On the basis of researches in laboratory,the commercial test of the compounded absorbent -MEA + TEG is made with 100 # natural gas dehydrating plant of Daqing Natural Gas Company to examine the feasibility of simultaneously removing H2S and H2O with the compounded absorbent in the conditions of unchanging the fomer plant flowsheet, operation process and equipment.
Da Qing Natural Gas Company imported D10R9B Centrifugal compressor from American DRSSER-RAND Company is introduced. Problems of exceeding vibration limit of shaft are analyzed,judged and treated by using vibration detection and trouble diagnosis technology,and good effect is obtained.
The measures are applied to ammonia pumps in Daqing Natural Gas Company, satisfied results are obtained in sealing performance and service life, better work environment is acquired, and commercial benefit is notable.
This paper briefly introduces the design rules and DBMS platform of the transportation and vendition management system of China Natural Gas & Petroleum Group Company Detergent Chemical Complex of Fushun Petrochemical Company. The overall structure and the technological difficulty of the system are discussed.
American's Northwest Natural Gas uses GIS in its work and makes most works automatic, including computer-aided leakage detection , pipeline network model analysis, emergency accident correspond and system planning.
Due to severe pipe network vibration of 3 sets 4RDS type reciprocating compressor in low temperature separation procedure of Daqing Oilfield Natural Gas Corporation,resulting in frequently equipment vibration,vibration measurements and vibration analysis are made for the compressors and pipe network,and vibration causes are searched out,vibration reducing treatment methods are applied,vibration problems of compressors and pipe network are solved,safe and steady operation states are obtained and economic benefit is notable.
A cylinder lot of 30 gas mixtures containing 100?nmol mol-1 propane in air was prepared in 6-L aluminium gas cylinders by a specialty gas company and delivered to the Gas Metrology Group at NIST.
Methods: This study was based on the GAZEL cohort composed of workers aged 40-50?years for men and 35-50?years for women employed by the French national electric and gas company Electricité De France-Gaz De France (EDF-GDF) in 1989.
The model takes into account the limits on price imposed by law on small consumers as well as the gas company policies in order to explore the commercial consequences of different policies.
Design: A large sample of volunteers working in the French National Electricity and Gas Company (GAZEL).
Finally, results from application of the approach to data from gas company are presented.
During an inspection on two Poland-made 3300m~3 spherical tanks which had been put into operation for one year in Chongqing Natural Gas Corp., a number of cracks are discovered.However, the amount and size of the sub-surface cracks are much more and bigger than that in tank manufacturing. This paper discribes the inspection in service, analyzes the causes for cracking, also analyzes the safety of the spherical tank in service.
The Shanghai Marine Geological Investigation Bureau incor porates with Shennong Company Ltd. and other partners to form a "ShanghaiNatural Gas Corporation." This article discusses the method of assessing thevalue of prospecting data and investigation reports on the Pinghu Oil-GasField in the East China Sea,which are used as non-visible capital investedby the Bureau. The author proposes to adopt the actual cost method.