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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

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rsdgj@pyzyrsd.com

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Road West, North Branch, Jingkai Road, Puyang City

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Matrix acidizing in sandstone formations - Mobil Oil ...
Matrix acidizing in sandstone formations - Mobil Oil ...

This invention is directed to methods for acidizing ,oil, producing intervals of subterranean formations, and ,more, particularly ,sandstone, formations where a gel and an acid are utilized. BACKGROUND OF THE INVENTION. For many years acid has been used to effectively remove wellbore damage in ,wells, completed in ,sandstone, formations.

Electropaedia History of Science Technology and ...
Electropaedia History of Science Technology and ...

Heroes and Villains - A little light reading. Here you will find a brief history of technology. Initially inspired by the development of batteries, it covers technology in general and includes some interesting little known, or long forgotten, facts as well as a few myths about the development of technology, the science behind it, the context in which it occurred and the deeds of the many ...

𝐵𝑢𝑛𝑛𝑦 𝐿𝑦𝑛𝑛 𝐹𝑢𝑟𝑟 on Instagram: “I know this is a bad ...
𝐵𝑢𝑛𝑛𝑦 𝐿𝑦𝑛𝑛 𝐹𝑢𝑟𝑟 on Instagram: “I know this is a bad ...

In 2012, I decided I wanted to do something ,more, with my life. So I started school. It wasn’t “going back”, because I never started right out of high school like most did. Instead, I waited many many years.. to start. And you know what, that’s okay! As it shows and I said, I started in 2012.

DOE SBIR/STTR FY 2021 PHASE I RELEASE 2 | SBIR.gov
DOE SBIR/STTR FY 2021 PHASE I RELEASE 2 | SBIR.gov

For example, features of interest can be identified by rapid scanning using one or ,more, imaging techniques (e.g. optical, SEM, SIMS, etc.); regions are relocated on a separation analytical platform for further analysis at short length scales; disparate information streams (e.g., chemical, elemental, isotopic, morphologic) are correlated to align or overlay features at high spatial resolution ...

5 Options for the Future: Balancing Water Demand and Water ...
5 Options for the Future: Balancing Water Demand and Water ...

The Disi Aquifer in southern Jordan and the Nubian ,Sandstone, Aquifer in southern Israel are the principal geologic units containing fossil ,water, in the study area. These thick ,sandstone, sequences were filled with freshwater during the geologic past, when climatic and geologic conditions were ,more, favorable for …

Water Supply Wells: Requirements and Best Practices: 5 ...
Water Supply Wells: Requirements and Best Practices: 5 ...

Rig: Table or top drive mud ,pump,; Can drill in overburden and bedrock; Penetration rates high; Minimal casing required to keep hole open during operation; Quick set up with rig; Well screens can be set easily as part of casing string; Filter pack and ,suitable, sealant can be readily placed in the hole

Chapter 82 - Metal Processing and Metal Working Industry
Chapter 82 - Metal Processing and Metal Working Industry

Parting agents are ,more, widespread where hand moulding is employed; in the larger, ,more, automatic processes they are rarely seen. Chemicals are sometimes sprayed onto the mould surface, suspended or dissolved in isopropyl alcohol, which is then burned off to leave the compound, usually a type of graphite, coating the mould in order to achieve a casting with a finer surface finish.

Use of acid at oil and gas exploration and production sites
Use of acid at oil and gas exploration and production sites

acidisation does treat the geological formation, with the aim of stimulating flow in the ,oil, and/ or gas reservoir. Fracture acidisation involves pumping dilute acid into the ,oil, and / or gas reservoir from the well. To enable fracture acidisation the acid is pumped in to the well at pressures above the geological formation fracturing pressure.

1990 July 16 Ms7.8 Luzon Earthquake
1990 July 16 Ms7.8 Luzon Earthquake

More, than 6,000 people died when a tsunami caused by a 7.9 magnitude earthquake in the Moro Gulf hit them in 1976. Then we had the July 16, 1990 earthquake whose devastation is so far unequaled in deaths, property damage and psychological shock.

(PDF) Mining Methods: Part I-Surface mining
(PDF) Mining Methods: Part I-Surface mining

The typical large open pit ,mining, operation that has been in production for 10 years and ,more, is . ... to extr act the ,oil,-impregnated ... the orebody from a series of injection ,wells,, ...

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Road West, North Branch, Jingkai Road, Puyang City