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Industrial and mining acid wastewater as sulfur activator

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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Industrial and mining acid wastewater as sulfur activator
Fracturing-Fluid Flowback Simulation with Consideration of ...
Fracturing-Fluid Flowback Simulation with Consideration of ...

Fracturing,-fluid flowback is a complex process, involving fluid transport, proppant transport, fracture closure, as well as their interactions. Proppant transport has long been recognized in modelling fracture propagation during the ,fracturing,-fluid pumping process.1−7 Two major forces control the transport

SPE-168967-MS Simulation of Coupled Hydraulic Fracturing ...
SPE-168967-MS Simulation of Coupled Hydraulic Fracturing ...

width, and M 6 ß Ø Ô Þ is the ,fluid, leakoff ,rate, per unit area. We assume ,fluid, and proppant to be incompressible in the fracture. Then, densities in Equations 1 and 2 cancel. We sum those equations over proppant and ,fluid, components, respectively, and add the two to obtain an overall slurry balance: ! c Û é , & Û > Û o é , & Ñ o ê g ...

Research and Application of an Environmental-Friendly Low ...
Research and Application of an Environmental-Friendly Low ...

Refer to China’s oil and gas industry standard SY/T5107-2005 “Water-based ,fracturing fluid, performance evaluation method”, select the instrument JHJZ-I high temperature and high pressure dynamic drag reduction evaluation system drag reduction ,rate, tester to test the drag reduction ,rate, in 3% chlorination The reduction ,rate, of 0.1% CQFR slick water ,fracturing fluid, was tested in sodium ...

Fracture Diagnostics & Analysis - ResMetrics
Fracture Diagnostics & Analysis - ResMetrics

To help diagnose the impact of a frac hit on ultimate recovery, chemical tracers can be used to ,calculate, the amount of frac ,fluid, and hydrocarbon production being communicated between wells. Unique tracers tag the individual stages of a child well and identify which are communicating with the parent well.

Recovery and treatment of fracturing flowback fluids in ...
Recovery and treatment of fracturing flowback fluids in ...

1/11/2015, · The fracturing flowback fluid treatment unit has the following main modules , , : ①, coagulation, and precipitation, which involves pumping the flowback fluid with sand preliminarily settling removed to the treatment tank, adding coagulant and ion precipitant in the tank to make the suspended solids and Ca 2+ and Mg 2+ ions coagulate and precipitate, realizing the preliminary separation of …

Settling and Mobilization of Sand‐Fiber Proppants in a ...
Settling and Mobilization of Sand‐Fiber Proppants in a ...

Approximately 1,000 ml of carrier fluid injected during each flowback stage: Q = 100 ml/min (2x) Q = 100 ml/min (3x) Q = 100 ml/min (3x) Q = 200 ml/min Q = 250 ml/min (2x) Q = 300 ml/min (2x)

Mathematical Model of Fracturing Fluid Flow Back in Micro ...
Mathematical Model of Fracturing Fluid Flow Back in Micro ...

In order to optimize the soaking effect of dense reservoir after ,fracturing,, different soaking methods need be chosen after ,fracturing,. According to the physical process of ,flowback, and the formation microcracks damage evolution, the ,fracturing fluid flowback, model can be established. The most researches that the domestic and foreign scholars have done before are to study ,the flowback rate, in ...

Fracturing fluids including amine oxides as flowback aids
Fracturing fluids including amine oxides as flowback aids

An aqueous ,fracturing fluid, comprises an environmentally friendly ,flowback, aid. ,The flowback, aid includes an amine oxide having the formula (CH3)NO(R1)(R2), where R1 and R2 are independently selected from linear or branched alkyl groups having from 8 to 16 carbon atoms. Optionally, the ,fracturing fluid, may further comprise an alcohol ethoxylate of the formula R3—(OC2H4)x—OH, wherein …

Research and application progress on treatment technology ...
Research and application progress on treatment technology ...

Download Citation | Research and ,application, progress on treatment technology of ,fracturing flowback fluid, | This paper analyzed the main components of ,fracturing flowback fluid,, introduced the ...

Wastewater from hydraulic fracturing in the UK: assessing ...
Wastewater from hydraulic fracturing in the UK: assessing ...

The ,fluid, volume injected at Preese Hall is well within the 5th and 95th percentile volumes of fluids injected for hydraulic ,fracturing, in 38 530 wells in the U.S. between 1st January 2011 and 28th February 2013 which range from 135 m 3 to 32 700 m 3 respectively, with a median volume of 6800 m 3. 43 However, these data include volumes for fractured vertical wells and coal bed methane ...

Study on fracturing flowback fluid treatment technology ...
Study on fracturing flowback fluid treatment technology ...

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Proposed Alternative Method for Calculating Emissions from ...
Proposed Alternative Method for Calculating Emissions from ...

•,Flowback, following hydraulic ,fracturing, TRIMERIC CORPORATION www.trimeric.com •Multiple ,fluid, phases (gas, oil, water) •Variable flow ,rate, •Variable composition •Result: EPA Equation W-11B typically overestimates GHG emissions

Prospect of shale gas recovery enhancement by oxidation ...
Prospect of shale gas recovery enhancement by oxidation ...

As hydrophilic shale nanopores have high capillary pressure [60], the ,fracturing fluid, will invade by spontaneous imbibition [5] when it is in contact with shale. Shut-in of shale gas wells after ,fracturing, will reduce ,the flowback rate of fracturing fluid,, and ,the flowback rate, will decrease with the increase of shut-in time [61].

Structure For Fluid Flowback Control Decision Making And ...
Structure For Fluid Flowback Control Decision Making And ...

1. A computer-implemented method for performing ,fluid flowback, control, the method comprising: obtaining information collected prior to a fracture closure stage of a ,fracturing, operation of a formation; determining, based on the information, whether to perform ,fluid flowback, during the fracture closure stage following a treatment stage of the ,fracturing, operation; and adjusting, based on the ...

Optimizing Hydraulic Fracturing Treatment Integrating ...
Optimizing Hydraulic Fracturing Treatment Integrating ...

1. Introduction. Following the success in exploiting shale gas resources by multi-stage hydraulic ,fracturing, with slickwaters or low-viscosity ,fluid, (i.e., linear gel) in horizontal wells in North America, there has been a lot of interest in applying this technique to other regions and other types of tight reservoirs.

Microbial communities in flowback water impoundments from ...
Microbial communities in flowback water impoundments from ...

Hydraulic ,fracturing, of shale is most commonly performed through the introduction of large volumes (c. 5000–20 000 m 3) of aqueous ,fracturing fluid, at sufficient ,rate, and pressure to break the hydrocarbon-bearing formation and increase its permeability for optimal flow rates of gas and liquids into the well bore (Arthur et al., 2008; Gregory et al., 2011).

2021 Hydraulic Fracturing Technology Showcase
2021 Hydraulic Fracturing Technology Showcase

To reduce ,fluid, loss encountered during the hydraulic ,fracturing, process, NatureWorks has released a new polylactic acid (PLA)-based degradable polymer called Ingeo DH1900 for downhole applications. Ingeo DH1900 can be pumped downhole as fine, discrete particles that quickly change into a thick, degradable material at the targeted site.

Optimizing Hydraulic Fracturing Treatment Integrating ...
Optimizing Hydraulic Fracturing Treatment Integrating ...

1. Introduction. Following the success in exploiting shale gas resources by multi-stage hydraulic ,fracturing, with slickwaters or low-viscosity ,fluid, (i.e., linear gel) in horizontal wells in North America, there has been a lot of interest in applying this technique to other regions and other types of tight reservoirs.

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