DZ∕T 0410-2022 地质钻探护壁堵漏技术规程.pdf

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中华人民共和国地质矿产行业标准

DZ/T0410-2022

地质钻探护壁堵漏技术规程

Codeofpricticeforwallprotectingandleakagepluggingingeologicaldrilling

2022-08-24发布2022-12-01实施

中华人民共和国自然资源部发布

DZ/T0410一2022

目；欠

前言……………………………四

1范围…··

2规范性引用文件…·

3术语和定义…··

4基本要求…....…….......2

5不稳定地层和漏失地层分类…................……...3

6漏失特征判别........…·

6.1漏失位置判别方法.....................….…..............4

6.2漏层压力计算方法………

6.3漏失程度分级························································……········································4

7冲洗液妒哇…...........…..........5

7.1松散破碎地层冲洗液护壁........…............……5

7.2水敏性地层冲洗液护璧……………...............….6

7.3溶蚀性地层冲洗液护壁...............…·….........................…….7

7.4肖压力地层冲洗液防涌与防l愤.……·….................8

7.5高地庇力或蠕变地层冲洗液护壁…...............

8惰性材料蜻漏………................................…….10

8.1随钻循环堵漏………………………10

8.2停钻加压堵漏·

9化学浆液蝠’涮.......................….....….........….…….12

9.1复合凝胶堵漏…….....….12

9.2水泥一凝胶浆液堵漏…..….........…............…14

9.3水泥一水玻璃浆液堵漏….………….15

10水泥浆液护璧堵漏……

10.1适用条件…..………..…………16

10.2材料及配制........…....….16

10.3水泥浆液灌注.................