ion liquid | |
| CN105954262A (en) | {0><}0{>ICP-AES method for measuring sulfur content of lead sulfate in waste storage battery | |
| CN105891409A (en) | Method for detecting concentrations of sulfuric acid and phosphoric acid in chemical polishing liquid containing sulfuric acid and phosphoric acid | |
| CN105758845A (en) | Method for determination of sulfur trioxide in gypsum by inductively coupled plasma emission spectrometry | |
| CN106908441B (en) | Iron ore all iron content without mercury salt detection method |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |