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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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+86 513525609655

E-Mail

rsdgj@pyzyrsd.com

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Road West, North Branch, Jingkai Road, Puyang City

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Well test-procedures-manual
Well test-procedures-manual

Clean initially using buckets and shovels. • Wash the first mud pit with 50bbls seawater pill containing descaler and oil mud removers. • ,Pump, pill into second pit and make up second 50bbls pill containing lower concentration descaler/oil mud remover. • ,Pump, second pill into first pit and first pill into third pit.

Building an Unvented Crawlspace - GreenBuildingAdvisor
Building an Unvented Crawlspace - GreenBuildingAdvisor

2) put tuff n dri and warm n dri around the exposed foundation for water ,control, and insulation; 3) closed off all the crawl space vents; 4) removed the insulation, plastic vapor ,barrier,, and dry rot wood; 5) and installed new subfloor in the room above.

Electroosmotic flow: From microfluidics to nanofluidics ...
Electroosmotic flow: From microfluidics to nanofluidics ...

The ,working principle, of this concept, which was later called electrokinetic transport, involves the interplay of the external electric field and a charged interface that is neutralized by a counter‐charge layer of the liquid. One of the well‐known categories of electrokinetic transport is EOF.

Electroosmotic flow: From microfluidics to nanofluidics ...
Electroosmotic flow: From microfluidics to nanofluidics ...

The ,working principle, of this concept, which was later called electrokinetic transport, involves the interplay of the external electric field and a charged interface that is neutralized by a counter‐charge layer of the liquid. One of the well‐known categories of electrokinetic transport is EOF.

Technology Roundtable: Coiled Tubing - ROGTEC
Technology Roundtable: Coiled Tubing - ROGTEC

The technique incorporates a venturi jet pump mounted on CCT, and is specifically designed to remove solids and/or fluids from the wellbore without placing hydrostatic loads on the reservoir. In sand vacuum mode, strong jets fluidize and mobilize solids into the vacuum as well as prevent a stuck pipe scenario.

Manual of Septic-Tank Practice
Manual of Septic-Tank Practice

The same depth ,of sand, is used, and the required filter area is the same as given in Table 14, with one exception: Where filters are constructed solely for seasonal use and have ,long, rest periods over the greater part of the year, they may be expected to work satisfactorily at rates as high as twice those given in Table 14, provided that the ,sand, has an effective size no smaller than 0.4 mm. Dosing tanks should …

PR-1047 Well Integrity Maintenance Procedure
PR-1047 Well Integrity Maintenance Procedure

Shut in production at the choke, close the HIPPS valve (if fitted), shut in FWV, UMV and LMV to isolate the wellhead from the reservoir and the flow line pressure. Use a hand ,pump, and ,control, line fluid to ensure that all ‘pressure reading’ lines, i.e. those in contact with well fluid, are free from obstruction.

(PDF) Desalination Engineering Planning and Design.pdf ...
(PDF) Desalination Engineering Planning and Design.pdf ...

Detailed guide for planning and design of reverse osmosis desalination projects. Includes cost information and design examples.

Pump FAQs
Pump FAQs

This can be accomplished by appropriately increasing the diameter of the suction piping and connections or by adding additional accessories to increase the flow of liquid to the inlet of the ,pump,; ,Long, lengths of pipe, elbows, tees, strainers, valves and other accessories installed in the suction piping can decrease the net positive inlet pressure available (NPIPA) to an unacceptable level

(PDF) Creation of an artificial frozen barrier using ...
(PDF) Creation of an artificial frozen barrier using ...

(b) ,control, and the 0.5 m locations for the star t date, 30 days (+), and 60 days (×) after the activati on of the freezing syst em. 111 A.M. Wagner / Cold R egions Science an d Technology 96 ...

Pump FAQs
Pump FAQs

This can be accomplished by appropriately increasing the diameter of the suction piping and connections or by adding additional accessories to increase the flow of liquid to the inlet of the ,pump,; ,Long, lengths of pipe, elbows, tees, strainers, valves and other accessories installed in the suction piping can decrease the net positive inlet pressure available (NPIPA) to an unacceptable level

Chapter 10 Well Dynamic Behaviour - ScienceDirect
Chapter 10 Well Dynamic Behaviour - ScienceDirect

1/1/2008, · In a cased hole, ,sand control, completion, the annulus and the perforations are always packed with gravel. Cased hole gravel packs can therefore be selective, but often suffer from poor productivity. In order to increase productivity, the gravel may be pumped at high pressure and the reservoir fractured – the so-called frac and pack or frac-pack.

(PDF) Creation of an artificial frozen barrier using ...
(PDF) Creation of an artificial frozen barrier using ...

The ,barrier, is completed once the increasing diameters of the frozen soil columns merge together, which is referred to as “freezing to closure”.

Lesson 7: Filtration
Lesson 7: Filtration

A filter 28 ft ,long, by 18 ft wide treats a flow of 3.5 MGD. What is the filtration rate in gpm/ft 2? First convert the flow from MGD to gpm: We also need to determine the surface area: Area = Length, ft x Width, ft Area = 28 ft x 18 ft Area = 504 ft 2 . Now ,plug, these numbers into the equation: Now, let's get a little more difficult. Example 2:

Lesson 7: Filtration
Lesson 7: Filtration

A filter 28 ft ,long, by 18 ft wide treats a flow of 3.5 MGD. What is the filtration rate in gpm/ft 2? First convert the flow from MGD to gpm: We also need to determine the surface area: Area = Length, ft x Width, ft Area = 28 ft x 18 ft Area = 504 ft 2 . Now ,plug, these numbers into the equation: Now, let's get a little more difficult. Example 2:

Well test-procedures-manual
Well test-procedures-manual

Clean initially using buckets and shovels. • Wash the first mud pit with 50bbls seawater pill containing descaler and oil mud removers. • ,Pump, pill into second pit and make up second 50bbls pill containing lower concentration descaler/oil mud remover. • ,Pump, second pill into first pit and first pill into third pit.

Manual of Septic-Tank Practice
Manual of Septic-Tank Practice

The same depth ,of sand, is used, and the required filter area is the same as given in Table 14, with one exception: Where filters are constructed solely for seasonal use and have ,long, rest periods over the greater part of the year, they may be expected to work satisfactorily at rates as high as twice those given in Table 14, provided that the ,sand, has an effective size no smaller than 0.4 mm. Dosing tanks should …

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Road West, North Branch, Jingkai Road, Puyang City