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Treatment of acid mine wastewater by magnesium carbonate

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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Treatment of acid mine wastewater by magnesium carbonate
Repository for Oil and Gas Energy Research (ROGER) | PSE ...
Repository for Oil and Gas Energy Research (ROGER) | PSE ...

Removal of organic compounds from shale ,gas fracturing flowback, water by an integrated electrocoagulation and electro-peroxone process

CN101475290B - Recovery processing process for fracturing ...
CN101475290B - Recovery processing process for fracturing ...

The invention relates to a process for reclaiming and treating ,fracturing, backflow ,fluid,. The process comprises the following steps: a, feeding the ,fracturing, backflow ,fluid, into a dirty oil reclaiming pool, and reclaiming dirty oil; b, after natural degradation, adding gel breaker active polyaluminium chloride into sewage, and pumping the sewage into an electric flocculator; c, further ...

Federal Register :: Oil and Gas; Hydraulic Fracturing on ...
Federal Register :: Oil and Gas; Hydraulic Fracturing on ...

29/12/2017, · The purpose of the BLM's proposed action (the 2017 prosed rule) “is to reduce and eliminate unnecessary regulatory requirements in order to more efficiently manage oil and ,gas, operations,” and the need is “to more prudently balance the BLM's interest in mitigating the risks of oil and ,gas, development operations, including hydraulic ,fracturing,, . . . with the compliance burdens it imposes on the oil and ,gas, …

Federal Register :: Oil and Gas; Hydraulic Fracturing on ...
Federal Register :: Oil and Gas; Hydraulic Fracturing on ...

26/3/2015, · Hydraulic ,fracturing, involves the injection of ,fluid, under high pressure to create or enlarge fractures in the reservoir rocks. The ,fluid, that is used in hydraulic ,fracturing, is usually accompanied by proppants, such as particles of sand, which are carried into the newly fractured rock and help keep the fractures open once the ,fracturing, operation is completed.

Characteristics and significance of flow-back processes ...
Characteristics and significance of flow-back processes ...

In order to optimize the ,flowback, process for a shale-,gas, reservoir after ,fracturing,, the characteristics of the two-phase flow in the ,flowback, process were analyzed based on the data of 36 shale ,gas, wells located in the Longmaxi Formation of Weiyuan area, and the effect of shut-in operation on well ,production, was studied. Moreover, laboratory testing was conducted in order to verify if the ...

Federal Register :: Oil and Gas; Hydraulic Fracturing on ...
Federal Register :: Oil and Gas; Hydraulic Fracturing on ...

29/12/2017, · The purpose of the BLM's proposed action (the 2017 prosed rule) “is to reduce and eliminate unnecessary regulatory requirements in order to more efficiently manage oil and ,gas, operations,” and the need is “to more prudently balance the BLM's interest in mitigating the risks of oil and ,gas, development operations, including hydraulic ,fracturing,, . . . with the compliance burdens it imposes on the oil and ,gas, …

Plants and soil amendments for remediation of soil ...
Plants and soil amendments for remediation of soil ...

Oil and ,gas production, water (PW), also known as oil field brine, ,flowback, water, or formation water, is generated as a by-product of oil and ,gas production, (Roach et al., 1993; Ramirez, 2002; Veil et al., 2004). A large operating oil field can produce several hundred thousand barrels of water daily (Collins, 1975).

'What the Frack?' Why Hydraulic Fracturing is Abnormally ...
'What the Frack?' Why Hydraulic Fracturing is Abnormally ...

water. The NPDES requires that ",flowback," be treated, usually at a water ,treatment plant,, prior to disposal.2' Underground injection as a method of disposal for recovered ,fracturing fluid, is subject to EPA regulation through the Underground Injection Control (UIC) program as a Class II injection

EPA Scientist Points at Fracking in Fish-Kill Mystery ...
EPA Scientist Points at Fracking in Fish-Kill Mystery ...

The water comes back up, mixed with salts and other substances more toxic than the chemicals in the original ,fluid,. The resulting mixture, called ",flowback," must be disposed of.

Oil and Gas Production Wastewater: Soil Contamination and ...
Oil and Gas Production Wastewater: Soil Contamination and ...

In this paper, oil and ,gas flowback, water, produced water, and hydraulic ,fracturing, fluids will collectively be termed oil and ,gas production, wastewater (OGPW). As HF operations are expanding, the volumes of wastewater being generated are increasing exponentially [ 19.

Technical Development Document for Proposed Effluent ...
Technical Development Document for Proposed Effluent ...

----- Glossary ,Flowback, Formation water Hydraulic ,fracturing, Hydraulic ,fracturing fluid, Long-term produced water (LTPW) Naturally occurring radioactive material (NORM) Non-TDS removal technologies Produced sand Produced water (brine) Proppant Publicly owned ,treatment, works (POTW) Source water GLOSSARY (Continued) The produced water generated in the initial period after hydraulic ,fracturing, prior to ,production, (i.e., ,fracturing fluid,…

Brackish water resources and water treatment: Studies that ...
Brackish water resources and water treatment: Studies that ...

The study concludes that the risk of freshwater aquifer contamination is minimal to non-existent, and that following simple chemical ,treatment, of desalination ,plant, concentrate, injection into depleted oil and ,gas, fields should not present any problems outside the range already faced by industry, while injecting coproduced brackish water back into hydrocarbon producing formations (a common and long held …

'What the Frack?' Why Hydraulic Fracturing is Abnormally ...
'What the Frack?' Why Hydraulic Fracturing is Abnormally ...

water. The NPDES requires that "flowback" be treated, usually at a water treatment plant, prior to disposal.2' Underground injection as a method of disposal for recovered fracturing fluid is subject to EPA regulation through the Underground Injection Control (UIC) program as a Class II injection

'What the Frack?' Why Hydraulic Fracturing is Abnormally ...
'What the Frack?' Why Hydraulic Fracturing is Abnormally ...

water. The NPDES requires that ",flowback," be treated, usually at a water ,treatment plant,, prior to disposal.2' Underground injection as a method of disposal for recovered ,fracturing fluid, is subject to EPA regulation through the Underground Injection Control (UIC) program as a Class II injection

15.7: Natural Gas and Petroleum - Chemistry LibreTexts
15.7: Natural Gas and Petroleum - Chemistry LibreTexts

There are concerns regarding the potential contamination of fresh groundwater resources from oil and ,gas, extraction wells that use hydraulic ,fracturing,; either from the petroleum resource being produced or from the chemicals introduced in the ,fracturing, process. Fracking ,fluid flowback, – the ,fluid, pumped out of the well and separated from oil and ,gas, – not only contains the chemical additives used in the …

New Method for Quantitative Prediction of Liquid Flowback ...
New Method for Quantitative Prediction of Liquid Flowback ...

Large scale ,fracturing fluid, is injected into the formation to produce fractures for the effective development of shale reservoir. However, the ,flow back, rate ,of fracturing fluid, is often less than the half of the injected liq., which causes large no. ,of fracturing fluid, retaining in the shale reservoir, thus aq. phase trapping (APT) appears.

New Method for Quantitative Prediction of Liquid Flowback ...
New Method for Quantitative Prediction of Liquid Flowback ...

Large scale ,fracturing fluid, is injected into the formation to produce fractures for the effective development of shale reservoir. However, the ,flow back, rate ,of fracturing fluid, is often less than the half of the injected liq., which causes large no. ,of fracturing fluid, retaining in the shale reservoir, thus aq. phase trapping (APT) appears.

A two phase flowback model for multiscale diffusion and ...
A two phase flowback model for multiscale diffusion and ...

Both water and ,gas production, rates in the early period and the ,gas production, rate in the later ,production, period were studied under different fracture properties ...

Brackish water resources and water treatment: Studies that ...
Brackish water resources and water treatment: Studies that ...

The study concludes that the risk of freshwater aquifer contamination is minimal to non-existent, and that following simple chemical ,treatment, of desalination ,plant, concentrate, injection into depleted oil and ,gas, fields should not present any problems outside the range already faced by industry, while injecting coproduced brackish water back into hydrocarbon producing formations (a common and long held …

Publications | Linden Research Group | University of ...
Publications | Linden Research Group | University of ...

Dischinger, S.M., Rosenblum, J., Noble, R.D., Gin, D.L., *Linden, K.G. (2017) “Application of a lyotropic liquid crystal nanofiltration membrane for hydraulic ,fracturing flowback, water: Selectivity and implications for ,treatment,” Journal of Membrane Science 543, 319-327

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