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At present, the Chemical Industry Park is making every effort to promote the Dow Epoxy Resin and Propylene Oxide Project, not only to increase production value through investment promotion, but also to enrich the existing chlorination industrial chain with chlorine as the core in the chemical industry. "The more projects in the industry chain, the greater the degree of correlation, and the closer the upstream and downstream operations are carried out, the more the industrial symbiosis combination of resource sharing and by-product exchange can be realized, and the less resources will be consumed in production." The more cyclical the D is, the more economical it is,†the person in charge of the chemical industry district told reporters.
Because of this, since the selection of enterprises and projects in the region this year, the chemical industry zone has become more cautious, with high energy consumption, no connection with the industry chain, and a large investment scale, saying “noâ€. During the feasibility study and preliminary design stage of project introduction, the park organizes technical evaluations for experts in the areas of chemical engineering, environmental protection, energy conservation, and circular economy. The Mitsubishi Gas Polycarbonate Project, which is being actively promoted this year, and the Colombian carbon black project that has been demonstrably examined are all conducive to enriching and extending the product chain of the Chemical Industry Zone, improving the utilization of raw and auxiliary materials, and reducing the total amount of pollution emissions. Therefore, the number of industrial projects is on the rise, and the annual use of energy does not rise.
The chemical industry area is also willing to invest in supporting public projects, and a large number of circular economy demonstration projects have started. The demonstration project of constructed ecological wetland ecological experiments has been completed and entered the experimental stage of purification and reuse. The next step will be to further improve the management and operation mechanism of wetlands. The Chemical Zone Development Corporation is working with BP, an investor in the region, to develop wind energy and solar energy. Use of the project's research; this year will also carry out energy-saving transformation of the road district lighting system in the chemical industry.
In the eco-industrial network weaving in a circular economy in the chemical industry zone, all companies that have settled in the area have also acted. This year, Chemical Industry Park won the title of “Shanghai Water-saving Industrial Parkâ€. In addition to the industrial water reuse system and clean rain water collection system in the park, it has benefited greatly from the 7 “Shanghai Municipality†in the area. Water-saving enterprises, their total water intake accounts for 90% of the entire park. According to the latest statistics, the current industrial water recycling rate in the chemical industry area is 97%, the comprehensive utilization rate of industrial solid waste is 89.19%, which is higher than the international average level of 80%; the annual sulfur dioxide emission amount is 478.39 tons, and the annual chemical oxygen demand discharge amount is 420 Tons, far below the level of park control determined by Shanghai.
Casing is a large-diameter pipe that serves as the structural retainer for the walls of oil and gas wells or wellbore.
It is inserted into a well bore and cemented in place to protect both subsurface formations and the wellbore from collapsing and to allow
drilling fluid to circulate and extraction to take place
The oil casing is a steel pipe used to support the well wall of oil and gas wells to ensure the normal operation of the whole well during drilling and after well completion. Several layers of casing shall be used for each well according to different drilling depth and geological conditions. Cement shall be used for cementing after casing is put into the well. It is different from TUBING and drill pipe and cannot be reused. It is a disposable consumable material. Therefore, casing consumption accounts for more than 70% of all oil well pipes.
Casing is a large-diameter pipe that serves as the structural retainer for the walls of oil and gas wells, or wellbore. It is inserted into a well bore and cemented in place to protect both subsurface formations and the wellbore from collapsing and to allow drilling fluid to circulate and extraction to take place.
Surface casing
- Protects the well from contamination in shallow water and gas layers.
- Supports the wellhead equipment and sustains the weight of the other layers of casing.
Intermediate casing
- Isolates different layers of pressure to facilitate normal circulation of drilling fluid and protect the production casing.
- Intermediate casing facilitates the installation of blow-out preventers, anti-leakage devices and tailpipes in the well.
Production casing (oil string)
- It is the conduit through which oil and gas pass from a below surface reservoir.
- It protects the well and separates fluids into various layers.
First, green pipes are threaded on each end. The threading is then inspected and, if necessary, rethreaded to ensure that the thread accurately connects to the coupling. The threading type includes STC/BTC/LTC. The casing pipes are strengthened by surface treatment and are subject to various inspections, including drifting and hydrostatic tests before they are coated and packaged into casing.
Casing pipes are ordinarily produced with outside diameter sizes of 114.3 mm to 508.0 mm.
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ESASTSUN OILFIELD EQUIPMENT MANUFACTURING (CAMBODIA) CO., LTD , https://www.eastsuncambodia.com