Drilling Chemicals-Flocculant For Drilling Fluid
Flocculant for drilling fluid R-02 (EPMC)
Product Description：
Suitable for polymer mud flocculation, inclusion, inhibition of formation grouting, salt resistance up to 5-15%.The treating agent also has the characteristics of reducing filtration loss, low viscosity effect, inhibiting hydration expansion and dispersion of mud shale and controlling slurry making.
Product Specification：
Project | Index | |
Appearance | White flowing powder | |
Water content，% | ≤10 | |
Apparent viscosity，mPa·s | Distilled water +1.0% sample | ≥5 |
Fresh water slurry +0.1% sample | ≥10 | |
Saltwater slurry +0.3% sample | ≥20 | |
API，ml | Fresh water slurry +0.1% sample | ≤15 |
Saltwater slurry +0.3% sample | ≤20 | |
Intrinsic viscosity，dl/g | ≥3.0 | |
Relative inhibition | ≤1.0 | |
Usage and dosage：
It is recommended to add 0.3-0.8% and the maximum amount is 1%
Low viscosity carboxymethyl cellulose for drilling fluid CMC-LV（EPMC）
Product Description：
Wettability, soluble in water into a transparent viscous colloidal solution.Good chemical stability, not easy to corrosion and deterioration, completely harmless to physiology, with suspension and stable emulsification, good adhesion and salt resistance, in addition to a certain degree of resistance to temperature;Used to reduce drilling fluid filtration.
Product Specification：
Project | Index |
Starch or starch derivative | NO |
Viscometer 600r/min reading value ≤ | 90 |
Suspension filtration loss/ml ≤ | 10 |
Usage and dosage：
Add 0.5-2.0% water base drilling fluid.
High efficiency fluid loss reducer for drilling fluid R-191（EPMC）
Product Description：
The utility model relates to a filter loss reducing agent which is resistant to high temperature and calcium salt pollution.Suitable for fresh water, salt water, calcium undersaturated salt water drilling fluid pollution, under the condition of 120 ℃ high temperature resistant CaSO4 30% NaCl + 30% of pollution.
Scope of application and features:
1. Applicable to various mud systems, especially environmental mud systems.
2. Good resistance to salt and calcium pollution.
3. This product is non-toxic and biodegradable.
Products Specification：
Project | Index | |
Water content，% | ≤10 | |
30% NaCl + 1% CaSO4 drilling fluid samples after 120 ℃ hot rolled 16 h | Low temperature and low pressure filtration loss | ≤30 |
Apparent viscosity，mPa·s | ≤20 | |
Usage and dosage：
Add 0.5 ~ 1.0% water base drilling fluid.
High temperature salt and filtrate reducing agent is used for drilling fluidR-12（Sulfonated material）
Product Description：
It can significantly improve the ability of the drilling fluid to resist paste salt and reduce filtration loss at high temperature.Used for filtration reduction of all kinds of fresh water and 30% brine drilling fluid;Resistance temperature of 150 ℃ or more;Both have a certain dilution effect, especially in the high density drilling fluid in the basic viscosity.
Products Specification：
Project | Index |
Appearance | Black brown powder |
Water content，% | ≤15 |
Reduction rate of high temperature and high pressure filtration loss of fresh water base slurry, % | ≥35 |
Apparent viscosity of fresh water base slurry after aging, mpa.s | ≤25 |
Reduction rate of high temperature and high pressure filtration of 15% salt water base slurry, % | ≥50 |
Apparent viscosity of 15% saline water base slurry after aging, mpa.s | ≤35 |
Usage and dosage：
Add R-12 directly or into the drilling fluid as glue.The recommended dosage (dry agent) is 3 ~ 8%.
Drilling fluid with temperature resisting salt resisting fluid loss agent R-13（Sulfonated material）
Product Description：
It can significantly improve the resistance to high temperature and filtration loss of drilling fluid under high temperature conditions.Suitable for all kinds of fresh water, 15% salt water drilling fluid loss and can resistance to temperature 150 ℃.
Scope of Application：
1, suitable for all kinds of fresh water, salt water drilling fluid filtration;
2. Suitable for filtration loss reduction of drilling fluids with various densities, especially those with high and ultra-high densities;
3, both have a certain dilution effect, especially in the ultra-high density drilling fluid in the basic viscosity;
4, high temperature resistance is strong, can be above 150 ℃.
Products Specification：
Project | Index |
Water content，% | ≤10.0 |
pH | 8～11 |
Water content，%，mPa·s | ≤30 |
Low temperature and low pressure filtration loss，mL | ≤15 |
High temperature and high pressure filtration loss of 15% brine test slurry，mL | ≤45 |
Usage and dosage：
Add directly or mix gel solution into drilling fluid, the recommended dosage (dry agent) is 3 ~ 5%.
Salt resistant polymer filtration reducer for drilling fluid R-23（EPMC）
Product Description：
The product is made of modified natural polymer and synthetic polymer, which react under certain temperature and pressure. It can significantly improve the salt resistance and filtration loss reduction performance of drilling fluid, maintain the rheological property of mud during drilling, and have certain temperature resistance effect. It is a kind of broad spectrum filtration loss reduction agent.
Scope of Application：
1, suitable for all kinds of fresh water, salt water, saturated salt water drilling fluid filtration;
2. Suitable for filtration loss reduction of various low-density, medium-high density and ultra-high density drilling fluids and completion fluids;
3, both have a certain dilution effect, especially in ultra-high density drilling fluid viscosity;
4. Strong salt resistance.
Products Specification:
Project | Index | |
Water content，% ≤ | 10.0 | |
pH | 7~9 | |
API ≤ | 10 | |
Constant temperature 150 ℃ x 16 h | Apparent viscosity of 30% saline slurry, mPa·s ≤ | 40 |
High temperature and high pressure filtration loss of 30% saline slurry, ml ≤ | 30 | |
Reduction rate of high temperature and high pressure filtration of 30% saltwater slurry, % ≥ | 85 | |
Usage and dosage：
The recommended dosage (dry agent) in drilling fluid is 1% ~ 3%.
Drilling fluid loss agent with high temperature resistance of saturated salt R - 27 (180 ℃)（EPMC）
Product Description:
Drilling fluid loss agent with high temperature resistance of saturated salt (180 ℃), R - 27 is AMPS copolymer derivatives, the fluid loss agent can significantly improve the ultra high temperature under the condition of drilling fluid temperature resistance, salt resistance, fluid loss performance,;Suitable for all kinds of undersaturated salt water and fresh water drilling fluid under 180 ℃ high temperature fluid loss.
Scope and features:
1, applies to 180 ℃ of fresh water, salt water (such as potassium chloride, sodium chloride, magnesium chloride, calcium chloride brine) drilling fluid loss;
2, suitable for all kinds of density conditions, especially high and ultra-high density drilling fluid filtration loss;
3. The recommended dosage (dry agent) in drilling fluid is 2-5%.
Technical Specification:
Project | Index | |
Appearance | A white, grayish - white powder or particle | |
Water content，% | ≤10 | |
Screening rate (20 mesh screening), % | ≥50 | |
pH | 7~9 | |
Constant temperature 180 ℃ x 16 h | Apparent viscosity of 30% saline slurry，mPa·s | ≤50 |
High temperature and high pressure filtration loss of 30% saline slurry，ml | ≤40 | |
Reduction rate of high temperature and high pressure filtration loss of 30% saline slurry，% | ≥85 | |
Usage and dosage:
The recommended dosage (dry agent) in drilling fluid is 0.5-2%.
Drilling fluid with ultra-high temperature anti-salt filtration agent R-28（EPMC）
Product Description:
R-28, an ultra-high temperature anti-saturated salt filtration-reducing agent used in drilling fluid, is a filtration-reducing agent of AMPS copolymer, which can significantly improve the temperature resistance, salt resistance and filtration-reducing performance of drilling fluid under ultra-high temperature.Suitable for all kinds of undersaturated salt water and fresh water drilling fluid under 200 ℃ high temperature fluid loss.
Scope of application:
1, applies to 200 ℃ of fresh water, salt water (such as potassium chloride, sodium chloride, magnesium chloride, calcium chloride brine) drilling fluid loss;
2. Suitable for filtration loss reduction of drilling fluids with various densities, especially those with high and ultra-high densities;
3. The recommended dosage (dry agent) in drilling fluid is 0.5-2%.
Technical Specification:
Project | Index | |
Appearance | A white, grayish - white powder or particle | |
Water content，% | ≤10 | |
Screening rate (20 mesh screening), % | ≥50 | |
pH | 7~9 | |
Constant temperature 200 ℃ x 16 h | Apparent viscosity of 30% saline slurry，mPa·s | ≤40 |
High temperature and high pressure filtration loss of 30% saline slurry，ml | ≤40 | |
Reduction rate of high temperature and high pressure filtration loss of 30% saline slurry，% | ≥85 | |
Usage and dosage:
The recommended dosage (dry agent) in drilling fluid is 0.5-2%.
Drilling with high water loss acid solution plugging agent R-19 (EPMC)
Product Description:
The leak slurry, the product makes up into the formation filtration channels, under the action of pressure difference, rapid water loss (fastest in a few seconds), which soon has certain initial strength of filter cake and plugging layer, the initial pressure of 4 mpa s. above, in the gentle, under the action of pressure difference of filter cake gradually solidified, the confined ability improved, 24 hours of 20 mpa is even higher.The acid solubility of the product is more than 70%, which is conducive to protecting the production layer and recovering after plugging.In the process of plugging in the case of large filtration loss can also be mixed with bridge plug plugging material, such as walnut shell plugging, the effect is very significant.
Scope of application:
1. Suitable for plugging medium to large leakage in the drilling process;
2. High pressure after plugging;
3. Convenient preparation and simple use;
4. The slurry made up of the plugging agent can be aggravated, which is suitable for plugging under various density mud conditions;
5. For crushing leakage, in addition to plugging the leakage, there is a sealing effect.
（The performance index is satisfied with HHH highly effective acid soluble plugging agent, and conforms to the technical standard requirements of petrochina and sinopec.）
Technical Specification:
Project | Index |
Appearance | A mixture of powdered fibers of milky white or light gray |
Water content，% | ≤15 |
Stability, % | ≥80 |
Filtration time, s | ≤60 |
The acid solubility, % | ≥70 |
Loss of slurry before plugging，ml | All the loss |
Loss of slurry after plugging，ml | ≤40 |
Usage and dosage:
1、For permeability, micro-fracture, porosity well leakage, V leakage is no more than 3-5m3/h, can be used as drilling plugging agent, add 2-3%, directly into a variety of mud can be.
2. For small fracture porosity well leakage, 3-5 m3/h is less than or equal to 30m3/h for V leakage less than or equal to 30m3/h. The plugging slurry can be prepared according to the formula: water +15-30% R-19 for plugging.
3. For the well leakage with large fractures (above 3mm), the leakage of 30m3 /h is less than or equal to V and less than or equal to 60m3/h. The plugging slurry prepared by water +25-40% R-19 +2-4% walnut shell +1-3% mica can be used to plug the leakage.
4. For large fracture and karst cave well leakage, V leakage is greater than or equal to 60m3/h or loss of return, which can be integrated with cement.
