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Decolorization of acid wastewater

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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Decolorization of acid wastewater
Environmental impact of hydraulic fracturing - Wikipedia
Environmental impact of hydraulic fracturing - Wikipedia

The environmental impact of hydraulic ,fracturing, is related to land use and water consumption, air emissions, including methane emissions, brine and ,fracturing fluid, leakage, water contamination, noise pollution, and health.Water and air pollution are the biggest risks to human health from hydraulic ,fracturing,. Research has determined that human health is affected.

Management of Oil and Gas Exploration and Production Waste ...
Management of Oil and Gas Exploration and Production Waste ...

Voluntary Management Practices for ,Oil and Gas Exploration and Production, Wastes. In concert with the application of state regulatory requirements, there are a variety of voluntary management practice guidance (often referred to in industry as "Best Management Practices," or "BMPs") for operators to evaluate and use in the development of site-specific ,exploration and production waste, ...

Unconventional Fracturing Fluids: What Where and Why
Unconventional Fracturing Fluids: What Where and Why

water ,content, lower interfacial tension and enhance the water ,content,, lower interfacial tension, and enhance the evaporation of the water-based filtrate during reservoir cleanup • Use of non-aqueous fluids (methanol-based, ,oil,-based, or gas-based) to eliminate water injected into the formation © 2010 Baker Hughes Incorporated.

Fracturing fluids and additives - PetroWiki - Oil&Gas
Fracturing fluids and additives - PetroWiki - Oil&Gas

16/4/2020, · The ,fluid, density affects the surface injection pressure and the ability of the ,fluid, to ,flow back, after the treatment. Water-based fluids generally have densities near 8.4 ppg. ,Oil,-base ,fluid, densities will be 70 to 80% of the densities of water-based fluids. Foam-,fluid, densities can be substantially less than those of water-based fluids.

Optimizing Water Management in Hydraulic Fracturing for ...
Optimizing Water Management in Hydraulic Fracturing for ...

Some drilling operators elect to re-use a portion of the wastewater to replace and/or supplement fresh water in formulating ,fracturing fluid, for a future well or re-,fracturing, the same well. Re-use of shale ,oil, and gas wastewater is, in part, dependent on the levels of pollutants in the wastewater and the proximity of other ,fracturing, sites that might re-use the wastewater.

Fracking Wastewater & Saltwater Sourcing Treatment ...
Fracking Wastewater & Saltwater Sourcing Treatment ...

UV and oxidation treatments are then used to effectively neutralize microbes and destroy residual polymers if any are left over from frac ,flowback,. In addition to recycling produced water for use as frac water or reinjection for waterflood EOR, we can apply ,oilfield water treatment solutions, to improve the quality of water destined for disposal.

Isolation Scanner Cement Evaluation Service | Schlumberger
Isolation Scanner Cement Evaluation Service | Schlumberger

Isolation Scanner, cement evaluation service combines pulse-echo technology with ultrasonic flexural wave imaging to accurately evaluate almost any type of cement by differentiating low-density solids from liquids around the entire casing circumference, along with pinpointing channels and wear.

Petropedia - What is Frac Flowback? - Definition from ...
Petropedia - What is Frac Flowback? - Definition from ...

Frac Flowback is a water-based solution which flows back into the earth's surface after the completion of hydraulic fracturing of shale gas reserves. This water-based solution consists of chemical additives, mud, clay, dissolved metal ions and total dissolved solids. The water is murky due to the high amount of suspended particles.

API | API Recommended Practice 54 4th Edition
API | API Recommended Practice 54 4th Edition

API Recommended Practice 54, 4th Edition,. The ,American Petroleum Institute, has released the fourth edition of Recommended Practice 54 (RP 54), Occupational Safety and Health for ,Oil, and Gas Well Drilling and Servicing Operations, which provides procedures for promoting and maintaining safe and healthy working conditions for personnel in drilling and well servicing operations.

Oil and Gas Flowback Operations: Releasing a Killer - EHS ...
Oil and Gas Flowback Operations: Releasing a Killer - EHS ...

“,Flowback,,” in the ,oil, and gas industry, refers to process fluids that are collected at the surface after hydraulic ,fracturing, operations are completed. The fluids contain both the hydraulic ,fracturing, fluids, and volatile hydrocarbons.

Hydraulic Fracturing 101 - Earthworks
Hydraulic Fracturing 101 - Earthworks

Two spills kill fish: In September 2009, Cabot ,Oil, and Gas spilled ,hydraulic fracturing fluid, gel LGC-35 twice at the company’s Heitsman gas well. The two incidents released a total of 8,000 gallons of the ,fracturing fluid,, polluting Stevens Creek and resulting in a fish kill. LGC-35, a well lubricant used during the ,fracturing, process.

Chemical Tracer Flowback Data Help Understanding of Fluid ...
Chemical Tracer Flowback Data Help Understanding of Fluid ...

Each stage consisted of approximately 500,000 gal of water-based ,fracturing fluid, and 451,000 lbm of sand. Slick­water and linear gel were used as the carrier ­fluids. 100-mesh sand was pumped from 0.2 to 1 lbm/gal, and 40/70-mesh followed from 1 to 2 lbm/gal.

Oil and Natural Gas Sector Hydraulically Fractured Oil ...
Oil and Natural Gas Sector Hydraulically Fractured Oil ...

reservoir rock is fractured with very high pressure fluid, typically a water emulsion with a proppant (generally sand) that ³props open´ the fractures after fluid pressure is reduced. Oil well completions with hydraulic fracturing can result in VOC and methane emissions, which occur when gas is vented to the atmosphere during flowback.

Hydraulic Fracturing Fluid Forensics: Potential and Pitfalls
Hydraulic Fracturing Fluid Forensics: Potential and Pitfalls

Hydraulic Fracturing Fluid Forensics: Potential and, Pitfalls Jessie M. Kneeland, Ph.D. Eric L. Butler, Ph.D. November 12, 2013 20 th IPEC Conference San Antonio, TX

Hydraulic fracturing - Wikipedia
Hydraulic fracturing - Wikipedia

Hydraulic ,fracturing,, also called fracking, fracing, hydrofracking, fraccing, frac'ing, and hydrofracturing, is a well stimulation technique involving the ,fracturing, of bedrock formations by a pressurized liquid. The process involves the high-pressure injection of "fracking ,fluid," (primarily water, containing sand or other proppants suspended with the aid of thickening agents) into a wellbore ...

API | How much water does hydraulic fracturing use?
API | How much water does hydraulic fracturing use?

How ,much water does hydraulic fracturing use,? The average fracking job uses roughly 4 million gallons of water per well – or about as much water as New York City uses every six minutes and about 1.3 percent of the water used by the country’s car washes every day.That can vary by state, because the amount of water used in each hydraulic ,fracturing, job depends on geology and a number of ...

Hydraulic Fracturing 101 - Washington State University
Hydraulic Fracturing 101 - Washington State University

constituents have been shown to be present in ,fracturing fluid flowback, wastes at levels that exceed drinking water standards. For example, testing of ,flowback, samples from Texas have revealed concentrations of 1,2-Dichloroethane at 1,580 ppb, which is more than 316 times EPA’s Maximum Contaminant Level for 1,2-Dichloroethane in drinking water.

Electromagnetic Data Track Fluid Movement Improve Frac ...
Electromagnetic Data Track Fluid Movement Improve Frac ...

With accurate knowledge of where injected frac ,fluid, is going, operators can make necessary adjustments quickly to improve performance. AEM also can image ,fluid, movement post-stimulation during ,flowback,, offering reliable insight into completion treatment designs, all while being nonintrusive and totally removed from operations on the pad.

Hydraulic Fracturing
Hydraulic Fracturing

Hydraulic ,fracturing, treatment is the stimulation of a well by the application of hydraulic ,fracturing fluid, under pressure for the express purpose of initiating or propagating fractures in a target geologic formation to enhance production of ,oil, and/or natural gas.

CAPP Hydraulic Fracturing Operating Practice: WATER ...
CAPP Hydraulic Fracturing Operating Practice: WATER ...

Flowback,: The flow ,of fracturing fluid, back to the wellbore after treatment is completed. Fresh (non-saline) groundwater: Groundwater that has a total dissolved solids (TDS) ,content, less than or equal to 4,000 mg/L or as defined by the jurisdiction. Produced water: Water naturally present in the reservoir or injected into the reservoir to enhance

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