油层套管

经在内蒙古巴地4井测试（油层套管177.8min×255.09m；射孔井段146.0～158.0m），证明其可行性。

An actual test in Badi 4 well of Inner Mongolia ( production casing : 177 . 8mm × 255 . 09m , perforations : 146 . 0 ~ 158 . 0m ) proves applicability of the system .

BFS固井液在吉林油田油层套管固井中的应用

Application of BFS slurry in production casing cementing in Jilin Oilfield

通常规定，油层套管射孔后裂孔率不得超过30%，孔裂长度最长不得超过90mm。

Normally , the maximum crack length after perforation of casing pipe must not exceed 90mm ;

目前侧钻小井眼井油层套管内径小（76mm），相应的修井工艺技术及井下工具极其贫乏。

At present , the inside diameter of casing for side-tracked slim hole is small (Φ 76mm ), but it lacks the appropriate workover technique and the matched downhole tools .

介绍了一种新型油井水泥缓凝剂QR-300C的应用性能和在吐哈地区3口深探井油层套管固井中的应用情况。

The paper introduces the field performance of a new kind of oil well cement retarder QR-300C , and its application in production string cementing on three deep exploratory wells at Tuha oil field .

油层套管射孔性能的材料判据研究

Meterial criterion research of perforation property of oil layer casing pipes

油层套管射孔开裂的断裂力学模型

A Fracture Mechanics Model for Perforation Cracking of Oil Layer Casing

关于井口及油层套管泄漏问题的探讨

On the Leakage of Casing in the Oil Absorption Layer of Well

油层套管射孔裂纹分析

Analysis of perforation cracks on casing pipes of oil layer

油层套管射孔开裂的安全韧性判据

The Toughness Safety Criterion of Production Casing in Perforating

在油气井中，油层套管内压力变化是最普遍、最常见的一种现象。

It is a most popular and common occurrence that pressure changes in production casing .

射孔性能是油层套管很重要的一项指标，它代表着油层套管抵抗裂纹脆性扩展的能力。

The perforation performance is an important index of oil - layer casing representing the resistance to initial brittle crack growth .

近年来，我国使用的进口和国产油层套管中，射孔性能的差异很大。

There is a large difference in the perforation performances between imported casing pipes of oil layer and that produced in China recent years .

QK34井首次应用结果表明，该套管刷能改善井眼清洁条件，进一步提高油层套管固井质量。

The application of the brushers in the cementing of QK 34 well has enhanced the borehole cleaning condition and therefore improved the cementing quality .

在热力采油井中，注入蒸汽加热油层套管，油层套管受热产生压应力，当压应力达到套管钢材的屈服极限后，套管开始变形。

In thermal recovery wells , casing is heated by the injection steam and thermal stresses are produced in the casing . Casing deforms when the thermal stresses exceed the yield point of the steel .

本文介绍了应用蜂窝密封装置，成功地解决了某化工厂离心压缩机油气泄漏问题的技术改造.高压油气泄漏会使油层套管乃至整个井筒的安全性受到威胁。

This paper presents its applications in centrifugal compressors to overcome oil gas leakage . and the safety of the production casing , even the whole wellbore , will be menaced by the leakage of high pressure hydrocarbon .

试验结果表明，上述各个钢级的油层套管的射孔性能完全符合中国石油天然气集团公司的内部标准的规定，相当或优于国内外某些著名套管厂油层套管的射孔性能水平。

It shows that the perforation of the casing completely complies with the standard of CNPC , and is equal or superior to the perforation performance of the casing which is produced by some famous factories in the World .