Completion technique and treatment of drilled solids

Details Completion technique and treatment of drilled solids Completion technique and treatment of drilled solids

E - Fixed Constructions

21

B

E21B 21/01 (2006.01) E21B 43/40 (2006.01)

Patent

CA 2708191

An onshore oil or gas well is completed with a coiled tubing unit. A completion liquid is circulated through coiled tubing and thereby removing solids from the well. The completion liquid and drilled solids pass into a tank where the solids are removed and the cleansed completion liquid is redelivered into the well. In some embodiments, drilled solids from the completion liquid are dewatered to a suitable extent in the tank and dumped into a bin where they are mixed with cotton motes to sorb any free liquid. In some embodiments, drilled solids from drilling an onshore subterranean well are mixed with cotton motes to sorb free liquid. The mixture of cotton motes and drilled solids are disposed of in a manner consistent with appropriate regulations, as by delivery to a commercial landfill, which may be either privately or municipally owned.

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