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Process of harmless treatment of drilling wast fluid in deep wells and ultra-deep wells

Established in 2001, Puyang Zhong Yuan Restar Petroleum Equipment Co.,Ltd, “RSD” for short, is Henan’s high-tech enterprise with intellectual property advantages and independent legal person qualification. With registered capital of RMB 50 million, the Company has two subsidiaries-Henan Restar Separation Equipment Technology Co., Ltd We are mainly specialized in R&D, production and service of various intelligent separation and control systems in oil&gas drilling,engineering environmental protection and mining industries.We always take the lead in Chinese market shares of drilling fluid shale shaker for many years. Our products have been exported more than 20 countries and always extensively praised by customers. We are Class I network supplier of Sinopec,CNPC and CNOOC and registered supplier of ONGC, OIL India,KOC. High quality and international standard products make us gain many Large-scale drilling fluids recycling systems for Saudi Aramco and Gazprom projects.

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Process of harmless treatment of drilling wast fluid in deep wells and ultra-deep wells
A Novel Calculation Model for Liquid Carrying Capacity of ...
A Novel Calculation Model for Liquid Carrying Capacity of ...

The minimum amount of gas required to fully carry the produced liquid to surface is known as the ,critical, liquid ,carrying capacity,. Through repeated improvements, the theory on ,critical, liquid ,carrying capacity, is now mature and comprehensive [8-11].

Flow-induced proppant carrying capacity - ScienceDirect
Flow-induced proppant carrying capacity - ScienceDirect

1/10/2016, · We show that the fluid's carrying capacity is, flow rate dependent, and increases with increasing flow. This obviates the need for viscosifiers and breakers because high carrying capacity is achieved by a shear induced structure network. We investigate the fluid rheology effects on carrying capacity in a specifically designed fracture flow cell.

2021 Hydraulic Fracturing Technology Showcase
2021 Hydraulic Fracturing Technology Showcase

15/12/2020, · As the polymer continues to hydrolyze, it finds the path of least resistance where it agglomerates and can effectively minimize ,fluid, loss before fully hydrolyzing to aqueous lactic acid, a substance classified as Generally Recognized as Safe, in 8 to 10 hours at 250 F or 48 hours at 200 F and allows ,flowback,.

Current opinions on foam-based hydro-fracturing in deep ...
Current opinions on foam-based hydro-fracturing in deep ...

12/11/2015, · A moderate foam viscosity is important, as foam with less viscosity has greater ability to enter the ends of fractures with tiny openings and foam with high viscosity has a greater, proppant-carrying, capacity. Foam,-based, fracturing fluid has many merits compared to traditional water-based fracturing fluids, including higher, proppant-carrying capacity,, lower water consumption and …

Study on Fluid-Rock Interaction and Reuse of Flowback ...
Study on Fluid-Rock Interaction and Reuse of Flowback ...

1/1/2018, · Comparing to the original ,fracturing fluid, whose density was 1.30 g/cc, the density of the ,flowback fluid, decreased with time, indicating the loss of weighting agent into the formation. When the ,flowback fluid, is reused, additional weighting agent might be needed depending on the ,fracturing, job; however, the dosage can be less than the case using the fresh water.

Reduced adsorption of polyacrylamide‐based fracturing ...
Reduced adsorption of polyacrylamide‐based fracturing ...

However, slick‐water ,fracturing, only provides a small amount of proppant owing to the low viscosity of the ,fracturing fluid,. 10 To enhance the ,carrying capacity, of proppant and increase the effective volume of reservoir stimulation, high pump rates exceeding 20 m 3 /min are required to transport the proppant during the hydraulic ,fracturing, process.

Study on Fluid-Rock Interaction and Reuse of Flowback ...
Study on Fluid-Rock Interaction and Reuse of Flowback ...

However, ,fracturing fluid, can interact with formation minerals and the connate water therein, resulting in high contents of suspended and dissolved solids in the ,flowback fluid, [ 20, 21 ]. When this ,flowback fluid, is reused, the proppant-,carrying capacity, of the gel can be seriously weakened.

A Critical Review of the Risks to Water Resources from ...
A Critical Review of the Risks to Water Resources from ...

The rapid rise of shale gas development through horizontal drilling and high volume hydraulic ,fracturing, has expanded the extraction of hydrocarbon resources in the U.S. The rise of shale gas development has triggered an intense public debate regarding the potential environmental and human health effects from hydraulic ,fracturing,. This paper provides a ,critical, review of the potential risks ...

Study on the Reutilization of Clear Fracturing Flowback ...
Study on the Reutilization of Clear Fracturing Flowback ...

The clear ,fracturing flowback, fluids were used as surfactant flooding system with the addition of α-olefin sulfonate (AOS) for enhanced oil recovery (EOR). The interfacial activity, emulsification activity and oil recovery capability of the recycling system were studied.

A Novel Calculation Model for Liquid Carrying Capacity of ...
A Novel Calculation Model for Liquid Carrying Capacity of ...

Many experiments and mathematical models have been designed to solve this issue [1-7]. The minimum amount of gas required to fully carry the produced liquid to surface is known as the ,critical, liquid ,carrying capacity,. Through repeated improvements, the theory on ,critical, liquid ,carrying capacity, is now mature and comprehensive [8-11].

Search hydraulic fracturing: Preparing for fluid sampling ...
Search hydraulic fracturing: Preparing for fluid sampling ...

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Downhole Transformation of the Hydraulic Fracturing Fluid ...
Downhole Transformation of the Hydraulic Fracturing Fluid ...

Downhole Transformation of the Hydraulic ,Fracturing Fluid, Biocide Glutaraldehyde: Implications for ,Flowback, and Produced Water Quality Genevieve A. Kahrilas,† Jens Blotevogel,‡ Edward R. Corrin,§ and Thomas Borch*,†,‡,# †Department of Chemistry, Colorado State University, 1872 Campus Delivery, Fort Collins, Colorado 80523, United States ‡Department of Civil and Environmental ...

(DOC) HPHT Hydraulic Fracturing | Avi Aggarwal - Academia.edu
(DOC) HPHT Hydraulic Fracturing | Avi Aggarwal - Academia.edu

Some ,fracturing fluid, may remain in the ... Diesel is frequently used in lieu of water to dissolve the guar powder because its ,carrying capacity, per unit ... The results showed that similar fracture lengths could be obtained when using VES fluids by using lower volumes of ,fluid, and proppant. ,Flowback, results showed that the wells that ...

Calculation of proppant-carrying flow in supercritical ...
Calculation of proppant-carrying flow in supercritical ...

1/7/2018, · When the fracturing fluid flow rate is too low, the fracturing fluid has a, limited proppant-carrying capacity,, which is insufficient for providing effective proppant scale. If the fracturing fluid flow rate increases, numerous of surface particles from the proppant embankment start moving and gradually form a stable proppant flow layer with a certain thickness, as shown in Fig. 4 .

Fracking flowback could pollute groundwater with heavy ...
Fracking flowback could pollute groundwater with heavy ...

Increasing the flow rate of the ,flowback fluid, mobilized an additional 36 percent of colloids. They believe this is because the chemical ,composition, of the ,flowback fluid, ... ,fracturing, – or ...

Preparation of a Novel Fracturing Fluid System with ...
Preparation of a Novel Fracturing Fluid System with ...

Meanwhile, some scholars have proposed that leveraging the benefits of elasticity outweighs the advantages offered from increasing the viscosity ,of fracturing, fluids when it comes to improving sand-,carrying capacity,. Therefore, a ,fracturing fluid, with high elasticity and low viscosity should be developed to improve its sand transport ,capacity, and decrease the friction between ,fracturing fluid, …

Geochemical Characteristics of Gas and Flowback Water in ...
Geochemical Characteristics of Gas and Flowback Water in ...

However, after approximately 12 days after ,fracturing,, the proportion ,of fracturing fluid, in the ,flowback fluid, increased until the ,flowback fluid, consisted predominately ,of fracturing fluid,. Therefore, the concentration of type 1 elements in the ,flowback fluid, increased and continued to maintain a level equivalent to that in the ,fracturing fluid,.

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