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  • Frac Sand Testing Basics of Frac Sand Testing

    The sand must be pure to be used for frac sand. This can be determined through turbidity testing and an acid solubility test. If the sand has lots of impurities, then the turbidity and acid test results will be poor. Frac sand needs to be very strong. Strength is found using the crush resistance test.

  • Frac Sand Specs Global Energy Laboratories

    Acid Solubility Frac Test Spec. API recommends that for frac sand sized 6/12 through 30/50, that a maximum of 2.0% of the sand’s weight be soluble in acid. The crush resistance test is performed by crushing a sample of the sand under increasing pressure, and then holding at the target pressure.

  • Frac Sand BIA

    Crush resistance . Solubility . Sphericity and Roundness . Turbidity (cleanliness) Frac sand is sold as products • All frac sand must be at least 99% silica, must be composed of rounded or nearly rounded grains and grains which are nearly spheres.

  • Understanding and specifying crush performance for optical

    TIA/EIA-455-41A, "Compressive Loading Resistance of Fiber Optic Cables" (FOTP-41), is the industry-standard test procedure that outlines the apparatus and proper method for performing crush testing.

  • Synthesis and microstructural evolution in iron oxide

    Jun 01, 2018· The crush resistance and acid solubility of the ceramic proppant as a function of apparent porosity. Fracture toughness of kaolinite was 1.6 MPa ∙ m 1 / 2 ; as increasing the added amount of alumina (Al 2 O 3 ) to kaolinite, the toughness was increased to 2.7 MPa ∙ m 1 / 2 at 75 wt% content of Al 2 O 3 [42] .

  • Frac Sand Testing Global Energy Laboratories

    Acid Solubility ($400) Indicates the amount of undesirable contaminants in the sample . Turbidity Crush Resistance K-value ($850) –The K-Value is the highest stress level at which proppant generates no more than 10% fines. This requires testing at multiple stresses.

  • The facts of frac Supplement 01-07 Victory Nickel

    sphericity, roundness, crush resistance and mineralogy. Solubility and turbidity are also required, but a high silica sand is generally insoluble. High silica content sand, sphericity, roundness and crush resistance are the key factors in seeking a good frac sand. Grain size The API recommends the sizes as shown in Figure 1. The 20-40 mesh or 0.84-

  • The Fundamentals of Frac Sand Logistics Hi-Crush Inc

    Because it is a key component of a precisely engineered hydraulic fracturing treatment, silica sand must meet strict API standards for size, roundness, crush resistance, acid solubility and turbidity. Laboratory testing is performed to assure compliance.

  • Overview of Proppants and Existing Standards and Practices

    • Resistance to crushing • Fines content (contaminants such as clay) • Resistance to chemical attack Acid Solubility : ISO 13503-2 §8 • Weigh out a 5 gram sample of proppant Crush resistance : ISO 13503-2 §11 • Load a crush cell with (e.g.) 4lb/ft: 2

  • (PDF) Turning Filling Material into Proppant for Coalbed

    crush resistance test. This test can either be done normally or in a cyclic manner [9]. Acid solubility and turbidity is higher than exemplary, but in acceptable range. Bukowno deposit could

  • Frac Sand BIA

    Crush resistance . Solubility . Sphericity and Roundness . Turbidity (cleanliness) Frac sand is sold as products • All frac sand must be at least 99% silica, must be composed of rounded or nearly rounded grains and grains which are nearly spheres.

  • Synthesis and microstructural evolution in iron oxide

    Jun 01, 2018· The crush resistance and acid solubility of the ceramic proppant as a function of apparent porosity. Fracture toughness of kaolinite was 1.6 MPa ∙ m 1 / 2 ; as increasing the added amount of alumina (Al 2 O 3 ) to kaolinite, the toughness was increased to 2.7 MPa ∙ m 1 / 2 at 75 wt% content of Al 2 O 3 [42] .

  • Investigation of Sand Resources in North Dakota

    Crush Resistance (K-Value) Acid Solubility (%) Sphericity Roundness ISO Mean Particle Dia. (mm) Median Particle Dia. (mm) Turbidity (FTU) % Clusters Bulk Density (g/cm3) Bulk Density (pcf) Specific Gravity (g/cm3) 1 40/70 <2K 16.6 0.6 0.5 0.239 0.236 85 ~1/100 1.23 76.8 2.58

  • A review on polymer-nanofiller composites in developing

    Nov 01, 2020· Currently, proppants with higher crush resistance (“K” value) are expensive as indicated in Table 1. 2.2.3. Acid solubility and low turbidity. The acid solubility test is typically used to regulate the percentage of non-quartz (silica) material existing in the proppant.

  • The facts of frac Supplement 01-07 Victory Nickel

    sphericity, roundness, crush resistance and mineralogy. Solubility and turbidity are also required, but a high silica sand is generally insoluble. High silica content sand, sphericity, roundness and crush resistance are the key factors in seeking a good frac sand. Grain size The API recommends the sizes as shown in Figure 1. The 20-40 mesh or 0.84-

  • NORTHERN WHITE SAND Superior Silica Sands

    Acid Solubility (%) Crush Resistance K-Value <25 0.8 0.8 1.55 97.01 2.67 0.695 0.683 0.8 4K <25 0.8 0.9 1.53 95.54 2.65 0.556 0.544 0.8 7K <25 0.8 0.8 1.53 95.48 2.68 0.446 0.435 0.8 9K <25 0.8 0.8 1.5 93.82 2.67 0.32 0.314 1.0 11K <25 0.8 0.8 1.47 91.62 2.68 0.197 0.192 2.7 11K 16/3020/40 30/50 40/70 100M Superior Silica Sands is a leading

  • The Fundamentals of Frac Sand Logistics Hi-Crush Inc

    Because it is a key component of a precisely engineered hydraulic fracturing treatment, silica sand must meet strict API standards for size, roundness, crush resistance, acid solubility and turbidity. Laboratory testing is performed to assure compliance.

  • Evaluation of Tertiary (Paleocene) Bedrock Sandstone of

    from 41 to 63%, with crush resistance K‐values of 3,000 psi or less. Acid solubilities in these sandstones ranged from 6.5 to 22.2% with turbidity values ranging from 29 to 220 FTU. Loss on ignition testing, as a proxy for detrital lignite content, ranged from 2.44 to 9.62%.

  • (PDF) Characteristic and Erosion Study of Uncoated Sand

    The PU-coated sands from Pantai Bachok, Kelantan showed better acid solubility of only 0.38% and crush resistance of approximately 10% at 4000 psi than the uncoated ones. The impingement test

  • Frac Sand Glossary Hi-Crush Inc

    MINE. MOVE. MANAGE. API standards. Benchmark criteria for products and practices of the worldwide oil and natural gas industry established and maintained by the American Petroleum Institute to enhance safety, assure quality, increase efficiency and promote clarity

  • In-Depth Survey Report

    It must also pass tests of crush resistance, low acid solubility and low turbidity [API 2008]. Although hydraulic fracturing has been in use since the 1940s, its use for recovering oil and gas from tight formations has skyrocketed in the last 10 years due to the use of directional and horizontal drilling

  • Petroleum Fracturing Proppant ,Ceramic Proppant Low

    Buy Petroleum Fracturing Proppant ,Ceramic Proppant Low, Medium, High from Metal B2B, Petroleum Fracturing Proppant ,Ceramic Proppant features: ceramic proppant:, 1. High fracture conductivity, 2. High crush resistance, 3.16/30, 20/40, 30/50, 40/70 mesh are available

  • Sand and Gravel Resources, Kentucky Geological Survey

    Sep 12, 2019· Although Kentucky has abundant sand, frac sand (used in the "fracking" process) requires special proppant characteristics such as roundness, sphericity, crush resistance, acid solubility, and mineability. Any potential sands that Kentucky might have would occur in the Pennsylvanian, Mississippian, and Cretaceous sands.

  • ENERGY RESEARCH LABORATORY Forecaster

    Sieve distribution, roundness and sphericity, turbidity, acid solubility, crush resistance for K-Value determination, permeability and conductivity, and fluid rheology are examples of analyses we routinely conduct. On a more specialized level, we perform Darcy and non-Darcy flow regimes with single and multi-phase fluids.

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