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Hazard characteristics 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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Hazard characteristics of acid wastewater
SPE-168967-MS Simulation of Coupled Hydraulic Fracturing ...
SPE-168967-MS Simulation of Coupled Hydraulic Fracturing ...

The reservoir portion of the model would be the ,standard, reservoir flow formulation based on Darcy’s law and conservation of mass. Such a model is characterized by rock porosity and permeability and ,fluid, pressure and saturations. These rock properties will be spatially variable and ,fluid, phases will be aqueous and gas. Theory and Methdology

A semi‐analytical model for capturing dynamic behavior of ...
A semi‐analytical model for capturing dynamic behavior of ...

Energy Sci Eng. 2020;00:1–27. wileyonlinelibrary.com/journal/ese3 | 1 1 | INTRODUCTION Development of tight oil reservoir relies on multistage ,frac-turing, ...

Energies | Special Issue : Shale Oil and Shale Gas Resources
Energies | Special Issue : Shale Oil and Shale Gas Resources

Volume ,fracturing, is an effective way to generate a larger number of fractures. Field application indicates that volume ,fracturing, treatment can form a much greater reservoir stimulation volume. Daily oil production in the volume-,fracturing,-treated wells can be more than twice as high as that in the conventional-,fracturing,-treated wells. Full article

CN105819630A - Flowback plant-gum fracturing liquid ...
CN105819630A - Flowback plant-gum fracturing liquid ...

The invention provides a ,flowback, plant-gum ,fracturing, liquid treating technology .The ,flowback, plant-gum ,fracturing, liquid treating technology includes the following steps of 1, flocculating; 2, oxidizing; 3, precipitating; 4, biochemical process treating; 5, coarse filtering; 6, fine filtering; 7, electroosmosis; 8, sterilizing; 9, metal ion and pH adjusting; 10, reverse osmosing .According ...

Flow-back Water Treatment Device | Haimo Technologies
Flow-back Water Treatment Device | Haimo Technologies

References:《GuarFracturing ,Fluid flowback, water recycling and reuse quality ,standard,》Q/SY CQ 3559-2015 Technical Characteristics: a).Wide application range, strong impact resistance, it can handle different kinds of ,flowback, water formed by different ,fracturing, systems and different ,fracturing, processes to ensure that the output water quality meets the requirements of re-injection or reuse;

14th U.S. · China Oil & Gas Industry Forum
14th U.S. · China Oil & Gas Industry Forum

Taken as an example, hydraulic jetting has been a mature technology ,in Changqing Oilfield,. The max ,fracturing, stages for single well reached 24. And also, the infinite order ,fracturing, can be achieved by dragging the string. The objective of ,fracturing, by one-trip string was achieved, and the maximum ,fracturing, stages reached 12.

A semi‐analytical model for capturing dynamic behavior of ...
A semi‐analytical model for capturing dynamic behavior of ...

Energy Sci Eng. 2020;00:1–27. wileyonlinelibrary.com/journal/ese3 | 1 1 | INTRODUCTION Development of tight oil reservoir relies on multistage ,frac-turing, ...

Energies | Special Issue : Shale Oil and Shale Gas Resources
Energies | Special Issue : Shale Oil and Shale Gas Resources

The Chang 7 reservoir ,in Changqing oilfield, is rich in tight oil. However, ... The object of the paper is the prediction of ,flowback fluid, composition at a laboratory scale, ... and regression equations describing the influence of rocks and ,fracturing fluid, parameters on the ,flowback fluid, composition were proposed.

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

The reservoir portion of the model would be the ,standard, reservoir flow formulation based on Darcy’s law and conservation of mass. Such a model is characterized by rock porosity and permeability and ,fluid, pressure and saturations. These rock properties will be spatially variable and ,fluid, phases will be aqueous and gas. Theory and Methdology

SOXJJLQJHIIHFWLQUHIUDFWXULQJ
SOXJJLQJHIIHFWLQUHIUDFWXULQJ

The candidate well is located at the ,Changqing oilfield, the Chang 6 2 1 reservoir. The perforated intervals include 1954.0 m - 1958.0 m and 1965.0 m - 1968.0 m. The well was put into production after ,fracturing, September 1998 and the production of oil is 25.5t/d. The cumulative oil production for the well reached 28647 t by September 2015.

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

In the process of using ,fracturing fluid, to reform the reservoir, the ,fracturing fluid, as the working ,fluid, will directly contact the reservoir and cannot be completely returned after the reconstruction, so when the ,fracturing fluid, stays in the reservoir, it will caused damage of the reservoir, which by causes the migration or expansion of the clay mineral, eventually blocking the pore throat reducing the …

Journal of Chemical and Pharmaceutical Research 2013 5 ...
Journal of Chemical and Pharmaceutical Research 2013 5 ...

Displacement ,fluid, guar gum based ,fluid, 1.6 6.0 59:59 RESULTS AND DISCUSSION 3.1. Test Results The well is a production well located in a structure of ,Changqing Oilfield,. The fractured layer is CL3, and its thickness is 9.0 m. The reservoir porosity is 8%, and the permeability is 0.04 mD. Sand ,fracturing, …

Journal of Chemical and Pharmaceutical Research 2013 5 ...
Journal of Chemical and Pharmaceutical Research 2013 5 ...

Displacement ,fluid, guar gum based ,fluid, 1.6 6.0 59:59 RESULTS AND DISCUSSION 3.1. Test Results The well is a production well located in a structure of ,Changqing Oilfield,. The fractured layer is CL3, and its thickness is 9.0 m. The reservoir porosity is 8%, and the permeability is 0.04 mD. Sand ,fracturing, …

flowback fluid | SPE
flowback fluid | SPE

flowback fluid, Feature. Peer reviewed (1)

Energies | Special Issue : Shale Oil and Shale Gas Resources
Energies | Special Issue : Shale Oil and Shale Gas Resources

Volume ,fracturing, is an effective way to generate a larger number of fractures. Field application indicates that volume ,fracturing, treatment can form a much greater reservoir stimulation volume. Daily oil production in the volume-,fracturing,-treated wells can be more than twice as high as that in the conventional-,fracturing,-treated wells. Full article

Proceedings of the 3rd International Conference on ...
Proceedings of the 3rd International Conference on ...

The ,standard, k- model was proposed to simulate the three-dimension turbulence flow. ... Nanoemulsion (NE) has been widely added into ,fracturing fluid, as ,flowback, additive to enhance ,fracturing fluid, recovery. ... ,Changqing, Guo, Changfeng Yan, Xiaoyong Zhao.

Characteristics of imbibition in tight oil reservoirs from ...
Characteristics of imbibition in tight oil reservoirs from ...

In tight oil reservoirs, the physical and chemical properties of the pore throats are poor, and the physical and chemical properties of the material on the surface of the pores change due to the small pore‐throat size, which makes the ,fluid, interact strongly with the surface of the core channel, and thin layers of ,fluid, are adsorbed on the surface of the pores, thus forming a boundary layer. 24-26 Cao et al 27 …

14th U.S. · China Oil & Gas Industry Forum
14th U.S. · China Oil & Gas Industry Forum

Taken as an example, hydraulic jetting has been a mature technology ,in Changqing Oilfield,. The max ,fracturing, stages for single well reached 24. And also, the infinite order ,fracturing, can be achieved by dragging the string. The objective ,of fracturing, by one-trip string was achieved, and the maximum ,fracturing, stages reached 12.

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