CN105001840A - Seawater mud modifier - Google Patents
Seawater mud modifier Download PDFInfo
- Publication number
- CN105001840A CN105001840A CN201510341058.7A CN201510341058A CN105001840A CN 105001840 A CN105001840 A CN 105001840A CN 201510341058 A CN201510341058 A CN 201510341058A CN 105001840 A CN105001840 A CN 105001840A
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- sea
- mud
- conditioning agent
- water mud
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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
- C09K8/02—Well-drilling compositions
- C09K8/04—Aqueous well-drilling compositions
- C09K8/14—Clay-containing compositions
- C09K8/18—Clay-containing compositions characterised by the organic compounds
- C09K8/22—Synthetic organic compounds
- C09K8/24—Polymers
-
- 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
- C09K2208/00—Aspects relating to compositions of drilling or well treatment fluids
- C09K2208/34—Lubricant additives
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- Chemical & Material Sciences (AREA)
- Dispersion Chemistry (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Organic Chemistry (AREA)
- Soil Conditioners And Soil-Stabilizing Materials (AREA)
Abstract
The invention relates to the technical field of underground engineering construction, in particular to a seawater mud modifier. The seawater mud modifier comprises, by mass, 10-20 parts of sodium bentonite, 20-40 parts of caustic soda, 2.4-4.8 parts of polyacrylamide, 2.8-5.8 parts of white oil lubricating agent number five, 5-10 parts of sodium metaaluminate, 2-8 parts of potassium silicate, 3-6 parts of calcium oxide, 0.5-2.5 parts of weighting agent and 0.8-2.8 parts of dispersing agent. Mud prepared through the seawater mud modifier can effectively prevent collapse of hole walls and permeation of underground water, the wall protecting effect of the mud is enhanced, boring mud suspension capacity and boring mud carrying capacity can be guaranteed, ocean drilling construction cost is lowered, the probability of ocean drilling construction interruption is lowered, and the occurrence rate of ocean drilling accidents is decreased. Operation is convenient, construction quality is guaranteed, and the construction period is shortened.
Description
Technical field
The present invention relates to Construction Technique of Underground Works field, especially a kind of sea-water mud conditioning agent.
Background technology
The bridge spanning the sea that current China builds gets more and more, under ocean environment, Construction of Pile Bedding Boring needs to prepare a large amount of mud, premium mud is the key factor ensureing pile foundation quality, the limitation of fresh water configuration mud under ocean environment that current specifications requires: (1) fresh water is subject to the restriction in place and the restriction of transportcapacity in storage, transportation, affect construction speed, increase construction cost; (2) mud adopting fresh water to prepare still can be subject to the pollution of seawater, affects the performance of mud; (3) fresh water is prepared in sludge process needs to supply a large amount of fresh water, greatly will reduce operating efficiency thus, and increase construction cost.Therefore, gather materials on the spot for convenience, reduce construction cost, improve operating efficiency, adopt sea-water mud to be that under ocean environment, large bridge pile foundation construction needs one of gordian technique considered.
Under ocean environment, very not easily, the transport of fresh water and use can increase construction cost greatly in the acquisition of fresh water; Secondly, even if use fresh water carry out pulping and size mixing, due to regular mud dispersion, to take slag, suspending power strong, the integrated performance index of mud still cannot meet the demand of construction.
Summary of the invention
The object of the invention is: overcome deficiency of the prior art, construction requirement, cost are low, the sea-water mud conditioning agent of reasonable raw material proportioning to provide a kind of over-all properties to meet.
For solving the problems of the technologies described above, the technical solution used in the present invention is as follows:
A kind of sea-water mud conditioning agent, the mass parts of described sea-water mud conditioning agent is composed as follows: sodium bentonite 10-20 part, caustic soda 20-40 part, polyacrylamide 2.4-4.8 part, 5# white oil lubricant 2.8-5.8 part, sodium metaaluminate 5-10 part, potassium silicate 2-8 part, calcium oxide 3-6 part, weighting agent 0.5-2.5 part, dispersion agent 0.8-2.8 part.
Further, described weighting agent is made up of microfine ilmenite, FeTiO in described microfine ilmenite
3content be 70-80%.
Further, FeTiO in described microfine ilmenite
3content be 75-78%.
Further, the colloidity of described sodium bentonite is 96-98%, and sand factor is 0.09-0.24%.
Further, the colloidity of described sodium bentonite is 97%, and sand factor is 0.12%.
Further, described dispersion agent selects one or more in sodium polystyrene sulfonate, water glass, sodium aluminate, soda ash, modified lignosulfonates.
Further, described dispersion agent selects sodium polystyrene sulfonate, water glass and modified lignosulfonates, and its mass ratio is 1:1.2-1.5:1.1.
Further, described dispersion agent selects sodium polystyrene sulfonate, water glass and modified lignosulfonates, and its mass ratio is 1:1.3:1.1.
Further, the mass parts of described sea-water mud conditioning agent is composed as follows: sodium bentonite 15 parts, 30 parts, caustic soda, polyacrylamide 3.2 parts, 5# white oil lubricant 4.8 parts, sodium metaaluminate 8 parts, potassium silicate 5 parts, 4.5 parts, calcium oxide, weighting agent 1.5 parts, dispersion agent 1.8 parts.
Further, the mass parts of described sea-water mud conditioning agent is composed as follows: sodium bentonite 16 parts, 35 parts, caustic soda, polyacrylamide 4.2 parts, 5# white oil lubricant 3.8 parts, sodium metaaluminate 7.5 parts, potassium silicate 6 parts, 4 parts, calcium oxide, weighting agent 1.5 parts, dispersion agent 1.5 parts.
The beneficial effect of technical scheme of the present invention is adopted to be:
1, with the addition of weighting agent in the present invention, add the proportion of mud, sea-water mud proportion increases the wall pressure that can increase hole wall, and hole wall tends towards stability, and increases the service life, and reduces maintenance cost.
2, the mud that sea-water mud conditioning agent of the present invention is obtained is adopted, effectively can prevent caving in and the infiltration of underground water of hole wall, strengthen the retaining wall effect of mud, and suspension boring mud and the ability of carrying boring mud can be ensured, reduce ocean boring construction cost, reduce ocean drilling construction to interrupt, reduce ocean boring accident rate.Have easy to operate, ensure construction quality, shorten the construction period.
Embodiment
Below in conjunction with specific embodiment, the present invention will be further described.
Embodiment 1
A kind of sea-water mud conditioning agent, the mass parts of described sea-water mud conditioning agent is composed as follows: sodium bentonite 10 parts, 20 parts, caustic soda, polyacrylamide 2.4 parts, 5# white oil lubricant 2.8 parts, sodium metaaluminate 5 parts, potassium silicate 2 parts, 3 parts, calcium oxide, weighting agent 0.5 part, dispersion agent 0.8 part.
Wherein, described weighting agent is made up of microfine ilmenite, FeTiO in described microfine ilmenite
3content be 70-75%.
Further, the colloidity of described sodium bentonite is 96%, and sand factor is 0.24%.
Wherein, described dispersion agent selects sodium polystyrene sulfonate.
Embodiment 2
A kind of sea-water mud conditioning agent, the mass parts of described sea-water mud conditioning agent is composed as follows: sodium bentonite 12 parts, 24 parts, caustic soda, polyacrylamide 2.6 parts, 5# white oil lubricant 3.2 parts, sodium metaaluminate 6 parts, potassium silicate 3 parts, 3.5 parts, calcium oxide, weighting agent 0.8 part, dispersion agent 1.2 parts.
Wherein, described weighting agent is made up of microfine ilmenite, FeTiO in described microfine ilmenite
3content be 70-75%.
Wherein, the colloidity of described sodium bentonite is 96%, and sand factor is 0.18%.
Wherein, described dispersion agent selects sodium polystyrene sulfonate, water glass and modified lignosulfonates, and its mass ratio is 1:1.2:1.1.
Embodiment 3
A kind of sea-water mud conditioning agent, the mass parts of described sea-water mud conditioning agent is composed as follows: sodium bentonite 15 parts, 30 parts, caustic soda, polyacrylamide 3.2 parts, 5# white oil lubricant 4.8 parts, sodium metaaluminate 8 parts, potassium silicate 5 parts, 4.5 parts, calcium oxide, weighting agent 1.5 parts, dispersion agent 1.8 parts.
Wherein, described weighting agent is made up of microfine ilmenite, FeTiO in described microfine ilmenite
3content be 75-78%.
Wherein, the colloidity of described sodium bentonite is 97%, and sand factor is 0.12%.
Wherein, described dispersion agent selects sodium polystyrene sulfonate, water glass and modified lignosulfonates, and its mass ratio is 1:1.3:1.1.
Embodiment 4
A kind of sea-water mud conditioning agent, the mass parts of described sea-water mud conditioning agent is composed as follows: sodium bentonite 16 parts, 35 parts, caustic soda, polyacrylamide 4.2 parts, 5# white oil lubricant 3.8 parts, sodium metaaluminate 7.5 parts, potassium silicate 6 parts, 4 parts, calcium oxide, weighting agent 1.5 parts, dispersion agent 1.5 parts.
Wherein, described weighting agent is made up of microfine ilmenite, FeTiO in described microfine ilmenite
3content be 75-78%.
Wherein, the colloidity of described sodium bentonite is 97%, and sand factor is 0.16%.
Wherein, described dispersion agent selects sodium polystyrene sulfonate, water glass and modified lignosulfonates, and its mass ratio is 1:1.4:1.1.
Embodiment 5
A kind of sea-water mud conditioning agent, the mass parts of described sea-water mud conditioning agent is composed as follows: sodium bentonite 20 parts, 40 parts, caustic soda, polyacrylamide 4.8 parts, 5# white oil lubricant 5.8 parts, sodium metaaluminate 10 parts, potassium silicate 8 parts, 6 parts, calcium oxide, weighting agent 2.5 parts, dispersion agent 2.8 parts.
Wherein, described weighting agent is made up of microfine ilmenite, FeTiO in described microfine ilmenite
3content be 78-80%.
Wherein, the colloidity of described sodium bentonite is 98%, and sand factor is 0.24%.
Wherein, described dispersion agent selects sodium polystyrene sulfonate, water glass and modified lignosulfonates, and its mass ratio is 1:1.5:1.1.
Embodiment 3 is preferred implementation.
Test:
Sea-water mud conditioning agent obtained in embodiment of the present invention 1-5 is added in sea-water mud, regular mud conditioning agent is added water mud, at 25 DEG C, carries out performance measurement.
| Mensuration project | Water mud | Sea-water mud |
| Addition/% | 0.08-0.18 | 0.04-0.08 |
| Mud viscosity | 14-17 | 18-26 |
| Mud colloidity | 75-82 | 90-98 |
| Sea water resistance ability | Meet sea water stratification | Meet sea water stratification, be evenly distributed |
Although above-described embodiment describes in detail technical scheme of the present invention, but technical scheme of the present invention is not limited to above embodiment, when not departing from thought of the present invention and aim, claims limited range of the present invention all will be fallen into any change that technical scheme of the present invention is done.
Claims (10)
1. a sea-water mud conditioning agent, it is characterized in that, the mass parts of described sea-water mud conditioning agent is composed as follows: sodium bentonite 10-20 part, caustic soda 20-40 part, polyacrylamide 2.4-4.8 part, 5# white oil lubricant 2.8-5.8 part, sodium metaaluminate 5-10 part, potassium silicate 2-8 part, calcium oxide 3-6 part, weighting agent 0.5-2.5 part, dispersion agent 0.8-2.8 part.
2. a kind of sea-water mud conditioning agent according to claim 1, is characterized in that: described weighting agent is made up of microfine ilmenite, FeTiO in described microfine ilmenite
3content be 70-80%.
3. a kind of sea-water mud conditioning agent according to claim 2, is characterized in that: FeTiO in described microfine ilmenite
3content be 75-78%.
4. a kind of sea-water mud conditioning agent according to claim 1, is characterized in that: the colloidity of described sodium bentonite is 96-98%, and sand factor is 0.09-0.24%.
5. a kind of sea-water mud conditioning agent according to claim 4, is characterized in that: the colloidity of described sodium bentonite is 97%, and sand factor is 0.12%.
6. a kind of sea-water mud conditioning agent according to claim 1, is characterized in that: described dispersion agent selects one or more in sodium polystyrene sulfonate, water glass, sodium aluminate, soda ash, modified lignosulfonates.
7. a kind of sea-water mud conditioning agent according to claim 1, is characterized in that: described dispersion agent selects sodium polystyrene sulfonate, water glass and modified lignosulfonates, and its mass ratio is 1:1.2-1.5:1.1.
8. a kind of sea-water mud conditioning agent according to claim 7, is characterized in that: described dispersion agent selects sodium polystyrene sulfonate, water glass and modified lignosulfonates, and its mass ratio is 1:1.3:1.1.
9. a kind of sea-water mud conditioning agent according to claim 1, is characterized in that: the mass parts of described sea-water mud conditioning agent is composed as follows: sodium bentonite 15 parts, 30 parts, caustic soda, polyacrylamide 3.2 parts, 5# white oil lubricant 4.8 parts, sodium metaaluminate 8 parts, potassium silicate 5 parts, 4.5 parts, calcium oxide, weighting agent 1.5 parts, dispersion agent 1.8 parts.
10. a kind of sea-water mud conditioning agent according to claim 1, it is characterized in that, the mass parts of described sea-water mud conditioning agent is composed as follows: sodium bentonite 16 parts, 35 parts, caustic soda, polyacrylamide 4.2 parts, 5# white oil lubricant 3.8 parts, sodium metaaluminate 7.5 parts, potassium silicate 6 parts, 4 parts, calcium oxide, weighting agent 1.5 parts, dispersion agent 1.5 parts.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510341058.7A CN105001840A (en) | 2015-06-18 | 2015-06-18 | Seawater mud modifier |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510341058.7A CN105001840A (en) | 2015-06-18 | 2015-06-18 | Seawater mud modifier |
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| Publication Number | Publication Date |
|---|---|
| CN105001840A true CN105001840A (en) | 2015-10-28 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510341058.7A Pending CN105001840A (en) | 2015-06-18 | 2015-06-18 | Seawater mud modifier |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106673523A (en) * | 2016-12-27 | 2017-05-17 | 中交第二航务工程局有限公司 | Protective mud applicable to pore forming by rotary drilling rig in geology of thick sand layer and preparation method of protective mud |
| CN106675536A (en) * | 2016-12-24 | 2017-05-17 | 中铁四局集团有限公司 | Novel environment-friendly pulping material and preparation method thereof |
| CN109867494A (en) * | 2019-04-19 | 2019-06-11 | 重庆建工第二建设有限公司 | A kind of machinery rotary digging pile wall slurrying method |
| CN112142362A (en) * | 2020-09-04 | 2020-12-29 | 中交第二航务工程局有限公司 | Efficient seawater slurry regulator |
| CN112299681A (en) * | 2020-09-03 | 2021-02-02 | 西南石油大学 | Preparation method of water-based mud/drilling cuttings drying agent |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6831043B2 (en) * | 2002-01-31 | 2004-12-14 | M-I Llc | High performance water based drilling mud and method of use |
| CN102079972A (en) * | 2010-12-30 | 2011-06-01 | 大庆石油管理局 | Saturated saltwater mud |
| CN102382633A (en) * | 2010-08-31 | 2012-03-21 | 中国海洋石油总公司 | Silicate grout for deep water |
| CN103119123A (en) * | 2011-07-11 | 2013-05-22 | 埃尔凯姆有限公司 | Oil well drilling fluids, oil well cement composition, and slurry of weighting material comprising ilmenite |
-
2015
- 2015-06-18 CN CN201510341058.7A patent/CN105001840A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6831043B2 (en) * | 2002-01-31 | 2004-12-14 | M-I Llc | High performance water based drilling mud and method of use |
| CN102382633A (en) * | 2010-08-31 | 2012-03-21 | 中国海洋石油总公司 | Silicate grout for deep water |
| CN102079972A (en) * | 2010-12-30 | 2011-06-01 | 大庆石油管理局 | Saturated saltwater mud |
| CN103119123A (en) * | 2011-07-11 | 2013-05-22 | 埃尔凯姆有限公司 | Oil well drilling fluids, oil well cement composition, and slurry of weighting material comprising ilmenite |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106675536A (en) * | 2016-12-24 | 2017-05-17 | 中铁四局集团有限公司 | Novel environment-friendly pulping material and preparation method thereof |
| CN106673523A (en) * | 2016-12-27 | 2017-05-17 | 中交第二航务工程局有限公司 | Protective mud applicable to pore forming by rotary drilling rig in geology of thick sand layer and preparation method of protective mud |
| CN109867494A (en) * | 2019-04-19 | 2019-06-11 | 重庆建工第二建设有限公司 | A kind of machinery rotary digging pile wall slurrying method |
| CN112299681A (en) * | 2020-09-03 | 2021-02-02 | 西南石油大学 | Preparation method of water-based mud/drilling cuttings drying agent |
| CN112299681B (en) * | 2020-09-03 | 2022-06-17 | 西南石油大学 | Preparation method of water-based mud/drilling cuttings drying agent |
| CN112142362A (en) * | 2020-09-04 | 2020-12-29 | 中交第二航务工程局有限公司 | Efficient seawater slurry regulator |
| CN112142362B (en) * | 2020-09-04 | 2022-04-29 | 中交第二航务工程局有限公司 | Efficient seawater slurry regulator |
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Application publication date: 20151028 |
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