DESHI CHEM Group is a high-tech enterprise group specialized in the research, development and production of the techniques and products of enhancing oil recovery by chemical methods. It includes Beijing DESHI Oilfield Chemical Engineering and Technological Research Center, Shandong DESHI CHEM Group Co., Ltd., Shandong DESHI Petroleum Equipment Co., Ltd., Dongying Colloid and Interface Chemistry Engineering and Technological Research Center, Dongying DESHI XINGYUAN Oil Auxiliaries Co., Ltd. and Shangdong DESHI Environmental Engineering Co., Ltd
.
We are Committed to providing advanced oilfield chemicals and chemical oil recovery technical services.Being the leading enterprise in chemical oil recovery services. Serving the oilfields by using top-ranking products and techniques. Making great efforts to the low-cost efficient development of the oil resources.
The company group has 4 experts groups:1Experts group for chemical displacement of reservoir oil of conventional oil reservoir.2Experts group for thermochemistry oil recovery of viscous reservoir.3Experts group for the comprehensive treatment of produced fluid of oilfield.4Experts group for oil-water process equipment of oilfield.These 4 experts groups cover all the professional fields in the chemical exploiting and produced fluid treatment of oilfield. And this guarantees DESHI groups offer of all-around first-class service to the chemical exploiting of oilfield.
Producing plant:The company owns a workshop of 10,000 with international advanced large polymerization reaction units and advanced inspection equipment for product quality. The annul production capacity is up to 30,000 ton.
Core technology:(1) surfactant-polymer flooding technology(2) The synthesis technique of thermodynamic chemistry oil recovery (3) The technique of handling the produced fluid of tertiary oil recovery(4) Oil-water process equipment and technology.DESHI CHEM Group also provide other oilfield chemicals and technical services
1. Chemical blockage removing technologies and products
2. Water shutoff and profile control technologies and products
3. Chemical sand control technologies and products
4. Oilfield wastewater treatment technologies and products
5. Waste Mud and waste liquid treatment technologies and products
6. Crude oil pour point depression, viscosity reduction and drag reduction technologies and products
7. Low tension backwashing filtration container transformation technologies and products
8. Crude oil dewatering and desalting technologies and products
9. Oil chemical method of reducing pressure and increasing injection with low-permeability technologies
10. Wax-elimination and wax-prevention technologies
Using the continuous technology innovation, we offer strong technical support for the development of chemical oil recovery technology. Thanks to the constantly exploring in the three domain of conventional oil deposit exploiting, chemical thermal recovery for heavy oil and extra heavy oil and the treatment of oilfield produced fluid, we can offer motive force for the development of oil industry.
We will make contribution to the exploitation of energy resources for human society and also make great fortune for the shareholders and employees!
DESHI CHEMICAL GROUP
NOTE:
Following is a brief introduction of our products. For most of the products, we can provide customized formulations to meet the specific requirements of different wells and locations.
A001: Anti-swelling and sand control agent
This product is a kind of quaternary ammonium salt polymer used as an agent to prevent clay swelling. It works in reservoir with 5% clay content or more. It can effectively neutralize the surface charge of montmorillonite and inhibit clay swelling. The product also works well under high temperature environment up to 300o C.
Technical Specifications
Specifications Standard
Physical and chemical specs Appearance Colorless to yellow viscous liquid
Solubility Soluble in water
PH 5-9
Solid Content, % ≥15
Performance Specs Expansion, mm ≤2.5
Sand inhibition , 2h, 900mL/h Turbidity≤80, Sand Content≤0.005g/L
A002: Paraffin inhibitor and removal agent
This product has water-based and oil-based categories which use water and organic solvents as the dispersion medium. It is prepared with a variety of surfactants, mutual solvents, and other active agent compound (formula adjustable based on different conditions). The product can be widely used in high wax content oil wells, pipelines.
Technical Specifications
Specifications Standard
Water based Oil based
Appearance Homogeneous liquid
Freeze point, ℃ Lower than the lowest local winter temperature
Flash point, ℃ ≥15
PH 7.0～10.0 ?
Solubility Soluble in water Not soluble in water
Wax control rate(1～2%Solution), % ≥15 ≥20
SO2 content, % NIL
Organic Chlorine, % NIL
Wax dissolving speed(50℃), g/min ?? >0.016
A003 Heavy crude oil viscosity reducer
The series of products is a combination of surfactants, mutual solvents and organic solvent. This product can reduce the heavy oil viscosity and doesn't contain any emulsifiers. This will not affect the process of demulsifying and refining. This product reduces the viscosity of heavy oil with high resin and asphalt content. This product also works well under high temperature 250 ℃.
Technical Specifications
Specifications Standard
Appearance Homogeneous liquid
Solubility Soluble in water
PH 6~8
Surface tension(1%water solution), mN／m ≤32
Interfacial tension(1%water solution), mN／m ≤3
Viscosity reducing ratio
(50℃) Crude viscosity mPa?S ≤1000 ≥95.0%
1000~10000 ≥98.0%
10000~50000 ≥99.0%
Emulsion stability Level(1~4)
Dewatering rate of natural sedimentation ≥80%
A004: Clay Stabilizer
This product is a mixture of cationic polymer and other additives. It can effectively adsorb on the clay surface, and prevent the expansion of water-sensitive mineral. This is used to prevent clay swelling and stabilize sandstone cement. This product is resistant to acidic, salty and alkaline solutions. It is also stable under oil water erosion in the long term.
Technical Specifications
Specifications Standard
For water injection For acidification and fracturing
Appearance Homogeneous liquid
Solubility Soluble in water
Compatibility
/ Compatible with acidification and fracturing agent, with no sediment, stratification or suspension
Expansion inhibition ratio(2%) ≥90%
A005：Reservoir cleaning agent
This product is a combination of surfactants and organic solvents. It can dissolve resin, asphaltene and other insoluble material in the reservoir. It can clean the pipelines and equipments polluted by heavy oil.
Technical Specifications
Specifications Standard
Appearance Homogeneous liquid
pH 6.0～10.0
Solubility Soluble in water
Stability(2h) No stratification or sedimentation
Density(Room temperature), g/cm3 0.85～1.05
Oil removal percentage(60℃), % ≥95
A006: Foamer
This product is made of negative or non-ionic surfactant and relates solvent. It has good compatibility with formation water and acidic liquid. It can greatly reduce the surface tension and other interfacial tension. The foam has high viscosity and stability.
Technical Specifications
Appearance Colorless to yellow liquid
Physical Chemical Specs PH 7.5～10
Effective agent content ≥30%
Performance Spec Foaming ability(2%water solution) ≥300ml
Foam half life(2%water solution)room temperature ≥150min
Compatibility to acid compatible
A007: Thermo flushing additive
This product is made of anionic or non-ionic surfactants. It has very strong surface activity and foaming ability. With a small amount in the well washing liquid, the product can greatly reduce the flushing liquid surface tension and interfacial tension between two phases and effectively reduce the density of flushing fluid. It will also have a strong ability to dissolve the wax.
Technical Specifications
Specifications Standard
Appearance Homogenous Liquid
Density(20℃), g/cm3 0.95~1.10
PH(1% water solution) 7.0~10.0
Wax oil cleaning ratio(70℃), % ≥90
Wax removal ratio ≥4
A008: Demulsifier
Eemulsion is caused in the process of fracturing and acidification operations. The demusifiers can be formulated based on different liquid content and conditions. Our company supplies more than 80 demulsifiers of different formulations. We can also formulation demusifiers based on your oil water samples.
Technical Specifications
Specifications Standard
Appearance Light yellow liquid
Density ≥0.9
Flash Point, ℃ ≥15
Solid Content, % ≥50
Freezing point, ℃
Motion Viscosity(40℃), mm2/s ≤300
Water separation percentage, % ≥93
A009: Inhibitor additive for acidification fluid
The product is used in oil and gas well acidification fluid, as corrosion inhibitors, protecting equipment and pipelines. It has good thermo stability under temperature 60 ~ 180 ℃
Technical Specifications
Table 1: Physical Chemical properties
Specification Standard
Appearance Brown Liquid
Density(20℃), g/cm3 1.00~1.10
PH 5~6
Freezing Point, ℃ ≤-20
Compatibility Compatible with acidic liquid
Damage to reservoirs core permeability, % ≤10
Table 2: Performance Specs
Temperature, ℃ 60 90 100 120 160 180
Pressure, MPa 1atm 1atm 16.0 16.0 16.0 16.0
Inhibitor concentration, % 1.0 1.0 2.0 2.0 4.0 5.0
15%HCl corrosion rate, g/m2h ≤5 ≤10 ≤15 ≤40 ≤100 ≤120
Mud Acid(12%HCl+3%HF) corrosion rate, g/m2h ≤10 ≤15 ≤25 ≤40 ≤70 ≤110
B001: Crude Oil Demulsifier
This series of products are polymer compounds polyamines, propylene glycol, octadecadienoic alcohol, and propylene oxide, ethylene oxide. There are categories of water-soluble and oil-soluble products and more than 80 varieties. It can be used for various types of crude oil emulsion breaking and dehydration, also used as washing oil refineries, electric desalting additives. The product can also improve the transportation of crude oil. It also has good wax inhibition effect.
Technical Specifications
Specifications Standard
Appearance Liquid with no impurities
Flash point ≥20℃
Dehydration rate Light Crude ≥90%
Medium crude ≥90%
Heavy Crude ≥80%
含聚原油 ≥80%
Water phase cleanness Natural crude emulsion Not less than level 1
Artificial crude emulsion Not less than level 2
B002: Oil removal agent for oilfield waste water预脱剂
The product is an amphoteric organic polymer composites made with multi-branch chain products. It has good flocculation ability. It can connect the oil droplets dispersed in water, and float assembly, so that oil and water can be separated. These products are widely used in oilfield waste water treatment.
Technical Specifications
Appearance Homogenous Liquid
pH 6?9
Solid Content ≥3%
Solubility Soluble in water
Freezing point, ℃ ≤-5
Oil removal ratio, % ≥90
B003: Crude oil pipelines DRA原油管道减阻剂
The product is made of a variety of polymers and surfactants with good solubility in crude oil. It can improve the flow properties of crude oil under low temperature. It reduces the viscosity and pour point of crude oil. The product can increase transmission and reduce pressure in the pipelines.
Technical Specifications
Specifications Standard
Appearance Liquid
PH(1%water solution) 6.0~8.0
Freeze point, ℃ ≤-20
Viscosity reducing ratio
(280℃,
50℃) Crude viscosity mPa?S ≤1000 ≥90
1000~10000 ≥95
10000~50000 ≥98
Compatibility with demulsifier
(dehydration), % ≥95
Note: 0.3% solution used for samples in testing
B004: Crude oil defoamer原油消泡剂
The product is a colorless to light yellow transparent liquid or white powder, which can effectively suppress and eliminate the foam in crude oil. The product has no corrosion or any other side effects, etc., is the ideal anti-foaming oil agent.
Technical Specifications
Specifications Standard
Appearance Milky White Liquid
Odor No Smell
PH(25℃、1%water solution) 6.0～9.0
Foam removal ratio(10mg/L),% ≥80
Stability 3000r/min centrifuge 3h, no separation
C001: Flocculants絮凝剂
The product is made from organic polymer inorganic cations. The cations can partly dissociate in water and produce charges. Floc will be formed by combining various solid suspensions in wastewater. These products are widely used in oilfield wastewater purification and industrial wastewater treatment.
Technical Specifications
Specifications
Standard
A B
Appearance Yellow Liquid Liquid
Freeze point ≤-10℃ ≤-5℃
Water solubility Soluble in water
Oil removal ratio(40mg/L), % ≥80
Suspension removal ratio(40mg/L), % ≥55
C002: Wastewater inhibitor污水缓蚀剂
This product is made from quaternary ammonium salt products, alcohols, aldehydes and ketones. It is widely used in oil extraction, gathering, transportation and storage. It can effectively reduce the corrosion of pipelines and equipments.
Technical Specifications
Specifications Standard
Appearance Liquid
PH 3~9
Pour Point, ℃ ≤-5
Flash point, ℃ ≥50
Solubility Soluble in water
Emulsion Tendency 无
Compatibility Compatible with other additives
Corrosion ratio, % ≥70
C003: Bactericide杀菌剂
The product is a compound bactericide, light yellow transparent liquid. Active ingredients are added in order to increase penetration which improves the performance of the sterilization. This product can effectively remove the existing system of SRB bacteria, IB bacteria, TGB microorganisms.
Technical Specifications
Specifications Standard
Appearance Light yellow to transparent liquid
pH(1% water solution) 6.0～8.0
Flash point, ℃ 40
Solubility Soluble in water
Freeze point, ℃ ≤-5
SRB bacteria inhibition concentration, mg/L ≤40
C004: Filter Media Cleaning Agent滤料清洗剂
This product is mainly used in the joint stations and sewage tank sedimentation tank to clean the filter materials. It can be widely used in various types of material such as quartz sand, ceramic, walnut shells and other pollution filter media.
Technical Specifications
Specifications Standard
Appearance Homogenous solution
PH ≥7
Corrosion, g/m2h Corrosion speed≤0.8390,
outlooking：0-1级
Cleaning capability, % ≥80
C005: Scale Inhibitor阻垢剂
The product is mainly used in oil field wastewater scale inhibition and removal. It can effectively protect the reservoir, water pipelines and equipments.
Technical Specifications
Specifications Standard
Appearance Liquid
PH(1% water solution) ≥2.5
Freeze point, ℃ ≤-15
density(20℃), g/cm3 1.00~1.30
Solubility Soluble in water
Scale Inhibition rate(10mg/L), % ≥80
D001: High Temperature Crude Oil Viscobreaking Agent高温降粘剂
The product is made of modified polymers and a variety of surfactants. It has strong resistance to high temperature (temperature above 300 ℃) and it is applicable to all kinds of mineral water. It will not cause any effect in the later demulsifying and refining process. The product dose not flocculate with calcium and magnesium cations and will not cause any damage to the reservoir. It is used for viscosity reduction in steam injection wells and conventional heavy oil wells. It can also be used to reduce viscosity in pipeline transportation.
Technical Specifications
Specifications Standard
Appearance Brown Liquid
Density, g/cm3 1.0~1.1
Solubility Soluble in water
PH(1% water solution) 7.0~10.0
Viscosity reduction rate
(280℃, 50℃), % Crude viscosity mPa?s ≤1000 ≥95
1000~10000 ≥95
10000~50000 ≥98
Surface Tension mN／m ≤1
Compatibility to Demulsifiers(Dehydration), % ≥95
D002: High temperature Foamer高温发泡剂
The product is made from the anionic surfactant, nonionic surfactant and solvent composition. It has high temperature resistance up to 300 ℃. It is also compatible to formation water, acid and other media. It is mainly used for thermo oil recovery process and increase the production of oil.
Technical Specifications
Specifications Standard
Appearance Liquid
Density(30℃), g/cm3 0.9~1.1
Concentration, % ≥20
PH ≥7
Foaming Ability(2%), ml ≥180
Foam Half Life, min ≥30
Thermo Stability(300℃degradation)% 240h ≤15
480h ≤25
D003: Asphaltene dispersant沥青分散剂
The product is a mixture of anionic and nonionic surfactants and additives. It has high flash point and fast dissolving speed. It can effectively disperse the resin and asphalt content left in the sandstone surface and the capillary wall. Hence it will increase reservoir recovery.
Technical Specifications
Specifications Standard
Appearance Liquid
Density(Room Temperature)g/ mL 0.95~1.00
Flash Point, ℃ ≥70
Wax dissolving speed, (50℃) 1.21mg/ml.min
D004: High temperature oil displacing agent高温驱油剂(薄膜扩散剂)
The product is used in tertiary recovery methods of binary flooding and ternary flooding. It is used together with other additives to increase the production of crude oil. It can also be used as a single oil displacing agent.
Technical Specifications
Specifications Standard
Appearance Liquid
Solubility Soluble in water
PH, (1%solution) 7.0-10.0
Solid content ≥25.0%
Interfacial tension, mN/m ≤0.5
Surface tension, mN/m ≤32.0
Percentage increase in steam displacment ≥12.0%
thermoresistence(300℃、12h) Surface and interfacial tension remaining ≥80%
Production increase ≥10.0%
DESHI CHEM Group also provide other oilfield chemicals and technical services
1. Chemical blockage removing technologies and products
2. Water shutoff and profile control technologies and products
3. Chemical sand control technologies and products
4. Oilfield wastewater treatment technologies and products
5. Waste Mud and waste liquid treatment technologies and products
6. Crude oil pour point depression, viscosity reduction and drag reduction technologies and products
7. Low tension backwashing filtration container transformation technologies and products
8. Crude oil dewatering and desalting technologies and products
9. Oil chemical method of reducing pressure and increasing injection with low-permeability technologies
10. Wax-elimination and wax-prevention technologies