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Key Questions to Ask When Ordering oil proppants

Author: Molly

May. 27, 2024

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Key Questions to Ask When Ordering Chinese Frac Proppant Solution

When ordering oil proppants, it’s essential to ask the right questions to ensure that the proppants you receive meet your operational needs. Understanding the different types of proppants, their specifications, and their performance in various environments is crucial for optimal hydraulic fracturing results. Evaluating production capacity, quality control measures, and pricing structures can help ensure that you are getting the best product for your investment.

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Key Questions to Ask When Ordering Chinese Frac Proppant Solution

1. What are the different types of proppants available for hydraulic fracturing?

Proppants can be classified into three main categories: sand, resin-coated sand, and ceramic proppants. Each type has different characteristics and is used based on the specific requirements of the well.

2. Can you provide information on the specifications and properties of the proppants?

It is important to know the size, shape, and strength of the proppants as they directly impact the effectiveness of hydraulic fracturing. Different well conditions may require different proppant specifications.

3. What is the production capacity of the proppant supplier?

Understanding the production capacity of the supplier is crucial to ensure a stable and timely supply of proppants for the fracking operations. It is important to avoid any delays due to insufficient proppant availability.

4. Are there any quality control measures in place during the manufacturing process?

Quality control measures during the manufacturing process are essential to ensure the proppants meet the required standards and specifications. Consistent quality is important to achieve successful well stimulation.

5. What is the pricing structure for the proppants?

Knowing the pricing structure of the proppants helps in budget planning for fracking operations. It is important to consider the cost of proppants as part of the overall operational expenses.

6. Can you provide references or case studies of successful applications of your proppants?

References or case studies of successful applications of proppants can provide insights into their performance and reliability. It is important to learn from past experiences to make informed decisions on proppant selection.

Detailed Explanation

1. What are the different types of proppants available for hydraulic fracturing?

Proppants can be classified into three main categories: sand, resin-coated sand, and ceramic proppants. Each type has different characteristics and is used based on the specific requirements of the well.

2. Can you provide information on the specifications and properties of the proppants?

It is important to know the size, shape, and strength of the proppants as they directly impact the effectiveness of hydraulic fracturing. Different well conditions may require different proppant specifications.

3. What is the production capacity of the proppant supplier?

Understanding the production capacity of the supplier is crucial to ensure a stable and timely supply of proppants for the fracking operations. It is important to avoid any delays due to insufficient proppant availability.

4. Are there any quality control measures in place during the manufacturing process?

Quality control measures during the manufacturing process are essential to ensure the proppants meet the required standards and specifications. Consistent quality is important to achieve successful well stimulation.

5. What is the pricing structure for the proppants?

Knowing the pricing structure of the proppants helps in budget planning for fracking operations. It is important to consider the cost of proppants as part of the overall operational expenses.

6. Can you provide references or case studies of successful applications of your proppants?

References or case studies of successful applications of proppants can provide insights into their performance and reliability. It is important to learn from past experiences to make informed decisions on proppant selection.

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For more information, please visit Chinese frac proppant solution.

Technology Roundtable: Proppants

1. What is the level of demand for proppants in Russia? How has this changed from the past 5 years?

Borovichi Refractories Plant: Honestly, proppants are the most wanted material for the oil and gas industry today. The only limits are both the number of frac fleets and the capacity of frac fleets. The demand for proppants is ever-growing, and the majority of our fields cannot produce efficiently without hydraulic fracturing. If we have a look at the 5-years history, the use of proppants skyrocketed from 350k tons in to k tons per year (forecast for ), and we speak about the Russian market only. Considering the tight or shale reserves, one can say that proppants will have a great future.

FORES: The Russian proppant use was:

  • 541 thousand tons in;
  • 617 thousand tons in;
  • 646 thousand tons in;
  • 762 thousand tons in;
  • 832 thousand tons in;
  • 1,032 thousand tons in;
  • 1,300 thousand tons in.
  • The use forecast is 1,350 thousand tons.

WellProp: Proppants have been in high demand for many years, and recently there has been a push towards hard-to-produce resources and multi-stage hydraulic fracturing, further increasing demand.

2. How commonly used are the higher quality ceramic and resin-coated proppants in Russia? What advantages do they offer?

Borovichi Refractories Plant: The USSR began to frac the formations in the 50s of the last century. At that time, the only proppant was river sands of pure quality. However, it worked as long as the wells were shallow. In addition, the Soviets had no “sand culture” – as I name it. It means that there were no plants that could produce high-quality frac sand, like in the US where the main frac sand suppliers have quarry and production facilities. And most importantly, Russia still does not have any developed deposits of the sand that can be used for frac application even after the treatment. So, I would say that 99% of the Russian proppant market is ceramic proppants, so far. In respect of advantages, it should be mentioned that reservoirs conditions, closure stresses first of all, and permeability values require the proppants of coarse mesh sizes (20/40 – 12/18) with crush resistance of – psi. So, Russian sands are still not the right alternative to ceramic proppants as they have poor grain shape and strength even being precisely sieved. Resin-coated ceramics take about 20% of the market and are mostly used as curable RCP for flowback control. Any attempts to substitute ceramics with Resin Coated Sand have been unsuccessful, so far.

FORES: Sand is not used because of its low quality, which thwarts output goals. Ceramic and polymer-coated proppant are mixed at a 92% to 8% ratio of the required amount only if polymeric proppant is necessary for the main ceramic proppant pack to stay in place (proppant flowback control).

Currently, there are several proppant types:

  • Ceramic proppant
  • Polymer coated proppant
  • High strength proppant
  • Light proppant

Proppant, unlike sand, has high strength, sphericity, roundness and thus a higher conductivity and permeability. As a result, the liquid throughput increases through a pack of propane injected into the well. Also, high proppant strength extends well life exponentially.

WellProp: Just a few years ago, demand for polymeric proppants was quite high because of its effectiveness in controlling flowback to the surface. However, at the moment, higher prices reduce the demand for polymeric proppants.

High strength proppants are still used extensively in deep wells with high stresses where proppant characteristics, such as, crush strength are critical.

3. What type of proppants do you offer? How does the proppant type affect which wells it should be used in?

Borovichi Refractories Plant: Borovichi's main product is BORPROP ISP ceramic proppant that has been produced since. The range of mesh sizes includes 30/50, 20/40, 16/30, 16/20 and 12/18. BORPROP is designed for the stresses up to psi and can withstand severe formation conditions like acid treatment and high temperatures. Chasing the market trends, we supply curable resin-coated proppants for flowback control (BORPROP RCP), and pre-cured high strength ceramics (BORPROP SSP). BORPROP RCP has three types for different temperature applications, and BORPROP SSP can be used for closure stresses up to psi. The choice of proppant is the responsibility of operator and, in some cases, service company. However, sometimes we may recommend our proppants in accordance with well characteristics: closure stress, permeability, temperature, acid frac, etc. In reality, frac engineers do not give any parameters as they are confidential data. As a rule, BORPROP is chosen for the wells with higher closure stresses.

FORES: FORES produces a full range of proppants for oil and gas companies, specifically:

  • The ForeProp ceramic proppant with a bulk density of 1.6 g/cm3
  • The ForeRCP polymer-coated proppant with a bulk density of 1.6 g/cm3

Custom production:

  • The ForeLWP light ceramic proppant with a bulk density of 1.4 g/cm3
  • The ForeRCPL light polymer coated proppant with a bulk density of 1.4 g/cm3
  • The ForeESPL reinforced light polymer-coated proppant with a bulk density of 1.4 g/cm3
  • The ForeESP high strength ceramic proppant with a bulk density of 1.6 g/cm3

Well parameters always determine the proppant size and grade.

WellProp: WellProp, LLC, (formerly CARBO Ceramics Eurasia, LLC) has quite a wide proppant range both in terms of types and capabilities, from ultra-light proppants with density lower than 1.2 g/cm3 to super high strength proppants capable of withstanding loads exceeding 20,000 psi. Moreover, our company produces the highest strength proppant among all Russian manufacturers.

Based on the type and characteristics of a test well, the customer selects a suitable proppant type that will perform ideally in very specific conditions.

4. How does the quality of the proppant affect the success of the frac job? What systems do you have in place to ensure proppant quality during production?

Borovichi Refractories Plant: This is a very interesting question and I’d rather avoid answering it. I have good experience with the US service companies and frac sand suppliers. The opinions on proppants are very different and I do not want to be a narrow-minded guy. Sure, when we use any proppant, the higher quality is the advantage. On the other hand, the main point is still the costs per well. I think this question is better to address to frac people. At Borovichi, our practice is to maintain the high quality of the product. So, in the beginning of we certified our Quality Management System under the API Q1 Specs. In any case, BORPROP is still the best choice of operators/service companies in respect of quality.

FORES: Proppant quality does not impact the success of hydraulic fracturing. Proppant quality impacts the final fluid rate and well life. Proppant quality does not impact the success of hydraulic fracturing. Proppant quality impacts the final fluid rate and well life. Proppant quality is driven by its production process. Production is ISO certified and coupled with a continuous quality control system.

WellProp: A major component in the success of hydraulic fracturing is proppant quality. Strength is the major yardstick for proppant selection for the particular reservoir conditions aimed at a long-term fracture conductivity at the reservoir's depth.

The quality of WellProp proppants is tested in accordance with both an international ISO:2 standard and GOST R-. The products are annually submitted to the Research and Laboratory Center for Core Samples and Proppants to confirm our proppant compliance with ISO and GOST R.

5. What factors should operators and service companies consider with proppant permeability and mesh size?

Borovichi Refractories Plant: Actually, all the parameters of a proppant are considered by operator/service company. That is why all proppant manufacturers make the tests at the independent labs. Some tests are quite comprehensive and cannot be replicated in the field conditions. The main properties that are firstly required by all end users are crush resistance and sieve analysis.

FORES: Proppant selection is based on formation geology. Using this information, oil and gas production and service companies select the proppant.

WellProp: When selecting the proppant for a specific reservoir considered for well hydraulic fracturing, the primary focus should be on proppant permeability and grain size. The higher the reservoir permeability, the larger the proppant. Proppant permeability is linked to its size: the larger the grain, the higher its permeability.

6. Proppant weight and strength – How can operators and service companies best evaluate the correct weight and strength profile for a proppant?

Borovichi Refractories Plant: The best way is to have your own laboratory. In some cases, operators and service companies have mobile field labs for express analysis, and/or testing facilities at a warehouse. Big operators/service companies have R&D centers for multiple tests, including proppant evaluation for crush and bulk density. Notwithstanding the Quality Certificates of proppant manufacturers, frac engineers try to check every batch of proppant supplied. Sure, this is a time-consuming process, so such test results are very subjective. In case of any dispute between the customer and supplier regarding proppant quality, the samples of a “suspected” proppant are sent to an independent laboratory. However, in general, most proppants are accepted and pumped on the basis of data submitted by the manufacturer: quality certificate and a report of an independent lab.

FORES: Everything depends on formation geology. Proppant choice is always well-specific.

WellProp: The first and most popular material to hold fractures open was sand with a specific gravity of approximately 2.65g/cm3. Sand is usually used for hydraulic fracturing of reservoirs with a compressive stress not exceeding 40 MPa. Intermediate strength ceramic proppants with a specific gravity of 2.7 to 3.3g/cm3 are used at a maximum compressive stress of 69 MPa. Super high strength proppants are used at a maximum compressive stress of 100 MPa; their specific gravity is between 3.2 and 3.8g/cm3 but the selection of super high strength proppant occurs less often because of their higher price.

Strength is the major yardstick for proppant selection for the particular deposit conditions aimed at a long-term fracture conductivity at deposit depth. Lowest-level stress in deep wells is oriented horizontally inducing mainly vertical fractures. The maximum vertical stress rises with depth. Therefore, in terms of depth, proppants are used in the following applications: quartz sand at a depth less than or equal to 2,500m, intermediate strength proppants at a depth less than or equal to 3,500m, and high strength proppants at a depth exceeding 3,500m.

7. How can an operator maximize propped fracture conductivity?

Borovichi Refractories Plant: This is the expertise of a frac engineer. Each frac job is a unique operation with many parameters that should be considered. The simplest and common solutions could be either the usage of larger mesh sizes or the increase of proppant volume per well to enhance the contact area.

WellProp: Proppant grain transport and deposition inside the fracture are extremely important for hydraulic fracturing. For heavier proppants to be transported as far down the fracture length as possible, a higher fluid carrying capacity is required to prevent settling; this generally means high carrying fluid viscosity. Proppants with a lower bulk density can be transported further down the fracture at a low fluid viscosity since they stay suspended much longer.

8. How can an operator ensure the proppants will be transported deeper into the fracture?

Borovichi Refractories Plant: I would say they need the frac equipment with sufficient power and implement multi-size proppant pack: 100 mesh, 40/70, 30/50 in the beginning and then 20/40 and larger if required. It’s just my vision as a proppant producer, like: “one pill makes you larger and one pill makes you small, some pills that your mother

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