Research Article
Study and Application of Polymer Film-Forming Shielding Plugging Drilling Fluid System
Table 2
Compatible evaluation indoor experiment of various adding amounts.
| | Formula |
(g/cm3) | AV
(s) | PV
(mPa·s) | | Gel10′′/Gel1′
(Pa) | FL
(mL) | Mud
cake
(mm) |
| | Emulsion slurry system | 1.49 | 36 | 25.5 | 0.36 | 1/2.5 | 4.4 | 1.0 | | Slurry + 1% MFDJ | 1.49 | 37 | 26.5 | 0.4 | 1/3 | 4.2 | 1.0 | | Slurry + 2% MFDJ | 1.49 | 40 | 29 | 0.45 | 1.5/3.5 | 3.6 | 1.0 | | Slurry + 3% MFDJ | 1.50 | 44 | 32.5 | 0.51 | 2/4 | 3 | 1.0 | | Slurry + 4% MFDJ | 1.51 | 53 | 38 | 0.58 | 2.5/5 | 2.6 | 1.2 |
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