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Quartz sand proppant (fracture sand or frac sand) is primarily used in hydraulic fracturing operations in the oil and gas industry. It is used to prop open fractures in rock formations, allowing oil and gas to flow more freely to the wellbore.
The proppant is typically mixed with a fluid and pumped into the well under high pressure, causing the rock to fracture. The proppant then fills the fractures, holding them open and allowing oil and gas to flow through.
Quartz sand proppant is preferred for hydraulic fracturing because it is strong and durable, able to withstand high pressures and temperatures without breaking down. It also has a uniform size and shape, which helps to optimize flow through the fractures.
The production of quartz sand proppant typically involves the following steps:
1. Mining and crushing: The raw quartz sand is mined from a quarry or a mine and then crushed into smaller pieces to facilitate processing.
2. Washing and grading: The crushed quartz sand is then washed to remove impurities and graded according to particle size.
3. Drying: The washed and graded quartz sand is then dried to remove any remaining moisture.
4. Sintering: The dried quartz sand is then sintered at high temperatures to form small, spherical particles known as proppants.
5. Coating: Some proppants are coated with a resin or other material to improve their performance in hydraulic fracturing.
6. Packaging: The finished proppants are then packaged and shipped to oil and gas exploration sites for use in hydraulic fracturing operations.
For more details about ceramic proppant production line or frac sand production processing plant, welcome to contact us via Cellphone /: +
The advantages and highlights of a ceramic proppant manufacturing plant include:
1. High-quality proppant production: Ceramic proppants are known for their high strength, durability, and uniformity, which make them ideal for use in hydraulic fracturing. A well-designed and operated manufacturing plant can produce high-quality ceramic proppants that meet industry standards and customer requirements.
2. Cost-effective production: With efficient manufacturing processes and economies of scale, a ceramic proppant manufacturing plant can produce proppants at a lower cost than other materials such as resin-coated sand.
3. Customization: A ceramic proppant manufacturing plant can produce proppants with different properties and specifications to meet the needs of different customers and applications. This allows for greater customization and flexibility in product offerings.
4. Environmental benefits: Ceramic proppants are made from natural materials such as clay and bauxite, which are abundant and renewable. They also have a lower environmental impact than other materials such as resin-coated sand, which can release harmful chemicals into the environment during production and use.
5. Innovation: A ceramic proppant manufacturing plant can invest in research and development to improve product performance and develop new products to meet changing industry needs. This can lead to new innovations in hydraulic fracturing technology and improved efficiency in oil and gas production
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Lower-cost options gain popularity as longer lateral sections in North American onshore wells necessitate larger proppant volumes
By Alex Endress, Editorial Coordinator
For more information, please visit Quartz Sand Proppant.
Proppant Highlights
North American operators are turning to locally sourced sands as a way to reduce proppant freight costs. &#;Companies are buying the cheaper sand either because they believe that there&#;s not enough impact on production to warrant additional costs of white sand, or because they simply have to lower up-front costs, sometimes even at the expense of sacrificing long-term production to complete wells,&#;, Director of Consulting within theEnergy Insight group, said.
In fact, 35% of total sand proppant demand is now locally sourced, according to ProppantIQ, a proppant market analytical service from IHS. Local sands, however, typically score lower on crush strength, roundness and other key metrics than the industry&#;s standard sand proppant &#; northern white sand. Northern white sand is 100% Silica and typically mined in Wisconsin, Minnesota and Illinois. It still accounts for 65% of total sand proppant demand and is preferred for its higher quartz composition, which provides the desired higher crush strength.
Other types of proppant that must undergo higher-cost manufacturing processes, such as ceramic or resin-coated proppants, remain niche markets. In North America, ceramic proppants now account for just 1% of all proppant demand, while resin-coated proppants account for 3%, according to IHS. &#;Ceramic usage is mostly in the Bakken, and frequency of use there is declining as activity moves away from the Middle Member Bakken play and into the Three Forks,&#; Mr Nangia said.
Proppant demand in the future will depend a lot on production performance over the next couple of years, he added, as operators monitor the performance of the lower-cost, locally sourced sands. &#;When people try something cheaper, they will typically stick to it unless it can be proved that the more expensive stuff just worked much better,&#; said Thomas Jacob, Unconventional Oil and Gas Consultant for IHS. For example, wells in deeper plays such as the Bakken and Eagle Ford used to be completed with ceramic proppant. But when companies tried white sand without noticing any detriment to production, they stuck with it. &#;If local sand truly works and production at the back end is not sacrificed as a result of using it, then I would expect people to continue using it.&#;
Operators are also paying much more attention to using proppants that will optimize recovery for specific basins. &#;It&#;s not the best proppant that you need. It&#;s the right proppant to match the geology of the well,&#; said Scott Sustacek, CEO of Jordan Sands. &#;You might not need to purchase a ceramic when a northern white will do, and you might not need to purchase a northern white when a brown will drive the well economics you need,&#; Mr Sustacek said. &#;I think the entire cost/return model of well drilling has come a long way in terms of matching proppant to the geology.&#;
Further, operators are improving their well completions by increasing proppant volumes, extending lateral lengths and shortening fracture intervals. Although North American drilling activity has fallen by approximately 70% since late , proppant demand has dropped by approximately 50% in the same period, according to IHS. ProppantIQ&#;s data shows that, on average, the amount of sand proppant pumped per horizontal well in the US Lower 48 has increased by 210% since . However, part of this higher proppant usage per well is due to what IHS calls high-grading: The industry is fracturing only the very best rock, and this rock benefits the most from greater usage of proppant. &#;During the downturn, E&Ps have retreated to the places with the best acreage, which produces many times more than lower-quality rock, and obviously, this rock is just more economical.&#;
Regardless of the increased volumes used per well, total proppant demand has fallen in North America due to the significant drop in drilling activity. It will likely continue to fall until the market picks up. In , North American companies used 100.7 billion lb of proppant, compared with 120.2 billion lb in . For , Proppant IQ is predicting an additional 43% drop in demand, which equals 57 billion lb.
Although cost reductions remain a core focus for operators and their supply chain, there is little that proppant companies can do to reduce the cost of white sand. Logistics is one of the few variables that companies like Jordan Sands can tackle for meaningful cost reductions. For example, Mr Sustacek said his company is studying the location of its sand mines in relation to customer drill sites in order to reduce rail and trucking costs. The company is also using rail cars to maximize the amount of proppant carried to the wellsite in each trip. &#;We&#;re trying to help them compress the supply chain and squeeze out excess cost wherever we can.&#; These changes have led to a 15% cut in sand production costs, Mr Sustacek said.
Some proppant companies are looking to boost business by increasing the value of sand through resin and polymer coatings. These coatings are applied to about 3% of sand proppant in North America, according to ProppantIQ. Fairmount Santrol, for example, uses resin coating to increase proppant strength and provide better proppant flowback control. The company also uses polymer coatings to help distribute proppant evenly throughout the well. In , the company commercialized Propel SSP, a proppant transport technology, to help proppant particles flow into and fill fracs more evenly and efficiently at any pump rate. &#;The historical challenge is that companies either need to have very high pump rates or high viscosity to be able to transport proppant without it settling in the wellbore or duning just outside of the perforation when entering the fracture,&#; said Brian Goldstein, Fairmount Santrol Product Director. &#;When you&#;re able to transport proppant at any pump rate with a relatively low fluid viscosity, oil and gas operators can optimize frac fluid systems and achieve a more effective frac geometry.&#; After the proppant is placed inside the well, the polymer will break down and flow back to the wellhead, allowing the formation to close on the proppant.
In the second half of , Fairmount Santrol used the polymer coated proppant in a six-well field trial in the Three Forks and Middle Bakken formations in North Dakota&#;s Williston Basin. Independent operator Enerplus Corp compared the trial wells against five offset wells. These offset wells used typical northern white sand with a common crosslinked gel fluid system. The initial 90-day oil production of the trial wells increased by an average of 39% compared with the offset wells, according to Fairmount. The increase was attributed to more uniform proppant distribution throughout the wells&#; pay zones with the use of the technology. Additionally, fluid additive consumption was reduced by 77%, primarily due to the elimination of viscosity modification additives, Mr Goldstein said. Pumping time was reduced by 14%, as the proppant was more efficiently placed in the formation.
Liberty Oilfield Services, a Denver-based hydraulic fracturing company, has three frac fleets operating in the Bakken, two in Colorado&#;s DJ Basin and three in the Permian Basin. &#;With ceramic proppant costing several times more than natural sand, almost all completions taking place in the Bakken today have migrated to northern white sand from Minnesota or Wisconsin &#; the highest quality silica sand you can get,&#; said Ron Gusek, VP Technology & Development at Liberty Oilfield Services.
Although natural sand will typically be crushed in wells more than 10,000 ft deep, Liberty has completed wells at such depths using northern white sand. The loss in conductivity has been offset by significantly increasing the amount of sand pumped into the well during the hydraulic fracturing process and through design changes to maximize contact area, according to the company. Some designs have also incorporated higher concentrations to optimize near-wellbore conductivity. &#;We have found that, with the right engineering and a willingness to challenge the status quo, we can apply sand in environments that push the limits and still get a successful completion,&#; Mr Gusek said. By late , the industry will have data illustrating how sand compares with ceramic proppant on an estimated ultimate recovery (EUR) basis. &#;Now we have wells completed with both ceramic and sand in relatively consistent geological settings,&#; he continued. &#;Once we get 12 to 18 months of production data from those wells, we can evaluate the decline curves and find out if the initial investment in ceramic really did provide a better well over the long term.&#;
Ceramics innovate through downturn
While ceramic proppants continue to fill more technically demanding applications, fewer companies are choosing these higher-cost options for onshore wells. According to Proppant IQ, North American onshore demand for ceramic proppants fell from 3.4 billion lb in to approximately 1.1 billion lb in . This year, it&#;s estimated that ceramic usage will drop to about 600 million lb. Despite this trend, technical innovations for ceramics are continuing, with CARBO developing a ceramic proppant that will inhibit scale buildup in fractures and even a proppant that can be traced inside the wellbore.
Operators commonly experience scale buildup in completions operations, when deposits such as barite or calcium begin to accumulate within the fracture, wellbore and surface production system. This typically results in a decrease in production. In most cases, an operator will periodically pump a preventive liquid scale inhibitor in an attempt to prevent these deposits at the fracture points or within the wellbore, but such methods bring mixed results. &#;If you have a horizontal well with 30 stages and you just start pumping chemicals down, it is not going to go in every stage,&#; said Terry Palisch, Director of Petroleum Engineering at CARBO. If scale buildup goes unchecked, production could become restricted and necessitate a workover operation.
SCALEGUARD, commercialized in , is a ceramic proppant infused with scale-inhibiting chemicals that are designed to be released over the life of the well. It can be blended with any proppant based on the completion design, according to CARBO. &#;If you can inoculate the well from the fractures, you can stop scale not only in the perforations but you can prevent it in the wellbore and entire production system,&#; he said. In mid-, an operator in Utah&#;s Uinta Basin used the technology on a five-well field trial in the Greater Monument Butte area. The operator needed to reduce carbonate and sulfate scale buildup due to the large volumes of produced water that commonly occur in the region that cause scale to form. Previously, the company had used liquid phosphonates and particulate-based inhibitors but found that scale buildup still occurred. The five vertical wells were completed with a blend of SCALEGUARD and northern white sand, a combination that sustained production without scale restriction for an average of 690 days per well. In offset wells, other methods for scale prevention lasted only an average of 226 days before scale began to hamper production.
Due for launch in is CARBO&#;s quantified propped reservoir volume imaging. It will allow the operator to detect and visualize proppant location at distances far-field from the wellbore after it is pumped. This will be enabled by placing an electrically conductive ceramic proppant, which will then change the electric field. Before proppant is pumped, the company would transmit an electric current through a wireline inserted into the wellbore. This would create an electrical field and allow the company to survey the field with an electromagnetic surface array. The detectable ceramic proppant is then pumped downhole, and another electromagnetic survey is performed. CARBO technologists then compare the before and after surveys to determine proppant position. &#;You develop what the electrical field looks like without the detectable proppant in it, and then you frac your zones,&#; Mr Palisch said. &#;Then you take the same survey and look at the difference between the two. Our analysis techniques will show where the proppant is located.&#;
The propped reservoir volume imaging service has been under development for more than five years, Mr Palisch said. In Q3 , the service was used in the last stage of a 16-stage 8,000-ft Permian horizontal well, and the operator was able to successfully determine where the proppant landed inside four perforation clusters in the stage, according to CARBO. Once deployed on a larger scale, this technology could help operators to better understand well and stage spacing, as well as how diversion material works to spread proppant throughout the wellbore. It would also help companies better target individual fracture points in a well, Mr Palisch said. &#;This is the first time in history we would be able to see where proppant is actually located at distances far-field from the wellbore.&#; DC
Propel SSP is a trademark of Fairmount Santrol.
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