Slurry in use for directional drilling into drifting sand layer in horizontal
A horizontal orientation and quicksand technology, applied in the direction of drilling equipment, etc., can solve problems such as poor suspension capacity, sandy quicksand, high water content, thick mud cake, etc.
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Embodiment 1
[0021] Embodiment 1, each component and the content of the mud of this horizontal directional drilling into quicksand layer are as follows: bentonite 85Kg / m 3 , Potassium humate 2.4Kg / m3 , polyacrylamide 2.1Kg / m 3 , Hydrolyzed polyacrylonitrile 2.7Kg / m 3 , Sulfonated phenolic resin 3.2Kg / m 3 , white oil lubricant 2.8Kg / m 3 , and the balance is water. The mud prepared by this scheme was tested during the crossing project of the "West-to-East Gas Pipeline" pipeline, and there were no hole collapses and drill sticking phenomena, ensuring smooth drilling.
Embodiment 2
[0022] Embodiment 2, each component and the content of the mud of this horizontal directional drilling into quicksand layer are as follows: bentonite 80Kg / m 3 , Potassium humate 2.5Kg / m 3 , polyacrylamide 1.8Kg / m 3 , Hydrolyzed polyacrylonitrile 2.81Kg / m 3 , Sulfonated phenolic resin 3.0Kg / m 3 , white oil lubricant 3.0Kg / m 3 , and the balance is water. The mud prepared by this scheme was tested during the crossing project of the "West-to-East Gas Pipeline" pipeline, and there were no hole collapses and drill sticking phenomena, ensuring smooth drilling.
Embodiment 3
[0023] Embodiment 3, each component and the content of the mud of this horizontal directional drilling into quicksand layer are as follows: bentonite 90Kg / m 3 , Potassium humate 3.0Kg / m 3 , polyacrylamide 2.0Kg / m 3 , Hydrolyzed polyacrylonitrile 3.1Kg / m 3 , Sulfonated phenolic resin 2.7Kg / m 3 , white oil lubricant 3.2Kg / m 3 , and the balance is water. The mud prepared by this scheme was tested during the crossing project of the "West-to-East Gas Pipeline" pipeline, and there were no hole collapses and drill sticking phenomena, ensuring smooth drilling.
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