Welcome to the company ! we have many years of professional experience !
rsdzd@pyzyrsd.com +86 13525609655

concrete jungle

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.

Certificate of Honor

CONTACT US

Customer satisfaction is our first goal!

Phone

+86 13525609655

E-Mail

rsdzd@pyzyrsd.com

Address

Road West, North Branch, Jingkai Road, Puyang City

concrete jungle
4. THE MAIN CHARACTERISTICS OF TROPICAL PEATS
4. THE MAIN CHARACTERISTICS OF TROPICAL PEATS

Hydraulic, conductivity. The rate of movement of water through the soil is highly relevant to drainage problems. It is controlled by several factors. The type of peat, degree of decomposition and bulk density influence ,hydraulic, conductivity and they provide a good basis for its assessment (Boelter 1974).

Mechanical-Chemical-Mineralogical Controls on Permeability ...
Mechanical-Chemical-Mineralogical Controls on Permeability ...

We report experimental observations of permeation of CO 2 -rich aqueous fluids of varied acidic potential (pH) on three different shales to investigate ,mechanical, chemical,, and mineralogical effects on fracture permeability evolution. Surface profilometry and SEM-EDS (scanning electron microscopy with energy-dispersive X-ray spectroscopy) methods are employed to quantify the evolution in both ...

Subsurface Stormflow - Weiler - 2005 - Major Reference ...
Subsurface Stormflow - Weiler - 2005 - Major Reference ...

There is now wide consensus that in areas with steep slopes, thin soils, and matrix ,hydraulic, conductivities above the maximum rainfall intensity, water moves vertically to depth (as matrix or preferential flow), perches at the soil‐bedrock or an impeding layer at depth, and then moves laterally along the lowest depths of the profile (Freer et al., 2002; McDonnell, 1990; Peters et al., 1995; Sidle et …

Evaluation of 3D soil hydraulic data using the SWAT model ...
Evaluation of 3D soil hydraulic data using the SWAT model ...

Evaluation of 3D soil ,hydraulic, data using the SWAT model on the ,Zala and Kapos catchments, Hungary, Pres.:Zsolt Jolankai1 Contributors: Mate Kardos1, Zsolt Kozma1 Laszlo Pasztor2, Brigitta Szabo2,3 1. Budapest University of Technology and Economics 2.Research Institute of Soil Sciences and Agricultural ,Chemistry, 3.Georgikon Faculty, University ...

ORNL DAAC SOIL HYDRAULIC CONDUCTIVITY DATA (FIFE)
ORNL DAAC SOIL HYDRAULIC CONDUCTIVITY DATA (FIFE)

Q is the steady state flow rate of water into the well hole [cm^3][sec^-1], H is the depth of water in the hole [cm], a is the radius of the auger hole [cm] and C is a dimensionless shape ,parameter, that depends mainly on the H/a ratio and to a lesser extent on the K(0)/phi ratio (see Reynolds et al., 1985).

INSTRUMENTATION AND CONTROL Module 7 Process Controls
INSTRUMENTATION AND CONTROL Module 7 Process Controls

parameter,. In the example of the central heating unit, the system monitors the temperature of the house using a thermostat. When the temperature of the house drops to a preset value, the furnace turns on, providing a heat source. The temperature of the house increases until a switch in the thermostat causes the furnace to turn off.

Generic parameters of first-order kinetics accurately ...
Generic parameters of first-order kinetics accurately ...

The conventional soil organic matter (SOM) decay paradigm considers the intrinsic quality of SOM as the dominant decay limitation with the result that it is modelled using simple first-order decay ...

INSTRUMENTATION AND CONTROL Module 7 Process Controls
INSTRUMENTATION AND CONTROL Module 7 Process Controls

parameter,. In the example of the central heating unit, the system monitors the temperature of the house using a thermostat. When the temperature of the house drops to a preset value, the furnace turns on, providing a heat source. The temperature of the house increases until a switch in the thermostat causes the furnace to turn off.

A non-dimensional parameter for classification of the flow ...
A non-dimensional parameter for classification of the flow ...

Abstract. A simple ,parameter,, called the Aneurysm number ( An) which is defined as the ratio of transport to vortex time scales, has been shown to classify the flow mode in simplified aneurysm geometries. Our objective is to test the hypothesis that An can classify the flow in …

Hydraulic Pumping Units for Offshore Platform - OnePetro
Hydraulic Pumping Units for Offshore Platform - OnePetro

Abstract This paper introduces a ,hydraulic, pumping unit for offshore platform thathas been developed by Shengli Petroleum Administration and successfully appliedto the oil field. This pumping unit adopts closed return circuit. In order toreclaim pow

Developing a Site Characterization Plan
Developing a Site Characterization Plan

hydraulic, head, and flow velocity Characterization Objective: Determine the lateral and vertical extent of dissolved phase VOCs. Data Gap: The vertical and lateral extent is unknown. Data Collection Objective: Gather data on: fracture location, orientation, connectivity and VOC concentration in the source, plume and towards receptors.

Hydraulic Design Manual: Conduit Strength and Durability
Hydraulic Design Manual: Conduit Strength and Durability

In very hilly and rocky areas, consider abrasion as a possible threat to the expected service life of the ,conduit,. The hydrogen ion content (pH) of the soil and water and the resistivity of the soil and water determine the relative effect of a site on the durability of a drainage structure.

Glossary of Water Resource Terms - Edwards Aquifer
Glossary of Water Resource Terms - Edwards Aquifer

definition or statement of conditions or phenomena at the boundaries of a model; water levels, flows, and concentrations that are specified at the boundaries of the area being modeled. bore to create a well by drilling; the hole or passage made by a drill; tidal flow of water up estuaries.

Main Parameters of Soil Quality and it's Management Under ...
Main Parameters of Soil Quality and it's Management Under ...

Reviewing Paper Introduction: Malcolm summarised the topic of soil quality and it's management in a well synthetized form in 2000. So, the soils are fundamental to the well-being and productivity of agricultural and natural ecosystems. Soil quality is a concept being developed to characterize the usefulness and health of soils. Soil quality includes soil fertility, potential productivity ...

Developing a Site Characterization Plan
Developing a Site Characterization Plan

hydraulic, head, and flow velocity Characterization Objective: Determine the lateral and vertical extent of dissolved phase VOCs. Data Gap: The vertical and lateral extent is unknown. Data Collection Objective: Gather data on: fracture location, orientation, connectivity and VOC concentration in the source, plume and towards receptors.

Chat Online Inquiry Email

Business cooperation

+86 13525609655

Company address

Road West, North Branch, Jingkai Road, Puyang City