Acid Fracturing Technical Service

L.E.A.D. has developed advanced fracturing liquid and acidizing fluid systems, proppant, fracturing and acidizing techniques, and matching software, which have been successfully applied in different downhole geological and engineering conditions.



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Aaron Shi

+86 532 85837916

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  • Acid Fracturing Tech...

    Acid Fracturing

    L.E.A.D. has developed advanced fracturing liquid and acidizing fluid systems, proppant, fracturing and acidizing techniques, and matching software, which have been successfully applied in different downhole geological and engineering conditions.

     

    We can provide:

     

    Acid fracturing operations

    • Integral fracture treatment
    • High-sand-ratio fracturing

    Under the same fracture conductivity, high-sand-ratio fracturing creates shorter fractures and requires lower costs. Therefore, it has a promising application in water-flooded oilfields, as well as reservoirs with medium-to-high permeability.

    • Separate layer fracturing

    Fracturing strings consisting of hydraulic expanding packers and sliding-sleeve sand blowers are used to fracture 1-3 intervals in a single top down trip without moving the strings. This technique is applicable for oil reservoirs with high, medium and low permeability.

    • Fracturing of horizontal and slant holes 

    Special downhole tools are employed, which, from within the casings, to create fractures along horizontal intervals in a staged manner. Slant holes are also fractured with special downhole tools, realizing fracture treatment along the well bores with a slant of 3-50°.

    • Tip-Screen-Out (TSO) fracturing
    • Selective fracturing

    This fracturing process uses temporary-plugging agents to provisionally shut off the high-permeability layers in a well segment before fracturing other layers, which seems to be "selected" for fracturing. It is a technique applicable to thick anisotropic oil reservoirs or oil reservoirs with quite different interformational properties.

    • Acid fracturing of high-temperature/-pressure deep wells and sour gas wells
    • Stepwise fracturing of low-permeability reservoirs
    • Large-scale sand fracturing and liquid nitrogen sand fracturing
    •  CO2 fracturing

    Liquid carbon dioxide and water-based fracturing fluids are mixed together and pumped into wells for fracturing and stimulation. This kind of fluid for fracturing minimizes reservoir damage, thanks to its minimal residue, high backflow percentage, little leakoff, and plug removal under faint acidity. It is suitable for the treatment of oil and gas wells in low-permeability and tight formations.

    • Thermo-chemical composite fracturing

    Prepad chemicals react and generate heat to increase the temperature in fractures and reduce the flowing resistance of crude oil, thus improving the treatment results. This technique is applicable to the treatment of low-permeability formations with viscous crude and high paraffin content.

    • Limited-entry fracturing

    With low perforation density and a large supply flow of fracturing fluid, sufficient perforation frictional resistance can be created to simultaneously treat up to five formations with similar breakdown pressures. This technology is suitable for the completion and fracturing of oil and water wells with multiple oil layers, thin interbeds and low permeability, which allows for low-density perforation at fixed locations.

    • Coiled tubing acidizing
    • Prepad acid fracturing
    • Acid fracturing to reduce filter loss
    • Acid fracturing for closed fractures
    • Acid fracturing by multi-stage alternating injection
    • Acid fracturing with nitric acid powder

    2D, pseudo-3D and full-3D optimizing design and fracture modeling

    Formation diagnosis and analysis Optimization of fracturing fluid

    • Hot fracturing fluid
    • Deep-well fracturing fluid
    • Cleaning fracturing fluid
    • Oil-based fracturing fluid
    • Residue-free fracturing fluid
    • CO2 and N2 foam fracturing fluid
    • Quartz sand proppant
    • Ceramsite proppant

    Design of fracturing process and parameters

    Effect evaluation

    About L.E.A.D.

    LEAD OILFIELD SOLUTIONS COMPANY is a professional manufacturer and supplier of Sodium Polyacrylate, Corrosion inhibitor, Demulsifierin China. We offer stimulation service and chemicals, acid fracturing engineering. We produce such as clay inhibitor, encapsulated gel breaker, defoameretc. Please visit the company's website at www.sloilfield.com. Connect with L.E.A.D. onGoogle+, and LinkedIn.

    CONTACTS:

    For Inquiry:

    info@sloilfield.com

    +86-532-66983589

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