CN104178098A - High-strength gel profile control and plugging agent as well as preparation method and application method thereof - Google Patents
High-strength gel profile control and plugging agent as well as preparation method and application method thereof Download PDFInfo
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- CN104178098A CN104178098A CN201410375909.5A CN201410375909A CN104178098A CN 104178098 A CN104178098 A CN 104178098A CN 201410375909 A CN201410375909 A CN 201410375909A CN 104178098 A CN104178098 A CN 104178098A
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- plugging agent
- strength gel
- gel plugging
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- 238000002360 preparation method Methods 0.000 title claims abstract description 19
- 238000000034 method Methods 0.000 title claims abstract description 12
- 239000003795 chemical substances by application Substances 0.000 claims abstract description 60
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 25
- PMZURENOXWZQFD-UHFFFAOYSA-L Sodium Sulfate Chemical compound [Na+].[Na+].[O-]S([O-])(=O)=O PMZURENOXWZQFD-UHFFFAOYSA-L 0.000 claims abstract description 22
- 229920002401 polyacrylamide Polymers 0.000 claims abstract description 22
- 229910052938 sodium sulfate Inorganic materials 0.000 claims abstract description 22
- 235000011152 sodium sulphate Nutrition 0.000 claims abstract description 22
- 238000003756 stirring Methods 0.000 claims abstract description 21
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims description 20
- 229910052782 aluminium Inorganic materials 0.000 claims description 20
- 238000004364 calculation method Methods 0.000 claims description 3
- ZUGAOYSWHHGDJY-UHFFFAOYSA-K 5-hydroxy-2,8,9-trioxa-1-aluminabicyclo[3.3.2]decane-3,7,10-trione Chemical compound [Al+3].[O-]C(=O)CC(O)(CC([O-])=O)C([O-])=O ZUGAOYSWHHGDJY-UHFFFAOYSA-K 0.000 abstract 2
- 230000033558 biomineral tissue development Effects 0.000 abstract 1
- 239000000463 material Substances 0.000 abstract 1
- 238000005303 weighing Methods 0.000 abstract 1
- 239000011435 rock Substances 0.000 description 21
- VEXZGXHMUGYJMC-UHFFFAOYSA-N Hydrochloric acid Chemical compound Cl VEXZGXHMUGYJMC-UHFFFAOYSA-N 0.000 description 4
- 239000003153 chemical reaction reagent Substances 0.000 description 2
- 238000005457 optimization Methods 0.000 description 2
- HRPVXLWXLXDGHG-UHFFFAOYSA-N Acrylamide Chemical compound NC(=O)C=C HRPVXLWXLXDGHG-UHFFFAOYSA-N 0.000 description 1
- 239000007864 aqueous solution Substances 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
- 239000002904 solvent Substances 0.000 description 1
- 239000008399 tap water Substances 0.000 description 1
- 235000020679 tap water Nutrition 0.000 description 1
- 239000002351 wastewater Substances 0.000 description 1
Classifications
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- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09K—MATERIALS FOR MISCELLANEOUS APPLICATIONS, NOT PROVIDED FOR ELSEWHERE
- C09K8/00—Compositions for drilling of boreholes or wells; Compositions for treating boreholes or wells, e.g. for completion or for remedial operations
- C09K8/50—Compositions for plastering borehole walls, i.e. compositions for temporary consolidation of borehole walls
- C09K8/504—Compositions based on water or polar solvents
- C09K8/506—Compositions based on water or polar solvents containing organic compounds
- C09K8/508—Compositions based on water or polar solvents containing organic compounds macromolecular compounds
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21B—EARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B33/00—Sealing or packing boreholes or wells
- E21B33/10—Sealing or packing boreholes or wells in the borehole
- E21B33/13—Methods or devices for cementing, for plugging holes, crevices or the like
- E21B33/138—Plastering the borehole wall; Injecting into the formation
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- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geology (AREA)
- Chemical & Material Sciences (AREA)
- Mining & Mineral Resources (AREA)
- Materials Engineering (AREA)
- Organic Chemistry (AREA)
- Physics & Mathematics (AREA)
- Environmental & Geological Engineering (AREA)
- Fluid Mechanics (AREA)
- Geochemistry & Mineralogy (AREA)
- Cosmetics (AREA)
Abstract
The invention relates to the technical field of gel profile control and plugging agents used in oil exploitation and provides a high-strength gel profile control and plugging agent as well as a preparation method and an application method thereof. The preparation method comprises the following steps: respectively weighing 0.5-10 parts by weight of polyacrylamide, 0.05-0.5 part by weight of aluminium citrate, 0.1-4 parts by weight of polyaluminium, 0.01-1 part by weight of sodium sulfate and 60-80 parts by weight of water, then adding weighed polyacrylamide, aluminium citrate, polyaluminium and sodium sulfate to the water at room temperature in a stirring state, then continuously stirring the materials for 10-30 minutes and standing for 8-24 hours, thus obtaining the high-strength gel profile control and plugging agent. The high-strength gel profile control and plugging agent, the preparation method and the application method have the characteristics that the preparation method is simple and feasible, has high efficiency and is low in cost; the temperature resistance can reach 180 DEG C, the degree of mineralization can reach 60000mg/L and the plugging pressure can reach 25Mpa, thus the high-strength gel profile control and plugging agent can effectively plug high water cut oil layers.
Description
Technical field
the present invention relates to gel plugging agent technical field in oil production, is a kind of high-strength gel plugging agent and preparation method thereof and using method.
Background technology
the gel plugging agent using at present, bad, the resistance to salinity performance of temperature tolerance is bad, intensity is low, plugging effect is bad.Main raw material is the synthetic gel profile-controlling and plugging agent of acrylamide, this kind of profile-controlling and plugging agent be not suitable with temperature (more than 120 DEG C) high, the moisture oil reservoir of salinity high (more than 10,000 mg/L), be also not suitable with the oil reservoir of oil field recharged waste water.
Summary of the invention
the invention provides a kind of high-strength gel plugging agent and preparation method thereof and using method, overcome the deficiency of above-mentioned prior art, its gel plugging agent that can effectively solve current use be not suitable with temperature (more than 120 DEG C) high, the problem of the moisture oil reservoir of salinity high (more than 10,000 mg/L).
one of technical scheme of the present invention realizes by following measures: a kind of high-strength gel plugging agent, obtain as follows: meter by weight, take respectively 0.5 part to 10 parts polyacrylamide, 0.05 part to 0.5 part Tiorco 677, 0.1 part to 4 parts polymeric aluminum, the water of 0.01 part to 1 part sodium sulfate and 60 parts to 80 parts, then by load weighted polyacrylamide, Tiorco 677, polymeric aluminum and sodium sulfate are added in the water under room temperature under whipped state, then continue to stir 10 minutes to 30 minutes, leave standstill and obtain high-strength gel plugging agent after 8 hours to 24 hours.
the further optimization and/or improvements to one of foregoing invention technical scheme below:
above-mentioned stir speed (S.S.) is 450r/min to 1000r/min.
two of technical scheme of the present invention realizes by following measures: a kind of preparation method of high-strength gel plugging agent, carry out in the steps below: meter by weight, take respectively 0.5 part to 10 parts polyacrylamide, 0.05 part to 0.5 part Tiorco 677, 0.1 part to 4 parts polymeric aluminum, the water of 0.01 part to 1 part sodium sulfate and 60 parts to 80 parts, then by load weighted polyacrylamide, Tiorco 677, polymeric aluminum and sodium sulfate are added in the water under room temperature under whipped state, then continue to stir 10 minutes to 30 minutes, leave standstill and obtain high-strength gel plugging agent after 8 hours to 24 hours.
two the further optimization and/or improvements to foregoing invention technical scheme below:
above-mentioned stir speed (S.S.) is 450r/min to 1000r/min.
three of technical scheme of the present invention realizes by following measures: a kind of using method of high-strength gel plugging agent, carry out in the steps below: first calculate the usage quantity of the high-strength gel plugging agent of required use, wherein calculation formula is Σ=π R
2
Φ h, in its Chinese style: Σ is the usage quantity of high-strength gel plugging agent, π is pi, and R is treatment radius, and Φ is porosity, and h is core intersection; Calculate after the usage quantity of high-strength gel plugging agent, prepare the high-strength gel plugging agent of aequum by the preparation method of high-strength gel plugging agent, last, the high-strength gel plugging agent preparing is injected to oil reservoir.
feature of the present invention: the simple and easy line efficiency of compound method of high-strength gel plugging agent of the present invention is high, and cost is low, and heatproof can reach 180 DEG C, and salinity can reach 60,000 mg/L, and shutoff pressure can reach 25Mpa, effectively shutoff high watercut layer.
Embodiment
the present invention is not subject to the restriction of following embodiment, can determine concrete embodiment according to technical scheme of the present invention and practical situation.Unless stated otherwise, reagent, the method and apparatus adopting in the present invention is the conventional reagent of the art, method and apparatus; Unless stated otherwise, in the present invention, agents useful for same is commercial; Unless stated otherwise, the water in the present invention is tap water; Unless stated otherwise, room temperature is 20 DEG C to 35 DEG C; Unless stated otherwise, the solution in the present invention is the aqueous solution that solvent is water, and for example, if specify, hydrochloric acid soln is aqueous hydrochloric acid.
below in conjunction with embodiment, the invention will be further described:
embodiment 1, this high-strength gel plugging agent obtains by following preparation method: by weight, take respectively the water of 0.5 part to 10 parts polyacrylamide, 0.05 part to 0.5 part Tiorco 677,0.1 part to 4 parts polymeric aluminum, 0.01 part to 1 part sodium sulfate and 60 parts to 80 parts, then load weighted polyacrylamide, Tiorco 677, polymeric aluminum and sodium sulfate are added in the water under room temperature under whipped state, then continue to stir 10 minutes to 30 minutes, leave standstill and obtain high-strength gel plugging agent after 8 hours to 24 hours.Indoorly measure by enterprise's SY/T6379-1998 standard, on the rock core of 2 darcies, test, 160 DEG C of temperature, salinity 60,000 mg/L, shutoff pressure is 15MPa to 16MPa; Indoorly measure by enterprise's SY/T6379-1998 standard, on the rock core of 1.5 darcies, test, 170 DEG C of temperature, salinity 60,000 mg/L, shutoff pressure is 18MPa to 19MPa; Indoorly measure by enterprise's SY/T6379-1998 standard, on the rock core of 1 darcy, test, 180 DEG C of temperature, salinity 60,000 mg/L, shutoff pressure is 20MPa to 22MPa.
embodiment 2, this high-strength gel plugging agent obtains by following preparation method: by weight, take respectively the water of 0.5 part or 10 parts of polyacrylamides, 0.05 part or 0.5 part of Tiorco 677,0.1 part or 4 parts of polymeric aluminum, 0.01 part or 1 part of sodium sulfate and 60 parts or 80 parts, then load weighted polyacrylamide, Tiorco 677, polymeric aluminum and sodium sulfate are added in the water under room temperature under whipped state, then continue to stir 10 minutes or 30 minutes, leave standstill and obtain high-strength gel plugging agent after 8 hours or 24 hours.Indoorly measure by enterprise's SY/T6379-1998 standard, on the rock core of 2 darcies, test, 160 DEG C of temperature, salinity 60,000 mg/L, shutoff pressure is 15MPa or 16MPa; Indoorly measure by enterprise's SY/T6379-1998 standard, on the rock core of 1.5 darcies, test, 170 DEG C of temperature, salinity 60,000 mg/L, shutoff pressure is 18MPa or 19MPa; Indoorly measure by enterprise's SY/T6379-1998 standard, on the rock core of 1 darcy, test, 180 DEG C of temperature, salinity 60,000 mg/L, shutoff pressure is 20MPa or 22MPa.
embodiment 3, preferential as above-described embodiment, stir speed (S.S.) is 450r/min to 1000r/min.Indoorly measure by enterprise's SY/T6379-1998 standard, on the rock core of 2 darcies, test, 160 DEG C of temperature, salinity 60,000 mg/L, shutoff pressure is 15MPa or 16.5MPa; Indoorly measure by enterprise's SY/T6379-1998 standard, on the rock core of 1.5 darcies, test, 170 DEG C of temperature, salinity 60,000 mg/L, shutoff pressure is 18MPa or 20MPa; Indoorly measure by enterprise's SY/T6379-1998 standard, on the rock core of 1 darcy, test, 180 DEG C of temperature, salinity 60,000 mg/L, shutoff pressure is 22MPa or 24MPa.
embodiment 4, this high-strength gel plugging agent obtains by following preparation method: by weight, take respectively the water of 0.5 part of polyacrylamide, 0.05 part of Tiorco 677,0.1 part of polymeric aluminum, 0.01 part of sodium sulfate and 60 parts, then load weighted polyacrylamide, Tiorco 677, polymeric aluminum and sodium sulfate are added in the water under room temperature under whipped state, then continue to stir 10 minutes, leave standstill and obtain high-strength gel plugging agent after 8 hours.Indoorly measure by enterprise's SY/T6379-1998 standard, on the rock core of 2 darcies, test, 160 DEG C of temperature, salinity 60,000 mg/L, shutoff pressure is 15MPa; Indoorly measure by enterprise's SY/T6379-1998 standard, on the rock core of 1.5 darcies, test, 170 DEG C of temperature, salinity 60,000 mg/L, shutoff pressure is 18MPa; Indoorly measure by enterprise's SY/T6379-1998 standard, on the rock core of 1 darcy, test, 180 DEG C of temperature, salinity 60,000 mg/L, shutoff pressure is 22MPa.
embodiment 5, this high-strength gel plugging agent obtains by following preparation method: by weight, take respectively the water of 10 parts of polyacrylamides, 0.5 part of Tiorco 677,4 parts of polymeric aluminum, 1 part of sodium sulfate and 80 parts, then load weighted polyacrylamide, Tiorco 677, polymeric aluminum and sodium sulfate are added in the water under room temperature under whipped state, then continue to stir 30 minutes according to this stirring velocity, leave standstill and obtain high-strength gel plugging agent after 24 hours.Indoorly measure by enterprise's SY/T6379-1998 standard, on the rock core of 2 darcies, test, 160 DEG C of temperature, salinity 60,000 mg/L, shutoff pressure is 16MPa; Indoorly measure by enterprise's SY/T6379-1998 standard, on the rock core of 1.5 darcies, test, 170 DEG C of temperature, salinity 60,000 mg/L, shutoff pressure is 19MPa; Indoorly measure by enterprise's SY/T6379-1998 standard, on the rock core of 1 darcy, test, 180 DEG C of temperature, salinity 60,000 mg/L, shutoff pressure is 22MPa.
embodiment 6, this high-strength gel plugging agent obtains by following preparation method: by weight, take respectively the water of 0.5 part of polyacrylamide, 0.05 part of Tiorco 677,0.1 part of polymeric aluminum, 0.01 part of sodium sulfate and 60 parts, then under the whipped state that is 450r/min by load weighted polyacrylamide, Tiorco 677, polymeric aluminum and sodium sulfate in stir speed (S.S.), be added in the water under room temperature, then continue to stir 10 minutes, leave standstill and obtain high-strength gel plugging agent after 8 hours.Indoorly measure by enterprise's SY/T6379-1998 standard, on the rock core of 2 darcies, test, 160 DEG C of temperature, salinity 60,000 mg/L, shutoff pressure is 15MPa; Indoorly measure by enterprise's SY/T6379-1998 standard, on the rock core of 1.5 darcies, test, 170 DEG C of temperature, salinity 60,000 mg/L, shutoff pressure is 18MPa; Indoorly measure by enterprise's SY/T6379-1998 standard, on the rock core of 1 darcy, test, 180 DEG C of temperature, salinity 60,000 mg/L, shutoff pressure is 22MPa.
embodiment 7, this high-strength gel plugging agent obtains by following preparation method: by weight, take respectively the water of 10 parts of polyacrylamides, 0.5 part of Tiorco 677,4 parts of polymeric aluminum, 1 part of sodium sulfate and 80 parts, then under the whipped state that is 1000r/min by load weighted polyacrylamide, Tiorco 677, polymeric aluminum and sodium sulfate in stir speed (S.S.), be added in the water under room temperature, then continue to stir 30 minutes according to this stirring velocity, leave standstill and obtain high-strength gel plugging agent after 24 hours.Indoorly measure by enterprise's SY/T6379-1998 standard, on the rock core of 2 darcies, test, 160 DEG C of temperature, salinity 60,000 mg/L, shutoff pressure is 16.5MPa; Indoorly measure by enterprise's SY/T6379-1998 standard, on the rock core of 1.5 darcies, test, 170 DEG C of temperature, salinity 60,000 mg/L, shutoff pressure is 20MPa; Indoorly measure by enterprise's SY/T6379-1998 standard, on the rock core of 1 darcy, test, 180 DEG C of temperature, salinity 60,000 mg/L, shutoff pressure is 24MPa.
embodiment 8, the using method of the high-strength gel plugging agent obtaining according to above-described embodiment 1 to embodiment 7: first calculate the usage quantity of the high-strength gel plugging agent of required use, wherein calculation formula is Σ=π R
2
Φ h, in its Chinese style: Σ is the usage quantity of high-strength gel plugging agent, π is pi, and R is treatment radius, and Φ is porosity, and h is core intersection; Calculate after the usage quantity of high-strength gel plugging agent, prepare the high-strength gel plugging agent of aequum by the preparation method of high-strength gel plugging agent, last, the high-strength gel plugging agent preparing is injected to oil reservoir.
as can be seen from the above-described embodiment, the high-strength gel plugging agent obtaining according to the embodiment of the present invention, heatproof at least can reach 160 DEG C, can reach 180 DEG C, salinity can reach 60,000 mg/L, under this temperature and salinity condition, shutoff pressure at least can reach 15MPa, can reach 25Mpa, successful is better than existing gel plugging agent, effectively shutoff high watercut layer.
above technical characterictic has formed embodiments of the invention, and it has stronger adaptability and implementation result, can increase and decrease according to actual needs non-essential technical characterictic, meets the demand of different situations.
Claims (5)
1. a high-strength gel plugging agent, it is characterized in that obtaining as follows: meter by weight, take respectively the water of 0.5 part to 10 parts polyacrylamide, 0.05 part to 0.5 part Tiorco 677,0.1 part to 4 parts polymeric aluminum, 0.01 part to 1 part sodium sulfate and 60 parts to 80 parts, then load weighted polyacrylamide, Tiorco 677, polymeric aluminum and sodium sulfate are added in the water under room temperature under whipped state, then continue to stir 10 minutes to 30 minutes, leave standstill and obtain high-strength gel plugging agent after 8 hours to 24 hours.
2. high-strength gel plugging agent according to claim 1, is characterized in that stir speed (S.S.) is 450r/min to 1000r/min.
3. the preparation method of a high-strength gel plugging agent, it is characterized in that carrying out in the steps below: meter by weight, take respectively the water of 0.5 part to 10 parts polyacrylamide, 0.05 part to 0.5 part Tiorco 677,0.1 part to 4 parts polymeric aluminum, 0.01 part to 1 part sodium sulfate and 60 parts to 80 parts, then load weighted polyacrylamide, Tiorco 677, polymeric aluminum and sodium sulfate are added in the water under room temperature under whipped state, then continue to stir 10 minutes to 30 minutes, leave standstill and obtain high-strength gel plugging agent after 8 hours to 24 hours.
4. high-strength gel plugging agent according to claim 3, is characterized in that stir speed (S.S.) is 450r/min to 1000r/min.
5. a using method for high-strength gel plugging agent, is characterized in that carrying out in the steps below: first calculate the usage quantity of the high-strength gel plugging agent of required use, wherein calculation formula is Σ=π R
2Φ h, in its Chinese style: Σ is the usage quantity of high-strength gel plugging agent, π is pi, and R is treatment radius, and Φ is porosity, and h is core intersection; Calculate after the usage quantity of high-strength gel plugging agent, prepare the high-strength gel plugging agent of aequum by the preparation method of high-strength gel plugging agent, last, the high-strength gel plugging agent preparing is injected to oil reservoir.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410375909.5A CN104178098A (en) | 2014-08-01 | 2014-08-01 | High-strength gel profile control and plugging agent as well as preparation method and application method thereof |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201410375909.5A CN104178098A (en) | 2014-08-01 | 2014-08-01 | High-strength gel profile control and plugging agent as well as preparation method and application method thereof |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104745163A (en) * | 2015-03-25 | 2015-07-01 | 中国石油大学(华东) | Inorganic gel foam system and preparation method and application thereof |
| CN106085393A (en) * | 2016-06-06 | 2016-11-09 | 关俊华 | A kind of preparation method of positive colloid water shutoff agent |
| CN109679603A (en) * | 2018-11-30 | 2019-04-26 | 中国海洋石油集团有限公司 | A kind of amphiprotic/amphoteric polymers gel and preparation method thereof |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104745163A (en) * | 2015-03-25 | 2015-07-01 | 中国石油大学(华东) | Inorganic gel foam system and preparation method and application thereof |
| CN104745163B (en) * | 2015-03-25 | 2018-02-02 | 中国石油大学(华东) | A kind of inorganic gel foam system and preparation method and application |
| CN106085393A (en) * | 2016-06-06 | 2016-11-09 | 关俊华 | A kind of preparation method of positive colloid water shutoff agent |
| CN109679603A (en) * | 2018-11-30 | 2019-04-26 | 中国海洋石油集团有限公司 | A kind of amphiprotic/amphoteric polymers gel and preparation method thereof |
| CN109679603B (en) * | 2018-11-30 | 2021-12-03 | 中国海洋石油集团有限公司 | Composite ionic polymer gel and preparation method thereof |
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Application publication date: 20141203 |