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Research on the level of stable production in the development of coalbed methane well
Research the level of stable production the development of coalbed methane well
2010/12/8
In the process of the development of coalbed methane, with the decline of the coalbed pressure, the effective pressure is increasing, so the porosity and permeability will decrease with the increase o...
Research and Development towards Utilization of DME Powered Diesel Engines
Diesel engine Alternative fuel Performance Standard
2009/8/4
Evaluation of lubricity used newly developed equipment to evaluate the effects of lubricity improvers. Checking the correlation between the durability of the injection pump and lubricity on fuel, and ...
Research on Recognition Algorithm of Offshore Oil Pipeline Defect Inspection Based on Magnetic Flux Leakage Method
Magnetic flux leakage Pipeline inspection WBF neural network Multiresolution
2009/7/24
Pipeline safety evaluation is an important issue in the industry. Based on magnetic flux leakage (MFL) method, this paper presents an automated inspection device to inspect pipeline defects, analyzes...
Research on the Method of Strength Evaluation of Drill Pipe for Deep Drilling
Method of Strength Evaluation Drill Pipe Deep Drilling
2009/4/1
During drilling operation various forces are exerted on a drill pipe such as a tension due to the weight of the drill string and vessel heave, as well as a bending stress due to vessel movement and oc...