A well repairing curve is different from well repairing situation in each oilfield,we can optimize the 650 workover rig by well repairing curve in different oilfield,and this paper introduces the confirming means of the well repairing curve and its application in workover rig parts design.

Joint application of wavelet transform and Walsh transform for automatic segmentation of well logs;

Applications of well logs to the division of stratigraphic base-level cycles;

A study on the method for the division of sequence stratigraphy automatically using well logs;

Intersection recognition of well logging curve based on discrete hopfield neural network;

Making the synthesis contrast of the well logging curve to the coal field or the exploration area by using rock coal seam geophysics characteristics and well logging curve natural horizon markers are often used in the coal field geologic report which have an important guiding meaning for the future of coal mine production.

By using well logging curves,this paper analyses the relationship among strata information and all genetic signs as well as hydrodynamic factors in relevant sedimentary environment,studying well-logging facies,sedimentary microfacies,and the distribution and development of their reservoir sandbody.

Design and application of the software for logging curve correlation processing.;

Computing & processing of dip logging curves;

Huge Logging Curve’s Displaying and Saving Were Achieved with Double Buffering Technology;

Processing method of first kind of operator for enhancing log resolving power;

Effects of center Frequency Migration of Bandpass filter on Dual Laterolog Logs;

Describing low permeability sandstone reservior with log correction.;

MIT logging tool is able to get 40 ultra-sensitive CAL curves,and detect the locations of casing damages with an inclinometer of mercurial sensor.