Research Article
Stable Dispersed MoS2 Nanosheets in Liquid Lubricant with Enhanced Rate of Penetration for Directional Well
Table 3
The impact of drilling fluid with JS-LUB.
| | Proportion of JS-LUB (%) | Well depth (m) | Borehole curvature (°) | FV
(s) | PV
(mPas) | YP
(Pa) | YP/PV |
(mL) | Density (g/cm3) | ROP of single drill pipe
(m/h) | Increasing rate of ROP (%) | Adding JS-LUB |
| | 0.3 | 1580 | 29.60 | 50 | 20 | 6 | 0.3 | 5.0 | 1.15 | 4.8 | 0 | Before | | 1607 | 30.19 | 48 | 20 | 5 | 0.25 | 4.8 | 1.15 | 4.61 | After | | 0.4 | 1607 | 30.19 | 48 | 20 | 5 | 0.25 | 4.8 | 1.15 | 4.61 | 420 | Before | | 1630 | 32.00 | 47 | 19 | 6 | 0.32 | 4.8 | 1.15 | 24 | After | | 0.4 | 1840 | 36.00 | 48 | 20 | 6 | 0.3 | 4.8 | 1.15 | 4.67 | 84 | Before | | 1848 | 36.00 | 47 | 19 | 7.5 | 0.39 | 4.6 | 1.15 | 8.57 | After | | 0.4 | 2080 | 36.78 | 48 | 20 | 6 | 0.3 | 4.6 | 1.15 | — | — | Before | | 2100 | 36.78 | 48 | 20 | 7 | 0.35 | 4.6 | 1.15 | — | After |
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Note: the proportion of JS-LUB was JS-LUB in total drilling fluid.
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