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Completion, Workover and Stimulation Fluids (Fracturing)

Completion, Workover and Stimulation Fluids (Fracturing) Technology

During the fracturing process, the fracturing fluid injected into the well can be divided into:

Pre-fluid: expand the cracks and cool the formation. In the oil and gas layer with higher temperature, it can also play a cooling role
Sand-carrying fluid: transport a certain concentration of proppant (ceramsite or quartz sand) to the predetermined position in the crack according to the designed concentration
Displacement fluid: displace the sand-carrying fluid in the ground manifold and wellbore into the crack.

Hydroxyethyl cellulose has better salt solubility and is an excellent water-based fracturing fluid.

Celotech Solution

Water-based fluids often face multiple challenges in hydraulic fracturing operations. We understand your problems and analyze the root causes as follows:

Unstable Rheology: high temperature, shear, and salinity reduce viscosity, so the pressure and fracture growth are affected.
Proppant Settling: sand or ceramic particles may sink unevenly, lowering fracture conductivity.
Excessive Fluid Loss: fluids may leak into formations, causing poor fracture filling.
Equipment Wear: high-pressure flow will increase friction and wear on pumps and tools.
Environmental Concerns: traditional chemicals may not degrade well, raising environmental issues.

Targeted Celopro® HEC Approaches

Taking the above challenges into account, Celotech developed specialized HEC solutions for you. Simultaneously, we also support tailored solutions for specific needs.

Thickening and Rheology Control: HEC can be used as a thickener to increase the viscosity of the fracturing fluid, allowing it to transmit pressure more effectively under high pressure. Celopro®HE helps reduce friction and wear, thereby extending the life of down-hole equipment.

Fluid Loss Reduction: Hydroxyethyl cellulose ether provides excellent fluid loss control, forming a filter cake on fracture surfaces that reduces fluid leak-off, protects the formation, and enhances fracturing efficiency.

Recommend grade: Celopro®HE100,000S

Stability: HEC is highly temperature and salinity-resistant, so it can retain the rheological properties of fracturing fluids in high-temperature, high-salinity environments. It is essential for challenging downhole conditions.

Proppant Suspension: HEC helps suspend proppants such as quartz sand and ceramic particles within the fracturing fluid by raising fluid viscosity. Thus, it ensures smooth delivery to deep fractures and prevents proppant settling.

Recommend grade: Celopro®HE100,000S

HEC Typical Application & Reference Dosage

Celopro®HE series hydroxyethyl cellulose (HEC) is designed for different water-based fracturing and completion fluids to optimize viscosity, proppant suspension, and stability. Typical reference dosages are as follows:

Water-based fracturing fluids: 2–1.0%
Completion fluids: 1–0.5%

Note:

The above dosage ranges are for reference only. Actual usage should be adjusted based on site-specific conditions, fluid properties, and fracture design.
Celotech provides testing samples or small volumes of trial orders. Contact us with your needs.

Application Case

In a shale well, high temperatures and salinity made traditional fracturing fluids thin out quickly. The proppants settle unevenly and slow down the speed of the fractures.

Our Solution: Incorporated Celopro®HE100,000S into the water-based fluid. It helped maintain proper thickness, kept proppants evenly suspended, and stayed stable under tough downhole conditions.

Result:

Fluid loss was reduced by 30%, protected the formation, and reduced operational costs.
Improved fracture conductivity and hydrocarbon flow efficiency.

Our Service

“Celotech Lab: Let the data speak for itself”

At Celotech Lab, precision and reliability are at the core of our commitment to excellence. Our state-of-the-art facilities and advanced testing protocols allow us to generate accurate, repeatable data that supports our product development and customization. From raw material analysis to final performance testing, each step is meticulously documented to ensure results that our partners can trust. We believe that rigorous, data-backed solutions lead to optimal product performance, enabling clients to achieve superior outcomes across diverse applications. Celotech Lab – where every data point speaks to quality and dedication.

“Celotech Warehouse: Shipping in Progress”

At Celotech Warehouse, we prioritize efficiency and reliability in every shipment. Through our established partnerships with multiple reputable shipping lines, we ensure that each batch is handled with precision and professionalism. From timely customs clearance to inspection procedures, every step is managed promptly to meet shipping deadlines. With carefully selected, optimized vessel schedules, we ensure that our products reach clients worldwide on time and in perfect condition. Celotech’s logistics expertise guarantees smooth, dependable delivery – because every detail counts in achieving customer satisfaction.

Celotech Supportings: Free Samples for Testing

With nearly 20 years of expertise in construction additives and coatings, Celotech leads the industry in innovation and quality. We offer free samples, allowing clients to directly test the superior performance of our products. Our in-depth industry knowledge and advanced formulations empower us to provide solutions that set new standards, tailored to meet the evolving needs of our partners. Experience firsthand how Celotech’s products can enhance durability, functionality, and sustainability in your applications – because at Celotech, excellence is built on proven performance.

Carboxy Methyl Cellulose Applied in Various Industries

Carboxymethyl cellulose is the third most industrially important cellulose derivatives after cellulose xanthate and cellulose acetate, and according to its purity percentage could be used in detergents, food industries, paper coating and laminating, emulsified dyes, drilling muds, pharmacy, cosmetics, health care, etc..

Application of Hydroxyethyl Cellulose (HEC)

HEC is the abbreviation of hydroxyethyl cellulose. It is a white or light yellow, odorless, non-toxic fibrous or powdered solid, prepared by etherification of alkaline cellulose and ethylene oxide (or chloroethanol), and is non-ionic soluble cellulose ethers.

The Application of CARBOXY METHYL CELLULOSE

Carboxy methyl cellulose, is a kind of anion, linear, water-soluble cellulose ether, is a natural cellulose with chloroacetic acid by chemical modification. Its aqueous solution has thickening, film forming, bonding, water retention, emulsion, and suspension, colloid protection function, which can be used as flocculating agent, chelating agent, emulsifier, thickener, water retention agent, sizing agent, film forming materials. It also widely used in food, medicine, electronics, chemicals, plastic, printing, ceramics and other fields.

Completion, Workover and Stimulation Fluids (Fracturing)

Celotech Solution

Targeted Celopro® HEC Approaches

HEC Typical Application & Reference Dosage

Application Case

Recommended Products

Celopro® HE

Celopro® HHB

Our Service

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Completion, Workover and Stimulation Fluids (Fracturing)

Celotech Solution

Targeted Celopro® HEC Approaches

HEC Typical Application & Reference Dosage

Application Case

Recommended Products

Our Service

Related Posts

Next Application

Test Before You Switch. 100% Risk-Free.

Claim your 200g free sample. Perfect for R&D testing or verifying a major supplier change.

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