Signal processing for metal magnetic memory testing of borehole casing based on wavelet transform

基于小波變換的套管金屬磁記憶檢測信號處理

The system collects the magnetic memory signals liberated from the stress concentration zone of the in-use borehole casing pipe, judges fast and correctly the state of the zone.

該檢測系統(tǒng)可根據(jù)在役套管的應(yīng)力集中區(qū)所產(chǎn)生的磁記憶信號快速、準確地判斷套管的應(yīng)力集中區(qū)狀況。

Early diagnosis for the stress concentration zone of borehole casing pipe by metal magnetic memory and wavelet transform

磁記憶與小波變換相結(jié)合的井下套管應(yīng)力集中早期診斷方法

Application of Oil Industry Special Purposed Floating Hoop and Shoe on Coalmine Service Borehole Casing Lowering and Consolidation

石油專用浮箍浮鞋在煤礦服務(wù)鉆孔下管和固井中的應(yīng)用

Forecast the malfunction of borehole casing by magnetism memory technology

用磁記憶檢測技術(shù)預(yù)測井下套管故障

Surface borehole diameter and casing diameter as well as characteristics of filling materials can be achieved by calculating the horizontal movement and vertical stain at different depths.

通過計算地表鉆孔在不同深度的水平位移和垂直變形可確定鉆孔直徑和所需安設(shè)套管的直徑及套管外充填材料的性能。

The magnetic memory technique was used to develop a detection system for the borehole casing pipe.

利用鐵磁材料的磁記憶性,研制出了井下在役套管檢測系統(tǒng).

On the basis of the principle of casing actual strength more than salt bed creep collapse load in non-uniform load, the safety in borehole casing ability be ensured.

按照非均布載荷下套管實際強度大于鹽巖層蠕變外擠載荷的原則，確保井內(nèi)套管安全。

Research on Metal Magnetic Memory Forecasts the Malfunction of Borehole Casing Based on Wavelet Singularity Detection

金屬磁記憶預(yù)測套管故障的小波奇異性檢測研究

Study on systems of forecast the malfunction of borehole casing by metal magnetic memory technique

金屬磁記憶預(yù)測井下套管故障系統(tǒng)的研究