Drilling Chemicals-High Performance Shale Inhibitor etc
High performance shale inhibitor R-03 （EPMC）
Product Description：
R-03, a highly effective shale inhibitor, is synthesized according to the target of molecular structure. This product can enter the clay layer, bind the clay layer together by electrostatic adsorption of protonated amine and hydrogen bond, and then reduce the crystal layer spacing of clay minerals in the shale and exert an inhibitory effect.
Product Specification：
Table 1 Physicochemical indexes R-03, highly effective shale inhibitor
Project | Index |
Appearance | Yellow to reddish liquid |
pH | 5-8 |
Density (25 ℃), g/cm3 | ≥1.050 |
Active substance content, % | ≥68 |
Table 2 High efficiency shale inhibitor R-03 inhibits bentonite pulping index
Project | Index | |
At room temperature | 600 r/min readings | ≤30 |
3 r/min readings | ≤15 | |
Dynamic shear force, Pa | ≤10 | |
After 65 ℃ hot rolled 16 h | 600 r/min readings | ≤30 |
3 r/min readings | ≤15 | |
Dynamic shear force, Pa | ≤10 | |
Table 3 Centrifugal anti-swelling index of high-efficiency shale inhibitor R-03
Project | Index |
Centrifugal anti - swelling ratio, % | ≥60 |
Can replace similar foreign products, cost-effective.
Scope of Application:
1. Shale has significant inhibitory effect, basically equal to that of foreign products;
2. It inhibits the grouting and expansion of clay in underground rock strata, but has little influence on the rheological properties of bentonite slurry that has been grouted, which is convenient for application;
3. After the optimization of synthesis, the price of polyamines is significantly lower than that of similar polyamines;
4. Good compatibility with other drilling fluid additives.
Usage and dosage：
Use add quantity is little, recommend add quantity 0.5%-1%.
Low fluorescence and low foam lubricant for drilling fluid R-16（EPMC）
Product Description：
Can reduce drill string friction, torque, improve mud lubrication;Extreme pressure resistance is strong, the lubrication film strength, mud cake of small friction coefficient, resistance to temperature above 150 ℃.
Product Specification：
Project | Index |
Apparent viscosity rise value,mPa·s ≤ | 5.0 |
Adhesion coefficient of clay cake decreased， % ≥ | 50.0 |
Fluorescence level ≤ | 5 |
Oil content ≥ | 80 |
Density variation，g/cm3 ≤ | 0.08 |
Foaming rate，% ≤ | 10 |
density，g/cm3 | 0.85-1.05 |
Scope of Appliction:
Drilling fluid can be added directly or added slowly into the circulating mud according to the circulation cycle.
Usage and dosage：
General addition is 1% ~ 3%, used in heavy mud, appropriate increase in addition.
Drilling Fluid Lubricant R-18（Contain mineral oil）
Product Description：
Reduce friction and torque of drill string, improve mud lubricity;Extreme pressure resistance, lubrication film strength.
Scope of application and features:
It is especially suitable for high slope well and deep well.
Products Specification：
Project | Index |
Apparent viscosity rise value,mPa·s ≤ | 5.0 |
Adhesion coefficient of clay cake decreased， % ≥ | 50.0 |
Foaming rate，% ≤ | 10 |
Oil content ≥ | 80 |
Density variation，g/cm3 ≤ | 0.08 |
density，g/cm3 | 0.85-1.05 |
Non-permeable reservoir protectant for drilling fluid ZD-Ⅰ（EPMC）
Product Description：
This product is made by adding compound film forming agent into the formula, forming film on the well wall and forming extremely thin mud cake.Add "acid-soluble material" to make the product partially acid-soluble;Adding "cationic surfactant", filtrate can prevent formation clay from swelling;The addition of nano-scale fiber and other complex has a certain plugging effect.Compared with similar oil and gas reservoir protectants at home and abroad, it has the obvious characteristics of little influence on the rheological properties of drilling fluid and is convenient for on-site construction.Minimal penetration of drilling fluid filtrate into the formation (sand penetration depth is only 2 ~ 5cm);
Scope of Application:
Can acidify dissolves (actually acid dissolves rate to amount to 70% above), facilitate acid defusing block.The important function of the product to add drilling fluid is to protect the oil and gas layer and reduce the damage of drilling fluid to the oil and gas layer.At the same time, the product also has the function of preventing leakage of permeability.It is suitable for the well segment which is about to enter oil and gas layer and the permeability leakage well segment.The product should be added before entering the oil and gas layer.Generally, 1% to 2% of the additive can be relaxed to 1% to 3% if there is permeability leakage.
Products Specification：
Project | Index |
Sieve residue mass fraction，% ≤ | 20.0 |
Viscosity rise value，mPa·s ≤ | 10 |
| Depth of filtrate immersed in sand bed，cm ≤ | 6 |
Type A acid solubility，% | 40 |
| Type B acid solubility，% ≥ | 70 |
Reverse plugging pressure relief,mPa.s ≤ | 5 |
Usage and dosage：
The product should be added before entering the oil and gas layer.Generally, 1% to 2% of the additive can be relaxed to 1% to 3% if there is permeability leakage.The addition method is also relatively simple, only need to add directly in the mixing leakage can be used, the use of the product mud vibration screen cloth using 80 mesh.
Drilling fluid with liquid card release agent R-30（Heavy-Duty）
Product Description：
The product is made of a variety of surfactants, mineral oils, emulsifiers and other synthetic and modulation, can effectively destroy the filter cake, so as to achieve the purpose of the drilling fluid card release agent.
Scope of Application：
According to the length of soaking well segment, the amount of liquid to be used for unstuck solution is calculated.
Products Specification：
Project | Index |
Appearance | Tan lotion |
Density , g/cm3 | 0.8-0.95 |
Stability (density difference between upper and lower parts of 7h)，g/cm3 | ≤0.10 |
Solution time card（min） | ≤30 |
Usage and dosage：
Under special conditions, it is necessary to add penetration agent fast T, and the amount of fast T is 0.1% to 1% of the solution.
Product Description
This product has the characteristics of fast dissolution, good suspension, strong rheological property, high slurry making rate, good lubrication performance and small friction coefficient, etc. The mud made by this bentonite has the strong ability of carrying cuttings and the function of protecting the hole wall, forming a mud cake with certain mechanical strength in the hole wall, maintaining the stability of the hole wall and preventing penetration.
Technical Specification
Main technical indicators（GB/T 5005-2010）:
project | Standard | |
suspension liquid | The viscosimeter reads ,600r/min | ≥30 |
Dynamic plastic ratio ,Pa/(mPa.s) | ≤3.0 | |
Filter Loss，ml | ≤16.0 | |
75μm sieve,% | ≤2.5 | |
Usage and dosage：
The products are packed in 50Kg, 100Kg, 200Kg iron drums or plastic drums with a net weight difference of 0.5±2kg per barrel.This product should pay attention to anti - fall, anti - freeze.The shelf life is two years.
Mud balling agent for drilling fluid R-04（EPMC）
Product Description:
Anti-mud balling agent r-04 for drilling fluid is a highly effective shale anti-mud balling agent synthesized according to the target of molecular structure. This product can enter into the clay layers and bind the clay lamella together by virtue of electrostatic adsorption of protonated amine and hydrogen bond, thus reducing the crystal layer spacing of clay minerals in shale and playing an inhibiting role.
Technical Specification:
Table 1 physical and chemical indexes of anti-mud baling agent r-04 for drilling fluid
project | Standard |
Appearance | yellow to reddish liquid |
pH | 5-8 |
Density，（25℃），g/cm3 | ≥1.05 |
Table 2 mud balling agent r-04 used in drilling fluid to suppress bentonite grouting index
project | Standard | |
At room temperature | 600r/min | ≤30 |
3r/min | ≤15 | |
DY，Pa | ≤10 | |
Table 3 centrifugal inflation prevention index of anti-mud balling agent r-04 for drilling fluid
project | Standard |
Centrifugal inflation resistance，% | ≥60 |
Scope and features:
Compared with similar products at home and abroad, this product has the following characteristics:
1. Shale inhibition effect is significant, which is basically the same as foreign products;
2. It can inhibit the clay in underground rock formation to make slurry and expand, but it has little influence on the rheological properties of bentonite slurry that has been made, which is convenient for application;
3. After the synthesis and optimization, the price is significantly lower than that of similar products;
4. Good compatibility with other drilling fluid additives;
5, in order to prevent mud bag, must cooperate with the system;Must allocate the system performance;
Usage and dosage:
Recommended dosage:According to the actual situation of the well site, the recommended dosage: 1%-3%.
Oil - based mud emulsifier for drilling fluid R-Y01（EPMC）
Product Description:
R-Y01 is a polymeric polymer emulsifier, which is suitable for diesel oil base, white oil base oil-water inclusion oil-base mud system;It has excellent emulsification.The oil base system of R-Y system has good emulsification performance and anti-pollution performance.Can achieve the ideal "low viscosity and high shear" : in the case of small apparent viscosity, the ideal dynamic shear force and static shear force, basically does not change in the downhole circulation process.Oil-based R - Y system resistance temperature above 200 ℃.At the same time, R-Y01 also has excellent wettability, the use of r-y system oil-based mud can be appropriate to reduce or do not use wetting agent: in the prepared oil-water inclusion system, usually increased to 1.6g/cm3 does not need to increase the amount of R-Y01, higher than 1.6g/cm3 appropriately increase the amount of R-Y01.
Scope of application:
Note: 1, if the temperature is below 120 ℃, with about 0.5%;2, using a temperature higher than 150 ℃, need to add the amount of more than 1%.Demulsification voltage > 800V.
Can replace similar foreign products, cost-effective.
Usage and dosage:
Add directly to the circulation system, recommend adding 0.5% to 3%.
Oil base mud auxiliary emulsifier for drilling fluid R-Y02 (EPMC)
Product Description:
R-Y02 is a multi-ion group compound with excellent emulsifying ability, which is suitable for oil-base mud system of diesel-base and white-oil-base water-in-oil drilling fluids.R-y02 is highly oil-wet and can adjust the hydrophilic and oil-wet balance of the system.When cooperating with R-Y01, the demulsification voltage and rheological properties of the system can be adjusted by adjusting the dosage of R-Y02.
Scope of application:
Note: 1, if the temperature is below 120 ℃, with about 0.5%;2, using a temperature higher than 150 ℃, need to add the amount of more than 1%.Demulsification voltage > 800V.
Can replace similar foreign products, cost-effective.
Usage and dosage:
Add directly to the circulation system, recommend adding 0.5% to 3%.
Oil - based mud loss reducer for drilling fluid R-Y03（EPMC）
Product Description:
This product is a modified compound synthesized by oxidation, condensation and other processes of natural macromolecular compounds.Due to the existence of polar groups such as carboxyl group, hydroxyl group and carbonyl group in the molecular composition, strong adsorption force can be generated on the rock surface. After it is added into water-in-oil drilling fluid, it can be closely adsorbed on the rock surface in the drilling process.The compound has appropriate average molecular weight and optimized molecular weight distribution, which is conducive to dense adsorption between rock layers and filtration loss reduction at various temperatures.In the diesel fuel base system, R-Y03 can be combined with the main emulsifier R-Y01 and the auxiliary emulsifier R-Y02 to obtain the ideal filtration loss reduction performance and improve the demulsification voltage of the system.R - Y03 can be used in the system at low temperature, also can be used for high temperature and ultra high temperature system, in more than 200 ℃ keep good fluid loss effect, can be used alone, also can use with R - Y oil-base mud system, to obtain a better effect of fluid loss.
The fluorescence level of this product is less than or equal to 5, which can also be used in systems requiring no fluorescence.
Usage and dosage:
Add directly into the mud through the feeding funnel. The recommended amount is 1.5% to 3%. The specific amount depends on the filtration loss.
Oil based mud organic bentonite for drilling fluid R-Y05（EPMC）
Product Description:
Organic bentonite is a natural high-quality calcium bentonite as raw material, after purification, modification, long chain organic cation covering and other processes refined.Due to its hydrophobic oleophilic characteristics, which can be dispersed in oil, forming thixotropic gels, its role and, similar to bentonite in water base drilling fluid has good anti-settling, thickening and reduced water loss, and so on, the solvent polarity to adapt to the range and suitable temperature range wide, various kinds of oil-base drilling completion fluid can be added directly, usually added amount of 2% to 5%.
Can replace similar foreign products, cost-effective.
Scope of application:
(1) in the oil, has a good anti-sink, thickening and water loss and so on;
(2) with excellent thermal stability, resistance to temperature of 200 ℃ or above, can be used in the ultra deep well.
(3) strong ability to resist pollution;Suitable for drilling salt layer, salt-paste layer and other complex strata;
(4) non-toxic, conducive to environmental protection;
(5) good compatibility with treating agent.
Usage and dosage:
Oil base mud wetting agent for drilling fluid R-Y06 (EPMC)
Product Description:
Alkyl alcohol and anhydride and other raw materials through esterification and sulfonation reaction production, is anionic surfactant.R-Y06 not only has good permeability, can greatly reduce the surface tension, but also through wetting reversal effect, improve the oilophilicity of the weighting agent, prevent the sedimentation of the weighting agent in the oil, enhance the suspension capacity, is an indispensable treatment agent for high-density oil-based drilling fluid or mixed oil drilling fluid system, the general dosage is 1.0%-2.0%.
Can replace similar foreign products, cost-effective.
Scope of application:
(1) can effectively prevent the weight agent in the oil settlement, enhance the suspension capacity;
(2) good permeability;
(3) add less, the prepared oil base drilling fluid stability is strong;
(4) good compatibility with the treatment agent;
(5) non-toxic, conducive to environmental protection.
Usage and dosage:
Oil - based mud plugging agent for drilling fluid R-Y09 (EPMC)
Product Description:
The product is made up of imported oil-soluble fiber, oil-soluble swelling resin, surfactant and acid-soluble additive.Prepared with the product leak slurry into leakage layer, under the action of pressure difference, fast filtration, quickly form a certain initial strength of filter cake and sealing plugging layer, and at the bottom of the bottom pressure and temperature, as the growth of the time, the formation of the filter cake gradually solidified, the confined ability is greatly increased, thus to seal leakage layer.It is suitable for the well leakage encountered in oil base drilling fluid drilling, especially for the small crack leakage plugging effect is particularly effective.
It is suitable for the well leakage encountered in oil base drilling fluid drilling, especially for the small crack leakage plugging effect is particularly effective.
Can replace similar foreign products, cost-effective.
Technical Specification:
Project | Index |
Appearance | A mixture of powdered fibers of milky white or light gray |
Water content，% | ≤15 |
stabilization，% | ≥80 |
Filtration time，s | ≤60 |
Loss of slurry after plugging，ml | ≤40 |
Usage and dosage:
In diesel oil or white oil, add 8-10% R-Y09 evenly, stir evenly, and increase to the required density.
Product Description:
Methyl sulfonate latex can aggregate cement particles into film, reduce the permeability of mud cake, and fully guarantee the pumping fluidity and displacement efficiency of cement slurry.At the same time, the conventional performance of cement slurry is better than the slurry, with obvious characteristics of rapid coagulation, early strength, low water loss, right-angle thickening, etc., which can not only ensure the dynamic water retention of cement slurry, but also improve the cementation performance between cement ring, casing and formation.
Performance advantages:
1. Minimize the ring gap between cement ring and stratum and casing, and reduce the cracks and sand holes caused by cement drying;2, excellent rheological properties, can avoid the occurrence of gas channeling phenomenon;3. Good toughness can improve the dynamic mechanical properties of cement slurry, improve the dynamic impact resistance of cement ring against perforation (fracturing, etc.), and reduce the probability of damage of cement ring during perforation or drilling;4. Improve the compactness and permeability of cement slurry, improve the corrosion resistance, and help delay the life of production Wells.Usage and recommended dosage: good compatibility with cement slurry and other cement slurry additives;5. Add 17.5mL of NaCL, 20% of 332mL, and mix for 10 minutes.Foam disappears in 60 seconds;At 160 degrees Fahrenheit (72 + 2 ℃) in the furnace for 16 hours, no layered mixture are removed.Recommended dosage: 5% - 10%.
Technical Specification:
Project | Index |
Appearance | Milky white flowing liquid |
Total solid content (mass fraction)/% | ≥48.0% |
viscosity/（mPa·s） | ≤300 |
pH | 6.0～8.0 |
Surface tension/（mN/m） | 40～55 |
Foaming rate/ % | ≤ 5 |
Sedimentation rate/ % | 0 |
Usage and dosage:
Recommended dosage: 5% - 10%.
