Processing Technology of Drilling Casing Fracture Accident

DING Pei-Sheng; TAN Hong-Sen; QIN Cheng-Kun

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Safety in Coal Mines > 2012 > 43(8): 65-66,67.

DING Pei-Sheng, TAN Hong-Sen, QIN Cheng-Kun. Processing Technology of Drilling Casing Fracture Accident[J]. Safety in Coal Mines, 2012, 43(8): 65-66,67.

Citation:

DING Pei-Sheng, TAN Hong-Sen, QIN Cheng-Kun. Processing Technology of Drilling Casing Fracture Accident[J]. Safety in Coal Mines, 2012, 43(8): 65-66,67.

Citation:

DING Pei-Sheng, TAN Hong-Sen, QIN Cheng-Kun. Processing Technology of Drilling Casing Fracture Accident[J]. Safety in Coal Mines, 2012, 43(8): 65-66,67.

Processing Technology of Drilling Casing Fracture Accident

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Published Date: August 09, 2012

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Mine pressure activities will lead to driling casing fracture and yielding water around the floor of drilling field.According to the situation analysis,the processing program of extracting the fracture casing by reaming firstly and letting down the small diameter casing,then using the method of plugging fracture points by ramoff and mixed grouting by mortar is studied,which successfully control the yielding water of floor.
- drilling construction,
- casing fracture,
- reaming,
- grouting,
- plugging by ramoff

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[1]	吕小民,吕继民.济宁鹿洼煤矿侏罗系红层水的危害及防治[J].煤炭技术,2004,23(5):15-17.
[2]	隋旺华,李永涛,李贯田,等.煤矿立井微孔隙岩体注浆防渗及机理分析[J].岩土工程学报,2000,22(2):214-218.

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