CN1305965C - Cation asphalt anti-collapse agent emulsion and its producing method and using method - Google Patents
Cation asphalt anti-collapse agent emulsion and its producing method and using method Download PDFInfo
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- 239000003795 chemical substances by application Substances 0.000 title claims abstract description 102
- 239000010426 asphalt Substances 0.000 title claims abstract description 85
- 150000001768 cations Chemical class 0.000 title claims abstract description 57
- 239000000839 emulsion Substances 0.000 title claims abstract description 53
- 238000000034 method Methods 0.000 title claims abstract description 17
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 54
- 238000005553 drilling Methods 0.000 claims abstract description 22
- 239000002270 dispersing agent Substances 0.000 claims abstract description 20
- 238000004519 manufacturing process Methods 0.000 claims abstract description 14
- 230000001804 emulsifying effect Effects 0.000 claims description 19
- 230000003750 conditioning effect Effects 0.000 claims description 17
- 238000005660 chlorination reaction Methods 0.000 claims description 12
- 125000000118 dimethyl group Chemical group [H]C([H])([H])* 0.000 claims description 6
- YORVHKFEFYWLLJ-UHFFFAOYSA-N CCCCCCCCCCCCCCCCCCN.CN(C)C Chemical compound CCCCCCCCCCCCCCCCCCN.CN(C)C YORVHKFEFYWLLJ-UHFFFAOYSA-N 0.000 claims description 3
- UXVMQQNJUSDDNG-UHFFFAOYSA-L Calcium chloride Chemical compound [Cl-].[Cl-].[Ca+2] UXVMQQNJUSDDNG-UHFFFAOYSA-L 0.000 claims description 3
- SNRUBQQJIBEYMU-UHFFFAOYSA-N Dodecane Natural products CCCCCCCCCCCC SNRUBQQJIBEYMU-UHFFFAOYSA-N 0.000 claims description 3
- ZLMJMSJWJFRBEC-UHFFFAOYSA-N Potassium Chemical compound [K] ZLMJMSJWJFRBEC-UHFFFAOYSA-N 0.000 claims description 3
- -1 amine salt Chemical class 0.000 claims description 3
- QGZKDVFQNNGYKY-UHFFFAOYSA-O ammonium group Chemical group [NH4+] QGZKDVFQNNGYKY-UHFFFAOYSA-O 0.000 claims description 3
- NKWPZUCBCARRDP-UHFFFAOYSA-L calcium bicarbonate Chemical compound [Ca+2].OC([O-])=O.OC([O-])=O NKWPZUCBCARRDP-UHFFFAOYSA-L 0.000 claims description 3
- 229910000020 calcium bicarbonate Inorganic materials 0.000 claims description 3
- VTYYLEPIZMXCLO-UHFFFAOYSA-L calcium carbonate Substances [Ca+2].[O-]C([O-])=O VTYYLEPIZMXCLO-UHFFFAOYSA-L 0.000 claims description 3
- 235000010216 calcium carbonate Nutrition 0.000 claims description 3
- 239000001110 calcium chloride Substances 0.000 claims description 3
- 229910001628 calcium chloride Inorganic materials 0.000 claims description 3
- BRPQOXSCLDDYGP-UHFFFAOYSA-N calcium oxide Chemical compound [O-2].[Ca+2] BRPQOXSCLDDYGP-UHFFFAOYSA-N 0.000 claims description 3
- 239000000292 calcium oxide Substances 0.000 claims description 3
- ODINCKMPIJJUCX-UHFFFAOYSA-N calcium oxide Inorganic materials [Ca]=O ODINCKMPIJJUCX-UHFFFAOYSA-N 0.000 claims description 3
- NAPSCFZYZVSQHF-UHFFFAOYSA-N dimantine Chemical compound CCCCCCCCCCCCCCCCCCN(C)C NAPSCFZYZVSQHF-UHFFFAOYSA-N 0.000 claims description 3
- 125000003438 dodecyl group Chemical group [H]C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])* 0.000 claims description 3
- 238000010438 heat treatment Methods 0.000 claims description 3
- 235000012204 lemonade/lime carbonate Nutrition 0.000 claims description 3
- 239000003077 lignite Substances 0.000 claims description 3
- UBGMVJFCVKEMNB-UHFFFAOYSA-N octadecan-3-amine Chemical compound CCCCCCCCCCCCCCCC(N)CC UBGMVJFCVKEMNB-UHFFFAOYSA-N 0.000 claims description 3
- 239000011591 potassium Substances 0.000 claims description 3
- 229910052700 potassium Inorganic materials 0.000 claims description 3
- 238000003756 stirring Methods 0.000 claims description 3
- 238000006277 sulfonation reaction Methods 0.000 claims description 3
- 235000018553 tannin Nutrition 0.000 claims description 3
- 239000001648 tannin Substances 0.000 claims description 3
- 229920001864 tannin Polymers 0.000 claims description 3
- VEXZGXHMUGYJMC-UHFFFAOYSA-M Chloride anion Chemical compound [Cl-] VEXZGXHMUGYJMC-UHFFFAOYSA-M 0.000 claims description 2
- 238000001914 filtration Methods 0.000 abstract description 13
- 230000000694 effects Effects 0.000 abstract description 10
- 239000012530 fluid Substances 0.000 abstract description 10
- 238000004945 emulsification Methods 0.000 abstract description 5
- 230000005611 electricity Effects 0.000 abstract description 2
- 230000002265 prevention Effects 0.000 abstract 3
- 239000003638 chemical reducing agent Substances 0.000 abstract 1
- 239000004615 ingredient Substances 0.000 abstract 1
- 239000002244 precipitate Substances 0.000 abstract 1
- 230000001105 regulatory effect Effects 0.000 abstract 1
- 239000000843 powder Substances 0.000 description 10
- 230000005764 inhibitory process Effects 0.000 description 9
- 235000015110 jellies Nutrition 0.000 description 9
- 239000008274 jelly Substances 0.000 description 9
- 239000007788 liquid Substances 0.000 description 3
- 239000011435 rock Substances 0.000 description 3
- 238000012360 testing method Methods 0.000 description 3
- 210000000481 breast Anatomy 0.000 description 2
- 239000000084 colloidal system Substances 0.000 description 2
- 238000001556 precipitation Methods 0.000 description 2
- 230000018044 dehydration Effects 0.000 description 1
- 238000006297 dehydration reaction Methods 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- ONCZQWJXONKSMM-UHFFFAOYSA-N dialuminum;disodium;oxygen(2-);silicon(4+);hydrate Chemical compound O.[O-2].[O-2].[O-2].[O-2].[O-2].[O-2].[O-2].[O-2].[O-2].[O-2].[O-2].[O-2].[Na+].[Na+].[Al+3].[Al+3].[Si+4].[Si+4].[Si+4].[Si+4] ONCZQWJXONKSMM-UHFFFAOYSA-N 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 238000012812 general test Methods 0.000 description 1
- 239000003208 petroleum Substances 0.000 description 1
- 239000003209 petroleum derivative Substances 0.000 description 1
- 230000000630 rising effect Effects 0.000 description 1
- 238000005070 sampling Methods 0.000 description 1
- 229940080314 sodium bentonite Drugs 0.000 description 1
- 229910000280 sodium bentonite Inorganic materials 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 238000010998 test method Methods 0.000 description 1
Landscapes
- Compositions Of Macromolecular Compounds (AREA)
- Emulsifying, Dispersing, Foam-Producing Or Wetting Agents (AREA)
Abstract
The present invention relates to a cation asphalt anti-collapse agent emulsion which comprises the following ingredients according to the proportion by weight: 40% to 56% of asphalt, 0% to 10% of regulating agent for a softening point, 0.7% to 3.0% of emulsification dispersing agent, 0% to 16% of filtration reducing agent and the balance of water. The cation asphalt anti-collapse agent emulsion has the characteristics of high asphalt content (higher than 40%), good water solubility of positive electricity (just like that ink is added to water, and the solution is uniform and does not have precipitates), good effects of collapse prevention and filtration reduction, and low cost. The present invention not only solves the problem that asphalt is difficult to dissolve in a water base drilling fluid system, but also eliminates the phenomena of peeling loss, looseness, collapse, etc. of well walls in well drilling industry by utilizing the characteristics of self adhesion, leakage prevention, collapse prevention, etc. of the asphalt. The cation asphalt anti-collapse agent emulsion has the advantages of good water solubility, high asphalt content and good effects of plugging and filtration reduction, and has a certain softening point. Thereby, the cation asphalt anti-collapse agent emulsion is an asphalt anti-collapse agent with the advantages of good water solubility and filtration reduction at present and has a wide application prospect. A production method and a usage method are convenient to operate and are easy to implement.
Description
Technical field
The present invention relates to the water-soluble pitch class anti-collapse and anti-falling filtration agent of use in the oil field drilling fluids production, is a kind of cation asphalt anti-collapse agent emulsion and production method thereof and using method.
Background technology
In oil field drilling fluids is produced, employed pitch class anti-collapse and anti-falling filtration agent has sulfonated gilsonite at present, rock asphalt, effect is better, but it is water-soluble only relatively poor, softening temperature is higher, badly when using at the scene directly add pitch in the water-base drilling fluid, and 90% be the water-based drilling liquid system in the drilling fluid system that petroleum drilling engineering uses, and along with the component difficulty of drilling engineering increases and the raising gradually of environmental requirement day by day, strong further to water-soluble anti-collapse and anti-falling filtration agent demand, and traditional sulfonated gilsonite, rock asphalt, its water-soluble all relatively poor (contrast sees Table 1), sulfonated gilsonite content be more than or equal to 25%, has 65% water-soluble, 6500 yuan/ton of unit prices, though and rock asphalt asphalt content height is water-soluble hardly, and softening temperature is more than 80 ℃, only use on the stratum more than 3500 meters, use range is narrower.
Summary of the invention
The invention provides a kind of cation asphalt anti-collapse agent emulsion and production method thereof and user, its good water solubility, the asphalt content height, it is good that filtration effect falls in shutoff, and has certain softening temperature, both solved the problem that pitch is insoluble in the water-based drilling liquid system, and solved in the well drilling industry borehole wall stripping again and lost, loose and phenomenon such as collapse, collapse.
One of technical scheme of the present invention realizes by following measure: a kind of cation asphalt anti-collapse agent emulsion, it consists of 40% to 56% pitch by weight percentage, 0 to 10% softening temperature conditioning agent, 0.7% to 3.0% emulsifying dispersant, 0% to 16% fluid loss agent, all the other are water; Wherein, above-mentioned softening temperature conditioning agent is one or more in calcium chloride, lime carbonate, calcium oxide and the Calcium hydrogen carbonate, above-mentioned emulsifying dispersant is in the two dodecyl chlorination ammoniums of chlorination trimethylammonium octadecylamine, dimethyl, the two octadecyl Dimethyl Ammonium of chlorination, the two 16-octadecyl ammonium of chlorination dimethyl, the double hexadecyl dimethyl alkyl ammomium chloride-kind or more than one, above-mentioned fluid loss agent is one or more in NF98-7 double focusing amine salt, sulfonated lignite, potassium humate, the sulfonation tannin extract.
Two of technical scheme of the present invention realizes by following measure: a kind of above-mentioned cation asphalt anti-collapse agent emulsion production method, it is undertaken by following step: at first pitch and the water with aequum heats respectively, 120-150 ℃ of pitch intensification, 60-90 ℃ of water intensification, in the time of water temperature 60-90 ℃, softening temperature conditioning agent with requirement, emulsifying dispersant and fluid loss agent, by a kind of along adding in continuous every 5-10 minute, and stir, treat that water temperature constant temperature is at 70-80 ℃, asphalt temperature constant temperature is in the time of 120-150 ℃, carry out fully emulsifiedly, obtain cation asphalt anti-collapse agent emulsion.
Three of technical scheme of the present invention realizes by following measure: a kind of above-mentioned cation asphalt anti-collapse agent emulsion production method, it is undertaken by following step: at first softening temperature conditioning agent, emulsifying dispersant and the fluid loss agent with aequum is dissolved in the hot water of aequum, water temperature will keep constant temperature at 70-80 ℃, simultaneously the pitch heating is kept 120-150 ℃ of constant temperature, next filters, carry out fully emulsifiedly, obtain cation asphalt anti-collapse agent emulsion.
Four of technical scheme of the present invention realizes by following measure: a kind of using method of above-mentioned cation asphalt anti-collapse agent emulsion, it is undertaken by following step: in drilling process, by adding above-mentioned cation asphalt anti-collapse agent emulsion 20-50 kilogram in per 1000 kilograms of water-based muds.
Cation asphalt anti-collapse agent emulsion of the present invention has asphalt content height (greater than 40%), (caing be compared to ink, to add in the entry effect the same for the positively charged good water solubility, evenly, there is not precipitation), anti-collapse and anti-falling filtration is effective, the characteristics that cost is low, utilize the present invention, both solved the problem that pitch is insoluble in the water-based drilling liquid system, utilize the adhesion of pitch self again, leakproof, characteristics such as anti-collapse, solve borehole wall stripping mistake in the well drilling industry, loose and collapse, phenomenon such as collapse, its good water solubility, the asphalt content height, it is good that filtration effect falls in shutoff, and having certain softening temperature, is the present water-soluble class of pitch preferably anti-collapse and anti-falling filtration agent, has broad application prospects.Production method of the present invention and using method are convenient to operation, and be easy to implement.
Embodiment
The present invention is not subjected to the restriction of following embodiment, can determine concrete embodiment according to technical scheme of the present invention and practical situation.
Below in conjunction with embodiment the present invention is further described:
Embodiment 1, and this cation asphalt anti-collapse agent emulsion consists of 56% pitch by weight percentage, 2% softening temperature conditioning agent, and 1.0% emulsifying dispersant, 2% fluid loss agent, all the other are water; This cation asphalt anti-collapse agent emulsion is detected the result who obtains as following table:
| Project | Index |
| Pitch softening point ℃ | 100 |
| Outward appearance | The brownish black jelly |
| Water dispersible | Homodisperse does not have floating decorating film |
| Relative inhibition | 0.380 |
| Colloidal stability, % | 99 |
| Electro kinetic potential, mv | 25 |
| Asphalt content, % | 55 |
Embodiment 2, and this cation asphalt anti-collapse agent emulsion consists of 52% pitch by weight percentage, 4% softening temperature conditioning agent, and 0.8% emulsifying dispersant, 4% fluid loss agent, all the other are water; This cation asphalt anti-collapse agent emulsion is detected the result who obtains as following table:
| Project | Index |
| Pitch softening point ℃ | 81 |
| Outward appearance | The brownish black jelly |
| Water dispersible | Homodisperse does not have floating decorating film |
| Relative inhibition | 0.420 |
| Colloidal stability, % | 98 |
| Electro kinetic potential, mv | 26 |
| Asphalt content, % | 51 |
Embodiment 3, and this cation asphalt anti-collapse agent emulsion consists of 50% pitch by weight percentage, 9% softening temperature conditioning agent, and 0.7% emulsifying dispersant, all the other are water: this cation asphalt anti-collapse agent emulsion is detected the result who obtains as following table:
| Project | Index |
| Pitch softening point ℃ | 72 |
| Outward appearance | The brownish black jelly |
| Water dispersible | Homodisperse does not have floating decorating film |
| Relative inhibition | 0.45 |
| Colloidal stability, % | 99 |
| Electro kinetic potential, mv | 29 |
| Asphalt content, % | 49 |
Embodiment 4, and this cation asphalt anti-collapse agent emulsion consists of 48% pitch by weight percentage, 8% softening temperature conditioning agent, and 1.2% emulsifying dispersant, 7% fluid loss agent, all the other are water; This cation asphalt anti-collapse agent emulsion is detected the result who obtains as following table:
| Project | Index |
| Pitch softening point ℃ | 63 |
| Outward appearance | The brownish black jelly |
| Water dispersible | Homodisperse does not have floating decorating film |
| Relative inhibition | 0.50 |
| Colloidal stability, % | 99 |
| Electro kinetic potential, mv | 27 |
| Asphalt content, % | 47 |
Embodiment 5, and this cation asphalt anti-collapse agent emulsion consists of 46% pitch by weight percentage, 6% softening temperature conditioning agent, and 1.5% emulsifying dispersant, 10% fluid loss agent, all the other are water; This cation asphalt anti-collapse agent emulsion is detected the result who obtains as following table:
| Project | Index |
| Pitch softening point ℃ | 52 |
| Outward appearance | The brownish black jelly |
| Water dispersible | Homodisperse does not have floating decorating film |
| Relative inhibition | 0.39 |
| Colloidal stability, % | 99 |
| Electro kinetic potential, mv | 26 |
| Asphalt content, % | 45 |
Embodiment 6, and this cation asphalt anti-collapse agent emulsion consists of 45% pitch by weight percentage, 2.0% emulsifying dispersant, and 12% fluid loss agent, all the other are water: this cation asphalt anti-collapse agent emulsion is detected the result who obtains as following table:
| Project | Index |
| Pitch softening point ℃ | 50 |
| Outward appearance | The brownish black jelly |
| Water dispersible | Homodisperse does not have floating decorating film |
| Relative inhibition | 0.30 |
| Colloidal stability, % | 99 |
| Electro kinetic potential, mv | 28 |
| Asphalt content, % | 44 |
Embodiment 7, and this cation asphalt anti-collapse agent emulsion consists of 42% pitch by weight percentage, 2.5% emulsifying dispersant, and 14% fluid loss agent, all the other are water: this cation asphalt anti-collapse agent emulsion is detected the result who obtains as following table:
| Project | Index |
| Pitch softening point ℃ | 45 |
| Outward appearance | The brownish black jelly |
| Water dispersible | Homodisperse does not have floating decorating film |
| Relative inhibition | 0.33 |
| Colloidal stability, % | 99 |
| Electro kinetic potential.Mv | 24 |
| Asphalt content, % | 41 |
Embodiment 8, and this cation asphalt anti-collapse agent emulsion consists of 40% pitch by weight percentage, 10% softening temperature conditioning agent, and 3.0% emulsifying dispersant, 16% fluid loss agent, all the other are water; This cation asphalt anti-collapse agent emulsion is detected the result who obtains as following table:
| Project | Index |
| Pitch softening point ℃ | 40 |
| Outward appearance | The brownish black jelly |
| Water dispersible | Homodisperse does not have floating decorating film |
| Relative inhibition | 0.340 |
| Colloidal stability, % | 99 |
| Electro kinetic potential, mv | 23 |
| Asphalt content, % | 40 |
In the foregoing description 1 to embodiment 8, above-mentioned softening temperature conditioning agent is one or more in calcium chloride, lime carbonate, calcium oxide and the Calcium hydrogen carbonate, above-mentioned emulsifying dispersant is one or more in the two dodecyl chlorination ammoniums of chlorination trimethylammonium octadecylamine, dimethyl, the two octadecyl Dimethyl Ammonium of chlorination, the two 16-octadecyl ammonium of chlorination dimethyl, the double hexadecyl dimethyl alkyl ammomium chloride, and above-mentioned fluid loss agent is one or more in NF98-7 double focusing amine salt, sulfonated lignite, potassium humate, the sulfonation tannin extract.
Cation asphalt anti-collapse agent emulsion in the foregoing description 1 to embodiment 8 can select for use following two kinds of production methods to obtain respectively:
One of its production method is: at first pitch and the water with aequum heats respectively, 120-150 ℃ of pitch intensification, 60-90 ℃ of water intensification, in the time of water temperature 60-90 ℃, with softening temperature conditioning agent, emulsifying dispersant and the fluid loss agent of requirement, by a kind of along adding in continuous every 5-10 minute, and stir, treat water temperature constant temperature at 70-80 ℃, asphalt temperature constant temperature during, carry out fully emulsifiedly, obtain cation asphalt anti-collapse agent emulsion at 120-150 ℃.
Two of its production method is: at first softening temperature conditioning agent, emulsifying dispersant and the fluid loss agent with aequum is dissolved in the hot water of aequum, water temperature will keep constant temperature at 70-80 ℃, simultaneously the pitch heating is kept 120-150 ℃ of constant temperature, next filters, carry out fully emulsifiedly, obtain cation asphalt anti-collapse agent emulsion.
The using method of the foregoing description 1 to embodiment 8 resulting cation asphalt anti-collapse agent emulsion of the present invention is: in drilling process, by adding 20 kilograms or 30 kilograms or 40 kilograms or 50 kilograms of above-mentioned cation asphalt anti-collapse agent emulsions in per 1000 kilograms of water-based muds.
Draw the key technical indexes such as the following table of cation asphalt anti-collapse agent breast of the present invention by the foregoing description:
| Project | Index |
| Pitch softening point ℃ | 40-100 |
| Outward appearance | The brownish black jelly |
| Water dispersible | Homodisperse does not have floating decorating film |
| Relative inhibition | ≤1.0 |
| Colloidal stability, % | ≥95 |
| Electro kinetic potential, mv | ＞20 |
| Asphalt content, % | ≥40 |
By above-mentioned detected result cation asphalt anti-collapse agent of the present invention as can be known Ruzhong, asphalt content is greater than 40%, (caing be compared to ink, to add in the entry effect the same for the positively charged good water solubility, evenly, there is not precipitation), anti-collapse and anti-falling filtration is effective, be a kind of fireballing anti-collapse dehydration agent that takes effect, have broad application prospects.
The control test result such as the following table of cation asphalt anti-collapse agent of the present invention breast and similar other products such as sulfonated gilsonite dry powder:
| The key technical indexes contrast | Sulfonated gilsonite dry powder | The present invention |
| State | Dry powder | Colloid |
| Asphalt content, % | ≥25 | ≥40 |
| Water-soluble, % | ≥65 | 100 |
| Positive polarity, mv | Do not have | ＞20 |
| Pitch softening point, ℃ | Do not have | 40℃、60℃……100℃ |
| Price | 6400 yuan/ton | 5700 yuan/ton |
| Anti-collapse speed and effect | Dry powder has the rising temperature for dissolving process, and softening point value is indeterminate, causes anti sloughing effectiveness slow | What the short frequency of colloid was fast acts on the borehole wall as paste, and softening temperature is corresponding with the well temperature, and anti sloughing effectiveness is good |
Learn that by last table contrast cation asphalt anti-collapse agent emulsion of the present invention has following characteristics:
1, the asphalt content of cation asphalt anti-collapse agent emulsion of the present invention approximately is 1.6 times in a sulfonated gilsonite dry powder;
2, the water-soluble of cation asphalt anti-collapse agent emulsion of the present invention is 100%, and sulfonated gilsonite dry powder be 65% water-soluble;
3, the electro kinetic potential of cation asphalt anti-collapse agent emulsion of the present invention is greater than 20mv, shows positive electricity; Sulfonated gilsonite dry powder then is zero.
4, cation asphalt anti-collapse agent emulsion of the present invention has certain softening temperature, and these series product divide 40 ℃, 60 ℃ ... the product of 100 ℃ of softening temperatures, sulfonated gilsonite dry powder does not then have.
5, the price of cation asphalt anti-collapse agent emulsion of the present invention is 5700 yuan/ton, and sulfonated gilsonite dry powder then is 6500 yuan/ton.
6, cation asphalt anti-collapse agent emulsion processing accident of the present invention is faster than the sulfonated gilsonite thousand powder speed that takes effect.
The detection method of the pitch class anti-collapse and anti-falling filtration agent of cation asphalt anti-collapse agent emulsion in the foregoing description and drilling fluid use at present all adopts GB or national sector standard to carry out, and is specific as follows: GB/r 4507-84 pitch softening point testing method (ring and ball method), GB6678-2003 Chemicals sampling general provisions, GB/T260 petroleum products aquametry, SY/T5490-90 drilling fluid test sodium bentonite, SY/T5664-94 shale-control agent for drilling fluid sulfonated gilsonite FT1, SY/T5621-93 drilling fluid test procedure, the SY/T5559 drilling fluid general test method of treatment agent.
Claims (5)
1. cation asphalt anti-collapse agent emulsion is characterized in that consisting of by weight percentage 40% to 56% pitch, 0 to 10% softening temperature conditioning agent, and 0.7% to 3.0% emulsifying dispersant, 0 to 16% fluid loss agent, all the other are water; Wherein, above-mentioned softening temperature conditioning agent is one or more in calcium chloride, lime carbonate, calcium oxide and the Calcium hydrogen carbonate, above-mentioned emulsifying dispersant is one or more in the two dodecyl chlorination ammoniums of chlorination trimethylammonium octadecylamine, dimethyl, the two octadecyl Dimethyl Ammonium of chlorination, the two 16-octadecyl ammonium of chlorination dimethyl, the double hexadecyl dimethyl alkyl ammomium chloride, and above-mentioned fluid loss agent is one or more in NF98-7 double focusing amine salt, sulfonated lignite, potassium humate, the sulfonation tannin extract.
2. production method according to the described cation asphalt anti-collapse agent emulsion of claim 1, it is characterized in that being undertaken by following step: at first pitch and the water with aequum heats respectively, 120-150 ℃ of pitch intensification, 60-90 ℃ of water intensification, in the time of water temperature 60-90 ℃, softening temperature conditioning agent, emulsifying dispersant and fluid loss agent with requirement, add a kind of in every in order 5-10 minute, and stir, treat that water temperature constant temperature is at 70-80 ℃, asphalt temperature constant temperature during at 120-150 ℃, carry out fully emulsifiedly, obtain cation asphalt anti-collapse agent emulsion.
3. production method according to the described cation asphalt anti-collapse agent emulsion of claim 1, it is characterized in that being undertaken by following step: at first softening temperature conditioning agent, emulsifying dispersant and the fluid loss agent with aequum is dissolved in the hot water of aequum, water temperature will keep constant temperature at 70-80 ℃, simultaneously the pitch heating is kept 120-150 ℃ of constant temperature, next filters, carry out fully emulsifiedly, obtain cation asphalt anti-collapse agent emulsion.
4. the using method of a cation asphalt anti-collapse agent emulsion according to claim 1 is characterized in that being undertaken by following step: in drilling process, by adding above-mentioned cation asphalt anti-collapse agent emulsion 20-50 kilogram in per 1000 kilograms of water-based muds.
5. the using method of a cation asphalt anti-collapse agent emulsion that obtains according to claim 2 or 3 described production methods, it is characterized in that being undertaken: in drilling process, by adding above-mentioned cation asphalt anti-collapse agent emulsion 20-50 kilogram in per 1000 kilograms of water-based muds by following step.
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| CN103215017A (en) * | 2013-04-11 | 2013-07-24 | 中国石油大学(华东) | Electronpositive borehole wall stabilizer applied to oil and gas drilling and preparation method of electronpositive borehole wall stabilizer |
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| CN1715333A (en) | 2006-01-04 |
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