The identification of true and false cuttings is the first step and the most
The key step. In daily work . We usually adjust those colors
Paste, large form, local micro-bending into sharp edges, individual judgment
Broken into false cuttings, and the color is fresh, the individual's small angle is judged as
Real cuttings. PDC drills generally require low drilling pressure, high speed, and large
Displacement. Plus its unique structure, the fractured formation cuttings are
Very fine powder, this is the traditional method of logging logging –
It is difficult to judge the true and false cuttings by naked eye observation. For example: 濮 deep
When the 6 wells encountered the Dongying Formation, the purple-red mudstones were pure. Sex
Soft, plus the soaking of the drilling fluid, dried to form a large agglomerate of beans. Has
Can not reflect the true form. The light brown sandstone of the Dongying Formation is
There is a granular sand-like shape, and it is impossible to distinguish between true and false.
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