Experimental investigation of deformable additives as loss circulation control agent during drilling and well construction
Rasoul Nazemi, Ghasem Zargar, Vahid Nooripoor · 2024
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Description
Rasoul Nazemi, Ghasem Zargar, and Vahid Nooripoor tested squishy additives for stopping drilling fluid loss in 2024. Lost circulation, where mud drains into rock cracks, is a top drilling headache: it wastes time and money and can stick pipes or collapse the hole. Standard sealing grains are one fix; deformable ones can squeeze into cracks of many shapes.
Rubber and synthetic fiber were tested in water-based muds. The team varied mix design, grain size spread, blends, crack width, heat, and fine grains, then ran dynamic sealing tests. Sealing depended heavily on mix design, so sizing the grains is key. Pressure limits the seals could hold are reported. Results guide how to build a blend for a given fracture width.
Catalog record
| CREATOR | Rasoul Nazemi, Ghasem Zargar, Vahid Nooripoor |
|---|---|
| YEAR | 2024 |
| COLLECTION | PAPERS |
| FORMAT | TXT |
| FILE SIZE | 42 KB |
| VERSION | 1.0 |
| LICENSE | CC BY 4.0 |
| RIGHTS | CC BY |
| SOURCE | Europe PMC |